Service Source K Power Mac G4/Macintosh Server G4 Power Mac G4 (AGP Graphics/Gigabit Ethernet/Digital Audio/ QuickSilver/QuickSilver
Basics Standard Configurations - 8 Electrical Requirements and Agency Approvals • Line voltage: 115V AC (90V to 132V AC) or 230V AC (180V to 264V A
Take Apart Carrier Support Plate - 781. Remove the two support plate mounting screws from the bottom of the unit.
Take Apart Carrier Support Plate - 792. Lift the plate at an angle and remove it from the computer.
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 80CD/DVD Drive, Power Mac G4 (QuickSilvers)Before you begin, open the side access panel.Note:
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 811. Remove the four screws that attach the drive carrier to the chassis.
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 822. Supporting the bottom of the carrier, slide it back and rotate it so you can reach the dr
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 833. Carefully detach the ribbon cable tape from the top of the carrier.4. Disconnect the foll
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 846. Using a Phillips screwdriver, remove the four CD/DVD drive carrier mounting screws.7. Sli
Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 85Replacement Note: When inserting the drive carrier into the computer, make sure the pegs on
Take Apart Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers) - 86Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers)Before you begin, open the side a
Take Apart Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers) - 871. From inside the chassis, behind the front panel, push the bezel tab forward to r
Basics Standard Configurations - 9 Size and Weight • Height: 17.0 inches (43.2 cm) • Width: 8.9 inches (22.6 cm) • Depth: 18.4 inches (46.7 cm) • W
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 88Zip Drive, Power Mac G4 (QuickSilvers)Before you begin, open the side access panel.Note: You re
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 891. Remove the four screws that attach the drive carrier to the chassis.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 902. Supporting the bottom of the carrier, slide it back and rotate it so you can reach the drive
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 913. Carefully detach the ribbon cable tape from the top of the carrier.4. Disconnect the followi
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 926. Slide the Zip drive carrier off the main carrier.
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 937. Using a Phillips screwdriver, remove the four Zip drive mounting screws.8. Slide the drive o
Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 94Replacement Note: When inserting the drive carrier into the computer, make sure the pegs on the
Take Apart CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 95CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital AudioBefore you
Take Apart CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 961. From inside the chassis, behind the front panel, push the two bezel t
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 97CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital AudioBefore you
Basics Configure-to-Order Options - 10 Configure-to-Order Options The configure-to-order options are available from the Apple Store. For more inform
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 98Note: You remove the drive carrier from the computer with the drives att
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 993. Disconnect the following cables from the back of the CD-ROM, DVD-ROM,
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1006. Continue sliding the drive carrier out of the computer. Important:
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 101Note: Perform the following procedure if you are replacing the CD-ROM,
Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 102drive back into the carrier, lift the back of the drive slightly so tha
Take Apart Zip Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 103Zip Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital AudioIf removing the
Take Apart Fan, Power Mac G4 (QuickSilvers) - 104Fan, Power Mac G4 (QuickSilvers)Before you begin, open the side access panel.
Take Apart Fan, Power Mac G4 (QuickSilvers) - 1051. Press the small locking tab on the power-to-fan cable connector and disconnect the cable.
Take Apart Fan, Power Mac G4 (QuickSilvers) - 1062. Remove the two screws that mount the fan bracket to the chassis.Replacement Note: Use the longer
Take Apart Fan, Power Mac G4 (QuickSilvers) - 107Perform the following procedure only if you are replacing the fan.4. Using a Phillips screwdriver, r
Basics Power Mac G4 (AGP Graphics/Gigabit Ethernet) Views - 11 | Views Power Mac G4 (AGP Graphics/Gigabit Ethernet) ViewsPower Mac G4 (Digital Audio
Take Apart Fan, Power Mac G4 (QuickSilvers) - 108Replacement Note: When replacing the fan in the bracket, make sure the arrows on the side of the fan
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 109Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital AudioBefore y
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 1101. Remove the two screws on the fan bracket.2. Pull the fan bracket do
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 1114. Lift the fan bracket out of the computer.Replacement Note: The fan
Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 112Perform the following procedure only if you are replacing the fan.5. U
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 113Power Supply, Power Mac G4 (QuickSilvers)Before you begin, do the following:• Open the side
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 1141. Press the small locking tab on the power-to-fan cable connector and disconnect the cable
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 1152. Disconnect the main power cable from the logic board and the power cables to any hard dr
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 1163. Using a 2.5 mm Allen wrench, remove the three screws on the rear vented panel.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 1174. Remove the four screws that attach the power supply and main power supply cable to the c
Basics Power Mac G4 (AGP Graphics/Gigabit Ethernet) Internal Locator - 12 Power Mac G4 (AGP Graphics/Gigabit Ethernet) Internal LocatorPower Mac G4
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 1185. Slide the power supply toward the front of the computer until it clears the security bar
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 1196. Maneuver the power supply and its cables out of the chassis.
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 120Replacement Note: If you are replacing the power supply, remove the power supply bracket an
Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 121Replacement Note: You must set the power supply voltage switch to the correct setting (115
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 122Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital AudioBefore you
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1231. Disconnect the power-to-fan connector.
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1242. Disconnect the following power cables:•cables P6 and P7 from the CD
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1253. Using a 2.5 mm Allen wrench, remove the three screws on the rear ven
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1264. On the inside of the chassis, remove the screw that attaches the pow
Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 127and reattach it to the new power supply.Replacement Note: You must set
Basics PowerMac G4 (AGP Graphics/Gigabit Ethernet) Logic Boards - 13 PowerMac G4 (AGP Graphics/Gigabit Ethernet) Logic BoardsBatteryPCI SlotsPowerFi
Take Apart Speaker, Power Mac G4 (QuickSilvers) - 128Speaker, Power Mac G4 (QuickSilvers)Before you begin, do the following:• Open the side access pa
Take Apart Speaker, Power Mac G4 (QuickSilvers) - 1291. Using your thumbs, press the tabs in on the speaker shield.2. Rotate the shield and remove it
Take Apart Speaker, Power Mac G4 (QuickSilvers) - 1303. Disconnect the speaker cable from the logic board.4. Remove the two speaker mounting screws.5
Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 131Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital AudioBefore you begin, do
Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1321. Disconnect the speaker cable from the logic board.2. Free the cable from
Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1333. Push the speaker tab in and pull the speaker housing back to release it.4
Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 134Front Panel Board, Power Mac G4 (QuickSilvers)Before you begin, open the side access p
Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1351. Using your thumbs, press the tabs in on the speaker shield.2. Rotate the shield and
Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1363. Disconnect the front panel cable from the front panel board.4. Remove the two screw
Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital AudioBef
Basics PowerMac G4 (QuickSilvers/Digital Audio) Logic Board - 14 PowerMac G4 (QuickSilvers/Digital Audio) Logic BoardBatteryPCI SlotsPowerFireWire P
Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1. Using your thumbs, press the tabs in on the front panel shield.2.
Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 5. Push in and pry up on the three tiny metal tabs to release the fro
Take Apart Antenna - 140AntennaNote: The antenna is routed through the chassis in two ways: under the logic board and through drive bay 1. Do not rem
Take Apart Antenna - 141the antenna cable is routed underneath it)• CD-ROM drive carrier1. Disconnect the antenna cable from the AirPort card (if ins
Take Apart Antenna - 1423. Using a jeweler’s screw driver, remove the antenna mounting screws and lift the antenna and antenna cable out of the compu
Take Apart Top Handles, Front and Rear - 143Top Handles, Front and Rear No preliminary steps are required before you begin this procedure.
Take Apart Top Handles, Front and Rear - 1441. Using a 2.5 mm Allen wrench, remove the two allen screws securing each handle.2. Lift the handle from
Take Apart Top Handles, Front and Rear - 145Replacement Note: When installing the top handles (front and rear) orient them so that the three tiny bum
Take Apart Top Panel - 146Top PanelBefore you begin, remove the following:• top front handle• top rear handle
Take Apart Top Panel - 1471. Slide the top panel back, towards the power supply, to unhook the tabs.2. Lift the top panel from the chassis.
Basics Power Mac G4 (PCI Graphics) Logic Board - 15 Power Mac G4 (PCI Graphics) Logic BoardJ1 ATA-3(CD/DVD-ROM and Zip DriveJ15 Ultra DMA/33(ATA
Take Apart Supports, Front and Rear - 148Supports, Front and Rear Before you begin, place the computer on an ESD mat and turn the unit upside down.±W
Take Apart Supports, Front and Rear - 1491. Using a 2.5 mm Allen wrench, remove the two screws securing each support to the computer.2. Remove the su
Take Apart Lower Panels, Front and Rear - 150Lower Panels, Front and Rear Before you begin, remove the front and/or rear support.±Warning: When the
Take Apart Lower Panels, Front and Rear - 151Note: The computer is shown upside down.1. Lift the lower front panel or the lower rear panel from the
Take Apart Front Panel - 152Front PanelBefore you begin, remove:• top front handle• lower front support and lower front panel• Power Mac G4 (PCI/AGP
Take Apart Front Panel - 1531. Open the side access panel. Locate the front panel tabs. 2. Using a screwdriver, carefully push the front panel tabs i
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 154CD/DVD Drive Door, Power Mac G4 (QuickSilvers)Before you begin, remove:• top front han
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 1551. Remove the four mounting screws on the front of the computer.
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 1562. Open the side access panel and remove the CD/DVD door shield from the chassis.
Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 1573. Using a flatblade screwdriver, gently press the CD/DVD door mounting pegs flush wit
Basics Strategy and Ordering - 16 | Repair Strategy/Warranty Strategy and Ordering Service Power Mac G4 computers through module exchange and parts
Take Apart Rear Vented Panel - 158Rear Vented PanelBefore you begin, remove the following:• top rear handle• lower rear support ±Warning: When the l
Take Apart Rear Vented Panel - 1591. Open the side access panel.2. Remove the three 2.5 mm Allen screws.3. Push in on the six tabs to release the pan
Take Apart Rear Vented Panel - 1604. Once the tabs are released, carefully pull the rear panel forward to remove.
Take Apart Latch Panel - 161Latch PanelBefore you begin, remove the following:• video card• PCI cards (if present)• Power Mac G4 (PCI Graphics): Fire
Take Apart Latch Panel - 1621. Remove the four Phillips screws holding the panel to the chassis. 2. Slide the panel toward the hard drives, freeing t
Take Apart Right Side Access Panel - 163Right Side Access PanelBefore you begin, remove the following:• PCI cards (if present)• video card• FireWire
Take Apart Right Side Access Panel - 1641. Remove the four 2.5 mm Allen screws on the side panel.
Take Apart Right Side Access Panel - 1652. Open the side access panel.3. Remove the two Phillips screws attaching the right side panel to the metal c
Take Apart Right Side Access Panel - 1664. Using a flatblade screwdriver or needlenose pliers, push or squeeze the plastic tabs (protruding through t
Take Apart Left Side Panel - 167Left Side PanelNo preliminary steps are required before you begin this procedure.
Basics Strategy and Ordering - 17 USA Ordering U.S. service providers not enrolled in AppleOrder may fax their orders to Service Provider Support (5
Take Apart Left Side Panel - 1681. Remove the four 2.5 mm Allen screws on the side panel.
Take Apart Left Side Panel - 1692. Open the side access panel.3. Remove the fan screws and drop the fan bracket down to access the plastic panel tabs
Take Apart Left Side Panel - 1704. Using a needlenose pliers, squeeze the tabs (located behind the fan bracket) to release the left side panel from t
Take Apart I/O Panel, PCI Graphics - 171I/O Panel, PCI GraphicsNote: The I/O panel can be removed only in Power Mac G4 (PCI Graphics) computers. The
Take Apart I/O Panel, PCI Graphics - 1721. Remove the two mounting screws on the I/O panel.
Take Apart I/O Panel, PCI Graphics - 1732. Tilt the I/O panel forward and remove.
Take Apart I/O Panel Cover - 174I/O Panel CoverBefore you begin, do the following:• Open the side access panel.• Remove the logic board.• Power Mac G
Take Apart I/O Panel Cover - 175Note: Because the I/O panel cover can be difficult to remove, take your time prying up the plastic tabs.1. Using a j
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Troubleshooting Power Mac G4/Macintosh Server G4
Troubleshooting General/ Block Diagrams - 1 General Block Diagrams Power Mac G4 (QuickSilvers/Digital Audio) Block Diagram133 MHzmemory bus133 MHzMa
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Basics Power Mac G4/Macintosh Server G4
Basics Warranty - 18 Canadian Ordering Canadian service providers not enrolled in ARIS may fax their orders to Service Provider Support in Canada (8
Troubleshooting General/ Block Diagrams - 2 Power Mac G4 (Gigabit Ethernet) Block Diagram100 MHzmemory bus100 MHzMax busMicrophone jackHeadphone jac
Troubleshooting General/ Block Diagrams - 3 Power Mac G4 (AGP Graphics) Block Diagram100 MHzmemory bus100 MHzMax busMicrophone jackHeadphone jackE
Troubleshooting General/ Block Diagrams - 4 Power Macintosh G4 (PCI Graphics) Block Diagram
Troubleshooting General/ Power-On Self Test - 5 Power-On Self Test There is a power-on self test that resides in the ROM of the Power Mac G4. This t
Troubleshooting General/ Power-On Self Test - 6 Power Macintosh G4 (PCI Graphics):• 1 Beep: No RAM is installed or detected.• 2 Beeps: Incompatibl
Troubleshooting General/ Logic Board Diagrams - 7 Logic Board Diagrams Power Mac G4 (QuickSilvers/Digital Audio) Logic Board DiagramBatteryPCI Slots
Troubleshooting General/ Logic Board Diagrams - 8 Power Mac G4 (AGP Graphics/Gigabit Ethernet) Logic Board DiagramBatteryPCI SlotsPowerFireWire Por
Troubleshooting General/ Logic Board Diagrams - 9 Power Macintosh G4 (PCI Graphics) Logic Board DiagramJ1 ATA-3(CD/DVD-ROM and Zip DriveJ15 Ultra
Troubleshooting General/ Logic Board Troubleshooting - 10 Logic Board Troubleshooting Power Mac G4 (all models except PCI Graphics) Processor Module
Troubleshooting General/ Logic Board Troubleshooting - 11 I/O, two crystals, and a CPU. Its function is to: • Tell the computer to turn on, turn off
Basics Warranty - 19 Canada Only Power Mac G4 computers are covered under the Apple One-Year Limited Warranty. The AppleCare Protecion Plan is also
Troubleshooting General/ Logic Board Troubleshooting - 12 procedure before replacing any modules: 1. Disconnect the power cord and check the battery
Troubleshooting General/ Logic Board Troubleshooting - 13 Note: This entire procedure resets the computer’s PRAM. Be sure to reset the computer’s t
Troubleshooting General/ Logic Board Troubleshooting - 14 Power Macintosh G4 (PCI Graphics) Processor Module The logic board comes with a removable
Troubleshooting General/ Logic Board Troubleshooting - 15 Resetting the Cuda Chip: Power Macintosh G4 (PCI Graphics) The Cuda is a microcontroller c
Troubleshooting General/ Logic Board Troubleshooting - 16 Resetting the PCI Logic Board Resetting the logic board can resolve many system problems (
Troubleshooting General/ Logic Board Troubleshooting - 17 Note: This procedure resets the computer’s PRAM. Be sure to check the computer’s time/dat
Troubleshooting General/ Logic Board Troubleshooting - 18 DS4 and DS5 = USB power for downstream devices DS5 = USB port 1- lowerDS4 = USB port 2- up
Troubleshooting General/ Logic Board Troubleshooting - 19 other port can still be functional. These LEDs are not immediately illuminated at the begi
Troubleshooting General/ Logic Board Troubleshooting - 20 DS6 = Ultra ATA bus activity DS6 indicates Ultra ATA bus activity. DS7 & DS8 = Power I
Troubleshooting General/ Logic Board Troubleshooting - 21 Power Macintosh G4 (PCI Graphics) LEDs LocatorDS5DS9DS8DS7DS6DS1DS4
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Take Apart Power Mac G4 / MacintoshServer G4
Troubleshooting General/ Power Supply Verification - 22 Power Supply Verification To start up, the Power Mac G4 logic board requires a “trickle” powe
Troubleshooting General/ Power Supply Verification - 23 1. Plug in a known-good power cord into the back of the com-puter. Do not turn on the comput
Troubleshooting General/ Power Supply Verification - 24 Figure 1. Power Supply 20-Pin ConnectorPin 20+5VPin 19+5VPin 18GNDPin 17GNDPin 16GNDP
Troubleshooting General/ Power Supply Verification - 25 3. Power Mac G4 (Gigabit Ethernet/Digital Audio) (see Figure 2):Connect the black lead of th
Troubleshooting General/ Power Supply Verification - 26 Figure 2. Power Supply 22-Pin ConnectorPin 22+28V TRKLPin 21+5VPin 20+5VPin 19GNDPin 1
Troubleshooting General/ Power Supply Verification - 27 4. Power Mac G4 (QuickSilver/QuickSilver 2002) (see Figure 3):Connect the black lead of the
Troubleshooting General/ Power Supply Verification - 28 Figure 3. Power Supply 22-Pin Connector and 4-Pin ConnectorNote: The four-pin connector (
Troubleshooting General/Power Supply Verification - 29 5.Start up the computer by pressing the power button on the front of the computer. Note: Ve
Troubleshooting General/ Power Supply Verification - 30 not present, replace the power supply; otherwise, go to the next step.8. Connect the black l
Troubleshooting General/ Power Supply Verification - 31 connections and measure the voltage again. If voltage is still not present, replace the powe
Take Apart Identifying Models of the Power Mac G4 - 1 General Identifying Models of the Power Mac G4 There are six models of Power Mac G4 computers:
Troubleshooting General/ SDRAM DIMMs - 32 SDRAM DIMMs The Power Mac G4 uses the following types of SDRAM DIMMs: PCI/AGP/Gigabit Ethernet QuickSilver
Troubleshooting General/ SDRAM DIMMs - 33 Power Mac G4 (all models except PCI Graphics) Four slots on the Power Mac G4 (AGP Graphics/Gigabit Etherne
Troubleshooting General/ PCI Cards - 34 PCI Cards Video Card Installation Power Mac G4 computers require an I/O video card that moves video from the
Troubleshooting General/ PCI Cards - 35 Power Mac G4 (QuickSilvers/Digital Audio)Power Mac G4 (PCI Graphics/AGP Graphics/Gigabit Ethernet)Slots #2-5
Troubleshooting General/ PCI Cards - 36 Cleaning Procedure for Card Connectors It is possible for residue to build up on the gold edge connector pin
Troubleshooting General/ VGA-to-Macintosh Adapters - 37 VGA-to-Macintosh Adapters To avoid “No video” or “Black screen” situations, do not use two V
Troubleshooting Symptom Charts/ How to Use the Symptom Charts - 38 Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this
Troubleshooting Symptom Charts/ Startup - 39 Startup System is completely dead (no fan movement and power-on button is not lit)1 Verify the power ou
Troubleshooting Symptom Charts/ Startup - 40 Memory error message appears on the screen1 Reseat the DIMMs. 2 Verify that only SDRAM DIMMs are instal
Troubleshooting Symptom Charts/ Startup - 41Computer begins to power up, the fan and hard drive are spinning, the power LED is lit, but there is no
Take Apart Identifying Models of the Power Mac G4 - 2 have a silver-colored case. They also have a recessed speaker on the front panel.To identify t
Troubleshooting Symptom Charts/ Startup - 42System shuts down intermittently1 Make sure the power cord is plugged in firmly.2 Check that the power so
Troubleshooting Symptom Charts/ Startup - 43System shuts down almost immediately after startup1 Power Macintosh G4 (PCI Graphics): Reset the Cuda chi
Troubleshooting Symptom Charts/ Startup - 44System quits or stops responding intermittently1 If the system quits or stops responding in a specific ap
Troubleshooting Symptom Charts/ Error Tones - 45Error TonesNote: Error tones occur before system software loads.Computer beeps once at startupOne bee
Troubleshooting Symptom Charts/ Error Tones - 46Computer beeps twice at startupTwo beeps means that incompatible RAM types may be installed. Verify t
Troubleshooting Symptom Charts/ Error Tones - 47Computer beeps four or five times at startupFour or five beeps means that the ROM is probably bad and
Troubleshooting Symptom Charts/ Video - 48VideoScreen is black, but startup chime is present, drive operates, fan is running, and LED is lit1 Check v
Troubleshooting Symptom Charts/ Video - 49 Screen is black, there is no startup chime, and drive does not operate, but fan is running and power LED
Troubleshooting Symptom Charts/ Video - 50Startup chime is present and screen lights up, but screen is gray1 Power Macintosh G4 (PCI Graphics): Reset
Troubleshooting Symptom Charts/ Video - 51Distorted Video 1 Make sure that the video card driver and firmware are updated to the most recent versions
Take Apart Identifying Models of the Power Mac G4 - 3 expansion slots, instead of three slots on PCI/AGP Graphics/Gigabit Ethernet models.To further
Troubleshooting Symptom Charts/ Video - 52Screen jitter 1 Verify there are no environmental factors causing jitter.2 Check all cable connections.3 Ma
Troubleshooting Symptom Charts/ Sound - 5 3SoundNo sound from computer’s internal speaker1 Disconnect any microphones or external speakers.2 Verify t
Troubleshooting Symptom Charts/ Sound - 5 4No sound from Apple Pro Speakers when attached to a Power Mac G4 (Digital Audio/QuickSilvers) computer1 Pu
Troubleshooting Symptom Charts/ Hard Drive - 55Hard DriveSingle internal ATA hard drive does not spin; flashing question mark displays on screen1 Che
Troubleshooting Symptom Charts/ CD/DVD Drives - 56CD/DVD DrivesCD/DVD drive tray won’t open 1 Reseat the drive data and power cables on the back of t
Troubleshooting Symptom Charts/ Zip Drive - 57Zip DriveZip drive does not show up on desktop1 Check that the Zip drive shows up in Apple System Profi
Troubleshooting Symptom Charts/ Zip Drive - 58Zip disk ejects immediately after being inserted1 Replace the Zip disk with a known-good disk.2 Reseat
Troubleshooting Symptom Charts/ USB Devices - 59USB Devices At sta
Troubleshooting Symptom Charts/ USB Devices - 60No response to any key on keyboard1 Verify that keyboard and mouse connections are secure.2 Remove al
Troubleshooting Symptom Charts/ USB Devices - 61USB printer does not operate1 Verify that connections to the printer and computer are secure.2 Switch
Take Apart Tools - 4 Tools • Flatblade screwdriver• Phillips screwdriver• Allen wrench (2.5 mm) to remove the power supply, side panels, top and re
Troubleshooting Symptom Charts/ FireWire Devices - 62FireWire DevicesNo external FireWire device icon appears on the desktop1 Verify that the FireWir
Troubleshooting Symptom Charts/ Network Problems - 63Network ProblemsUnable to see any network devices or connection drops off line by itself1 Try a
Troubleshooting Symptom Charts/ Modem - 64ModemThe internal modem is not recognized1 Make sure the correct CCL and extension files are installed.2 Re
Troubleshooting Symptom Charts/ Modem - 65There is a dial tone, but the modem cannot dial out1 International only: Use the Modem Country Selector uti
Troubleshooting Symptom Charts/ Modem - 66Computer freezes when modem dials1 Mac OS 9: Extensions are in conflict or the Mac OS is corrupted. Enable
Troubleshooting Symptom Charts/ Modem - 67Modem cannot connect to remote access server or to ISP1 Verify the phone number of the server. Dial the num
Troubleshooting Symptom Charts/ Modem - 68Modem disconnects after a period of timeA timed disconnect setting is causing the modem to disconnect. Some
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Upgrades Power Mac G4 /Macintosh Server G4
Upgrades SDRAM DIMM - 1 Installation Procedures SDRAM DIMM Before you begin, open the side access panel.DIMM Slots
Upgrades SDRAM DIMM - 2 1. Align a DRAM DIMM in the DRAM slot so the notches line up with the ribs inside the slot.2. Push the DIMM down evenly unti
Take Apart Opening the Computer - 5 Procedures Opening the Computer No preliminary steps are required before you begin this procedure.
Upgrades SDRAM DIMM - 3 running Mac OS 9, you must press Option-S when restarting the computer. This ensures the customer will see the Setup Assista
Upgrades AirPort Card - 4 AirPort Card Before you begin, open the side access panel. Note: The following procedure applies to the Power Mac G4 (AGP
Upgrades AirPort Card - 5 1. If an adapter card is installed on the AirPort card, release the metal clip and remove the AirPort card from the adapte
Upgrades AirPort Card - 6 2. Insert the AirPort card, barcode side facing up, through the opening in the PCI card guide and into the connector on th
Upgrades AirPort Card - 7 will see the Setup Assistant (a movie and setup instruc-tions). If these keys are not pressed down each time a technician
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Exploded View Power Mac G4/Macintosh Server G4
Exploded View 1 Power Mac G4 (AGP Graphics) Logic Board,V.1 661-2251V.2 661-2302CPU Heatsink Kit076-0803Processor Module350 MHz 661-2278400 MHz 66
Exploded View 2Front Panel922-3973 Left Side Panel922-3974Right Side Access Panel 922-3975I/O PanelCover922-3978Lower Front Panel 922-3980Lower R
Exploded View 3Computer Power Cord922-3964CablesCable Modem, Phone Ice 922-3963AdapterMac to VGA 922-3764 Front PanelCable (Flat Gray) 922-4046Ultr
Exploded View 4 Power Mac G4 (Gigabit Ethernet) Logic Board,w/Gigabit Ethernet661-2331CPU Heatsink Kit076-0803CPU Heatsink Kit,Dual Procesor076-08
Take Apart Opening the Computer - 6 1. Lift the latch to unlock the right side access panel. Note: Make sure the security bar is in the unlock pos
Exploded View 5Front Panel922-3973 Left Side Panel922-3974Right Side Access Panel 922-3975I/O PanelCover922-3978Lower Front Panel 922-3980Lower R
Exploded View 6Computer Power Cord922-3964CablesCable Modem, Phone Ice 922-3963Front PanelCable (Flat Gray) 922-4046Ultra 160 SCSI Cable 922-4274ID
Exploded View 7 Power Mac G4 (Digital Audio) Logic Board661-2397CPU Heatsink Kit076-0822076-0823Processor Module466 MHz 661-2402 533 MHz 661-2403
Exploded View 8Front Panel922-3973 Left Side Panel922-3974Right Side Access Panel 922-3975I/O PanelCover922-4335Lower Front Panel 922-3980Lower R
Exploded View 9Computer Power Cord922-4301CablesCable Modem, Phone Ice 922-3963Front PanelCable (Flat Gray) 922-4046Ultra 160 SCSI Cable 922-4274ID
Exploded View 10 Power Mac G4 (QuickSilver) Logic Board661-2503CPU Heatsink Kit076-0823076-0884Processor Module733 MHz 661-2505867 MHz 661-250680
Exploded View 11Front Panel922-4566 Left Side Panel922-4567Right Side Access Panel 922-4568I/O PanelCover922-4571Lower Front Panel 922-4576Lower
Exploded View 12Computer Power Cord922-4301CablesCable Modem, Phone Ice 922-3963Front PanelCable (Flat Gray) 922-4561Ultra 160 SCSI Cable 922-4274I
Exploded View 13 Power Mac G4 (QuickSilver 2002) Logic Board661-2606CPU Heatsink Kit076-0901076-0902Processor Module800 MHz 661-2624933 MHz 661-2
Exploded View 14Front Panel922-4566 Left Side Panel922-4567Right Side Access Panel 922-4568I/O PanelCover922-4571Lower Front Panel 922-4576Lower
Take Apart Video Card - 7 Video Card Before you begin, do the following: • Open the side access panel.• Remove the external video cable. Note: Th
Exploded View 15Computer Power Cord922-4301CablesCable Modem, Phone Ice 922-3963Front PanelCable (Flat Gray) 922-4561Ultra 160 SCSI Cable 922-4274I
Exploded View 16 Power Mac G4 (PCI Graphics) Panel Latch 922-4134Jumper Block Kit350 MHz 076-0760400 MHz 076-0758Logic Board 661-2253Mode
Exploded View 17 ZIP Bezel922-3966Blank Bezel922-3965CD/DVDDoor Frame922-3967Front Panel922-3973 Left Side Panel922-3974Right Side Acce
Exploded View 18Computer Power Cord922-3964CablesCable Modem, Phone Ice 922-3963AdapterMac to VGA 922-3764 FireWireCable Unshielded 922-3751 Front
Basics Product Description - 1 | Overview Product Description The Power Mac G4 is the first Power Mac computer based on the PowerPC G4 processor. So
Take Apart Video Card - 8 1. Remove the video card mounting screw. 2. If a plastic clip sur-rounds the video card connector, gently p ull back the c
Take Apart Video Card - 9 Replacement Note: If the replacement card does not have a fence already installed, attach the fence enclosed in the box.
Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 10 Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers Note
Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 11 Warning: Use care when disconnecting or connecting the modem to the
Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 12 3. Disconnect the modem filter cable from the modem.4. Remove the mo
Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSi
Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers 1. Remove the screw that secures the modem filter to the I/O pane
Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers 2. Free the modem filter cable from the chassis guides and remove
Take Apart Modem, PCI Graphics - 16 Modem, PCI Graphics Before you begin, open the side access panel. Warning: Use care when disconnecting or conne
Take Apart Modem, PCI Graphics - 17 1. Remove the screw (located next to the modem port) that secures the modem to the I/O panel.2. Remove the screw
Basics Identifying Versions of the Power Mac G4 - 2 Identifying Versions of the Power Mac G4 There are six models of Power Mac G4 computers: AGP Gra
Take Apart Modem, PCI Graphics - 18 3. Carefully disconnect the flexible modem cable from the logic board. Important: The modem cable is very f
Take Apart Modem, PCI Graphics - 19 5. With a jeweler’s screwdriver, pry up the metal tabs on the top shield.6. Carefully disconnect the flexible mo
Take Apart Modem, PCI Graphics - 20 7. Remove the screw securing the modem to the bottom shield.
Take Apart Modem, PCI Graphics - 21 8. Note: There are two tiny metal tabs on the inside of the bottom shield. The modem rests on these tabs so it
Take Apart Modem, PCI Graphics - 22 9. Carefully spread the sides of the bottom shield out just enough so the modem clears the tabs, and starts to f
Take Apart FireWire Board, PCI Graphics - 23 FireWire Board, PCI Graphics Note: The FireWire board is used only in Power Mac G4 (PCI Graphics) comp
Take Apart FireWire Board, PCI Graphics - 24 1. Remove the screw securing the FireWire board to the I/O panel.2. Remove the screw that secures the F
Take Apart Processor Fan, Power Mac G4 (QuickSilvers) - 25 Processor Fan, Power Mac G4 (QuickSilvers) Before you begin, open the side access panel.
Take Apart Processor Fan, Power Mac G4 (QuickSilvers) - 26 1. Disconnect the processor fan cable from the logic board.2. Remove the two fan mounting
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 27 Processor Module, Power Mac G4 (QuickSilvers) Before you begin, do the following:• Ope
Basics New Technologies - 3 To identify the other Power Mac G4 models, check the I/O panel at the back of the computer. The sound ports align horizo
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 28 1. For single processors: Release the right heat-sink clip by pressing down on the top
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 29 2. For dual processors: Release the right heat-sink clip by pressing down on the top o
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 30 3. Remove both clips and lift the heatsink off the processor module. ± Warning: When
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 31 ± Warning: Double-check that the computer is turned off before performing this proce
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 32 5. To disconnect the processor from the logic board, hold it by the long edges, gently
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 33 conducting screw is loose, arcing can occur, damaging the processor. Important: If yo
Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 34 Important: If you are replacing the processor module, you must also transfer the repl
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 35 Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio Before y
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 36 1. While pressing down on the top of the heatsink clip, use a small fl
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 37 3. Remove the processor mounting screws.4. To disconnect the processor
Basics Standard Configurations - 4 | Features Standard Configurations Processor • 350 MHz,400 MHz, 450 MHz, 466 MHz, 500 MHz, 533 MHz, 733 MHz, 800 M
Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 38 Important: If you are replacing the processor module, you must also t
Take Apart Processor Module, PCI Graphics - 39 Processor Module, PCI Graphics Before you begin, open the side access panel. Note: The Power Mac G4
Take Apart Processor Module, PCI Graphics - 40 1. Remove the screw that attaches the heatsink ground wire to the logic board. ± Warning: The heat
Take Apart Processor Module, PCI Graphics - 41 3. Remove the heatsink clip and lift the heatsink off the processor module. 4. Lift the lever to rele
Take Apart Processor Module, PCI Graphics - 42 5. Holding the processor by the edges, gently lift it straight up to disconnect it from the logic boa
Take Apart Processor Module, PCI Graphics - 43 6. Remove the warranty sticker and jumper block only if you are replacing the logic board.White jumpe
Take Apart Processor Module, PCI Graphics - 447. Install the jumper block with the gold connector pins facing toward the board. Be sure the pins are
Take Apart Processor Module, PCI Graphics - 45Replacement Note: Position the processor module over the slot, seat it evenly, and press down gently on
Take Apart Processor Module, PCI Graphics - 46Important: If you are replacing the processor module, you must also transfer the replacement module’s c
Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 47Logic Board, Power Mac G4 (QuickSilvers)Before you begin, open the side access panel and remo
Basics Standard Configurations - 5 simultaneous 32-bit data streams• L2 or L3 cache• 100-MHz system bus (PCI Graphics/AGP Graphics/Gigabit Ethernet)
Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 48will destroy the processor. 1. Disconnect all cables from the logic board.2. Using a Phillips
Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 494. Slide the logic board away from the I/O panel to clear the board guides.5. Tilt the logic
Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 50Logic Board, AGP Graphics/Gigabit Ethernet/Digital AudioBefore you begin, ope
Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 51procedure, the steps for removing the board are the same. 1. Disconnect all c
Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 524. Slide the logic board away from the I/O panel to clear the board guides.5.
Take Apart Logic Board, PCI Graphics - 53Logic Board, PCI GraphicsBefore you begin, open the side access panel and remove the following:• video card•
Take Apart Logic Board, PCI Graphics - 541. Disconnect all cables from the logic board.2. Using a Phillips screwdriver, remove the logic board mounti
Take Apart Logic Board, PCI Graphics - 554. Tilt the logic board so that the ports clear the openings in the I/O panel.5. Lift the board out of the c
Take Apart Logic Board, PCI Graphics - 56new warranty sticker, which comes with the replacement logic board. See the Take Apart topic “Processor Modu
Take Apart SDRAM DIMM - 57SDRAM DIMMBefore you begin, open the side access panel.
Basics Standard Configurations - 6 Storage • One of the following hard drives: 10, 13, 20, 27, 30, 40, 60, or 80 GB Ultra ATA • One of the followin
Take Apart SDRAM DIMM - 581. Push down on the connector clips to unlock the DIMM.2. Holding the DIMM by both top corners, lift straight up out of the
Take Apart Hard Drive, IDE /ATA - 59Hard Drive, IDE /ATABefore you begin, open the side access panel.Note: The Power Mac G4 supports a total of thre
Take Apart Hard Drive, IDE /ATA - 60with the ID number already assigned to another drive. One factory-installed drive has ID 0; a second factory-inst
Take Apart Hard Drive, IDE /ATA - 611. Disconnect the Ultra ATA hard drive data cable and the hard drive power cable (P3) from the hard drive.
Take Apart Hard Drive, IDE /ATA - 622. Remove the hard drive carrier mounting screw.3. Pull the drive carrier back and lift up at an angle to release
Take Apart Hard Drive, IDE /ATA - 635. If you’re returning the drive to Apple, remove the screws that mount the hard drive to the carrier.6. Lift the
Take Apart Hard Drive, IDE /ATA - 64Replacement Note: To install two drives in the U-shaped carrier, install the first drive in the bottom of the car
Take Apart Hard Drive, IDE /ATA - 65Replacement Note: When reconnecting a dual-drive ATA cable to drives installed in a U-shaped carrier, be sure to
Take Apart Hard Drive, Ultra2 LVD SCSI - 66Hard Drive, Ultra2 LVD SCSIBefore you begin, open the right side access panel.Note: This computer supports
Take Apart Hard Drive, Ultra2 LVD SCSI - 67this cable has a built-in terminator so you don’t need to add one. You can connect external Ultra2 LVD SCS
Basics Standard Configurations - 7 Graphics Support • Video card installed in a dedicated graphics slot (either a PCI slot or an AGP slot)• Support
Take Apart Hard Drive, Ultra2 LVD SCSI - 68You must assign a SCSI ID number to every additional hard drive and the number must not conflict with the
Take Apart Hard Drive, Ultra2 LVD SCSI - 691. Disconnect the Ultra2 LVD SCSI cable from the Ultra2 LVD SCSI card.
Take Apart Hard Drive, Ultra2 LVD SCSI - 702. Disconnect the SCSI hard drive power cable (P5). Caution: Pull the SCSI power cable straight out of the
Take Apart Hard Drive, Ultra2 LVD SCSI - 714. Remove the hard drive carrier mounting screw.5. Pull the drive carrier back and lift up at an angle to
Take Apart Hard Drive, Ultra2 LVD SCSI - 727. If you’re returning the drive to Apple, remove the SCSI data cable and terminator (black plastic housin
Take Apart Hard Drive, Ultra2 LVD SCSI - 738. If you’re returning the drive to Apple, you must also remove the hard drive carrier. Remove the four sc
Take Apart Hard Drive, Ultra2 LVD SCSI - 749. If you’re replacing the thermal pad on the drive, remove the old pad and apply the new pad to the same
Take Apart Ultra2 LVD SCSI Card - 75Ultra2 LVD SCSI CardBefore you begin, open the side access panel.
Take Apart Ultra2 LVD SCSI Card - 761. Remove the Ultra2 LVD SCSI card mounting screw. 2. Disconnect the Ultra2 LVD SCSI cable from the PCI card. Not
Take Apart Carrier Support Plate - 77Carrier Support PlateNote: Perform this procedure only if you must replace the support plate or the cables below
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