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TWIN2X2048-8500C5DF timings issue


oiluj

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Hi all!!

 

I have a 4GB (2x 2GB) kit named TWIN2X2048-8500C5DF. It consists on 2 modules named CM2X2048-8500C5D (2x Dominator 2GB DDR2-1066 or PC2-8500, 5-5-5-15 @ 2.1V). MB is an Asus P5K-Premium WiFi-AP (Intel P35 Chipset).

 

Here are the captures of what Aida64 says about the modules SPD and about what Chipset say that they are really working:

http://img717.imageshack.us/img717/1571/aidaspd.pnghttp://img69.imageshack.us/img69/3074/aidachipset.png

 

1- The first issue is about the blue fields. Modules SPD says that the Row Cycle Time (tRC) must be 22T. But... most similar setting I find in my BIOS is Row Refresh Cycle Time (tRFC) that is 52T. There is nothing in the BIOS called tRC. Are tRC and tRFC the same? I guess they aren't, but... I can't find any "tRC" in the BIOS so I can set it to 22T.

Anyway, tRFC is in [Auto] by default in BIOS, and then Aida64 says that it is 52T. Is that OK?

 

2- Second thing is about the red arrow fields. Modules SPD says that Write Recovery Time (tWR) must be 8T. If in BIOS, that setting is in [Auto] and Aida64 says that it is 14T.

In BIOS, I manually set tWR to 8T, I restart and... as you can see in the capture Aida64 says that it is 16T!!! Do I have to select 4T in BIOS so then Aida64 says that it is really set to 8T (double than in BIOS)? Why if I manually set it to 8T in BIOS... then Aida64 says that it is 16T? Should I leave it in [Auto] so then Aida64 says that it is 14T?

 

Hope you can help me. Thank you!!!!!!!

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