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2 . 7 B o a r d I n te r fa c e s
2.7.1 Front Panel LEDs
The CP6005(X)-SA provides three system status LEDs, one Hot Swap Status LED (HS LED), one temper-
ature status LED (TH LED) and one Watchdog status LED (WD LED), as well as two IPMI LEDs (I0 and I1)
and four General Purpose/POST code LEDs (LED3–0). Their functionality is described in the following
chapters and reflected in the registers mentioned in Chapter 3, Configuration.
2.7.1.1 Watchdog and Temperature Status LEDs
Table 6: Watchdog and Temperature Status LEDs' Functions
LED
COLOR
TH LED
red / green
WD LED
red / green
Note:
If the TH LED flashes red at regular intervals, it indicates that the processor junction tem-
perature has reached a level beyond which permanent silicon damage may occur and the
processor has been shut off. To turn to normal operation, the power must be switched off
and then on again.
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STATE
Of f
Power failure
Green
Board in normal operation
Red
CPU has reached maximum allowable operating temperature and the per-
formance has been reduced
Red blinks
CPU temperature above 125°C (CPU has been shut of f)
In this event, all General Purpose LEDs (LED3–0) are blinking red as well.
OFF
Watchdog inactive
Green
Watchdog active, waiting to be triggered
Red
Watchdog expired
CP6005(X)-SA
FUNCTION
User Guide
28
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