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Problems running at 400mhz


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Hi ive purchased 1gb (2 x 512) corsair twinx xl pro. Its supposed to run at 400mhz but i downloaded cpu-z and it says each stick is running at 200mhz.

I have an asus k8v se deluxe motherboard which doesnt support

dual channel memory. I would be grateful if you could help me with this problem.

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Please test the modules one at a time and with these modules you would need to set the Dim Voltage to 2.8 Volts and with 2 modules they would need to be installed in slots 1-3 or 2-3 as well.

With this MB I would suggest you set the Rass to Cass to "3" so I would set these timings and then set the Dim Voltage to +.2 Volts:

CAS Latency CL=2.0

Row Cycle Time tRC Bios Default

Row Refresh Cyc Time tRFC Bios Default

Ras# to CAS# delay tRCD 3

Row to Row delay Bios Default

Min Ras# Active Time tRAS 11

Row Precharge Time tRP 2

Write Recovery Time Bios Default

Write to Read delay Bios Default

Read to Write Delay Bios Default

Refresh Period tREF Bios Default

Enable 2T Timing Disabled

Then test the system with http://www.memtest.org and make sure it's stable! If you have problems, I would set Enable 2T Timings to AUTO and test it again!

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