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Clearing CMOS
Replacing the battery
3.
Move the JROM1 jumper to the alternate position (pins 1 and 2) to enable the
BIOS recovery mode.
4.
Reinstall the side cover, see "Installing the cover" on page 59.
5.
Reconnect all external cables and power cords and turn on the peripheral devices.
6.
Insert the BIOS flash diskette in the diskette drive.
7.
Restart the server. The BIOS begins the power-on self-test.
8.
Select 1 - Update POST/BIOS from the menu that contains various flash (update)
options.
9.
When prompted as to whether you want to save the current code to a diskette,
select N.
10. When prompted to choose a language, select a language (from 0 to 7) and press
Enter to accept your choice.
11. Do not restart your server at this time.
12. Remove the BIOS flash diskette from the diskette drive.
13. Turn off the server and peripheral devices and disconnect all external cables and
power cords; then, remove the side cover, see "Removing the side cover" on page
40.
14. Move the JROM1 jumper to the normal position (pins 2 and 3) to return to normal
startup mode.
15. Reinstall the side cover, see "Installing the cover" on page 59.
16. Reconnect all external cables and power cords and turn on the peripheral devices.
17. Restart the server, which should start up normally.
If you need to erase configuration information, you must move the CMOS jumper. See
the illustration in "Recovering BIOS" on page 14 for the location of the CMOS jumper.
The default position is a jumper installed on pins 1 and 2. Before you change the
position of this jumper, you must turn off the server and peripheral devices, and
disconnect all external cables and power cords. Remove the cover and then move the
jumper to pins 2 and 3.
After moving the jumper, wait at least 5 minutes for the CMOS information to clear.
Changing the position of this jumper erases all configuration and setup information,
including the power-on and administrator passwords. Therefore, you must
reconfigure the server after clearing CMOS memory (see "Chapter . Configuring the
server," on page 29). If possible, record your server configuration information before
moving the CMOS jumper.
After you clear the CMOS information, move the jumper back to its normal position
(pins 1 and 2). Reconnect the external cables and power cords; then, turn on the
peripheral devices and the server.
When replacing the battery, you must replace it with a lithium battery of the same
type from the same manufacturer. To avoid possible danger, read and follow the
safety statement below.
15
Diagnostics
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