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Intel DX48BT2 + CM3X2048-1600C9DHX @ 1333Mhz?


davethezombie

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Hi:

 

I've seen lots of posts about the Intel DX48BT2 but haven't found a recipe that keeps the Vista 32 BSODs away with my configuration. I'm not trying to overclock or anything, just hoping to have my DDR3s running at top speed (1333MHz) with my processor & motherboard.

 

My Q9550 Extreme (333MHz FSB) should allow for 1333MHz, but defaults to 1066MHz in BIOS with the following settings:

 

tCL: 7

tRCD: 7

tRP: 7

tRASmin: 20

tRFC: 60

tRRD: 4

tWR: 8

tWTR: 4

tRTP: 4

Voltage: 1.54

 

Setting the overrides to 7-7-7-20-60-4-4-4-4 with a voltage of 1.70 (as seen in another post) still results in instant BSODs at login to Vista.

 

Is there a "known good" configuration for this mobo/processor/DIMM combinaton? If not, can you point me to the right Corsair part to ease my pain?

 

Thanks for your help.

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Download Memtest86+ V2.11 from--->

and extract the ISO image. Burn the ISO image to an CD-ROM disk.

Download CPU-z from
.
Performance

Host Clock Frequency Override = Manual
x Host Clock Frequency (Mhz) = 333

Memory Configuration

Reference Frequency = 333
Memory Frequency = 1333

tCL = 9
tRCD=  9
tRP = 9
tRASmin = 24
tRFC = 80
tRRD = 4
tWR = 10
tWTR = 5
tRTP = 5
Memory Voltage = 1.65v
MCH voltage = 1.35v
Command Rate 2T

Boot to the Memtest CD and allow for two full passes. Then, if stable, enter Windows and run CPU-z. Post screenshots of CPU-z's CPU, Memory and SPD tabs.

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