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CMX512-3200c2 with Asus A8V-Deluxe


h4zard

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I am having trouble with my 2 sticks of Corsair CMX512-3200c2. One is labeled XMS3202v3.2, while the other is XMS3202v1.1. When I try to use them in dual channel mode (in slots 1 and 3, the blue slots) my system will not boot. The only configuration I can get them to boot in is with the sticks in slots 2 and 3. In this case, my BIOS (revision 1017, I have tried earlier revisions as well) reports that I have only 512mb of RAM installed. I have searched the forums and have tried setting up my BIOS with the optimal settings (3-3-3-6, 2.7 voltage, Legacy USB off, AGP Aperature 128mb, etc.) but to no avail. I have tried other memory settings (2.5-3-3-6, 3-3-3-8, 2.5-3-3-8, all with both 2.7v and 2.8v, but this doesn't help either.

 

cpu-z reports that I have 1024mb of RAM, but that one module is running at 200mhz while the other is running at only 166mhz. When I put the v3.2 stick in by itself, cpu-z reports that I have 512mb of RAM running at 200mhz. When I put the v1.1 stick in by itself, cpu-z reports that I have 512mb of RAM running at 166mhz, despite its label of PC3200. Is it possible that the v1.1 stick is faulty? Thanks in advance for any help.

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Ok on the cpu-z Memory tab with both sticks in it says 1024mb, Frequency 157.3mhz, CAS 2.5, RAS to CAS 3, RAS 3, Tras 6, Trc 10, DRAM Idle 16, Command Rate 2T. I bought the two sticks at different times hoping that they would work together in dual channel and I realize the different version numbers is why they won't, but still shouldn't the v1.1 stick be running at 200mhz instead of ~166mhz regardless?
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Actually I have a pair of VS512MB400 Value Select sticks lying around and when I put them both in with the pair of CMX512-3200c2 sticks cpu-z reports 2048mb of ram running at ~157mhz, but Windows and BIOS only detect 1.5gb. And I'm still wondering why when I put the v1.1 stick in by itself it only runs at 157mhz instead of at 200mhz like it should.
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I have a pair of identical Corsair Value Select VS512MB400 PC3200 sticks in my Asus A8V Deluxe (latest BIOS, 1017) with an Athlon 64 3500+. In BIOS/Windows only 512mb is detected instead of the full 1024mb. All settings are correct in BIOS as far as I can tell (2:1 - 200mhz (DDR400), 3-3-3-8). When I run cpu-z, it detects memory size as 1024mb, but the Frequency is only 157.3mhz. Both sticks function correctly if I run them by themselves. Any ideas? Thanks
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