Intel SR2600UR Service Guide - Page 181

O=On; X=Off, Keyboard USB only

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Table 8. Diagnostic LED POST Code Decoder Diagnostic LED Decoder O=On; X=Off Checkpoint Upper Nibble MSB Lower Nibble LSB Description 8h 4h 2h 1h 8h 4h 2h 1h LED #7 #6 #5 #4 #3 #2 #1 #0 ATA / ATAPI / SATA 0x5Ah X 0x5Bh X SMBUS 0x5Ch X 0x5Dh X Local Console 0x70h X 0x71h X 0x72h X O X O O X OX O X O O X OO O X O O OX X O X O O OX O O O O X XXX O O O X XXO O O O X X OX Resetting SATA bus and all devices Reserved for ATA Resetting SMBUS Reserved for SMBUS Resetting the video controller (VGA) Disabling the video controller (VGA) Enabling the video controller (VGA) Remote Console 0x78h X 0x79h X 0x7Ah X O O O O XXX O O O O XXO O O O O X OX Keyboard (USB only) 0x90h O X X O X XXX 0x91h O X X O X XXO 0x92h O X X O X X OX 0x93h O X X O X X OO 0x94h O X X O X OX X 0x95h O X X O X OX O Mouse (USB only) Resetting the console controller Disabling the console controller Enabling the console controller Resetting the keyboard Disabling the keyboard Detecting the presence of the keyboard Enabling the keyboard Clearing keyboard input buffer Instructing keyboard controller to run Self Test (PS2 only) Intel® Server System SR2600UR/SR2625UR Service Guide 161

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Intel
®
Server System SR2600UR/SR2625UR Service Guide
161
ATA / ATAPI / SATA
0x5Ah
X
O
X
O
O
X
O
X
Resetting SATA bus and all devices
0x5Bh
X
O
X
O
O
X
O
O
Reserved for ATA
SMBUS
0x5Ch
X
O
X
O
O
O
X
X
Resetting SMBUS
0x5Dh
X
O
X
O
O
O
X
O
Reserved for SMBUS
Local Console
0x70h
X
O
O
O
X
X
X
X
Resetting the video controller (VGA)
0x71h
X
O
O
O
X
X
X
O
Disabling the video controller (VGA)
0x72h
X
O
O
O
X
X
O
X
Enabling the video controller (VGA)
Remote Console
0x78h
X
O
O
O
O
X
X
X
Resetting the console controller
0x79h
X
O
O
O
O
X
X
O
Disabling the console controller
0x7Ah
X
O
O
O
O
X
O
X
Enabling the console controller
Keyboard (USB only)
0x90h
O
X
X
O
X
X
X
X
Resetting the keyboard
0x91h
O
X
X
O
X
X
X
O
Disabling the keyboard
0x92h
O
X
X
O
X
X
O
X
Detecting the presence of the keyboard
0x93h
O
X
X
O
X
X
O
O
Enabling the keyboard
0x94h
O
X
X
O
X
O
X
X
Clearing keyboard input buffer
0x95h
O
X
X
O
X
O
X
O
Instructing keyboard controller to run
Self Test (PS2 only)
Mouse (USB only)
Table 8. Diagnostic LED POST Code Decoder
Checkpoint
Diagnostic LED Decoder
Description
O=On; X=Off
Upper Nibble
Lower Nibble
MSB
LSB
8h
4h
2h
1h
8h
4h
2h
1h
LED
#7
#6
#5
#4
#3
#2
#1
#0