Apple Power Mac G4 - Page 201

Troubleshooting General/ Block Diagrams - 3
Power Mac G4 (AGP Graphics) Block Diagram
100 MHz
memory bus
100 MHz
Max bus
Microphone jack
Headphone jack
Ethernet port
Firewire port
Firewire port
32-bit
66 MHz
PCI bus
AGP
2x slot
AGP 2x bus
PCI slots
64-bit
33 MHz
PCI bus
Backside
L2 cache
PowerPC G4
microprocessor
UniNorth
memory
controller
and PCI
bus bridge
PMU99
power
controller
Boot
ROM
Ethernet
PHY
Firewire
PHY
Ethernet
controller
Firewire
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
connector
Wireless
LAN slot