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34 Maintaining and Troubleshooting the Gateway ALR 7300 Server
Clear CMOS jumper
The Clear CMOS jumper (JP15) lets you clear all current values in
complimentary metal-oxide semiconductor (CMOS) memory (see “System
Board Components” on page 14 for the location of the jumper). CMOS
memory stores all of the BIOS Setup information and settings. Clearing the
CMOS memory restores all setup values to the original system defaults.
A jumper shunt connecting pins 1 and 2 sets the jumper for normal
operation. A jumper shunt connecting pins 2 and 3 sets the jumper to clear
the CMOS memory at the next system boot.
1. Restart the server and press
F
2
to enter the BIOS Setup utility.
2. Write down the current BIOS configuration settings for later
reference.
3. Turn off the system and disconnect the power cord.
4. Open the case (“Opening the system” on page 3), observing the static
electricity precautions in “Static electricity precautions” on page 2.
5. Move the jumper shunt on the Clear CMOS jumper (JP15) to connect
pins 2 and 3.
6. Reconnect the power cord and turn on the system. Wait until the
system boots and you see the message that confirms the CMOS
memory has been cleared.
7. Turn off the system again and disconnect the power cord.
8. Move the jumper shunt on the Clear CMOS jumper (JP15) back to its
normal position connecting pins 1 and 2.
9. Close the case, as described in “Closing the system” on page 8.
10. Reconnect the power cord and turn on the system.
Clearing the CMOS memory clears all passwords and all configuration
settings. You must reset any necessary values in BIOS Setup after you clear
CMOS memory.
To Clear CMOS Memory
Important!
If the error message
“update table not found for
CPUxx, Stepping xxxx”
displays at boot up, run the
MULOADER utility located
on the disk included with
your processor kit. This
message may occur under
the following conditions:
When a new processor has
been added that does not
include the stepping
information in the table.
When the BIOS is flashed,
it may remove the stepping
information form the table
which will cause the error
message to appear.
4075.book Page 34 Friday, April 2, 1999 9:26 AM