IBM System x3650 Type 7979 Problem Determination And Service Manual page 85

3. Locate the boot block recovery jumper block (J42) on the system board.
Boot block
recovery jumper
(J42)
Switch block
(SW2)
4. Move the jumper from pins 1 and 2 to pins 2 and 3 to enable the BIOS
recovery mode.
5. Insert the BIOS recovery diskette into the diskette drive.
6. Reinstall the server cover; then, reconnect all power cords.
7. Restart the server. The power-on self test (POST) starts.
8. Select 1 - Update POST/BIOS from the menu that contains various flash
update options.
9. When you are asked whether you want to save the current code to a diskette,
press N.
10. When you are asked to choose a language, select a language (from 0 to 7)
and press Enter.
11. Remove the BIOS recovery diskette from the diskette drive.
12. Turn off the server, and disconnect all power cords and external cables; then,
remove the server cover.
13. Remove the jumper from the boot block recovery jumper block, or move it to
pins 1 and 2, to return to normal startup mode.
14. Reconnect all external cables and power cords, and turn on the peripheral
devices; then, reinstall the server cover.
15. Restart the server.
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Chapter 2. Diagnostics