Posted by Paul on March 12, 2010, 2:26 pmPlease Register and login to reply and use other advanced options
Yup, that "Integral IN2T2GNXNFX" is the part number, as you can see
here. It is DDR2-800 CAS6 memory. Go ahead and use it that way.
The thing is, if you do the arithmetic, CAS5 at DDR2-667 is going to be
roughly the same as CAS6 at DDR2-800, so there is no latency difference
measured in nanoseconds, between the two of them. But there is a
bandwidth difference, and so you'd select DDR2-800 as the operating
point, since it has higher bandwidth. The BIOS will likely select that
setting as well, barring an inability to find a divider to enable that speed.
CAS5 * 800/667 = 5.997, so CAS5 @ DDR2-667 has same latency as CAS6 @
Set it to DDR2-800, if it isn't there already, and start your testing.
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