Service Guide for Intel Server System H2000WP

Appendix C: LED Decoder
62 Intel
®
Server System H2000WP Family Service Guide
Checkpoint
Diagnostic LED Decoder
Description
1 = On, 0=Off
Upper Nibble
Lower Nibble
MSB
LSB
8h
4h
2h
1h
8h
4h
2h
1h
LED
#7
#6
#5
#4
#3
#2
#1
#0
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
Fixed Media
0xB0h
1
0
1
1
0
0
0
0
Resetting fixed media device
0xB1h
1
0
1
1
0
0
0
1
Disabling fixed media device
0xB2h
1
0
1
1
0
0
1
0
Detecting presence of a fixed media device (SATA hard drive detection, and
so forth)
0xB3h
1
0
1
1
0
0
1
1
Enabling/configuring a fixed media device
0xB4h
1
0
1
1
0
1
0
0
Reserved for fixed media
Removable Media
0xB8h
1
0
1
1
1
0
0
0
Resetting removable media device
0xB9h
1
0
1
1
1
0
0
1
Disabling removable media device
0xBAh
1
0
1
1
1
0
1
0
Detecting presence of a removable media device (SATA CDROM detection,
and so forth)
0xBCh
1
0
1
1
1
1
0
0
Enabling/configuring a removable media device
0xBDh
1
0
1
1
1
1
0
1
Reserved for removable media device
Boot Device Selection (BDS)
0xD0
1
1
0
1
0
0
0
0
Entered the Boot Device Selection phase (BDS)
0xD1
1
1
0
1
0
0
0
1
Return to last good boot device
0xD2
1
1
0
1
0
0
1
0
Setup boot device selection policy
0xD3
1
1
0
1
0
0
1
1
Connect boot device controller
0xD4
1
1
0
1
0
1
0
0
Attempt flash update boot mode
0xD5
1
1
0
1
0
1
0
1
Transfer control to EFI boot
0xD6
1
1
0
1
0
1
1
0
Trying to boot device selection
0xDF
1
1
0
1
1
1
1
1
Reserved for boot device selection
Pre-EFI Initialization (PEI) Core
0xE0h
1
1
1
0
0
0
0
0
Entered Pre-EFI Initialization phase (PEI)
0xE1h
1
1
1
0
0
0
0
1
Started dispatching early initialization modules (PEIM)
0xE2h
1
1
1
0
0
0
1
0
Initial memory found, configured, and installed correctly
0xE3h
1
1
1
0
0
0
1
1
Transfer control to the DXE Core
PEI Modules
0xF0h
1
1
1
1
0
0
0
0
Install PEIM for Platform Status Codes
0xF1h
1
1
1
1
0
0
0
1
Detecting Platform Type
0xF2h
1
1
1
1
0
0
1
0
Early Platform Initialization
0xF3h
1
1
1
1
0
0
1
1
PEI Modules initialized
Driver eXecution Environment (DXE) Core
0xE4h
1
1
1
0
0
1
0
0
Entered EFI driver execution phase (DXE)
0xE5h
1
1
1
0
0
1
0
1
Started dispatching drivers
0xE6h
1
1
1
0
0
1
1
0
Started connecting drivers
DXE Drivers
0xE7h
1
1
1
0
1
1
0
1
Waiting for user input