IBM 704 manual J6A1 Recovery Bios Recovery

Setting System-Board Configuration Jumpers

Before you start, be sure that you have:

ŸRead “Electrical Safety” on page 75 and “Handling Static-Sensitive Devices” on page 77.

ŸRemoved the left side cover (as viewed from the front of the server; see “Removing the Side Covers” on page 81).

To recover the BIOS, do the following:

1. Identify the BIOS recovery jumper, J6A1.

J6A1

Recovery

1

BIOS Recovery

1 2 3

2.If the processor board blocks access to the jumper, remove it (see steps 2 through 5 on page 106).

3.Move the jumper to pins 2 and 3. This enables the recovery mode.

4.If you removed the processor board, install it (see steps 12 on page 108 through 12e on page 110).

5.Insert the flash memory update diskette into the primary diskette drive (usually drive A).

6.Connect the power cable to the server.

7.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.

294PC Server 704 User's Handbook