Disabled Case Opened Displays the detection status of the chassis intrusion detection device attached to the motherboard CI header. Enabled clears the record of previous chassis intrusion status and the Case Opened field will show “No” at next boot. Read the following instructions on configuring a Dual Graphics system. Use this audio jack for a headphone or 2-channel speaker. Row Cycle Time Options are: The adjustable range is dependent on the CPU being installed.

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Download Gigabyte GA-A55M-DS2 (rev. ) Realtek LAN Driver for Windows 7, Windows 7 64 bit

To flash the BIOS, do it with caution. The message in Figure 1 will appear. Inadequately altering the settings may result in system’s failure to boot.

Do not place gz-a55m-ds2 jumper cap on the headers. Enabled clears the record of previous chassis intrusion status and the Case Opened field will show ga-a55m-ds2 at next boot.

Connect the power supply cable to the power connector in the correct orientation. Press and hold the power button for 4 seconds to turn off the system. Connect a monitor that supports D-Sub connection to this port. Plug the monitor cable into the graphics card and start up your computer.


The Drv section will show the number of disks assigned. To meet expansion requirements, it is recommended ga-a55k-ds2 a power supply that can withstand high power consumption be used W or greater.

The locations of the drivers for Windows 7 are as follows: For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

Gigabyte GA-A55M-DS2 – 1.1 – motherboard – micro ATX – Socket FM1 – AMD A55

Or click Install Single Items to manually select the drivers you wish to install. Memory The system returns to its last known awake state upon the return of the AC power.

The BIOS defaults settings help the system to operate in optimum state. You may connect your chassis front panel audio module to this header.

Remove the monitor cable from the graphics card and plug it into the integrated graphics port on the back panel and ha-a55m-ds2 your computer. Carefully read the manual that came with your expansion card. The driver Autorun screen is automatically displayed which looks like that shown in the screen shot below. Disabled If enabled, set the date and time as following: Disabled Set Memory Clock Determines whether to manually set the memory clock.

WEEE Symbol Statement The symbol shown below is on the product or on its packaging, which indicates that this product must not be disposed of with other waste. Capability Enables or disables the S. When enabled, the CPU core frequency and voltage will be reduced during system halt state to decrease power con- sumption. Auto default90ns, ns, ns, ns, ns. Row Precharge Time Options are: If you do not want to create Nehwork, you may prepare only one hard drive.


For purchasing the op- tional COM port cable, please contact the local dealer.

If you are unable to insert the memory, switch the direction. It is recommended that memory of the same capacity, brand, speed, and chips be used. Default Disabled Disables this function.

Check the fan condition or fan connection when this occurs. Ga-a55m-sd2 inserting the driver disk, “Xpress Install” will automatically scan your system and then list all the drivers that are recommended to install. Auto default1T, 2T.