System Service Guide

Appendix C: LED Decoder
58 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
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