Contents vii
Replacing a Fan Connector Board 4-27
Replacing the Front Panel Indicator Board 4-30
Replacing the Front I/O Board 4-32
Replacing the Graphics Redirect and Service Processor (GRASP) Board 4-38
Replacing a Hard Disk Drive 4-40
Replacing a Hard Disk Drive Backplane 4-43
Replacing Memory Modules (DIMMs) 4-48
Replacing the Motherboard 4-52
Replacing PCI Cards 4-61
Replacing a Power Supply 4-65
Replacing the Power Distribution Board 4-67
Replacing the Rear Fan Tray 4-72
A. System Specs A-1
Sun Fire X4100 Specifications A-1
Sun Fire X4200 Specifications A-3
B. BIOS POST Codes B-1
Power-On Self-Test (POST) B-1
How BIOS POST Memory Testing Works B-2
Redirecting Console Output B-2
Changing POST Options B-3
POST Codes B-5
POST Code Checkpoints B-7
C. Status Indicator LEDs C-1
External Status Indicator LEDs C-1
Internal Status Indicator LEDs C-5
D. Connector Pinouts D-1