IBM IntelliStation M Pro 6225, User Manual

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4. Remove the cover.
5. Locate the boot block recovery jumper (J1) on the system board. The following
illustration shows the location of the boot block jumper on the system board.
Boot Block Jumper (J1)
Boot Block
(Recover)
(No Jumper)
Default
(pins 1 and 2)
3 2 1 3 2 1
Clear CMOS Jumper (JBAT1)
Recover Default
3 2 1 3 2 1
IEEE 1394 ( Firewire )
enable / disable jumper
Disable Default
3 2 1 3 2 1
6. Remove the boot block recovery jumper from pins 1 and 2.
7. Replace any adapters that were removed; then, replace the cover.
8. Connect the computer to a power source, keyboard, monitor, and mouse.
9. Insert the POST/BIOS update (flash) recovery diskette or CD into the diskette
drive or CD-ROM drive.
10. Turn on the computer and the monitor.
11. After the update session is completed, turn off the computer and monitor.
12. Remove the diskette or CD from the diskette drive or CD-ROM drive.
13. Disconnect all power cords; then, remove the computer cover.
14. Return the boot block recovery jumper to pins 1 and 2.
15. Replace the computer cover; then, reconnect all external cables and power
cords and turn on the peripheral devices.
16. Turn on the computer to restart the operating system.
Erasing a lost or forgotten password (clearing CMOS)
This section applies to lost or forgotten passwords. More information about lost or
forgotten passwords is available in Access IBM.
Chapter 5. Solving problems
85