Intel SR1600UR Service Guide - Page 138

Runtime Phase/EFI Operating System Boot, Pre-EFI Initialization Module PEIM/Recovery

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Table 9. Diagnostic LED POST Code Decoder Diagnostic LED Decoder O=On; X=Off Checkpoint Upper Nibble MSB Lower Nibble LSB Description 8h 4h 2h 1h 8h 4h 2h 1h LED #7 #6 #5 #4 #3 #2 #1 #0 0xE8h 0xE9h 0xEAh 0xEEh 0xEFh O O O X O XXX Checking password O OO X O XXO Entering BIOS setup O O O X O X OX Flash Update O O O X O OOX Calling Int 19. One beep unless silent boot is enabled. O OOX O OOO Unrecoverable boot failure Runtime Phase/EFI Operating System Boot 0xF2h 0xF4h 0xF5h 0xF8h 0xF9h 0xFAh O O O O X X OX Signal that the OS has switched to virtual memory mode O O O O X OX X Entering Sleep state O OO OX OX O Exiting Sleep state O O O O O XXX OS has requested EFI to close boot services (ExitBootServices ( ) has been called) O O O O O XXO OS has switched to virtual address mode (SetVirtualAddressMap ( ) has been called) O O O O O X OX OS has requested the system to reset (ResetSystem ( ) has been called) Pre-EFI Initialization Module (PEIM)/Recovery 0x30h 0x31h 0x34h 0x35h 0x3Fh X X O O X XXX Crisis recovery has been initiated because of a user request X X O OX XXO Crisis recovery has been initiated by software (corrupt flash) X X O O X OX X Loading crisis recovery capsule X X O OX OX O Handing off control to the crisis recovery capsule X X O O O OOO Unable to complete crisis recovery capsule 120 Intel® Server System SR1600UR Service Guide

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120
Intel
®
Server System SR1600UR Service Guide
0xE8h
O
O
O
X
O
X
X
X
Checking password
0xE9h
O
O
O
X
O
X
X
O
Entering BIOS setup
0xEAh
O
O
O
X
O
X
O
X
Flash Update
0xEEh
O
O
O
X
O
O
O
X
Calling Int 19. One beep unless silent
boot is enabled.
0xEFh
O
O
O
X
O
O
O
O
Unrecoverable boot failure
Runtime Phase/EFI Operating System Boot
0xF2h
O
O
O
O
X
X
O
X
Signal that the OS has switched to
virtual memory mode
0xF4h
O
O
O
O
X
O
X
X
Entering Sleep state
0xF5h
O
O
O
O
X
O
X
O
Exiting Sleep state
0xF8h
O
O
O
O
O
X
X
X
OS has requested EFI to close boot
services (ExitBootServices ( ) has been
called)
0xF9h
O
O
O
O
O
X
X
O
OS has switched to virtual address
mode (SetVirtualAddressMap ( ) has
been called)
0xFAh
O
O
O
O
O
X
O
X
OS has requested the system to reset
(ResetSystem ( ) has been called)
Pre-EFI Initialization Module (PEIM)/Recovery
0x30h
X
X
O
O
X
X
X
X
Crisis recovery has been initiated
because of a user request
0x31h
X
X
O
O
X
X
X
O
Crisis recovery has been initiated by
software (corrupt flash)
0x34h
X
X
O
O
X
O
X
X
Loading crisis recovery capsule
0x35h
X
X
O
O
X
O
X
O
Handing off control to the crisis recovery
capsule
0x3Fh
X
X
O
O
O
O
O
O
Unable to complete crisis recovery
capsule
Table 9. Diagnostic LED POST Code Decoder
Checkpoint
Diagnostic LED Decoder
Description
O=On; X=Off
Upper Nibble
Lower Nibble
MSB
LSB
8h
4h
2h
1h
8h
4h
2h
1h
LED
#7
#6
#5
#4
#3
#2
#1
#0