Biostar G31D-M7 User Manual

Motherboard Manual
16
JUSBV1: Power Source Header for USB Ports
Pin 1-2 Close:
+5V for USB ports at JUSB2/JRJ45USB1.
Pin 2-3 Close:
+5V STB for USB ports at JUSB2/JRJ45USB1.
1
3
Pin 1-2 close
1
3
1
3
Pin 2-3 close
JCOM2: Serial port Connector (Optional)
The motherboard has a Serial Port Connector for connecting RS-232 Port.
Pin
Assignment
1 Carrier detect
2 Received data
3 Transmitted data
4 Data terminal ready
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator
10 Key
1
2
9
10

Biostar G31D-M7 Specifications

General

Form Factor	Micro ATX
CPU Socket	LGA 775
Memory Type	DDR2
Memory Slots	2 x DIMM
Maximum Memory	4GB
Storage Interface	4 x SATA 3Gb/s, 1 x IDE
Integrated Graphics	Intel GMA 3100
Video Outputs	1 x VGA
Chipset	Intel G31
Memory Standard	DDR2 667/800
Expansion Slots	1 x PCI Express x16, 2 x PCI
Audio	Realtek ALC662 6-Channel HD Audio
LAN	Realtek RTL8102EL 10/100 Mbps
USB Ports	4 x USB 2.0 (Rear)
Power Connector	24-pin ATX