Technical Product Specification

Appendix B: POST Code LED Decoder Intel® Server System SR1690WB TPS
Revision 1.7
Intel order number: E72797-009
54
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
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
ATA/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
0x7Ah 0
1 1 1 1
0
1
0
Enabling the console controller
0x7Bh 0
1 1 1 1
0
1 1
Reserved for console controller
Keyboard (only USB)
0x90h
1
0 0
1
0 0 0 0
Resetting the keyboard
0x91h
1
0 0
1
0 0 0
1
Disabling the keyboard
0x92h
1
0 0
1
0 0
1
0
Detecting the presence of the keyboard
0x93h
1
0 0
1
0 0
1 1
Enabling the keyboard