Apple Power Mac G4 - Troubleshooting Guides; System Block Diagrams and Self-Tests

Troubleshooting General/ Block Diagrams - 1
General
Block Diagrams
Power Mac G4 (QuickSilvers/Digital Audio) Block Diagram
133 MHz
memory bus
133 MHz
Max bus
Headphone jack
Apple speaker
mini-jack
Ethernet port
Firewire port
Firewire port
AGP
4x slot
66 MHz AGP bus
PCI slots
64-bit
33 MHz
PCI bus
Backside
L3 cache
PowerPC 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
connector
Wireless
LAN slot
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