Technical Product Specification

Table Of Contents
Appendix B: POST Code Diagnostic LED Decoder Intel
®
Server Board S5400SF TPS
Revision 2.02
Intel order number: D92944-007
160
Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Checkpoint
MSB LSB
Description
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 CDROM
detection, etc.)
0xBCh A G R R Enabling/configuring a removable media device
Boot Device Selection
0xD0 R R OFF R Trying boot device selection
0xD1 R R OFF A Trying boot device selection
0xD2 R R G R Trying boot device selection
0xD3 R R G A Trying boot device selection
0xD4 R A OFF R Trying boot device selection
0xD5 R A OFF A Trying boot device selection
0xD6 R A G R Trying boot device selection
0xD7 R A G A Trying boot device selection
0xD8 A R OFF R Trying boot device selection
0xD9 A R OFF A Trying boot device selection
0XDA A R G R Trying boot device selection
0xDB A R G A Trying boot device selection
0xDC A A OFF R Trying boot device selection
0xDE A A G R Trying boot device selection