System Service Guide

Appendix C: LED Decoder
54 Intel
®
Server System R1000JP Family Service Guide
Checkpoint
Diagnostic LED Decoder
Description
1 = On, 0=Off
Upper Nibble Lower Nibble
MSB LSB
8h 4h 2h 1h 8h 4h 2h 1h
LED
#7 #6 #5 #4 #3 #2 #1 #0
0xA5h 1 0 1 0 0 1 0 1 QPI Initialization
0xA6h 1 0 1 0 0 1 1 0 QPI Initialization
0xA7h 1 0 1 0 0 1 1 1 QPI Initialization
0xA8h 1 0 1 0 1 0 0 0 QPI Initialization
0xA9h 1 0 1 0 1 0 0 1 QPI Initialization
0xAAh 1 0 1 0 1 0 1 0 QPI Initialization
0xABh 1 0 1 0 1 0 1 1 QPI Initialization
0xACh 1 0 1 0 1 1 0 0 QPI Initialization
0xADh 1 0 1 0 1 1 0 1 QPI Initialization
0xAEh 1 0 1 0 1 1 1 0 QPI Initialization
0xAFh 1 0 1 0 1 1 1 1 QPI Initialization
Integrated Memory Controller (IMC)
0xB0h 1 0 1 1 0 0 0 0
Memory Initialization of Integrated Memory
Controller
0xB1h 1 0 1 1 0 0 0 1
Memory Initialization of Integrated Memory
Controller
0xB2h 1 0 1 1 0 0 1 0
Memory Initialization of Integrated Memory
Controller
0xB3h 1 0 1 1 0 0 1 1
Memory Initialization of Integrated Memory
Controller
0xB4h 1 0 1 1 0 1 0 0
Memory Initialization of Integrated Memory
Controller
0xB5h 1 0 1 1 0 1 0 1
Memory Initialization of Integrated Memory
Controller
0xB6h 1 0 1 1 0 1 1 0
Memory Initialization of Integrated Memory
Controller
0xB7h 1 0 1 1 0 1 1 1
Memory Initialization of Integrated Memory
Controller