Compaq 1600XL Maintenance & Service Manual page 51

Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
7. To clear the password, remove the RTC battery for 10 seconds. Simultaneously make
contact with the two pads located at R37 on the system boarding, using a conductive
piece of material such as a piece of wire or tool.
8. Reassemble the Notebook.
9. Turn on the Notebook to verify that the power-on password has been cleared. If it has
not been cleared, repeat Steps 1 through 7.
P N M
RESARIO OTEBOOK AINTENANCE AND
Presario 1600XL Series
S G 1600XL S
ERVICE UIDE ERIES
T 3
ROUBLESHOOTING