Datasheet
Intel® Server Board S5500WB TPS Appendix A: POST Code LED Decoder
Revision 1.9
Intel order number E53971-008
93
USB
0x56h
0
1
0
1
0
1
1
0
Initializing USB host controllers
0x57h
0
1
0
1
0
1
1
1
Detecting USB devices
0x58h
0
1
0
1
1
0
0
0
Resetting USB bus
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
0x91h
1
0
0
1
0
0
0
1
Disabling the keyboard
0x92h
1
0
0
1
0
0
1
0
Detecting the presence of the keyboard
0x93h
1
0
0
1
0
0
1
1
Enabling the keyboard
0x94h
1
0
0
1
0
1
0
0
Clearing keyboard input buffer
0x96h
1
0
0
1
0
1
1
0
Reserved for keyboard
Mouse (only USB)
0x98h
1
0
0
1
0
0
1
0
Resetting the mouse
0x99h
1
0
0
1
0
0
1
1
Detecting the mouse
0x9Ah
1
0
0
1
0
1
1
0
Detecting the presence of mouse
0x9Bh
1
0
0
1
0
1
1
1
Enabling the mouse
0x9Ch
1
0
0
1
0
0
1
0
Reserved for mouse
Serial Port
0xA8h
1
0
1
0
1
0
0
0
Resetting the serial port
0xA9h
1
0
1
0
1
0
0
1
Disabling the serial port
0xAAh
1
0
1
0
1
0
1
0
Detecting the presence of the serial port
0xABh
1
0
1
0
1
0
1
1
Clearing serial port buffer
0xACh
1
0
1
0
1
1
0
0
Enabling serial port
0xADh
1
0
1
0
1
1
0
1
Reserved for serial port