Intel H2312JFJR Service Manual page 80

Diagnostic LED Decoder
Checkpoint Upper Nibble
MSB
8h 4h 2h
LED #7 #6 #5
0x51h 0 1 0
0x52h 0 1 0
0x53h 0 1 0
0x54h 0 1 0
0x55h 0 1 0
0x56h 0 1 0
0x57h 0 1 0
0x58h 0 1 0
0x59h 0 1 0
0x5Ah 0 1 0
0x5Bh 0 1 0
0x5Ch 0 1 0
0x5Dh 0 1 0
0x5Eh 0 1 0
0x5Fh 0 1 0
0x61h 0 1 1
0x63h 0 1 1
0x70h 0 1 1
0x71h 0 1 1
0x72h 0 1 1
0x73h 0 1 1
0x78h 0 1 1
0x79h 0 1 1
0x7Ah 0 1 1
0x7Bh 0 1 1
0x90h 1 0 0
0x91h 1 0 0
0x92h 1 0 0
0x93h 1 0 0
0x94h 1 0 0
0x96h 1 0 0
0x98h 1 0 0
®
Intel Server System H2000JF Family Service Guide
1 = On, 0=Off
Lower Nibble
LSB
1h 8h 4h 2h 1h
#4 #3 #2 #1 #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
ATA/ATAPI/SATA
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
I/O Controller Hub
0 0 0 0 1
0 0 0 1 1
1 0 0 0 0
1 0 0 0 1
1 0 0 1 0
1 0 0 1 1
1 1 0 0 0
1 1 0 0 1
1 1 0 1 0
1 1 0 1 1
Keyboard (only USB)
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 1 0
Mouse (only USB)
1 0 0 1 0
Allocating resources to PCI buses
Hot Plug PCI controller initialization
Reserved for PCI bus
Reserved for PCI bus
Reserved for PCI bus
USB
Initializing USB host controllers
Detecting USB devices
Resetting USB bus
Reserved for USB devices
Resetting SATA bus and all devices
Detecting the presence of ATA device
Enable SMART if supported by ATA device
Reserved for ATA
SMBus*
Resetting SMBus*
Reserved for SMBus*
Initializing I/O Controller Hub
Super I/O
Initializing Super I/O
Local Console
Resetting the video controller (VGA)
Disabling the video controller (VGA)
Enabling the video controller (VGA)
Reserved for video controller (VGA)
Remote Console
Resetting the console controller
Disabling the console controller
Enabling the console controller
Reserved for console controller
Resetting the keyboard
Disabling the keyboard
Detecting the presence of the keyboard
Enabling the keyboard
Clearing keyboard input buffer
Reserved for keyboard
Resetting the mouse
Appendix C: LED Decoder
Description
67