Appendix C: LED Decoder
Intel
®
Server System H2000WP Family Service Guide
67
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