Biostar

Please refer the ATI's list of VGA card model which can support Hybrid CrossfireX.

HD4350 is not the Hybrid CrossfireX supported model.

However, it will be able to support CrossfireX by using two HD4350 VGA cards.

1GB and 2GB memory combination will still work for the Dual Channel memory model on G31-M7 motherboard.

However, the DDR speed will lower to 667 MHz by chipset defaul setting.

Normally, motherboard BIOS will detect VGA card and disable on-board VGA automatically.

However, you can still manually disable it in BIOS.

1. Press Delete key in POST screen to go to CMOS

2. Go to Chipset> Internal Graphics Ocnnfiguration> Internal Graphics Mode> Disable

3. Save and exit the CMOS setting

It will disable on-board graphic for the motherboard after restart.

This noise is the echo sound from speaker to microphone.

Open the Realtek audio utility then disable the Mic echo in the Microphone setting.

Please refer attached picture for detail.

USB 2.0 driver will support by the Windows XP SP2 or SP3 version.

Please log on the Microsoft website to download the latest service pack for your OS.

Also check the cable which supports USB 2.0, otherwise, USB speed might not run at USB 2.0 speed.

1. Please refer the picture for setting two different Microphone input control as Front and Rear at same time. It will be able to detect the rear microphone properly.

2. For set the front audio as default Mic output, please see this picture.

3. For set the front audio as default Mic output, please see this picture.

LED1 LED2 both off >> BIOS related problem or motherboard abnormal

LED1 on, LED2 off >> memory error

LED1 off, LED2 on >> VGA error

LED1 LED2 both on >> Normal

Please update the latest ATI Catalyst display driver 9.1 for resolve the problem. Please refer following FAQ for the detail information. http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questionID=39986

Here is an FAQ from AMD to resolve the HDMI® problem for HD2xxx VGA cards. http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questionID=29037

Seagate has announced hard drive's quality issue on their webiste.

「Barracuda 7200.11」「DaimondMax 22」「Barracuda ES.2 SATA」these models might see the problem.

The problem also including HDD detect issue,or can not boot into Windows, copy files failed (system might hang-up & blue screen...) .....etc.

Please refer to the link below.

http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?Tab=search&Hilite=&Module=selfservice&&TargetLanguage=selfservice&DocId=207931&NewLang=en