Sfm Status Leds; Table 1-4 Sfm Status Leds - Compaq AlphaServer DS20E Reference Manual

SFM Status LEDs

The SFM has 7 status LEDs. The VAUX5 LED is located at
The other 6 LEDs are located at
Figure 1-6. The VAUX5 LED is lit whenever AC power is supplied to the
system.
1
2
3
4
5
6
Figure 1-7. SFM Status LEDs
# On SFM Module
POK0
POK1
POK2
SYS FANS OK
CPU FANS OK
TEMP OK
Compaq Confidential – Need to Know Required
Writer: Robert Young Project: DS20E Reference Guide Comments:
Part Number: ER-K8F6W-UA .A01 File Name: b-ch1 System Overview.doc Last Saved On: 10/4/99 1:23 PM
in Figure 1-5, and are shown in close-up in
POK0
POK1
POK2
SYS FANS OK
CPU FANS OK
TEMP OK
PK1216c
Table 1-4
SFM Status LEDs
When lit, indicates power supply 0 has passed its self-test and is
running okay.
When lit, indicates power supply 1 has passed its self-test and is
running okay.
When lit, indicates power supply 2 has passed its self-test and is
running okay.
When lit, indicates both system fans (fans 0 and 1) are operating.
When lit, indicates CPU fans are operating. If a CPU fan fails, it will
result in a fatal system error and the system will shut down in 30
seconds or less.
Indicates the system temperature is below 55 ºC.
System Overview 1-13
in Figure 1-5.
Description