Solving Problems
81
Clearing the CMOS
If you are not able to access the BIOS setup screens, the CMOS Clear jumper will need to be used
to reset the configuration RAM. The CMOS Clear jumper is located on jumper block J32 on the
SE7501CW2 board.
1. Power down the system and disconnect the AC power.
2. Open the server.
3. Move the jumper from the spare location at pins 9 and 10 to the Clear CMOS position,
covering pins 5 and 6 as indicated in the following diagram.
TP00098
Main Power
J32
6
5
8
7
2
1
4
3
10
9
Figure 27. CMOS Recovery Jumper
4. Reconnect the AC power, power up the system.
5. Power down the system and disconnect the AC power.
6. Return the CMOS Clear jumper to the spare location, covering pins 9 and 10.
7. Close the server chassis.
