Intel® Server Board X38ML
Error Reporting and Handling
Revision 1.3
Intel order number E15331-006
99
Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Checkpoint
MSB
LSB
Description
0x54h
OFF
A
OFF
R
Reserved for PCI bus
0x55h
OFF
A
OFF
A
Reserved for PCI bus
0x56h
OFF
A
G
R
Reserved for PCI bus
0x57h
OFF
A
G
A
Reserved for PCI bus
USB
0x58h
G
R
OFF
R
Resetting USB bus
0x59h
G
R
OFF
A
Reserved for USB devices
ATA/ATAPI/SATA
0x5Ah
G
R
G
R
Resetting PATA/SATA bus and all devices
0x5Bh
G
R
G
A
Reserved for ATA
SMBUS
0x5Ch G A
OFF
R
Resetting
SMBUS
0x5Dh
G
A
OFF
A
Reserved for SMBUS
Local Console
0x70h
OFF
R
R
R
Resetting the video controller (VGA)
0x71h
OFF
R
R
A
Disabling the video controller (VGA)
0x72h
OFF
R
A
R
Enabling the video controller (VGA)
Remote Console
0x78h
G
R
R
R
Resetting the console controller
0x79h
G
R
R
A
Disabling the console controller
0x7Ah
G
R
A
R
Enabling the console controller
Keyboard (PS/2 or USB)
0x90h
R
OFF
OFF
R
Resetting the keyboard
0x91h
R
OFF
OFF
A
Disabling the keyboard
0x92h R
OFF
G
R
Detecting
the presence of the keyboard
0x93h
R
OFF
G
A
Enabling the keyboard
0x94h
R
G
OFF
R
Clearing keyboard input buffer
0x95h
R
G
OFF
A
Instructing keyboard controller to run Self Test (PS/2 only)
Mouse (PS/2 or USB)
0x98h
A
OFF
OFF
R
Resetting the mouse
0x99h
A
OFF
OFF
A
Detecting the mouse
0x9Ah A
OFF
G
R
Detecting the presence of mouse
0x9Bh
A
OFF
G
A
Enabling the mouse
Fixed Media
0xB0h
R
OFF
R
R
Resetting fixed media device
0xB1h
R
OFF
R
A
Disabling fixed media device
0xB2h
R OFF A R
Detecting presence of a fixed media device (IDE hard drive detection,
etc.)
0xB3h R
OFF
A
A
Enabling/configuring a fixed media device
Removable Media
0xB8h
A
OFF
R
R
Resetting removable media device
0xB9h
A
OFF
R
A
Disabling removable media device
0xBAh
A OFF A R
Detecting presence of a removable media device (IDE CD-ROM
detection, etc.)
0xBCh A G
R
R
Enabling/configuring a removable media device