Service Guide

System Utilities
Intel® Workstation System SC5650SCWS Service Guide 29
Clearing the CMOS
If you cannot access the BIOS setup screens, you must use the CMOS Clear jumper to reset the configuration
RAM. The CMOS Clear jumper is located on jumper block J2C1.
Figure 17. CMOS Clear Jumper
1. Power down the workstation and unplug the AC power cord.
2. Open the workstation chassis. For instructions, see your workstation chassis documentation.
3. Move the jumper (J2C1) from the default operating position (covering pins 1 and 2) to the reset/clear
position (covering pins 2 and 3).
4. Wait 5 to 10 seconds.
5. Move the jumper back to default position, covering pins 1 and 2.
6. Close the workstation chassis and reconnect the AC power cord.
7. Power up the workstation.
The CMOS is now cleared and you can reset it by going into the BIOS setup.