Technical Product Specification
Appendix B: POST Code LED Decoder IntelĀ® Server System SR1695WB TPS
Revision 1.4 57
Intel order number: E92079-005
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
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
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
0x59h 0 1 0 1 1 0 0 1 Reserved for USB devices
A
TA/ATAPI/SATA
0x5Ah 0 1 0 1 1 0 1 0
Resetting SATA bus and all devices
0x5Bh 0 1 0 1 1 0 1 1
Detecting the presence of ATA device
0x5Ch 0 1 0 1 1 1 0 0 Enable SMART if supported by ATA device
0x5Dh 0 1 0 1 1 1 0 1 Reserved for ATA
SMBUS
0x5Eh 0 1 0 1 1 1 1 0 Resetting SMBUS
0x5Fh 0 1 0 1 1 1 1 1 Reserved for SMBUS
I/O Controller Hub
0x61h 0 1 1 0 0 0 0 1 Initializing I/O Controller Hub
Super I/O
0x63h 0 1 1 0 0 0 1 1 Initializing Super I/O
Local Console
0x70h 0 1 1 1 0 0 0 0 Resetting the video controller (VGA)
0x71h 0 1 1 1 0 0 0 1 Disabling the video controller (VGA)
0x72h 0 1 1 1 0 0 1 0 Enabling the video controller (VGA)
0x73h 0 1 1 1 0 0 1 1 Reserved for video controller (VGA)
Remote Console
0x78h 0 1 1 1 1 0 0 0 Resetting the console controller
0x79h 0 1 1 1 1 0 0 1 Disabling the console controller