Intel H2312JFJR Service Manual page 79

Appendix C: LED Decoder
Diagnostic LED Decoder
Checkpoint Upper Nibble
MSB
8h 4h 2h
LED #7 #6 #5
0xEBh 1 1 1
0xECh 1 1 1
0xEDh 1 1 1
0xEBh 1 1 1
0xA0h 1 0 1
0xA1h 1 0 1
0xA2h 1 0 1
0xA3h 1 0 1
0xA4h 1 0 1
0xA5h 1 0 1
0xA6h 1 0 1
0xA7h 1 0 1
0xA8h 1 0 1
0xA9h 1 0 1
0xAAh 1 0 1
0xABh 1 0 1
0xACh 1 0 1
0xADh 1 0 1
0xAEh 1 0 1
0xAFh 1 0 1
0xB0h 1 0 1
0xB1h 1 0 1
0xB2h 1 0 1
0xB3h 1 0 1
0xB4h 1 0 1
0xB5h 1 0 1
0xB6h 1 0 1
0xB7h 1 0 1
0xB8h 1 0 1
0xB9h 1 0 1
0xBAh 1 0 1
0xBBh 1 0 1
0xBCh 1 0 1
0xBDh 1 0 1
0xBEh 1 0 1
0xBFh 1 0 1
0x50h 0 1 0
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1 = On, 0=Off
Lower Nibble
LSB
1h 8h 4h 2h 1h
#4 #3 #2 #1 #0
0 1 0 1 1
0 1 1 0 0
0 1 1 0 1
0 1 0 1 1
QuickPath Interconnect (QPI)
0 0 0 0 0
0 0 0 0 1
0 0 0 1 0
0 0 0 1 1
0 0 1 0 0
0 0 1 0 1
0 0 1 1 0
0 0 1 1 1
0 1 0 0 0
0 1 0 0 1
0 1 0 1 0
0 1 0 1 1
0 1 1 0 0
0 1 1 0 1
0 1 1 1 0
0 1 1 1 1
Integrated Memory Controller (IMC)
1 0 0 0 0
1 0 0 0 1
1 0 0 1 0
1 0 0 1 1
1 0 1 0 0
1 0 1 0 1
1 0 1 1 0
1 0 1 1 1
1 1 0 0 0
1 1 0 0 1
1 1 0 1 0
1 1 0 1 1
1 1 1 0 0
1 1 1 0 1
1 1 1 1 0
1 1 1 1 1
1 0 0 0 0
Memory test failed (system halted)
Unsupported or invalid DIMM configuration (system halted)
Unsupported or invalid DIMM configuration (system halted)
DIMM with corrupted SPD data detected (system halted)
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
QPI Initialization
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
Memory Initialization of Integrated Memory Controller
PCI Bus
Enumerating PCI buses
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Intel Server System H2000JF Family Service Guide
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