Apple Power Mac G5 Optical Drive Specifications

© 2003 Apple Computer, Inc. All rights reserved.  Service SourcePower Mac G5 Updated: 24 September 2003

Power Mac G5 Take Apart - 1 General Information General Information Orientation For most take-apart procedures, it is recommended that you lay the

Power Mac G5 Troubleshooting - 7 General InformationPower Supply P2 ConnectorPin# Signal Color Pin# Signal Color1 +3.3V Orange 9 +5V Red2 +3.3V Orange

8 - Power Mac G5 Troubleshooting General InformationFront Inlet Fan ConnectorPin# Signal1 FAN CPU Cpu AF MOTOR2 FAN CPU AF TACH3 FAN GND4 FAN 12V5 FAN

Power Mac G5 Troubleshooting - 9 General InformationFront Panel Board ConnectorPin# Signal Type1 25V2 V-GND3 FW TPA Twisted Pair Shield 110 Ohm4 FW TP

10 - Power Mac G5 Troubleshooting General InformationOptical and Serial ATA Hard Drive Cable Connectors Power Optical SP1 (HD1) SP2 (HD2)Pin# Color Pi

Power Mac G5 Troubleshooting - 11 Symptom ChartsSymptom ChartsHow to Use the Symptom ChartsThe Symptom Charts included in this chapter will help you d

12 - Power Mac G5 Troubleshooting Symptom ChartsNo power (LED on/off, no fans, no boot tone, no video)1. Check power supply cables2. Check logic board

Power Mac G5 Troubleshooting - 13 Symptom ChartsOptical drive1. Replace optical drive cable2. Replace optical drive3. Replace logic boardFireWire port

14 - Power Mac G5 Troubleshooting Symptom ChartsModem1. Replace modem2. Replace modem filter board3. Replace logic boardAirPort1. Replace AirPort Card2

© 2003 Apple Computer, Inc. All rights reserved. Service SourceViews Power Mac G5

Power Mac G5 Views - 1 Exploded ViewsExploded ViewsExploded View 1Video Card661-2912, 661-2921, 661-2922Fibre Channel Card661-1763Serial ATA Hard Dri

2 - Power Mac G5 Take Apart Opening the Computer Opening the Computer Tools No tools are required for this procedure. Preliminary Steps 1. Shut down

2 - Power Mac G5 Views Exploded ViewsExploded View #2Logic Board, 167 MHz, Uni661-2894Logic Board, 233 MHz, Uni661-2895Logic Board, 233 MHz, Dua661-29

Power Mac G5 Views - 3 Internal ViewsInternal ViewsOverviewBottom Hard Drive BayTop Hard Drive BayOptical DriveSlot 1: AGP 8X Pro Slot(Graphics card i

4 - Power Mac G5 Views Internal ViewsLogic BoardProcessorConnectorsOpticalDriveConnectorAGP Slot 1PCI Slot 2PCI Slot 3PCI Slot 4USB 2.0 PortUSB 2.0 Po

Power Mac G5 Views - 5 External ViewsExternal ViewsFront ViewOptical DriveHeadphone Jackf¤Power ButtonStatus LightUSB 2.0 PortFireWire 400 Port

6 - Power Mac G5 Views External ViewsRear ViewLatch Access Covers for PCIExpansion SlotsDVI Display PortAirPort Antenna PortBluetooth Antenna PortInte

Power Mac G5 Take Apart - 3 Opening the Computer Procedure 1. Hold the side access panel and lift the latch on the back of the computer. Warning:

4 - Power Mac G5 Take Apart Opening the Computer3. Remove the air deflector and place it on a soft, clean cloth. Replacement Note: To replace the ai

Power Mac G5 Take Apart - 5 Serial ATA Hard Drive Serial ATA Hard Drive The Power Mac G5 computer can accommodate two serial ATA hard drives in its

6 - Power Mac G5 Take Apart Serial ATA Hard Drive Procedure 1. Release the drive locking latch by rotating it up.2. Disconnect the drive data cable

Power Mac G5 Take Apart - 7 Serial ATA Hard Drive4. If you are replacing the drive with a new drive, transfer the four hard drive guide screws from

8 - Power Mac G5 Take Apart Serial ATA Hard Drive Replacement Note: When replacing the top drive, make sure the guide screws align with the middle

Power Mac G5 Take Apart - 9 Optical Drive Optical Drive Important: When installing a replacement optical drive, use the original Apple cables that

10 - Power Mac G5 Take Apart Optical Drive Procedure 1. Disconnect the optical drive ribbon cable from the logic board. (The cable connector is loca

© 2003 Apple Computer, Inc. All rights reserved.  Service SourceBasics Power Mac G5

Power Mac G5 Take Apart - 11 Optical Drive3. Place the fingers on one hand inside the opening for the optical drive cable and push the edge of the d

12 - Power Mac G5 Take Apart Optical Drive6. If you are replacing the drive with a new drive, install the standoffs on the bottom of the new drive.

Power Mac G5 Take Apart - 13 Optical Drive7. Disconnect the ribbon cable from the back of the drive, and then carefully pry the cable from the top

14 - Power Mac G5 Take Apart Front Inlet Fan(s) Front Inlet Fan(s) The front inlet fan assembly consists of one or two fans in a plastic bracket. If

Power Mac G5 Take Apart - 15 Front Inlet Fan(s) Procedure 1. Hold the front inlet fan assembly by the front handle and firmly pull it out of the com

16 - Power Mac G5 Take Apart Front Inlet Fan(s)2. If you are replacing the fan(s) in the bracket, do the following:• Remove the fan cable from the

Power Mac G5 Take Apart - 17 Front Inlet Fan(s) Replacement Note: To replace the front inlet fan bracket in the enclosure, align the large rail on

18 - Power Mac G5 Take Apart Memory (DIMMs) Memory (DIMMs) Depending on the model, Power Mac G5 computers have either four or eight Dual Inline Memo

Power Mac G5 Take Apart - 19 Memory (DIMMs)In addition, DIMMs must fit these specifications: • 2.5 volt• 184-pin module• Maximum number of memory dev

20 - Power Mac G5 Take Apart Memory (DIMMs) Procedure 1. Locate the DIMM slots on the logic board.2. Open the ejectors on the DIMM slot by pushing t

Power Mac G5 Basics - 1 Overview Overview Power Mac G5 is a 64-bit desktop computer powered by the PowerPC G5 processor. It offers memory expansion

Power Mac G5 Take Apart - 21 AGP/PCI Card AGP/PCI Card The Power Mac G5 computer has four expansion card slots, three of which accommodate Peripher

22 - Power Mac G5 Take Apart AGP/PCI Card33 MHz PCI slots and cannot use PCI-X cards; computers with eight DIMM slots can accommodate 100 and 133 MH

Power Mac G5 Take Apart - 23 AGP/PCI Card Procedure Install an AGP video card in slot 1 only. Install either PCI or PCI-X cards in the slots labele

24 - Power Mac G5 Take Apart AirPort Extreme Card AirPort Extreme Card Only the AirPort Extreme Card may be installed in the Power Mac G5. Older Air

Power Mac G5 Take Apart - 25 AirPort Extreme Card Procedure 1. Carefully disconnect the antenna cable from the end of the AirPort Extreme Card.2. P

26 - Power Mac G5 Take Apart BatteryBatteryToolsNo tools are required for this procedure. You may, however, find a flat-blade screwdriver useful in remo

Power Mac G5 Take Apart - 27 BatteryProcedure1. If necessary, carefully spread the tabs holding the battery.2. Remove the battery from its holder, not

28 - Power Mac G5 Take Apart Rear Exhaust Fan(s)Rear Exhaust Fan(s)ToolsThe following tools required for this procedure:• Phillips screwdriver• Needle

Power Mac G5 Take Apart - 29 Rear Exhaust Fan(s)Procedure1. Disconnect the fan cable from the logic board.Note: Press the cable connector up toward th

30 - Power Mac G5 Take Apart Rear Exhaust Fan(s)4. If you are replacing the fans, use needlenose pliers to pull each fan off the four grommets that mo

2 - Power Mac G5 Basics Serial Number Location Serial Number Location To identify a particular model of Power Mac G5, check the computer’s serial nu

Power Mac G5 Take Apart - 31 Rear Exhaust Fan(s)Then rotate the fan back flush with the rear panel, making sure the two latches on the top of the brack

32 - Power Mac G5 Take Apart Speaker/Fan AssemblySpeaker/Fan AssemblyToolsThe only tools required for this procedure are a Phillips screwdriver and ne

Power Mac G5 Take Apart - 33 Speaker/Fan AssemblyProcedure1. Disconnect the speaker and fan cables from the logic board.2. Lift the speaker/fan assemb

34 - Power Mac G5 Take Apart Speaker/Fan Assembly4. If you are replacing the fan, use needlenose pliers to pull the fan off the four grommet fasteners

Power Mac G5 Take Apart - 35 Modem BoardModem BoardToolsThe only tool required for this procedure is a Phillips screwdriver.Preliminary StepsBefore yo

36 - Power Mac G5 Take Apart Modem BoardProcedure1. Remove the two screws that secure the modem board.2. Lift the board slightly and disconnect the mo

Power Mac G5 Take Apart - 37 Bluetooth CardBluetooth CardToolsThe only tool required for this procedure is a Phillips screwdriver.Preliminary StepsBef

38 - Power Mac G5 Take Apart Bluetooth CardProcedure1. Remove the two Bluetooth mounting screws.2. Lift the Bluetooth card straight up a short distanc

Power Mac G5 Take Apart - 39 ProcessorProcessorToolsThe only tool required for this procedure is a long-handled Phillips screwdriver.Preliminary Steps

40 - Power Mac G5 Take Apart ProcessorProcedure1. Remove the metal G5 cap from the top of the heatsink. Note: The cap is held in place by two sets of

Power Mac G5 Basics - 3 What’s New What’s New Overview PowerPC G5 — The Power Mac G5 computer incudes the new 64-bit PowerPC G5 processor running a

Power Mac G5 Take Apart - 41 Processor2. Using a long-handled Phillips screwdriver, remove the four processor mounting screws.3. Lift the heatsink and

42 - Power Mac G5 Take Apart ProcessorReplacement Note: If you are replacing the processor with a new processor, do the following:• When removing the

Power Mac G5 Take Apart - 43 Modem Filter Board and CablesModem Filter Board and CablesToolsThe only tools required for this procedure are a long-hand

44 - Power Mac G5 Take Apart Modem Filter Board and CablesProcedure1. Route the modem filter board cable out through the opening in the PCI divider.2.

Power Mac G5 Take Apart - 45 Modem Filter Board and Cables5. Slide the modem filter board back to disengage it from its mounting bracket, and remove th

46 - Power Mac G5 Take Apart Modem Filter Board and CablesReplacement Note: Make sure the modem filter cable routes out through the opening in the side

Power Mac G5 Take Apart - 47 Antenna Board and CablesAntenna Board and CablesToolsThe only tools required for this procedure are a long-handled and a

48 - Power Mac G5 Take Apart Antenna Board and CablesProcedure1. Disconnect the black antenna cable from the AirPort Extreme Card (if installed).2. Di

Power Mac G5 Take Apart - 49 Antenna Board and Cables4. Remove the Bluetooth cable (gray) and AirPort cable (black) from the cable guides and remove t

50 - Power Mac G5 Take Apart Front Panel Board CableFront Panel Board CableToolsNo tools are required for this procedure.Preliminary StepsBefore you b

4 - Power Mac G5 Basics What’s New DDR Memory Depending on the model, Power Mac G5 computers have either four or eight Dual Inline Memory Module (DI

Power Mac G5 Take Apart - 51 Front Panel Board CableProcedure1. Remove the two black plastic caps that cover the front panel board cable connectors.No

52 - Power Mac G5 Take Apart PCI Card GuidePCI Card GuideToolsThe only tool required for this procedure is a Phillips screwdriver.Preliminary StepsBef

Power Mac G5 Take Apart - 53 PCI Card GuideProcedure1. Remove the two screws that mount the PCI card guide to the logic board.2. Slide the card guide

54 - Power Mac G5 Take Apart Power SupplyPower SupplyToolsThe only tools required for this procedure are a long-handled and a short-handled Phillips s

Power Mac G5 Take Apart - 55 Power SupplyProcedure1. Remove the black plastic caps covering the two power supply cable connectors.Note: The caps fit t

56 - Power Mac G5 Take Apart Power Supply4. Remove the four power supply mounting screws on the bottom of the enclosure.5. Push in on the power recept

Power Mac G5 Take Apart - 57 Power Supply7. Disconnect the power harness cable from the power supply.8. Remove the power supply from the enclosure.Rep

58 - Power Mac G5 Take Apart Air Deflector Sensor BoardAir Deflector Sensor BoardToolsThe only tools required for this procedure are a long-handled an

Power Mac G5 Take Apart - 59 Air Deflector Sensor BoardProcedureThe air deflector sensor board is located inside the enclosure on the bottom right fron

60 - Power Mac G5 Take Apart Logic Board Logic Board Tools The only tools required for this procedure are a long-handled Phillips screwdriver, a sho

Power Mac G5 Basics - 5 What’s New Video The Power Mac G5 computer comes with a graphics card installed in the AGP 3.0-compliant 8x Pro slot. All g

Power Mac G5 Take Apart - 61 Logic Board Procedure 1. Remove the two screws that secure the PCI card guide.2. Disconnect the six cables from the to

62 - Power Mac G5 Take Apart Logic Board5. Carefully tilt the logic board up and maneuver it out of the enclosure, making sure the ports clear the e

Power Mac G5 Take Apart - 63 Logic Board8. Disconnect the front inlet fan cable from the logic board.9. Remove the three PCI divider mounting screw

64 - Power Mac G5 Take Apart Logic Board12. Install the modem filter board and cable on the logic board.13. Install the antenna board and cables on t

Power Mac G5 Take Apart - 65 Logic Board17. Transfer the port EMI shield from the original logic board to the replacement logic board, making sure

66 - Power Mac G5 Take Apart Logic Board Replacement Procedure 1. Temporarily tape the top six cables to the media shelf so that they are out of the

Power Mac G5 Take Apart - 67 Logic Board5. Replace the logic board screws and standoffs.6. Replace the two PCI card guide screws.7. Connect the six

68 - Power Mac G5 Take Apart PCI DividerPCI DividerToolsThe only tools required for this procedure are a long-handled Phillips screwdriver, a short-ha

Power Mac G5 Take Apart - 69 PCI DividerProcedure1. Disconnect the front inlet fan cable from the logic board.2. Remove the thermistor from the cable

70 - Power Mac G5 Take Apart PCI Divider3. Remove the modem filter board cable, Bluetooth cable, and AirPort cable from the cable guides on the PCI div

6 - Power Mac G5 Basics What’s NewAnalog audio signals are converted to digital data internally. All audio is handled digitally inside the computer,

Power Mac G5 Take Apart - 71 PCI Divider5. Compress the two latches on the sides of the front inlet fan cable connector, press the connector down thro

72 - Power Mac G5 Take Apart Thermistor CableThermistor CableToolsThe only tools required for this procedure are a long-handled Phillips screwdriver,

Power Mac G5 Take Apart - 73 Thermistor CableProcedure1. Disconnect the thermistor cable from the logic board.2. Remove the thermistor cable from the

74 - Power Mac G5 Take Apart Front Inlet Fan CableFront Inlet Fan CableToolsThe only tools required for this procedure are a long-handled Phillips scr

Power Mac G5 Take Apart - 75 Front Inlet Fan CableProcedure1. Compress the two latches on the sides of the fan cable connector, and press the connecto

76 - Power Mac G5 Take Apart Front Panel BoardFront Panel BoardToolsThe only tools required for this procedure are a jeweler’s flatblade screwdriver, a

Power Mac G5 Take Apart - 77 Front Panel BoardProcedure1. Using a jeweler’s flatblade screwdriver, pry up the metal cap covering the front panel board

78 - Power Mac G5 Take Apart Front Panel Board3. Carefully pull the board a short distance out of its EMI shield, and disconnect the power button cabl

Power Mac G5 Take Apart - 79 Front Panel Board• Peel the backing off the EMI shield gasket and apply the gasket to the bottom of the shield, making su

80 - Power Mac G5 Take Apart Power ButtonPower ButtonToolsThe only tools required for this procedure are a jeweler’s flatblade screwdriver, a long-hand

© 2003 Apple Computer, Inc. All rights reserved.  Service SourceTake Apart Power Mac G5

Power Mac G5 Take Apart - 81 Power ButtonPart LocationProcedure1. Lay the computer so that the front panel is facing down.2. Remove the black rubber c

82 - Power Mac G5 Take Apart Power Button4. Lift up and remove the power button board.5. Remove the metal activation ring that lies below the power bu

Power Mac G5 Take Apart - 83 Power Button6. Remove the power button from the enclosure.

© 2003 Apple Computer, Inc. All rights reserved. Service SourceTroubleshootingPower Mac G5

Power Mac G5 Troubleshooting - 1 General InformationGeneral InformationDDR MemoryIn the Power Mac G5, DIMMs must always be installed in pairs of equal

2 - Power Mac G5 Troubleshooting General InformationPCI and AGP CardsThe Power Mac G5 computer has four expansion card slots, three of which accommoda

Power Mac G5 Troubleshooting - 3 General Information*The PCI slots can accommodate mixed-voltage (5.0 V, 12 V, or 3.3 V) cards but only at 3.3 V signa

Power Mac G5 Troubleshooting - 4 General InformationBlock Diagram

Power Mac G5 Troubleshooting - 5 General InformationResetting the PMU on the Logic BoardThe PMU (Power Management Unit) is a microcontroller chip that

6 - Power Mac G5 Troubleshooting General InformationPinoutsPower Supply P1 ConnectorPin # Signal Color Pin# Signal Color1 +5Vstb Purple 13 GND Black2