Name: Biostar A520MH 3.0
Brand: Biostar
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18 | Chapter 2: Hardware installaon

F_PANEL: Front Panel Header

This connector includes Power-on, Reset, HDD LED and Power LED connecons. It allows user

to connect the PC case’s front panel switch funcons.

Pin Assignment Funcon Pin Assignment Funcon

1 HDD LED(+)

HDD

LED

2 Power LED (+)

Power

LED

3 HDD LED(-) 4 Power LED (-)

5 Ground

Reset

Buon

6 Power Buon

Power-On

Buon

7 Reset Control 8 Ground

9 NC NC 10 NA NA

SPKR: Chassis Speaker Header

Please connect the chassis speaker to this header.

Pin Assignment

1 +5V

2 N/A

3 N/A

4 Speaker

TPM: Trusted Plaorm Module Header

This header allows you to store cryptographic keys that protect informaon.

Pin Assignment Pin Assignment

1 F_LAD0 2 +3V

3 F_LAD1 4 +3V

5 F_LAD2 6 TPM_24MHZ

7 F_LAD3 8 GND

9 L_FRAME_N 10 NC

11 SER_IRQ 12 PLTRST_N

13 CLK_RUN_N 14 +3V3_DUAL

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Biostar A520MH 3.0 Specifications

General