Biostar G31-M7 User Manual

Motherboard Manual
14
JUSB3/JUSB4: Headers for USB 2.0 Ports at Front Panel
This motherboard provides 2 USB 2.0 headers, which allows user to connect
additional USB cable on the PC front panel, and also can be connected with
internal USB devices, like USB card reader.
Pin Assignment
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
19
210
JUSB3
JUSB4
10 NC
JAUDIOF1: Front Panel Audio Header
This header allows user to connect the front audio output cable with the PC front
panel. This header allows only HD audio front panel connector; AC’97 connector
is not acceptable.
Pin Assignment
1 Mic Left in
2 Ground
3 Mic Right in
4 GPIO
5 Right line in
6 Jack Sense
7 Front Sense
8 Key
9 Left line in
10 Jack Sense
1
9
2
10

Biostar G31-M7 Specifications

General

Form Factor	Micro ATX
CPU Socket	LGA 775
Memory Type	DDR2
Memory Slots	2 x DIMM
Maximum Memory	4 GB
Storage Interface	4 x SATA 3Gb/s, 1 x IDE
Integrated Graphics	Intel GMA 3100
Audio	Realtek ALC662 6-Channel HD Audio
Video Outputs	1 x VGA
Chipset	Intel G31
CPU Support	Intel Core 2 Duo, Intel Pentium Dual-Core, Intel Celeron
Expansion Slots	1 x PCIe x16, 2 x PCI
LAN	Realtek RTL8102EL 10/100 Mbps
USB Ports	8 x USB 2.0 (4 on back panel, 4 via headers)
Rear Panel I/O Ports	1 x PS/2 Keyboard, 1 x PS/2 Mouse, 1 x VGA, 4 x USB 2.0, 1 x RJ45 LAN, 3 x Audio Jacks