Biostar

The maximum DDR3 speed for Intel G2020 CPU will be 1333 MHz.

So B75MU3B will support up to DDR3 1333 speed due to CPU specification limitation.

Please update SSD firmware v1.0 from Samsung website.

It will be able to fix the RAID problem.

http://www.samsung.com/us/support/owners/product/MZ-7TD250KW

1. Set Volume Control Options to HDMI or SPDIF output.

2. Install 3rd party DVD player like PowerDVD.

3. Set PowerDVD Audio setting for SPDIF as primary output.

4. Adjust DVD or Blu-Ray's audio playback setting to DTS output.

5. DTS sound will be able to playback through DTS supported amplifier.

Yes, it will support by Ubuntu 12.1.

Due to chipset limitation for B75 chipset, it will only be able to support one analog display for output.

So B75MU3+ cannot use DVI to D-Sub converter for support two analog display at same time.

However, it still be able to support on-board D-Sub+DVI or D-Sub+HDMI or DVI+HDMI combination for dual display output.

Windows 8 system require Execute Bit function for Intel CPU.

Please enable the CPU's Execute Bit function in BIOS, then the problem should be resolved.

However, if your CPU does not have this function, then it will not be able to support Windows 8 system.

Please install Windows 7 system if your Intel CPU does not support Execute Bit function.

Our motherboard will be able to support USB boot function.
By using USB converter to connect SATA DVD drive to USB port will be able to detect by motherboard BIOS and install Windows 7/8.
Then 4 SATA ports on board will be able to run under RAID configuration.

Go to CMOS> Chipset> North bridge >GFX configuration> Intergrated graphics, then set to [Force].

Then it will be able to select share memory size for on-board VGA.

1. Set memory frequency to 2133 MHz and reboot the system.

2. Go to CMOS again and set CPU FSB to 113 MHz.

Memory will be able to OC to 2400 MHz by these setting.

Yes, A55ML+ DVI port will be able to support video output with sound to HDMI monitor.