IBM PC CONVERTIBLE Technical Reference page 15

Description Error Indication
Set time of day: Sets time of day
Clock icon if clock has
data area from real-time clock. not been set by the
user.
Low battery test: Checks for good Battery icon if battery
battery.
is low and warning is
enabled in the system
profile.
Complete POST: Ifa system 2-short beeps if any
suspend was active and the resume
warmng errors
was not cancelled, the system state
occurred.
is restored and the application
resumed. Otherwise, the LCD
default font is loaded from vectors
hex 1 F and 44, and the system is
booted from drive O.
Figure 1-1 (Part 7 of7). Power-on Self-Test Sequence
1-8 Power-On Self-Test (POST)