The DX48BT2 has a Windows based BIOS Flash utility that is pretty intuitive and easy to use. Just run the exe you download off Intel’s site with the updated BIOS, and it will update the BIOS for you easily with a system reboot. The latest BIOS off Intel’s website are the 1554 released in May 1, 2008. Updating the BIOS was successful with the new BIOS.
The BIOS is split into Main, Advanced, Performance, Security, Power, Boot, and Exit menus. The Main menu has the BIOS Version, the Processor Type, the speed, the memory clock and the installed memory. The additional items on the Main Menu include the Language, System Date and Time. One oddity, the DDR-1600MHz I first installed on the board read as 1066MHz. Installing DDR-2000 Tracer memory read correctly as 1333MHz at first boot.
The Advanced Menu has the Boot Configuration, the Peripheral Configuration, Drive Configuration, Event Log Configuration, Video Configuration, Hardware Monitoring and USB Configuration menus. The Boot Configuration menu has the Fan controls, the Numlock control, the Max CPUID Value and Display Setup Prompt controls. If you’re looking for the Boot Priority that is in the Boot menu from the Main Menu prompt.
The Performance menu is where the overclocking is done. You need to agree to the altering of clock frequency error possibility screen, click Yes and you’re good to go. The Vcore can be changed from 1.2875 to 1.6V in 0.0125V increments. The FSB voltage can be set from changing the FSB Voltage Override parameter from 1.1V to 1.5V in 0.025V increments. The MCH/ICH Voltage Override parameter can be set from 1.25V to 1.7V in 0.025V increments.
Memory frequencies are set from the FSB of the CPU. The Memory Frequency parameter will change depending on the FSB. Changing the memory frequency is easy as the choices are 800/1066/1333 or 1600MHz. Note that the earlier note about 2GB being the maximum in 1600MHz mode and 1333MHz being the normal maximum for DDR3 memory supported on the board. The overclocking options on the board are not as robust as that found on other X48 boards from ASUS or Gigabyte, but the DX48BT2 is an Intel reference board, meaning that it really isn’t much of an overclocker. The board did overclock nicely to 4GHz on air, with the QX9770 but was unable to run benchmarks at that clock speed.

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Vishnu vardhan Reddy Boda is Tech Blogger and Software Engineer.

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