System Service Guide

Appendix C: LED Decoder
Intel
®
Server System R1000JP Family Service Guide 57
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
Controller
0xB8h 1 0 1 1 1 0 0 0
Memory Initialization of Integrated Memory
Controller
0xB9h 1 0 1 1 1 0 0 1
Memory Initialization of Integrated Memory
Controller
0xBAh 1 0 1 1 1 0 1 0
Memory Initialization of Integrated Memory
Controller
0xBBh 1 0 1 1 1 0 1 1
Memory Initialization of Integrated Memory
Controller
0xBCh 1 0 1 1 1 1 0 0
Memory Initialization of Integrated Memory
Controller
0xBDh 1 0 1 1 1 1 0 1
Memory Initialization of Integrated Memory
Controller
0xBEh 1 0 1 1 1 1 1 0
Memory Initialization of Integrated Memory
Controller
0xBFh 1 0 1 1 1 1 1 1
Memory Initialization of Integrated Memory
Controller
PCI Bus
0x50h 0 1 0 1 0 0 0 0 Enumerating PCI buses
0x51h 0 1 0 1 0 0 0 1 Allocating resources to PCI buses
0x52h 0 1 0 1 0 0 1 0 Hot Plug PCI controller initialization
0x53h 0 1 0 1 0 0 1 1 Reserved for PCI bus
0x54h 0 1 0 1 0 1 0 0 Reserved for PCI bus
0x55h 0 1 0 1 0 1 0 1 Reserved for PCI bus
USB
0x56h 0 1 0 1 0 1 1 0 Initializing USB host controllers
0x57h 0 1 0 1 0 1 1 1 Detecting USB devices
0x58h 0 1 0 1 1 0 0 0 Resetting USB bus