IBM 3301690, User Manual

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3301690 CPU Card
The 3301690 CPU Board has one onboard jumper. The jumper is described in Table
3-22 .
Label Purpose pe
J_CMOS1 Reset CMOS Resets the CMOS 3-pin
Table 3-22: Jumpers
3.4.1 Reset CMOS Jumper
Jumper Label: J_CMOS1
Jumper Type: 3 pin header
Jumper Settings: See Table 3-23
Jumper Location: See Figure 3-22
If the CPU Card fails to boot due to improper BIOS setting, use this jumper to clear the CMOS
data and reset the system BIOS information. To do this, use the jumper cap to close pins 2
and 3 for a few seconds then reinstall the jumper clip back to pins 1 and 2.
If the “CMOS Settings Wrong” message displays during the boot up process, you may then
try to correct the fault by pressing the F1 to enter the CMOS Setup menu. You may then do
one of the following:
„
Enter the correct CMOS setting
„
Load Optimal Defaults
„
Load Failsafe Defaults.
After you have done one of the above, save your changes and exit the CMOS Setup menu.
JP1 CLEAR CMOS
1-2 closed Normal (default)
2-3 closed CLEAR CMOS
Table 3-23: J_CMOS1 Jumper Settings
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