Enabling BIOS Recovery Mode (J6A1) (Netfinity 7000 - 8651)
Enabling BIOS Recovery Mode (J6A1)
The flash memory contains a protected area that cannot be
corrupted. The code in this area enables the server to
start from a diskette when the BIOS becomes corrupted,
for example, if a power failure occurs during a flash
update. After starting, the Flash Memory Update Utility
automatically recovers the system BIOS from the BIOS
recovery files on the diskette.
NOTE:
- The BIOS recovery jumper, J6A1, must be set to pins
2 and 3 to enable the BIOS flash memory recovery mode.
- If you have mapped the BIOS of an adapter to any
part of the E0000H address range, you must either
map it to another area before completing a recovery
procedure, or physically remove the adapter from the system.
- Before you run the recovery procedure, verify that the
BIOS write jumper, J6A4, is set to its default position
at pins 2 and 3.
To recover the BIOS:
- Power-off the server and peripheral devices and
remove the fop cover (see 'Cover (Top)').
- Identify the BIOS recovery jumper, J6A1.
- If the primary processor board blocks access to the
jumper, remove it (see 'Processor or Memory Board').
- Move the jumper to pins 2 and 3. This enables the recovery mode.
- If you removed the primary processor board, install it.
- Replace the top cover.
- Insert the flash memory update diskette into the
primary diskette drive (usually drive A).
- Connect the power cable to the server.
- Start the server.
After the server successfully completes POST, the
speaker emits a single beep and the recovery
process starts (the process takes about three
minutes). During the recovery process, no messages
are displayed on the monitor, and the keyboard is
disabled. When the recovery process is complete,
the server emits two beeps.
- Power-off the server and all peripheral devices,
remove the top cover (see 'Cover (Top)'), and move the jumper back to its original
position (pins 1 and 2, factory default).
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