Striker Extreme + 4x Corsair CM2X1024-6400C4

If you are going insane with your ASUS Striker Extreme motherboard in combination with four Corsair CM2X1024-6400 CL4 DDR2 PC800 memory modules this might help you.

With only two 1 GB modules (2 GB total) you can run it at recommended timings, voltage and frequency (everything should be set manually in BIOS):

  • CAS-Latency: 4
  • RAS to CAS (tRCD): 4
  • RAS Precharge (tRP) 4
  • Tras: 12
  • Trc (Bank Cycle Time): 22
  • Command Rate/Command Per Clock (CMD): 2T
  • Voltage: 2.1V
  • Frequency (effective): 800 MHz

But with four 1 GB modules (4 GB total) and the settings above your system will be instable (random bluescreens) and Memtest86+ (v.4.0) will show errors during Test 4 and 5.

This is a phenomenon of the ASUS Striker Extreme and the ASUS P5N32-E SLI Plus motherboards. Somehow they cannot handle 4 memory modules with these settings.

To get rid of the bluescreens and the memory errors reported by Memtest86+ (v.4.0) you have to set the timings to AUTO and the frequency to 666 MHz:

  • CAS-Latency: AUTO
  • RAS to CAS (tRCD): AUTO
  • RAS Precharge (tRP) AUTO
  • Tras: AUTO
  • Trc (Bank Cycle Time): AUTO
  • Command Rate/Command Per Clock (CMD): AUTO
  • Voltage: 2.1V
  • Frequency (effective): 666 MHz

Now run Memtest86+ (v.4.0) again and you should not see any errors anymore thus giving you finally a stable system.

Your motherboard will choose other timings instead of the recommended ones (see CPU-Z results below) but that is something you have to live with:

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Ein Kommentar zu Striker Extreme + 4x Corsair CM2X1024-6400C4

  1. Mammaplank sagt:

    Dude…,

    This article is great :-), tnx for publishing it on the web. I was going insane as well. I got to the point where I figured out it was a combination of motherboard and memory, but your settings finaly seem to have fixed the problems. How did you ever figure this out?

    I do think it is amazing that Asus has this memory module on its recommended hardware list and does not even properly support it. Even worse…, they did not fix it within any firmware update.

    My problems increased during summer (when it gets hotter). Your settings seem to work out superb.

    Tnx again!

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