Biostar A55MH User Manual

A75MH / A55MH
11
ATXPWR1: ATX Power Source Connector
This connector allows user to connect 24-pin power connector on the ATX
power supply.
1
12
13
24
Pin Assignment Pin Assignment
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 Ground 3 Ground
16 PS_ON 4 +5V
17 Ground 5 Ground
18 Ground 6 +5V
19 Ground 7 Ground
20 NC 8 PW_OK
21 +5V 9 Standby Voltage+5V
22 +5V 10 +12V
23 +5V 11 +12V
24 Ground 12 +3.3V
Note:
Before you power on the system, please make sure that both ATXPWR1 and ATXPWR2
connectors have been plugged-in.
PCI1: Peripheral Component Interconnect Slot
This motherboard is equipped with 1 standard PCI slot. PCI stands for Peripheral
Component Interconnect, and it is a bus standard for expansion cards.
PCI1

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