8500 RAM on the P35-DS4

[Craig321]

Hi,

I've been told that 8500 RAM, by default, will only run at about 6400 speeds.

Would I need to change the multipler/FSB speeds to get this RAM running at it's full 1066MHZ 8500 speeds?

I'd need to do something like 533x6 (3.2GHZ) right?

Or do you not need to overclock the CPU to get the 8500 RAM running full speed?

Thanks,
Craig.

[Clunk]

Are you running the CPU at stock speeds?

[Craig321]

Not sure yet, haven't got the PC quite yet. Just wondering what the best way is to make my RAM run at 8500 speeds?

[Clunk]

If the CPU is at stock, you just need to go into the bios and choose a divider.

Like this, choose the 1067 divider, which is the last in the list.

[Craig321]

A nice, thanks very much Clunk.

Would I then also set the voltage to 2.2 & the latencies to 5-5-5-15 (stock speeds for Ballistix 8500)?

Thank you,
Craig.

[Clunk]

Yes, but dont forget, if you start overclocking your CPU, you need to put the RAM back to 1:1, or youll soon run out of steam, as you up the FSB, the RAM speed raises automatically.

[Andy3536]

Setting the ram speed on these boards is completely automatic, you will not need to change or do anything going from one ram speed to another. It detects the ram speed itself and just tells you what it is in the bios.

[Clunk]

Setting the ram speed on these boards is completely automatic, you will not need to change or do anything going from one ram speed to another. It detects the ram speed itself and just tells you what it is in the bios.

No it doesnt.

[Craig321]

Yes, but dont forget, if you start overclocking your CPU, you need to put the RAM back to 1:1, or youll soon run out of steam, as you up the FSB, the RAM speed raises automatically.

Ok, so if I decide to overclock my E6600 should I be putting my RAM back to 533 and then let the motherboard keep it at 1:1? Could I not set the FSB to something like 360x9 (about 3.2Ghz) and still have my RAM at 1066? Or would that just mess up?

THanks,
Craig.

[Clunk]

I am sorry, I must have been posting in two threads about a similar thing, for some reason, I thought you were on a P5K.

Same kind of principle though, but the bios looks a bit different.

When you set the FSB to 360, and then go and look at the dividers, youll see that they are all different to what they were when the FSB was at 266.

Its just a case of finding a divider that is at a speed that is good for your setup. Some dividers arent stable at certain speeds, so its just a case of having a play about with different settings until you find the right ones.

[Andy3536]

I am sorry, I must have been posting in two threads about a similar thing, for some reason, I thought you were on a P5K.

Same kind of principle though, but the bios looks a bit different.

When you set the FSB to 360, and then go and look at the dividers, youll see that they are all different to what they were when the FSB was at 266.

Its just a case of finding a divider that is at a speed that is good for your setup. Some dividers arent stable at certain speeds, so its just a case of having a play about with different settings until you find the right ones.

Trust me, what my previous post says is 100% right, you may have been mistaken on the board but check my system on the right, i have the board he's talking about!

[Andy3536]

Ok, so if I decide to overclock my E6600 should I be putting my RAM back to 533 and then let the motherboard keep it at 1:1? Could I not set the FSB to something like 360x9 (about 3.2Ghz) and still have my RAM at 1066? Or would that just mess up?

THanks,
Craig.

Ram frequency is all done automaticly! You will not need to fiddle wth any of the frequencys with your ram on a p-35 ds3

[Clunk]

Trust me, what my previous post says is 100% right, you may have been mistaken on the board but check my system on the right, i have the board he's talking about!

Yep, but you dont have PC2-8500 RAM, and thats what he is asking about. See my post about the JEDEC specs.

The RAM sticks themselves have the SPD table that tells the motherboard what speed to set the RAM at.

There is no official JEDEC spec for PC2-8500 RAM, so the manufacturers give the RAM the highest spec, which is PC2-6400.

The board then thinks the RAM is PC2-6400, and you have to manually set the divider to 1066mhz.

[Andy3536]

Her?
Ok didn't know that about the 1066 ddr2 ram, i shall bow down before your brilliance

[Clunk]

Sarky git

[Craig321]

So I can just set the clock of the RAM to 1066 and the timings to 5-5-5-15 and I'm good to go?

Thanks,
Craig.