Gigabyte B450 AORUS PRO WIFI User Manual - Page 22

CPU/DRAM/VGA/BOOT Status LEDs, TPM Trusted Platform Module Header

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B_ S _S _ 1 23 1 B SS B_ 21) TPM (Trusted Platform Module Header) 1 You may connect a TPM (Trusted Platform Module) to this header. _S 1 23 1 1 23 1 Pin No. Definition Pin No. Definition 19 1 _1 LCLK 11 LAD0 2 GND 12 GND S 3 LFRAME 13 NC 20 2 4 No Pin 14 NC 5 LRESET 6 NC 7 LAD3 S 15 SB3V 1 23 16 SERIRQ 17 GND 8 LAD2 18 NC 9 VCC3 19 NC 10 LAD1 20 NC 22) CPU/DRAM/VGA/BOOT (Status LEDs) The status LEDs show whether the CPU, memory, graphics card, and operating system are working properly after system power-on. If the CPU/DRAM/VGA LED is on, that means the corresponding device is not working noSrma3lly; if the BOOT B_ LED is oBnS, tShat mSeansFy_oUuSBh3aven't entered tUhe operating system yet. __ 3 B_ USB 0_ B CPU: CPU status LED DRAM: Memory status LED S_ VGA: Graphics card status LED CPU DRAM VGA BOOT BOOT: Operating system SstaFtus LED _ B_ S _S _ _ _B S_ S_ _ - 22 -

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22) CPU/DRAM/VGA/BOOT (Status LEDs)
The status LEDs show whether the CPU, memory, graphics card, and operating system are working
properly after system power-on. If the CPU/DRAM/VGA LED is on, that means the corresponding device
is not working normally; if the BOOT LED is on, that means you haven't entered the operating system yet.
CPU:
CPU status LED
DRAM:
Memory status LED
VGA:
Graphics card status LED
BOOT:
Operating system status LED
CPU
DRAM
VGA
BOOT
20
19
2
1
21) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
Pin No.
Definition
Pin No.
Definition
1
LCLK
11
LAD0
2
GND
12
GND
3
LFRAME
13
NC
4
No Pin
14
NC
5
LRESET
15
SB3V
6
NC
16
SERIRQ
7
LAD3
17
GND
8
LAD2
18
NC
9
VCC3
19
NC
10
LAD1
20
NC
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