User`s guide

4 - Xserve Troubleshooting
General Information
Block Diagram
Ethernet Port
Firewire Port 1
Firewire Port 2
PCI Slots
Network Card Slot
L3 Cache
PowerPC G4
Microprocessor
U2
memory
controller
and PCI
bus bridge
Ethernet
PHY
Firewire
PHY
USB Port 1
USB Port 2
DIMM Slots
Main Logic Board
Processor Module

Boot
ROM
ATA
Interface
ATA
Interface
Firewire
PHY
Firewire Port 3
PCI
Bridge
PCI
Bridge
U2
Memory
Controller
and PCI
Bus Bridge
Apple Drive Module
Connectors
Internal Optical
Drive Connector
EIDE
Bus
Serial Port
PMU99
Power
Controller
KeyLargo
I/O Device
and Disk
Controller