IBM xSeries 300, Hardware Maintenance Manual

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2. Locate jumper JROM1 on the system board.
3. Move the JROM1 jumper to the alternate position (pins 1 and 2) to enable the
BIOS recovery mode.
4. Reinstall the cover, see “Installing the cover” on page 53.
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. The BIOS flash utility automatically starts.
9.
When prompted as to whether you want to save the current code to a
diskette, type N.
10. When prompted, type Y to continue the flash process.
11. The system automatically starts the flash utility a second time.
12. When prompted as to whether you want to save the current BIOS code, stop
the process by removing 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 cover, see “Removing the cover” on
page 38.
14.
Move the JROM1 jumper to the normal position (pins 2 and 3) to return to
normal startup mode.
15. Reinstall the cover, see “Installing the cover” on page 53.
16.
Reconnect all external cables and power cords and turn on the peripheral
devices.
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Hardware Maintenance Manual: xSeries 300