Biostar

If use USB keyboard or mouse, press Delete key in POST screen to go CMOS> Advanced> Power Configuration> USB wakeup From S3/S4 set this function Enabled.
Also need to set JSUBV1 and JUSBV2 to pin 2-3 for motherboard to provide 5V stand-by power to USB devices for resume.

If need to power on motherboard through PS2 keyboard or mouse, press Delete key in POST screen to go CMOS> Advanced> SuperIO Configuration> Keyboard PowerOn / Mouse PowerOn. Set these two functions to Enabled.
Save the CMOS setting and make sure system reboot once to POST screen then use power switch to turn off system power.
It will be able to use keyboard or mouse for power on at S4 or S5 condition.

Note: Turn off PSU power source or unplug the power cord will cause PS2 keyboard or mouse power on function fail. This function will be able to use again after system reboot once.

If you see S3 issue for Intel P55 series motherboard, please refer the following trouble shooting procedures for solution.

(1) Unplug power cord.
(2) Unplug all power cable and CMOS battery.
(3) Refer user manual to clear CMOS by jumper JCMOS1.
(4) Plug all the power cable and CMOS battery back to motherboard.
(5) Boot up system, then enter BIOS CMOS setup to Load Optimized default setting. Set S3 function and press F10 to save CMOS setting.
(6) Re-check S3 function.
(7) If S3 issue persist, please go back to procedure (1) and do the procedure again.

If ATI motherboard southbridge uses SB850, Samsung HDD might need to update firmware for resolve compatible issue.

Please refer Samsung website for detail information and firmware update.

http://www.samsung.com/global/business/hdd/faqView.do?b2b_bbs_msg_id=308

When use AMD 6 core (E0 stepping) CPU, CMOS menu will show the Core Performance Boost function for it.
If user wish to let CPU to run with minimum power, enable Core Performance Boost, K8 Cool&Quiet control, and C1E Support in CPU functions.
It will let the CPU core speed run at 800 MHz when system idle. If user want to run the CPU at maximum speed, turn off these three functions will be able to do it.

When system running with F6 unlocKING function, it might cause kernel problem during BIOS update. Please load optimized default setting for CMOS before update new BIOS.

1. Intel H55 chipset motherboard will require CPU with graphic core inside to support motherboard's on-board D-Sub / DVI / HDMI® display output.

2. Dual display will only support one analog and one digital output at same time. Two digital output will not function properly. So DVI and HDMI® display cannot use at same time.

Dual display setting can be set by VGA driver's utility.

3. VGA driver will be supported when use CPU with graphic core.

HDMI® driver is combine in chipset driver package. Also need to support with CPU with graphic core.

4. When switch CPU from non-graphic core to graphic core. VGA and chipset drivers will need to install again.

For Intel H55 chipset under Windows XP OS

There will be an error message during VGA driver installaion if don't install Microsoft .NET Framework
You could press "Yes" to continue the VGA driver installation process.

After driver installation, when openning Intel VGA utility, there will be a notice for Microsoft .NET Framework.

We suggest to install Microsoft .NET Framework 3.5 for fully support VGA driver's functions.

http://www.microsoft.com/downloads/info.aspx?na=90&p=&SrcDisplayLang=zh-cn& SrcFamilyId=d0e5dea7-ac26-4ad7-b68c-fe5076bba986&u=http%3a%2f%2fdownload.microsoft. 2fdownload%2f2%2f0%2fE%2f20E90413-712F-438C-988E-FDAA79A8AC3D%2fdotnetfx35.exe

If use Windows XP SP3, it will support HDMI® audio device by build-in driver.

However, Windows XP SP2 does not have build in HDMI® audio driver, so it will need to install driver manually for support HDMI® audio device.

1. After OS installation, insert driver CD for auto install all the drivers.

Next reboot, check Windows Device Manager will see the uninstall device.

2. Insert driver CD again and select Manual function, then install VGA driver again.

3. Windows SP2 should be recognize the Intel HDMI® audio device properly after driver install.

Download or update the latest Flash Player in following link.

http://labs.adobe.com/downloads/flashplayer10.html

Also need to download following plug-in to fix the problem.

The maximum memory support for AMD AM3 200 series CPU will be DDR3 1066 MHz speed. Over 1066 MHz speed is over CPU's support limitation. So system might be come unstable when memory is overclocking.