Biostar A55MH User Manual

A75MH / A55MH
7
2.2 FAN HEADERS
These fan headers support cooling-fans built in the computer. The fan
cable and connector may be different according to the fan manufacturer.
Connect the fan cable to the connector while matching the black wire to
pin#1.
CPU_FAN1: CPU Fan Header
41
Pin
Assignment
1 Ground
2 +12V
3
FAN RPM rate
sense
4 Smart Fan
Control (By Fan)
SYS_FAN1: System Fan Header
13
Pin
Assignment
1 Ground
2 +12V
3 FAN RPM rate
sense
Note:
CPU_FAN1 supports 4-pin head connector. SYS_FAN1 supports 3-pin head connector.
When connecting with wires onto connectors, please note that the red wire is the positive
and should be connected to pin#2, and the black wire is Ground and should be
connected to GND.

Biostar A55MH Specifications

General

Memory channels	Dual-channel
Number of memory slots	2
Supported memory types	DDR3-SDRAM
Maximum internal memory	16 GB
Supported memory clock speeds	800, 1066, 1333, 1600, 1866 MHz
Processor socket	Socket FM1
Processor manufacturer	AMD
Compatible processor series	Intel® Pentium® Dual-Core
Maximum number of SMP processors	1
Power fan connector	Yes
Number of SATA II connectors	6
Number of Parallel ATA connectors	0
USB 2.0 ports quantity	4
Component for	PC
Power source type	ATX
Motherboard chipset	AMD A55
Audio output channels	5.1 channels
Motherboard form factor	micro ATX
Compatible operating systems	Windows XP/Vista/7
Supported storage drive interfaces	SATA II
Parallel processing technology support	Not supported
PCI Express slots version	2.0
LAN controller	Realtek RTL8111E
Ethernet interface type	Gigabit Ethernet
BIOS type	-

Weight and Dimensions

Depth	200 mm
Width	244 mm