Contents 7
System Battery. . . . . . . . . . . . . . . . . . . . . . 108
Replacing the System Battery . . . . . . . . . . . 108
Activating the NIC TOE . . . . . . . . . . . . . . . . . 110
I/O Riser . . . . . . . . . . . . . . . . . . . . . . . . . 110
Removing the I/O Riser . . . . . . . . . . . . . . . 110
Installing the I/O Riser . . . . . . . . . . . . . . . 111
Installing a DRAC . . . . . . . . . . . . . . . . . . . . 112
SAS Backplane (Service-only Procedure) . . . . . . . 114
Removing the SAS Backplane (3.5" Hard Drives) . 114
Installing the SAS Backplane (3.5-inch Hard Drives) 116
Removing the SAS Backplane (2.5-inch Hard Drives) 116
Installing the SAS Backplane (2.5" Hard Drives) . . 119
Power Interposer Board (Service-only Procedure) . . 119
Removing the Power Interposer Board . . . . . . 119
Installing the Power Interposer Board. . . . . . . 121
System Board (Service-only Procedure) . . . . . . . . 122
Removing the System Board . . . . . . . . . . . . 122
Installing the System Board . . . . . . . . . . . . 124
4 Troubleshooting Your System . . . . . . . . 127
Safety First—For You and Your System. . . . . . . . . 127
Start-Up Routine . . . . . . . . . . . . . . . . . . . . . 127
Checking the Equipment . . . . . . . . . . . . . . . . 128
Troubleshooting IRQ Assignment Conflicts . . . . 128
Troubleshooting External Connections . . . . . . 129
Troubleshooting the Video Subsystem. . . . . . . 129
Troubleshooting the Keyboard . . . . . . . . . . . 130