Gigabyte GA-A55M-DS2 (rev. 2.0) Realtek Audio Driver

APU
FM1 Socket:
- AMD A series & E2 series processors
- AMD Athlon II series processors/AMD Sempron series processors

Chipset   
- AMD A55 chipset

Memory   
- 2 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory (Note 1)
- Dual channel memory architecture
- Support for DDR3 1866/1600/1333/1066 MHz memory modules

Onboard Graphics APU:
* To use the onboard graphics, you must install an AMD APU with integrated graphics.
- 1 x D-Sub port
- 1 x DVI-D port, supporting a maximum resolution of 1920x1200 (Note 2)

Audio   
- Realtek HD audio codec
- High Definition Audio
- 2/4/5.1/7.1-channel (Note 3)
- Support for S/PDIF Out

LAN   
- Realtek GbE LAN chip (10/100/1000 Mbit)

Expansion Slots   
- 1 x PCI Express x16 slot, running at x16
- 1 x PCI Express x1 slot
- (All PCI Express slots conform to the PCI Express 2.0 standard.)
- 1 x PCI slot

Multi-Graphics Technology   
- Support for AMD Dual Graphics technology
- Only A series APUs support AMD Dual Graphics.

Storage Interface Chipset:
- 4 x SATA 3Gb/s connectors supporting up to 4 SATA 3Gb/s devices
- Support for RAID 0, RAID 1, RAID 10, and JBOD

USB Chipset:
- Up to 8 USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

Internal I/O Connectors   
- 1 x 24-pin ATX main power connector
- 1 x 4-pin ATX 12V power connector
- 4 x SATA 3Gb/s connectors
- 1 x APU fan header
- 1 x system fan header
- 1 x front panel header
- 1 x front panel audio header
- 1 x S/PDIF Out header
- 2 x USB 2.0/1.1 headers
- 1 x serial port header
- 1 x clear CMOS jumper

Back Panel Connectors   
- 1 x PS/2 keyboard port
- 1 x PS/2 mouse port
- 1 x D-Sub port
- 1 x DVI-D port
- 4 x USB 2.0/1.1 ports
- 1 x RJ-45 port
- 3 x audio jacks (Line In/Line Out/Microphone)

I/O Controller   
- iTE I/O Controller Chip

H/W Monitoring   
- System voltage detection
- APU/System temperature detection
- APU/System fan speed detection
- APU overheating warning
- APU/System fan fail warning
- APU/System fan speed control (Note 4)

BIOS   
- 2 x 32 Mbit flash
- Use of licensed AWARD BIOS
- Support for DualBIOS
- PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

Unique Features   

- Support for @BIOS
- Support for Q-Flash
- Support for Xpress BIOS Rescue
- Support for Download Center
- Support for Xpress Install
- Support for Xpress Recovery2
- Support for EasyTune (Note 5)
- Support for Smart Recovery
- Support for Auto Green
- Support for ON/OFF Charge
- Support for 3TB+ Unlock
- Support for Q-Share

Bundle Software   
- Norton Internet Security (OEM version)

Form Factor
- Micro ATX Form Factor; 22.5cm x 17.4cm

Note
(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
(Note 2) The DVI-D port does not support D-Sub connection by adapter.
(Note 3) To configure 7.1-channel audio, you have to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.
(Note 4) Whether the APU/system fan speed control function is supported will depend on the APU/system cooler you install.
(Note 5) Available functions in EasyTune may differ by motherboard model.

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Note: Try to set a system restore point before installing a device driver. It will help you restore system if  installed  driver not complete.