36
LEDs
Debug Code LED ( LED)
Debug Code LED( LED) POST ( ) POST
. Debug Code LED( LED)
.
16
16 0 1 2 3 4 5 6 7 8 9 A B C D E F
Debug
Code LED
0 1 2 3 4 5 6 7 8 9 A B C D E F
(SEC) –
Pre-EFI Initialization (PEI) –
Driver Execution Environment (DXE) –
Boot Device Selection (BDS) – , pre-OS &
(CD/DVD, HDD, USB, Network, Shell, )bootable device (CD/DVD, HDD, USB,
Network, Shell, )
Debug Code LED Table(
LED )
SEC
01 . (/)
02 AP
03
04 PCH
06
07 AP
08
09 PCH
0B
SEC
0C - 0D AMI SEC
0E
0F
PEI
10 PEI
11 Pre-memory CPU
12 - 14 Pre-memory CPU (CPU )
15 Pre-memory
16 - 18
Pre-Memory (
)
19 Pre-memory PCH
1A - 1C Pre-memory PCH (PCH )
2B
. Serial Presence Detect
(SPD)