System Status - HP Compaq dc7100 DT Technical Reference Manual

System Support

4.5.3 System Status

These systems provide a visual indication of system boot and ROM flash status through the
keyboard LEDs and operational status using bi-colored power and hard drive activity LEDs as
indicated in Tables 4-13 and 4-14 respectively.
✎
The LED indications listed in Table 4-13 are valid only for PS/2-type keyboards. A USB
keyboard will not provide LED status for the listed events, although audible (beep) indications
will occur.
Event
System memory failure [1]
Graphics controller failure [2]
System failure prior to graphics cntlr. initialization [3]
ROMPAQ diskette not present, faulty, or drive prob.
Password prompt
Invalid ROM detected—flash failed
Keyboard locked in network mode
Successful boot block ROM flash
NOTES:
[1]Accompanied by 1 short, 2 long audio beeps
[2]Accompanied by 1 long, 2 short audio beeps
[3]Accompanied by 2 long, 1 short audio beeps
[4]All LEDs will blink in sync twice, accompanied by 1 long and three short audio beeps
[5]LEDs will blink in sequence (NUM Lock, then CAPs Lock, then Scroll Lock)
[6]Accompanied by rising audio tone.
Badkdd
Table 4-14 lists the audible and visible indications provided by system status conditions. .
System Status
S0: System on (normal operation)
S1: Suspend
S3: Suspend to RAM
S4: Suspend to disk
S5: Soft off
Processor thermal shutdown
Processor not seated / installed
Power supply overload failure
Memory error (pre-video)
Video error
PCA failure detected by BIOS (pre-video)
Invalid ROM checksum error
Boot failure (after power on)
Bad option card
[1] Repeated after 2 second pause.
[2] Beeps are produced by the on-board piezo speaker, NOT the chassis speaker.
[3] Beeps are repeated for 5 cycles, after which only blinking LED indication continues.
4-24
PS/2 Keyboard System Boot/ROM Flash Status LED Indications
System Operational Status LED Indications
PowerLED
Steady green
Blinks green @ .5 Hz
Blinks green @ .5 Hz
Off – clear
Off – clear
Blinks red 2 times @ I Hz [1]
Blinks red 3 times @ I Hz [1]
Blinks red 4 times @ I Hz [1]
Blinks red 5 times @ I Hz [1]
Blinks red 6 times @ I Hz [1]
Blinks red 7 times @ I Hz [1]
Blinks red 8 times @ I Hz [1]
Blinks red 9 times @ I Hz [1]
Blinks red 10 times @ I Hz [1]
Table 4-13.
NUM Lock
LED
Blinking
Off
Off
On
Off
Blinking [4]
Blinking [5]
On [6]
Table 4-14.
Beeps [2]
None
None
None
None
None
2 [2]
3 [2]
4 [2]
5 [2]
6 [2]
7 [2]
8 [2]
9 [2]
10 [2]
361834-002
CAPs Lock Scroll Lock
LED LED
Off Off
Blinking Off
Off Blinking
Off Off
On Off
Blinking [4] Blinking [4]
Blinking [5] Blinking [5]
On [6] On [6]
Action Required
none
none
none
none
none
Check air flow, fans, heatsink
Check processor presence/seating
Check voltage selector, devices, sys. bd
Check DIMMs, system board
Check graphics card or system board
Replace system board
Reflash BIOS ROM
Check power supply, processor, sys. bd
Replace option card
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