8Contents
Troubleshooting a NIC . . . . . . . . . . . . . . . . . 112
Troubleshooting a Wet System. . . . . . . . . . . . . 113
Troubleshooting a Damaged System. . . . . . . . . . 114
Troubleshooting the System Battery . . . . . . . . . . 114
Troubleshooting Power Supplies . . . . . . . . . . . 115
Troubleshooting System Cooling Problems . . . . . . 116
Troubleshooting a Fan . . . . . . . . . . . . . . . . . 116
Troubleshooting System Memory . . . . . . . . . . . 117
Troubleshooting a Hard Drive . . . . . . . . . . . . . 119
Troubleshooting a Storage Controller . . . . . . . . . 120
Troubleshooting Expansion Cards . . . . . . . . . . . 121
Troubleshooting Processors . . . . . . . . . . . . . . 122
IRQ Assignment Conflicts . . . . . . . . . . . . . . . 123
Troubleshooting Changes in BIOS Settings . . . . . . 124
5 Jumpers and Connectors. . . . . . . . . . . . 125
Jumper Settings . . . . . . . . . . . . . . . . . . . . 125
System Configuration Jumper Settings. . . . . . 125
Backplane Jumper Settings . . . . . . . . . . . . . . 126
System Board Connectors . . . . . . . . . . . . . . . 127
Backplane Connectors. . . . . . . . . . . . . . . . . 129
Power Distribution Board Connectors. . . . . . . . . 131
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