Intel SE7520BD2 User Guide - Page 45

Clearing the CMOS

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Server Utilities Clearing the CMOS If you are not able to access the BIOS setup screens, the Clear CMOS jumper will need to be used to reset the configuration RAM. The Clear CMOS jumper is located on jumper block J2H1. 1. Power down the system and disconnect the AC power. 2. Open the server. 3. Move the jumper from pins 1 and 2 to the Force Erase position, covering pins 2 and 3, as shown in the following diagram. CMOS CLR B 3 J2H1 Figure 14. Clear CMOS Jumper TP00903 4. Reconnect the AC power, power up the system. 5. When the system begins beeping, power it down and disconnect the AC power. 6. Return the CMOS Clear jumper to cover pins 1 and 2. 7. Close the server chassis, reconnect the AC power and power up the system. 45

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Server Utilities
45
Clearing the CMOS
If you are not able to access the BIOS setup screens, the Clear CMOS jumper will need to be used
to reset the configuration RAM. The Clear CMOS jumper is located on jumper block J2H1.
1.
Power down the system and disconnect the AC power.
2.
Open the server.
3.
Move the jumper from pins 1 and 2 to the Force Erase position, covering pins 2 and 3, as
shown in the following diagram.
TP00903
3
CMOS
CLR
J2H1
B
Figure 14. Clear CMOS Jumper
4.
Reconnect the AC power, power up the system.
5.
When the system begins beeping, power it down and disconnect the AC power.
6.
Return the CMOS Clear jumper to cover pins 1 and 2.
7.
Close the server chassis, reconnect the AC power and power up the system.