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S
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UPER
ERVER 6123L-8R/6123L-iR User's Manual
A-2 IA-64 Common Debug Codes
Common Debug Codes for IA-64 systems are listed below:
Checkpoints
DS4
On
On
Off
Off
Note: The debug code LEDs (DS3 and DS4) are located next to the IDE2 connector.
Please refer to the serverboard layout in Chapter 5 for DS3 and DS4 locations.
Code Description
DS3
On:
SNC found and start memory sizing
Off:
Initial system memory and SIOH
On:
Valid memory and SIOH found
Off:
ICH4 found
A-2
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