IBM PS/1, Hardware Maintenance Service

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6. Move the jumper on JP59 back to pins 1 and 2.
7. Move the jumper on JP8 back to pins 1 and 2.
8. The system detects the change and the password is erased from
memory.
9. When you are finished servicing the machine, run the Configuration
Utility to restore the configuration settings.
For 486SX, 486DX, and 486DX2 (72-pin memory SIMM) system boards:
1. Power off the system unit.
2. Locate and remove the battery.
3. Locate the two pads next to SP103 (near the battery).
4. Apply a momentary short across the two pads at SP103.
5. Replace the battery and power on the system unit.
6. The system detects the change and the password, time, and date
are erased from memory.
7. Run the Configuration Utility to restore the configuration settings.
Press ESC to save with the password disabled.
8. When you are finished servicing the machine, run the Configuration
Utility to restore the configuration settings. (You must reset the
time and date.)
Notes:
1. To reinstall the password, the user must enter a password in the Config-
uration Utility.
2. Disabling the power-on password reconfigures the system. If you
receive a 162 error, make note of any flagged option.
Using the Configuration Utility
The Configuration Utility is a PS/1 function that lets you view and change
important information about the computer’s hardware. You may need to use
the Configuration Utility in these situations:
If you add a
hardware option (such as a diskette drive, memory module,
or math coprocessor), and you want to verify the change or make a
change.
If you remove a hardware option, you need to verify the change.
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