Recovering BIOS
Recovering BIOS
If your BIOS has become corrupted, such as from a power failure update, you can recover your BIOS using the recovery boot block an diskette.
Note: You can obtain a BIOS flash diskette from one of the following
Ÿ Use the ServerGuide program to make a BIOS flash diskette.
ŸDownload a BIOS flash diskette from the World Wide Web. Go
http://www.pc.ibm.com/support/, select IBM Server Support, and ma the selections for your server.
ŸContact your IBM service representative.
The flash memory of your server contains a protected area that can overwritten. The recovery boot block is a section of code in this p enables the server to start up and to read a flash diskette. The automatically recovers the system BIOS from the BIOS recovery files diskette.
To recover the BIOS:
1.See “Preparing to Install Options” on page 43 through “Preparing a Model” on page 44 or through “Preparing a Rack Model” on page 46
instructions on powering off the | server and removing the cover. The |
the | your server for the location of |
block. |
|
2. Locate switch 5 (see “System Board Switches” on page 170).
3. Set switch 5 on the switch block to On, to set boot block recove
4. Insert the BIOS flash diskette in the diskette drive.
5. Restart the server.
Nothing | appears on the display monitor, | but | the diskette drive | act | ||
that | BIOS | recovery | is under way. Recovery is complete when the | |||
beeps | and | the Post | Complete light on | the | operator LED panel is | on. |
6. Remove the flash diskette from the diskette drive.
7. Turn the server off.
8. Set switch 5 to Off, to return to normal startup mode.
9. Restart the server. The system should start up normally.
Chapter 6. Solving Problems 157
