IBM 8688 manual Clearing a power-on password

6.If there is a jumper on J28, move the jumper from pins 1 and 2 to pins 2 and 3 to enable the SAL/EFI backup code page. If there is no jumper, add one to J28 pins 2 and 3.

7.Replace fans 3 and 4, and reconnect all external cables and power cords; then, turn on the peripheral devices.

8.Start up the server. After 5-10 seconds, the blue Attention LED on the Light Path card blinks.

9.If the green access LED on the DVD/CD-RW drive does not blink to indicate that the recovery flash image is being read within 2 minutes, press the reset button on the front of the server to retry the update. If the LED fails to blink again, the SAL/EFI backup code page might be damaged, and you might need to replace the I/O board to correct the problem. Run the AMIDiag program to test the I/O board; then, see “I/O board, riser card, and Remote Supervisor Adapter” on page 130 for instructions.

10.When the DVD/CD-RW LED stops blinking, wait at least 5 minutes for the flash update to complete.

11.Remove the Resource CD from the drive, and repeat steps 3 on page 71 through 5 on page 71. Then, continue with step 12.

12.Move the jumper on J28 to pins 1 and 2 to return to normal startup mode.

13.Replace the fans, and close the cover (see “Closing the cover” on page 111).

14.Reconnect all external cables and power cords, and turn on the peripheral devices.

15.Turn on the server.

Note: You might need to update the system firmware to the current level. For instructions, see “Updating the firmware” on page 39.

Clearing a power-on password

This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, see “Using the Configuration/Setup Utility program” on page 12.

Complete the following steps to clear the power-on password:

1.Review the safety information beginning on page 197.

Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling these devices, see “Handling static-sensitive devices” on page 78.

2.Turn off the server and all attached devices.

3.Unplug the power cord, and disconnect all external cables.

4.Open the top cover (see “Opening the cover” on page 88).

5.Remove fans 3 and 4. For instructions, see “Replacing fan 3 or 4” on page 108.

72IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide