Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service Source

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop PDF Service source

  • Model: IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo
  • Brand: Apple
  • Type: Service source
  • Category: Adapter, Desktop
  • File Size: (9.55 Mb)
  • No. of pages: 377
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1 Page 1 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Service Source K iMac (...)

2 Page 2 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Service Source K Hot Issues iMac (...)

3 Page 3 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Hot Issues Introduction - 1 Introduction This chapter is designed to highlight unique or high- priority product issues that you should be aware of before servicing the iMac computer. This chapter alerts you to important issues and provides pointers to other areas in the manual where more complete information can be found. This chapter is not intended to replace other parts of this manual; it merely provides a pointer to pe (...)

4 Page 4 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Hot Issues Mixed Memory Types - 2 Mixed Memory Types The iMac computer uses SDRAM SO-DIMMs only; EDO memory will not work in the iMac computer. System problems will result if EDO memory is installed. (See “SDRAM DIMMs” in the Basics chapter and refer to the iMac section of the Memory Guide.) Note: Customers are allowed to upgrade the memory in iMac computers and may inadvertently mix EDO and SDRAM memory. If inco (...)

5 Page 5 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Hot Issues Mixed Memory Types - 3 SGRAM Video Memory The iMac computers use SGRAM video memory. Use only SGRAM SO-DIMMs in these machines. Never install the 256K or 512K video memory DIMMs used in older Macintosh computers. (See “SGRAM Video Memory” in the Basics chapter.) Error Beeps If problems are detected upon startup, the iMac system will sound one or more error beeps. (See “Error Beeps” in the Troubleshoot (...)

6 Page 6 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Hot Issues HFS Plus Formatted Drives - 4 HFS Plus Formatted Drives The iMac hard drive is formatted from the factory with Mac OS Extended format, also referred to as HFS Plus. Norton Utilities version 3.5 is not compatible with HFS Plus and version 3.5.1 and earlier can result in hard drive corruption and loss of all data on the hard drive. (See “HFS Plus Formatted Drives” in the Troubleshooting chapter.) (...)

7 Page 7 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Hot Issues Forcing a Restart - 5 Forcing a Restart If holding down the Command, Control, and Power keys fails to restart the iMac computer after a system hang, you can force a restart in one of two ways: First, try inserting a straightened paper clip in the reset button hole. (Open the I/O door on the side of the iMac. The reset button hole is the top hole located between the Ethernet and modem ports and marked with a triang (...)

8 Page 8 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Hot Issues External Displays Not Supported - 6 External Displays Not Supported Connecting an external display to the iMac is not supported by Apple. The db-15 port on the iMac was not designed to support an external monitor. Apple designed iMac with a very sharp, 15-inch internal display and no video-out port to connect a second display. Refer to Tech Info Library (TIL) article #43016, “iMac: Can I Attach an External Dis (...)

9 Page 9 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Hot Issues iMac Updates - 7 iMac Updates Apple has released a number of updates for the iMac. Refer to TIL article #58174, iMac: When to Install Available Updaters. This TIL article will clarify when to use the available updates depending upon which version of iMac you have. Additional iMac Update articles: • TIL article # 26115, CD Firmware Update 1.0 The CD Firmware Update reduces the amount of vibration caused by certa (...)

10 Page 10 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Hot Issues iMac Updates - 8 and those previously released in iMac Update 1.0. This update improves the ability of iMac to identify USB devices when starting up, improves the startup time when many USB devices are connected, and enables new USB solutions. You do not have to install iMac Update 1.0 before you install iMac Update 1.1. • TIL article # 58370, iMac: How to Ensure Firmware Update is Successful If you performed th (...)

11 Page 11 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Hot Issues CD-ROM Door Not Latching Closed - 9 CD-ROM Door Not Latching Closed After manually ejecting CDs from the iMac CD-ROM tray (of both /A and /B models), the eject mechanism sometimes does not reset into a position that allows the tray door to close properly. Instead of replacing the CD-ROM assembly, the eject mechanism can be manually reset with a paperclip to correct the problem. Refer to “Resetting CD-ROM Eject (...)

12 Page 12 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Hot Issues Revision vs. Version Part Numbers - 10 Revision vs. Version Part Numbers Moving forward, the Service Parts database will identify service parts (upgrades, changes, or variations) with the word Rev. (Revision) or Ver. (Version) appended to the part name. For example: 661-2193 Card, Processor, 333 MHz, Rev. 3 661-2113 Board, Logic, iMac, Ver. 2 • Revision (Rev.)= A change or upgrade to the part. The new Rev. is b (...)

13 Page 13 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Hot Issues Version 2 Service Parts - 11 Version 2 Service Parts Listed below are the Ver. 2 iMac service parts. Exchange or replace the Ver. 2 parts like-for-like, they are not backward compatible. Identify the part correctly before replacing a module or replacement part. Refer to the Service Parts database for additional information. • 661-2166 Analog/Video Board, Ver. 2 • 661-2167 Power Supply Board, Ver. 2 • 922-3835 (...)

14 Page 14 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Hot Issues New CD-ROM Drive Released (7/99) - 12 New CD-ROM Drive Released (7/99) Apple recently released a new 24x CD-ROM drive service part for five-color iMacs with 266MHz processors or faster only. Please note that this new 24x CD-ROM, called the Version 2, is not compatible with the 24x CD-ROM drive in the 233MHz Bondi Blue iMacs. Although the two iMac CD-ROM drives are identical in fit and performance, the drives are (...)

15 Page 15 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Hot Issues New CD-ROM Drive Released (7/99) - 13 Ordering Parts • If you are replacing a 24x CD-ROM drive in a Bondi Blue iMac (233MHz), order the 661-2076 CD-ROM drive. • If you are replacing a 24x CD-ROM drive in a five-color iMac (266MHz or greater), order 661-2207, CD-ROM drive, 24X, Ver. 2. Refer to the Service Parts database for additional information. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Service Source K Basics iMac (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics - 1 Overview (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Product Description - 2 Product Description The iMac is an all-in-one product with a unique industrial design that is targeted specifically for the consumer and education market. To view a QuickTime movie of the iMac click here. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Standard Configurations - 3 Standard Configurations • PowerPC G3 microprocessor running at 233, 266 or 333 MHz • System bus speed at 66 MHz • Backside cache of 512K • 32 MB SDRAM SO-DIMM standard, expandable to 256 MB total using 144-pin, 100 MHz or faster SO-DIMM modules • 6 MB SGRAM standard • Built-in 15” CRT (13.8” viewable area) • 4 GB (on 233 MHz) or 6 GB hard drive (on the 266 MHz and 333 MH (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics Standard Configurations - 4 • One 10/100 BaseT Ethernet RJ-45 connector for connection to 10 mb/s or 100 mb/s networks • Two internal ATA connectors: one supports the hard disk drive and one supports the CD-ROM drive • Two 3.5 millimeter (mm) headphone jacks • One 3.5 mm sound output port for stereo sound output • One 3.5 mm sound input port for stereo sound input. The sound input port supports the Apple Plai (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Model Comparison - 5 Model Comparison 233 MHz and 266 MHz iMac Models The following information describes the main features of the 233 MHz and 266 MHz iMac models. Note: Apple regularly makes modest design improvements to products during their life cycles. These changes may include minor changes to the logic board or additions in the bundled software. Bondi Blue (w/IrDA) M6709LL/A • OS Software: Mac OS 8.1 • (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Model Comparison - 6 Bondi Blue (no IrDA) M6709LL/B • OS Software: Mac OS 8.5 • ProcessorSpeed: 233 MHz • Reset Procedure: Front Power Button • Standard SGRAM: 2 MB SGRAM Built-in + 4 MB SGRAM DIMM • Hard Drive: 4 GB • Graphic Chip: ATI Rage Pro Blueberry, (no IrDA) M7345LL/A • OS Software: Mac OS 8.5.1 • ProcessorSpeed: 266 MHz • Reset Procedure: Front Power Button • Standard SGRAM: 2 MB SGRAM B (...)

23 Page 23 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Model Comparison - 7 Strawberry, (no IrDA) M7389LL/A • OS Software: Mac OS 8.5.1 • ProcessorSpeed: 266 MHz • Reset Procedure: Front Power Button • Standard SGRAM: 2 MB SGRAM Built-in + 4 MB SGRAM DIMM • Hard Drive: 6 GB • Graphic Chip: ATI Rage Pro Turbo Grape, (no IrDA) M7390LL/A • OS Software: Mac OS 8.5.1 • ProcessorSpeed: 266 MHz • Reset Procedure: Front Power Button • Standard SGRAM: 2 MB (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics Model Comparison - 8 Tangerine, (no IrDA) M7391LL/A • OS Software: Mac OS 8.5.1 • ProcessorSpeed: 266 MHz • Reset Procedure: Front Power Button • Standard SGRAM: 2 MB SGRAM Built-in + 4 MB SGRAM DIMM • Hard Drive: 6 GB • Graphic Chip: ATI Rage Pro Turbo Lime, (no IrDA) M7392LL/A • OS Software: Mac OS 8.5.1 • ProcessorSpeed: 266 MHz • Reset Procedure: Front Power Button • Standard SGRAM: 2 MB SG (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Model Comparison - 9 333 MHz iMac Models On April 14, 1999 Apple announced the 333 MHz iMac. There were no other configuration changes to these computers other than the processor speed. • Blueberry, M7440LL/A • Strawberry, M7441LL/A • Grape, M7442LL/A • Tangerine, M7443LL/A • Lime, M7444LL/A (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics New Technologies - 10 New Technologies Infrared Communication The iMac (models M6709LL/A and M6709LL/B) come with built-in 1-megabit infrared technology for easy, wireless LAN access and file sharing with similarly equipped systems. The iMac logic board has one IrDA (Infrared Data Association) compliant connector that offers a maximum transfer speed of 4 MB/sec (AppleTalk and TCP/IP). The iMac also allows users to (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics New Technologies - 11 For information about whether iMac computers can communicate with other third-party IrDA compliant devices, contact the manufacturer of the third-party device. The iMac supports the following Apple devices on the IrDA channel: • PowerBook 2400 and 3400 • Macintosh Powerbook G3 IrDA vs. IRTalk There are two main differences between IRTalk and IrDA: 1. IrDA is an industry standard, while IRTalk (...)

28 Page 28 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics New Technologies - 12 Infrared connections that are established as well as what type of infrared the iMac is currently set to use. For infrared options to work there are three drivers that must be in the Control Panels or Extensions folder. They are: • Infrared Control Panel • IrDALib Extension • IrLanScannerPPC Extension If these icons are not present or disabled, you will not be able to make infrared connections (...)

29 Page 29 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics New Technologies - 13 USB Support Universal Serial Bus (USB) is a new device communication standard developed by the computer and telecommunication industries. USB provides a powerful, hot-swappable, “true plug-and-play” interface between a host computer and add- on peripheral devices. ( Note : “Hot-swappable” means that you can plug in, use, and unplug devices without having to shut down the host computer (...)

30 Page 30 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics New Technologies - 14 connect peripheral devices to a host computer on the fly, without having to hassle with • Shutting down/restarting the computer • Opening the computer case • Installing a card • ID conflicts • Termination issues • Loading device drivers (although some devices may require a one-time driver installation). In addition, USB provides the user with • A “tiered star hub” network topology (...)

31 Page 31 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics New Technologies - 15 second (Mbps) • Automatic adjustment of bandwidth allocation among devices. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 16 USB devices use two types of plugs, Type A and Type B: Figure 1: USB Plug Types (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 17 The Type A plug (pictured on the left) connects to the host computer or an upstream hub. The Type B plug (pictured on the right) connects downstream to the USB device. Some devices, such as mouse devices, have a Type B plug built into the device. Note: “Upstream” means moving up the device chain, in the direction of the host computer. “Downstream” means moving down the device chain (...)

34 Page 34 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics New Technologies - 18 Figure 2: Defining Upstream/Downstream Terms (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics New Technologies - 19 Benefits of USB Technology The advantages of USB technology include hot-swapping capability, auto-configuring, and ease of use. For example, with just one available USB socket, a customer could: • plug in a scanner, scan a photo, unplug the scanner • then plug in a printer, print that photo, unplug the printer • then plug in a modem, e-mail the photo to a friend, unplug the modem • then (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 20 How a USB Device is Installed and Used A USB network is made up of the following components: • An operating system that supports USB. (Both iMac and Windows 98 support USB.) • A host, typically a controller chip set residing in the personal computer, controls the USB system and allocates bandwidth per device. There is only one host per USB network, and as such USB is designed for connecting p (...)

37 Page 37 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics New Technologies - 21 FIgure 3: USB Ports Type A Ports (...)

38 Page 38 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics New Technologies - 22 Note: Type A ports (as shown in the previous illustration) are only available from hubs. If a device (like a keyboard or display) has Type A ports for additional devices to connect to, it must have an internal hub. This information is good to know when you need to identify, map out, and troubleshoot hub and device connectivity. Note: USB ports, cables, and plugs are often labeled wi (...)

39 Page 39 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 23 • Hubs, which serve as connection points for devices. Hubs also provide device detection, speed matching, and power control. Hubs connect to the host using the 12 Mbps connection speed. Hubs may be “bus-powered” by the USB, or be “self-powered” by an external power source (like an AC adapter). Only hubs can connect to the host. Hubs can also connect to other hubs, providing expansion to (...)

40 Page 40 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 24 • Devices, which connect to hubs and provide expanded functionality to the computer. Devices connect to the host using either the 1.5 or the 12 Mbps connection speed. Like hubs, devices may be “bus-powered” by the USB network, or be “self-powered” by an external power source. Devices can only connect to hubs. Devices cannot connect directly to devices, but looks can be deceiving, since (...)

41 Page 41 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 25 The following tree diagram shows an example of a USB network: (...)

42 Page 42 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics New Technologies - 26 Figure 5: USB Network Tiers Root Tier Tier One Tier Two Tier Four Can both Reside inside CPU Case Host Hub Hub Hub Hub Device Device Device Device Device Device Device Tier Three (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics New Technologies - 27 USB Connectivity Rules Following are the rules for USB connectivity: • The maximum number of devices that can be connected to a single USB hub is 127 devices. (Note: A keyboard with a built-in trackball counts as two devices.) • The maximum number of tiers allowed is six. This can be tricky to track sometimes, since hubs can be hidden in CPU cases, displays, keyboards, etc. • Bus-powered hub (...)

44 Page 44 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics New Technologies - 28 Installing and Using a USB Device on a USB-Capable Mac OS Computer Carry out the following steps to install and use a USB device on a USB-capable MacOS computer: 1. Make sure your device is Mac-OS approved. Although USB devices should all conform to the USB specification, some developers' devices do not follow spec. As a result, they need specially written drivers. Also, the current version (...)

45 Page 45 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics New Technologies - 29 the instructions that came with the device for details. 4. Plug the device in to an available hub port. The device should be sensed automatically, the driver should automatically load, and the device should then be ready for use. When you are finished using the device, you can leave it plugged in, or unplug it to free up the port. (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics New Technologies - 30 Features (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Modem - 3 1 Modem The iMac computer features a built-in 56K hardware modem. This internal modem supports both K56-Flex and V.90 communications protocols. Modem Performance Issues To be able to accomplish 56K connections, your Internet Service Provider or service you are connecting to must have digital connections to the Telephone Company, and then install special 56K digital modems which can use these connections (...)

48 Page 48 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Modem - 3 2 If you have a modem that supports this higher speed protocol, you can theoretically download data at up to 56,000 bps. With these 56K protocols, however, your upload speed is still going to occur at V.34 speeds (up to 33.6) because the digital equipment is only on your ISP's end. While the technology theoretically can achieve download speeds up to 56 kbps, current FCC rules limit the power output of m (...)

49 Page 49 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics Modem - 3 3 always connect at 33.6 speeds or less. Also, line noise will be a major factor on how fast your 56K modem connects. For 33.6 Kbps or slower modems, line noise is still a factor, but it is much less of an issue for achieving good connections. (...)

50 Page 50 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics CD-ROM Drive - 34 CD-ROM Drive The CD-ROM drive is located beneath the screen on the front of the iMac. To open the tray, press the button in the middle and carefully pull open the tray until it lightly clicks. To close the drive, push the tray until it is completely closed and locked into place. CD Adapter Board The CD adapter board screws onto the back of the CD-ROM drive. A ribbon cable attaches to the CD-ROM a (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Power Filter Board - 35 Power Filter Board The power filter board is an EMC filtering board, which is mounted on the logic board/mass storage chassis. It controls the DC power supply connection from the enclosure and sits between the power supply board and the logic board. It is highly unlikely that the power filter board will ever fail, but information about this board is included in the “No Power” section of the (...)

52 Page 52 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Audio/Video Interconnect Board - 36 Audio/Video Interconnect Board The audio/video interconnect board provides a bridge between the logic board and the audio on/off, video, and IrDA boards. The audio/video interconnect board sits between the logic board and the logic board/mass storage chassis. For example, one cable runs from the IrDA board to the audio/video interconnect board; then a separate cable runs from th (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Power Supply Board Fuse - 37 Power Supply Board Fuse There is a fuse on the AC line on the iMac power supply board. The fuse is located at F901 (near the bottom right corner of the installed power supply board as you face the back side of the board). Instructions for how to test the fuse are included in the “Testing for Power” section of the Troubleshooting chapter. (...)

54 Page 54 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Graphics Controller - 38 Graphics Controller The graphics subsystem on the iMac logic board is designed with the ATI Rage IIc graphics controller ASIC. The RAGE IIc ASI contains 2D and 3D acceleration engines, a bidirectional digital video port, a front-end scaler, a back-end scaler, CRT controller, and PCI bus master capability. The graphics subsystem features an industry standard SGRAM SO-DIMM connector in addition (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Sound - 3 9 Sound The 16-bit stereo audio circuitry provides high-quality sound input and output through the built-in microphone and speakers. The user can also connect external input and output devices by way of the sound input and output jacks. The sound system supports sample sizes up to 16 bits at a sample rate of 44.1 kHz. (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Sound Input - 40 Sound Input The sound system accepts inputs from three possible sources: • Built-in microphone • External stereo sound input jack • Sound from internal CD player (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Sound Output - 41 Sound Output The sound system sends computer-generated sounds to the built-in speakers, the sound output jack, and the headphone jacks. The sound system provides user-selectable SRS 3D stereo enhancement. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics Video Display - 42 Video Display The built-in video display uses a 15-inch CRT and supports three resolutions. The table below lists the resolutions and pixel depths supported with the standard 2 MB of SGRAM and with expanded SGRAM. Resolution: 640 x 480 • Vertical rate: 117.233 Hz • Pixel depth (2 MB SGRAM): 32 bits • Pixel depth (4 or 6 MB SGRAM): 32 bits Resolution: 800 x 600 • Vertical rate: 94.97 Hz • Pix (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Video Display - 43 Resolution: 1024 x 768 • Vertical rate: 75.03 Hz • Pixel depth (2 MB SGRAM): 16 bits • Pixel depth (4 or 6 MB SGRAM): 32 bits (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Backside Cache - 44 Backside Cache Backside cache is a significant architectural design change from earlier PowerPC processors. The main advantage of the backside cache architecture is the speed of the dedicated CPU-to-L2 cache interface. Using the dedicated bus allows the CPU to access the fast L2 cache storage through a high- speed bus without addressing the slower system bus or competing with other devices attache (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Backside Cache - 45 PowerPC G3, and a 2.5 L2 bus ratio, the backside cache bus speed will be 100MHz, twice the speed of the system bus. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Memory - 46 Memory SDRAM DIMMs The iMac computer uses SDRAM in a SO-DIMM slot that is smaller than the RAM slots for previous desktop Power Macintosh computers. There are two SDRAM SO-DIMM slots. The bottom slot contains the pre-installed 32 MB SO-DIMM. The top slot is user installable. If a customer orders extra RAM via the build-to-order (BTO) program, that RAM will be installed in the upper slot. This means tha (...)

63 Page 63 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Memory - 47 Maximum SDRAM supported • 233 MHz/A iMac: Maximum size supported is 64 MB per slot, totaling 128 MB. This can be achieved by installing a 64 MB module in the upper slot and a 64 MB module in the lower slot. • 233 MHz/B iMac: Maximum size supported is128 MB per slot, totaling 256 MB. This can be achieved by installing a 128 MB module in the upper slot and a 128 MB module in the lower slot. • 26 (...)

64 Page 64 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics Memory - 48 The lower RAM expansion slot will only accommodate SO- DIMMs that are 1.0 inch to 1.5 inches in height. A 2.0-inch DIMM will not physically fit into the slot and cannot be used. If a 128 MB DIMM existed that was smaller than 1.5 inches, it would work in the lower expansion slot. EDO SO-DIMM RAM modules are not compatible with the iMac computers. If a customer uses an EDO SO-DIMM, the unit will boot fine but (...)

65 Page 65 of Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source

Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Memory - 49 board also contains a video memory expansion slot that accepts a Small Outline DIMM (SO-DIMM) to increase video memory up to a maximum of 6 MB. Apple supports a 4 MB SGRAM SO-DIMM that is 32-bit wide, 144-pin, fast- paged, 83 MHz/12 ns cycle time or faster. Important: Use only SGRAM SO-DIMMs. Never use the 256K or 512K video memory DIMMs used in older Macintosh computers. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Memory - 50 Views (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Front View - 51 Front View (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Rear View - 52 Rear View (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Left Side View - 53 Left Side View (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Basics Right Side View - 54 Right Side View (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Basics Internal Locator - 55 Internal Locator (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics iMac Logic Board - 56 iMac Logic Board *Power Filter Connector *Modem Connector Processor Card J6 IrDA Connector Battery J17 Hard Drive Connector J13 CD-ROM Connector SGRAM Slot J16  Video  Connector  Modem  Microphone Speakers USB Ethernet J15 HD Power Connector  J18 J19 J20 J14  Audio Connector  J1 * ( Connector on underside of Lo g ic Board ) CUDA  Reset But (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics I/O Panel - 57 I/O Panel Type A Ports (USB)   Sound In Sound Out Ethernet Reset Interrupt Modem (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics I/O Panel - 58 Repair Strategy/Warranty (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Basics Strategy and Ordering - 59 Strategy and Ordering The iMac computer is to be serviced through module exchange and parts replacement. Apple Computer offers standard carry-in service only on the iMac computers (with the exception of US customers who purchase the AppleCare Service Plan, covered later in this section). Apple Service Providers planning to support the computer systems covered in this manual may purchase Service m (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Strategy and Ordering - 60 Large businesses, universities, and K-12 accounts must provide a purchase order on all transactions, including orders placed through the AppleOrder (US only) or ARIS (Canada only) systems. USA Ordering US Service providers not enrolled in AppleOrder may fax their orders to Service Provider Support (512-908- 8125) or mail them to Apple Computer, Inc. Service Provider Support MS 212-SPS 2323 Ridgepoi (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Strategy and Ordering - 61 For US inquiries, please call Service Provider Support at 800-919-2775 and select option #1. Canadian Ordering Canadian Service providers not enrolled in ARIS may fax their orders to Service Provider Support in Canada (1- 800-903-5284). For Canadian inquiries, please call Service Provider Support (800-217-9517). (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Warranty - 62 Warranty Following are the details of the warranty/AppleCare program for the US and Canada. US Only The iMac computers are covered under the Apple One-Year Limited Warranty. The AppleCare Protection Plan is also available for these products. Service Providers are reimbursed for warranty and AppleCare Protection Plan repairs. For pricing information, refer to Service Price Pages. (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Basics Warranty - 63 Canada Only The iMac computers are covered under the Apple One-Year Limited Warranty. The AppleCare Protection Plan is also available for these products. Service Providers are reimbursed for warranty and AppleCare Protection Plan repairs. For pricing information, refer to Service Price Pages. (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Service Source K Specifications iMac (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Specifications Introduction - 1 Introduction Specifications information for this product can be found in the Spec Database, which you can access at Service Source Online (http://service.info.apple.com) or on Service Source CD. Spec Database at Service Source Online From the Service Source Online home page, click Troubleshoot and Repair to access the main repair procedures page. Then click either Apple Spec in the navigatio (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service Source K Troubleshooting iMac (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Troubleshooting General - 1 General (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Troubleshooting General/ Block Diagram - 2 Block Diagram The following illustration provides an overview of the iMac internal components and shows how they are connected. USB HD Power J17 J18 CRT Power Cable P2 P1 J1 J3 J6 J2 J4 J5 P702 P701 P505 P502 P506 P508 Power Supply Board Power /Headphone Board AC On/Off Keyboard R RGB Cable Audio Cable (5 connectors) A/V Interconnect Board Power Filter Board Analog Board L V (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Troubleshooting General/ Power Flow - 3 Power Flow Power is controlled in the iMac system by the power supply board. Once the unit is plugged in, power flows from the AC outlet at the wall to the AC inlet on the power supply board. From there, the power flows through the power filter board and on to the analog/video board, the logic board, and all its attached components. Click here to view an animation of how power fl (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Troubleshooting General/ Testing for Power - 4 Testing for Power The iMac requires trickle voltage (+5 TRKL) in order to power- on. If you are experiencing power problems in the iMac unit, you will want to test for trickle power at various points in the system to pinpoint the location of the problem and to determine whether or not the power supply is functioning normally. If you have trickle power in the system, the odds (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Troubleshooting General/ Testing for Power - 5 Plug in the computer, but leave the iMac powered OFF. Ground the black probe on the volt meter (by inserting it into the metal chassis). With one hand behind your back, touch the red probe on the volt meter to the positive lead of capacitor C28 on the logic board (see the photograph on the next page) to see if you have +5V on the logic board. A +5V reading on the logic board me (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Troubleshooting General/ Testing for Power - 6 At the Power Supply to Power Filter Cable First remove the bottom access cover to reach the cables feeding into the logic board/mass storage chassis. Note : You will need a volt meter to test for power at the power supply to power filter cable. Refer to the picture below to locate the necessary test point referenced in the following procedure. Unplug the power supply t (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Troubleshooting General/ Testing for Power - 7 At the Power Supply Board Note: The procedure below tests for +5 V on the original iMac power supply board, 661-2081. Refer to the procedure on the next page to test for +5 V on the Version 2 (661-2167) power supply board. First remove the top access cover and then remove the CRT EMI shield to reach the power supply board. ± Warning: In this next procedur (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Troubleshooting General/ Testing for Power - 8 Note: The procedure below tests for +5 V on the Version 2 (661- 2167) power supply board. First remove the top access cover and then remove the CRT EMI shield to reach the power supply board. ± Warning: In this next procedure, the power supply will be exposed and the unit plugged in. Use extreme caution and avoid touching the exposed power supply to avoid any sh (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Troubleshooting General/ Testing for Power - 9 At the Power Supply Board Fuse First remove the top access cover and then remove the CRT EMI shield to access the power supply board. ± Warning: You must unplug the iMac to test do a continuity test at the power supply board fuse. Note: You will need an ohm meter do a continuity test on the power supply board fuse. Refer to the picture on the next page to (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Troubleshooting General/ The Cuda Chip - 10 The Cuda Chip The Cuda is a microcontroller chip. Its function is to: • Turn system power on and off. • Manage system resets from various commands. • Maintain parameter RAM (PRAM). • Manage the real-time clock. Many system problems can be resolved by resetting the Cuda chip (see the Symptom/Cure tables for examples). Press the Cuda reset button on the logic board to re (...)

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IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Troubleshooting General/ Resetting the Logic Board - 11 Resetting the Logic Board Resetting the logic board can resolve many system problems (see the Symptom/Cure tables for examples). Whenever you have a unit that fails to power up, you should follow this procedure before replacing any modules. 1. Unplug the computer. 2. Disconnect the cable that runs from the power supply to the power filter board on the bottom side o (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Manual Troubleshooting General/ Power-On Self Test - 12 Power-On Self Test There is a power-on self test that resides in the ROM of the iMac. This test automatically runs whenever the iMac is powered on after being fully shut down (the power-on self test does not run if the machine is only restarted). If a problem is detected during the test, you will not hear a normal startup chime. Instead, the system will beep as explained (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Troubleshooting General/ Video Flow - 13 Video Flow Video signals begin on the logic board at connector J16 and travel to connector J2 on the A/V interconnect board. The video signals then travel out from connector J5 (on the opposite side of the A/V interconnect board) and continue on via the internal RGB cable to P301 on the analog/video board. From there, the signals are transmitted to the CRT where they are displaye (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Troubleshooting General/ Sound Out Flow - 14 Sound Out Flow The iMac has three sound out paths: to the built-in speakers, to the sound output jack, and to the headphone jacks. To transmit sound out the internal speakers, the sound signals must travel (via the short internal audio cable) from the J14 audio connector on the logic board to the J1 connector on the A/V interconnect board. From there, the signals are transmitt (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Troubleshooting General/ HFS Plus Formatted Drives - 15 HFS Plus Formatted Drives The hard drive in the iMac is formatted with HFS Plus (also referred to as Mac OS Extended format). It is important to note that Norton Utilities version 3.5 is not compatible with HFS Plus (or Mac OS Extended format), and in fact, can destroy data on the hard drive. Norton Utilities version 3.5.3 or 3.5.2 will not attempt to repair a dri (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Service source Troubleshooting General/ Testing the Modem - 16 Testing the Modem The iMac ships with ClarisWorks (a.k.a. AppleWorks) software, which can be used to test the iMac modem connection. You should run this test if the modem is not able to dial out. To perform this test: 1. Locate and launch ClarisWorks. (Version 5.0 ships with the iMac computer.) 2. From the ClarisWorks New Document window, select Communications and click (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Troubleshooting Symptom Charts/ How to Use the Symptom Charts - 17 Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the Power Macintosh G3/ Macintosh Server G3 (Blue and White) product. Because cures are listed on the charts in the order of most likely solution, try the cures in the order presented. Verify whether or not the pr (...)

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Apple IMAC - ALL-IN-ONE DESKTOP - 3.06GHz Intel Core 2 Duo Adapter, Desktop Manual Troubleshooting Symptom Charts/ Video Problems - 18 Yes : Replace the power supply to power filter cable. No : Go to next step. 7 Possible bad power supply board. Replace the power supply board. Video Problems No video, the screen is either completely black, or you will see horizontal rolling lines. There will be power to the system, however, which is evidenced by an illuminated amber LED, and a runn (...)

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