Biostar A320MH User Manual

Chapter 2: Hardware installaon | 13
A320MH / B350MHC
2.6 Jumper & Switch Setting
The illustraon shows how to set up jumpers. When the jumper cap is placed on pins, the
jumper is “close”, if not, that means the jumper is “open”.
Pin opened Pin closed Pin 1-2 closed
JCMOS1: Clear CMOS Jumper
The jumper allows users to restore the BIOS safe seng and the CMOS data. Please carefully
follow the procedures to avoid damaging the motherboard.
Pin 1-2 Close:
Normal Operaon (default).
Pin 2-3 Close:
Clear CMOS data.
Clear CMOS Procedures:
1. Remove AC power line.
2. Set the jumper to “Pin 2-3 close”.
3. Wait for ve seconds.
4. Set the jumper to “Pin 1-2 close”.
5. Power on the AC.
6. Load Opmal Defaults and save sengs in CMOS.

Biostar A320MH Specifications

General

Form Factor	Micro ATX
Chipset	AMD A320
CPU Socket	AM4
Memory Slots	2 x DIMM
Max Memory	32 GB
Video Outputs	1 x HDMI, 1 x VGA
LAN	Realtek RTL8111H Gigabit LAN
Memory Speed	DDR4 1866/2133/2400/2667 MHz