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Intel® Server Boards S5000PSL and S5000XSL TPSAppendix C: POST Code Diagnostic LED Decoder
Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Description
Checkpoint
MSB Bit 2 Bit 1 LSB
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 (PS2 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 (PS2 only)
Mouse (PS2 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
Revision 1.2
Intel order number: D41763-003
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