Technical Reference Guide: HP Compaq 8100 Elite Series Business Desktop Computers

Technical Reference Guide www.hp.com 4-13
System Support
4.5.3 System Status
These systems provide a visual indication of system boot, ROM flash, and operational status
through the power LED and internal speaker, as described in Table 4-8.
.
NOTES:
Beeps are repeated for 5 cycles, after which only blinking LED indication continues.
[1] Repeated after 2 second pause.
[2] Beeps are produced by the internal chassis speaker.
[3] Check that CPU power connector P3 is plugged in.
Table 4-8.
System Operational Status LED Indications
System Status PowerLED Beeps [2] Action Required
S0: System on (normal
operation)
Steady green None None
S1: Suspend Blinks green @ .5 Hz None None
S3: Suspend to RAM Blinks green @ .5 Hz None None
S4: Suspend to disk Off – clear None None
S5: Soft off Off – clear None None
Processor thermal shutdown Blinks red 2 times @ 1 Hz [1] 2 Check air flow, fans, heatsink
Processor not seated / installed Blinks red 3 times @ 1 Hz [1] 3 Check processor
presence/seating
Power supply overload failure Blinks red 4 times @ 1 Hz [1] 4 Check system board problem
[3],
Memory error (pre-video) Blinks red 5 times @ 1 Hz [1] 5 Check DIMMs, system board
Video error Blinks red 6 times @ 1 Hz [1] 6 Check graphics card or
system board
PCA failure detected by BIOS
(pre-video)
Blinks red 7 times @ 1 Hz [1] 7 Replace system board
Invalid ROM checksum error Blinks red 8 times @ 1 Hz [1] 8 Reflash BIOS ROM
Boot failure (after power on) Blinks red 9 times @ 1 Hz [1] 9 Check power supply,
processor, sys. bd
Bad option card Blinks red 10 times @ 1 Hz [1] None Replace option card