Compaq 17XL260 - Presario - PIII 500 MHz Maintenance And Service Manual page 47

Models: XL260, XL261, XL262, XL264, XL265, XL266, XL274, XL275, XL360, XL361,
XL362, XL363, XL364, XL365, XL366, XL367, XL368, XL369, XL370, XL371, XL372, XL373,
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 board
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.
Presario 1700 Series
XL374, XL375, XL376, XL377, and XL378
and (or