ASUS P5Q Premium Reviewajmatson -
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The BIOS of the ASUS P5Q Premium makes everything so easy. The majority of the values that can be set in the AI Tweaker section are just keyed in. For instance, if you want to set the voltage of your memory on most boards you press Enter and then select the preset values that are there for you. On the P5Q Premium you enter the voltage you want such as 2.10 for the memory voltage and that is what it sets at. The Over Voltage jumpers on the board will allow you to increase the voltages over the caps if needed.
To overclock the ASUS P5Q Premium you must first change the AI Overclock Tuner to "Manual." This will un-hide the options you need to change the front side bus and the multiplier. One note is that if you enter a multiplier that the CPU does not support it will go to the default multiplier for that processor. In this case it would default to 8x.
The memory speeds and timings on the P5Q Premium give you a lot of room to play with. The memory speeds give you presets based on the FSB of the system using straps. The default for the Q9450 started from DDR2-667Mhz and went all the way to DDR2-1200MHz in specified increments. You also have control over just more than the CAS, tRCD, tRP, and tRAS like on most boards. Here you have multiple options to fine tune the memory for the best speeds and performance possible.
As with the options for speed, the voltage options are plentiful. You can control the voltage on more components than just the normal CPU, Memory, and Northbridge voltage found on many other BIOSes. This is important for keeping an overclock as stable as possible with no errors or BSODs.
Now that the BIOS is set up, let's get into the drivers and other software of the ASUS P5Q Premium.