Apple power mac g4 gigabit ethernet User Manual
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Take ApartLeft Side Panel - 169 2. Open the side access panel. 3. Remove the fan screws and drop the fan bracket down to access the plastic panel tabs (protruding through the side chassis) on the left side panel.
Take ApartLeft Side Panel - 170 4. Using a needlenose pliers, squeeze the tabs (located behind the fan bracket) to release the left side panel from the metal chassis. 5. Lift the left side panel from the chassis.
Take ApartI/O Panel, PCI Graphics - 171 I/O Panel, PCI Graphics Note: The I/O panel can be removed only in Power Mac G4 (PCI Graphics) computers. The I/O panel in Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver/ QuickSilver 2002) is part of the chassis. Before you begin, do the following: ¥ Open the side access panel. ¥ Remove the logic board.
Take ApartI/O Panel, PCI Graphics - 172 1. Remove the two mounting screws on the I/O panel.
Take ApartI/O Panel, PCI Graphics - 173 2. Tilt the I/O panel forward and remove.
Take ApartI/O Panel Cover - 174 I/O Panel Cover Before you begin, do the following: ¥ Open the side access panel. ¥ Remove the logic board. ¥ Power Mac G4 (PCI Graphics): Remove the I/O panel.
Take ApartI/O Panel Cover - 175 Note: Because the I/O panel cover can be difficult to remove, take your time prying up the plastic tabs. 1. Using a jewelerÕs screwdriver and working from right to left, carefully pry the plastic tabs away from the metal frame. As each tab is released, pull the I/O cover away from the frame. 2. Remove the I/O panel cover from the chassis.
Service Source K © 2002 Apple Computer, Inc. All rights reserved. Troubleshooting Power Mac G4/ Macintosh Server G4
TroubleshootingGeneral/Block Diagrams - 1 General Block Diagrams Power Mac G4 (QuickSilvers/Digital Audio) Block Diagram 133 MHz memory bus133 MHz Max bus Headphone jack Apple speaker mini-jackEthernet port Firewire port Firewire port AGP 4x slot 66 MHz AGP bus PCI slots 64-bit 33 MHz PCI bus Backside L3 cachePowerPC G4 microprocessor L2 cache : 256K 1:1 UniNorth memory controller and PCI bus bridge PMU99 power controller Boot ROM Ethernet PHY Firewire PHY Tumbler audio Modem slot USB port A USB port B SDRAM DIMM slots Internal CD or DVD connector KeyLargo I/O device and disk controller Internal Zip drive connector Internal hard drive connectors Main Logic Board Processor Module EIDE bus Ultra ATA bus Internal speaker connectorWireless LAN slot
TroubleshootingGeneral/Block Diagrams - 2 Power Mac G4 (Gigabit Ethernet) Block Diagram 100 MHz memory bus100 MHz Max bus Microphone jack Headphone jack Ethernet port Firewire port Firewire port 32-bit 66 MHz PCI busAGP 2x slot AGP 2x bus PCI slots 64-bit 33 MHz PCI bus Backside L2 cachePowerPC G4 microprocessor UniNorth memory controller and PCI bus bridge PMU99 power controller Boot ROM Ethernet PHY Firewire PHYFirewire controller Screamer sound IC Modem slot USB port A USB port B SDRAM DIMM slots Internal DVD-ROM connector KeyLargo I/O device and disk controller Internal Zip drive connector Internal hard drive connectors Main Logic Board Processor Module PCI-PCI bus bridge ATA bus Ultra ATA bus Internal speaker connectorWireless LAN slot