Gigabyte GA-A55M-DS2 User Manual

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(Note) Supported on Windows 7/Vista operating system only.
PME Event Wake Up
Allows the system to be awakened from an ACPI sleep state by a wake-up signal from a PCI or PCIe de-
vice. Note: To use this function, you need an ATX power supply providing at least 1A on the +5VSB lead.
(Default: Enabled)
HPET Support
(Note)
Enables or disables High Precision Event Timer (HPET) for Windows 7/Vista operating system.
(Default: Enabled)
 PowerOnByMouse
Allows the system to be turned on by a PS/2 mouse wake-up event.
Note: To use this function, you need an ATX power supply providing at least 1A on the +5VSB lead.
Disabled Disables this function. (Default)
Double Click Double click on left button on the PS/2 mouse to turn on the system.
 PowerOnByKeyboard
Allows the system to be turned on by a PS/2 keyboard wake-up event.
Note: you need an ATX power supply providing at least 1A on the +5VSB lead.
Disabled Disables this function. (Default)
Password Set a password with 1~5 characters to turn on the system.
Any KEY Press any key on the keyboard to turn on the system.
Keyboard 98 Press POWER button on the Windows 98 keyboard to turn on the system.
 KBPowerONPassword
Set the password when PowerOnbyKeyboard is set to Password. Press <Enter> on this item and set
a password with up to 5 characters and then press <Enter> to accept. To turn on the system, enter the
password and press <Enter>.
Note: To cancel the password, press <Enter> on this item. When prompted for the password, press <En-
ter> again without entering the password to clear the password settings.
 ACBackFunction
Determines the state of the system after the return of power from an AC power loss.
Soft-Off The system stays off upon the return of the AC power. (Default)
Full-On The system is turned on upon the return of the AC power.
Memory The system returns to its last known awake state upon the return of the AC power.
 Power-OnbyAlarm
Determines whether to power on the system at a desired time. (Default: Disabled)
If enabled, set the date and time as following:
Date (of Month) Alarm: Turn on the system at a specic time on each day or on a specic day in a
month.
Resume Time (hh: mm: ss): Set the time at which the system will be powered on automatically.
Note: When using this function, avoid inadequate shutdown from the operating system or removal of the
AC power, or the settings may not be effective.
ErP Support
Determines whether to let the system consume less than 1W power in S5 (shutdown) state. (Default:
Disabled)
Note: When this item is set to Enabled, the following four functions will become unavailable:
PME event wake up, power on by mouse, power on by keyboard, and wake on LAN.

Gigabyte GA-A55M-DS2 Specifications

General

Memory voltage	1.5 V
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR3-SDRAM
Maximum internal memory	32 GB
Supported memory clock speeds	1066, 1333, 1600, 1866 MHz
Supported memory module capacities	16GB, 1GB, 2GB, 4GB, 8GB
Processor socket	Socket FM1
Processor manufacturer	AMD
Compatible processor series	AMD A, AMD E2
Maximum number of SMP processors	1
S/PDIF out connector	Yes
Number of SATA II connectors	4
Number of SATA III connectors	-
Number of Parallel ATA connectors	0
BIOS type	AWARD
ACPI version	1.0b
BIOS memory size	64 Mbit
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component for	PC
Power source type	ATX
Motherboard chipset	AMD A55
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Compatible operating systems	Microsoft Windows 7/Vista/XP
RAID levels	0, 1, 10, JBOD
Supported storage drive interfaces	SATA II
Parallel processing technology support	Not supported
PCI Express slots version	2.0
Trial software	Norton Internet Security
Ethernet interface type	Gigabit Ethernet

Weight and Dimensions

Depth	174 mm
Width	225 mm