8Contents
Troubleshooting the System Battery. . . . . . . . . . 100
Troubleshooting Power Supplies . . . . . . . . . . . 101
Troubleshooting System Cooling Problems. . . . . . 102
Troubleshooting a Fan . . . . . . . . . . . . . . . . . 102
Troubleshooting System Memory . . . . . . . . . . . 103
Troubleshooting a Hard Drive . . . . . . . . . . . . . 105
Troubleshooting a Storage Controller. . . . . . . . . 106
Troubleshooting Expansion Cards. . . . . . . . . . . 107
Troubleshooting Processors. . . . . . . . . . . . . . 108
IRQ Assignment Conflicts . . . . . . . . . . . . . . . 109
Troubleshooting Changes in BIOS Settings. . . . . . 110
Collecting System Event Log for Investigation . . . . 110
5 Jumpers and Connectors. . . . . . . . . . . . 111
System Board Connectors . . . . . . . . . . . . . . . 111
Jumper Settings . . . . . . . . . . . . . . . . . . . . 112
System Configuration Jumper Settings. . . . . . 112
Backplane Jumper Settings . . . . . . . . . . . . . . 114
Backplane Connectors. . . . . . . . . . . . . . . . . 115
3.5-Inch Hard Drives . . . . . . . . . . . . . . . 115
2.5-Inch Hard Drives . . . . . . . . . . . . . . . 116
Power Distribution Board . . . . . . . . . . . . . . . 118
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