Compaq AP200 - Professional - 128 MB RAM Reference Manual page 140

E-2 Error Codes
Power-On Self-Test Messages
162-System Options
Not Set
* L = Long, S = Short
Message Beeps*
2S
Continued
Probable Cause
Configuration incorrect.
RTC (real-time clock) battery
may need to be replaced.
Battery life is approximately 5
years.
CMOS jumper may not be
properly installed.
Recommended Action
Run Computer Setup or
Windows NT utilities.
First reset the date and
time under Control Panel.
If the problem persists,
replace the RTC battery.
See Chapter 4,
"Hardware Upgrades,"
for instructions on
installing a new battery,
or contact your Compaq
authorized dealer or
reseller for RTC battery
replacement.
Follow Appendix G
instructions on clearing
configuration memory for
proper placement of the
CMOS jumper.
Continued