Locking the ram to 800Mhz on a GA-P35-DS3P?

Had3s

Had3s

Had3s

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20 Dec 2006
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216
Hi.

I've just fired up a P35 Gigabyte board with a Q6600 and some Ballistix PC2-800 memory. The problem is, that when I up the FSB with ram goes up along with it. In the options I can only see Auto, 2.5,3,3.5 etc and therefor no way to lock the ram speed at 800, nor do I see a way to change the ram voltage to anything other than Auto (it should be 2.2v). I've got the latest P9 BIOS.

Can anyone help?
 
Do Ctrl-F1 on the main bios screen then go into MIT. This will give you more RAM overclocking options.

If you push the FSB past 400 the ram will have to run at that. There is no way to get RAM running slower than the FSB on P35 boards.
 
I know about the Ctrl F1 but it doesn't help. Im using 800Mhz ram and the FSB is at 333 just now, meaning the ram is up at 830 or thereabouts. Using the 'Auto' setting puts the speed to 1000Mhz, which is too high. The lowest setting that i can select instead is 2.5, which = 830Mhz. I wan't to lock it at 800 constantly if that makes sense.
 
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I've just fired up a P35 Gigabyte board with a Q6600 and some Ballistix PC2-800 memory. The problem is, that when I up the FSB with ram goes up along with it. In the options I can only see Auto, 2.5,3,3.5 etc and therefor no way to lock the ram speed at 800, nor do I see a way to change the ram voltage to anything other than Auto (it should be 2.2v). I've got the latest P9 BIOS.
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There is no way to lock it to any particular speed. All you can do is run it at a RAM:FSB 1:1 ratio (in the Gigabyte BIOS this is 2.0x) or higher. Since 2.5x is 832MHz and 2.4x (2.4 x 333 = 799MHz) probably isn't a multiplier option, your closest non-overclocking match is probably 2.0x (666MHz). Alternatively you could lower the bus clock to 320 but then you're probably underclocking the CPU (or not overclocking it as far as it will go).

Depending the RAM, though, the memory overclock you're currently running could be fine (although as you say you may have to give a little bit more voltage).
 
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