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All X38 and X48 motherboards that support DDR2 memory can run DDR2-1066 speeds with stability, so long as the RAM is set up right in BIOS.MSI sent over their newest motherboard using Intel's latest and greatest. It's just a matter of having the right RAM and using the correct timings and voltage. Even if it's only to make sure it'll run RAMs at >=1066mhz, it's good enough already. The Patriot forums are the same, X38 users can't get their system stable with RAMS over 1066 or not even that.Maybe that X48 "official" support is something to consider, it might be the fix to the X38 we users are looking for. A selected few have come to accomplish it however, which leads me to think those were the lucky ones who got the good shipment, like you. But in every case it boots up fine.The Asus forums are full of users who can't get stability in any way with >=1066mhz ram on X38 boards. At 1020mhz it'll only reboot if I run something more demanding like 3dMark06 or any new game, at 1100mhz it'll barely show the Windows loading screen then reboot, above 1120mhz it'll not even load windows and freeze. Whenever I try anything above 1020mhz for the RAM my PC reboots the higher it is the less time it takes to do it. But I must say that either you were lucky that your X38 P5E3 Deluxe came with a better-than-average chipset or that I wasn't so lucky and got a malfunctioning one.I have an Asus Maximus Formula which is, as you know, the Republic of Gamer's solution for the X38 and recently bought a Patriot Extreme Performance 1150mhz PC2-9600. OblivionspellGreat review, very detailed and informative. Maybe that X48 "official" support is something to consider, it might be the fix to the X38 we users are looking for. The Patriot forums are the same, X38 users can't get their system stable with RAMS over 1066 or not even that. The Asus forums are full of users who can't get stability in any way with >=1066mhz ram on X38 boards. I have an Asus Maximus Formula which is, as you know, the Republic of Gamer's solution for the X38 and recently bought a Patriot Extreme Performance 1150mhz PC2-9600. But I must say that either you were lucky that your X38 P5E3 Deluxe came with a better-than-average chipset or that I wasn't so lucky and got a malfunctioning one. Great review, very detailed and informative.
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