Will DDR 500 Work with Asus Nforce 4 SLI mobo?

[AznSensation]

I recently bought new Asus Nforce 4 SLI motherboard along with PQI's PC 4000 (DDR 500, 3-4-4-8 timings) memory... i wonder if the memory is compatible with this motherboard since the manufacturer's specs stated that it only supports up to DDR 400

please help me thanks

 

[Rhin0]

Just wondering, why did you buy the DDR500 in the first place?

It will probably work but it will only run at DDR400



Edit: IF IN DOUBT CALL THE MANUFACTURER!!

 

[VigilanteCS]

It should, I have a K8N Neo Platinum thats rated for up to 3200 (ddr400), but before it fried I was running ddr433 in it, it just downclocks itself to ddr400. And no, the ram had nothing to do with my motherbaord frying.

 

[icejunkie]

Originally posted by: Rhin0
Just wondering, why did you buy the DDR500 in the first place?

It will probably work but it will only run at DDR400



Edit: IF IN DOUBT CALL THE MANUFACTURER!!

This is what I dont understand then. If you buy DDR500 its suppose to run at 250Mhz, correct? Now, if the Motherboard supports only up to DDR400 (200Mhz), then how come when you overclock the DDR400 to 250Mhz it isn't the same thing as just sticking in a pair of DDR500s?

Wow, did I make sense? Am I stupid?

 

[AznSensation]

so did i just made a stupid choice? so what if i want to overclock the FSB? anways it was more expensive than DDR 400... gah i feel stupid now

 

[JBT]

lol guys the mobo only "supports" up to DDR 400 because the company is only gaurenteeing that speed. you can obviously OC the mobo to DDR 500 no problem...

 

[icejunkie]

Originally posted by: JBT
lol guys the mobo only "supports" up to DDR 400 because the company is only gaurenteeing that speed. you can obviously OC the mobo to DDR 500 no problem...

So OCing DD400 to DDR500 is basically the same thing as just sticking DDR500 chips in there... That's all I want to know...

 

[ts3433]

They can't state they support speeds above DDR400 because there is no official JEDEC specification higher than that. Anything above DDR400 is overclocking memory--DDR400 that's just guaranteed to run higher speeds. This is why often you will see similar overclocks by 2-2-2-5 DDR400 and CL2.5 DDR500, for example--it really comes down to the chips used in the memory and the PCB they're put on.

 

[imported_Computer MAn]

Originally posted by: ts3433
They can't state they support speeds above DDR400 because there is no official JEDEC specification higher than that. Anything above DDR400 is overclocking memory--DDR400 that's just guaranteed to run higher speeds. This is why often you will see similar overclocks by 2-2-2-5 DDR400 and CL2.5 DDR500, for example--it really comes down to the chips used in the memory and the PCB they're put on.

 

[AznSensation]

so you guys are saying taht i can get 2.6 ghz out of my new 3200 winchester core, 1 gig of DDR 500, Asus Nforce 4 SLI mobo, 500 watt power supply, and zaalman's 7700-CU (massive fan) with no trouble?

i bought this to overclock it to 2.6 ghz... i wish it can be done... i paid alot with my tight budget

 

[LTC8K6]

Yep, there is no standard above PC3200 or DDR400 so that's all the mobo mfgs can say their boards support.

There likely won't be either. Faster than that will be DDR2.

 

[Philippine Mango]

.... Just want to confirm things for a friend, he's got a 1.8/1.9ghz pentium 4 in his system with PC2100 memory and a designed standard fsb max of 400mhz (100 non quad) and he says he can overclock up to 200MHZ so I told him that since he has a socket 478 board that he can just get a P4 2.8GHZ processor and since he bought pc 3200 ram he can also stick that in there, "overclock" the board and then have it run at default speeds. Question is, will this likely work?

 

[meltdown75]

Originally posted by: AznSensation
I recently bought new Asus Nforce 4 SLI motherboard along with PQI's PC 4000 (DDR 500, 3-4-4-8 timings) memory... i wonder if the memory is compatible with this motherboard since the manufacturer's specs stated that it only supports up to DDR 400

please help me thanks

so did ya buy 2 videocards for that beast?

 

[w00t]

rofl that is great u guys shouldnt mess with people so much what if he was to return the ram or give it to a friend or burn it ect just tell him straight out. yes the ddr500 is find it will run at ddr400 the reason they make ddr500 is to overclock

 

[LTC8K6]

Originally posted by: Philippine Mango
.... Just want to confirm things for a friend, he's got a 1.8/1.9ghz pentium 4 in his system with PC2100 memory and a designed standard fsb max of 400mhz (100 non quad) and he says he can overclock up to 200MHZ so I told him that since he has a socket 478 board that he can just get a P4 2.8GHZ processor and since he bought pc 3200 ram he can also stick that in there, "overclock" the board and then have it run at default speeds. Question is, will this likely work?

What you propose should work as long as the board doesn't freak out with an unrecognized CPU. There could also be hyperthreading issues. What board?

BTW, there are 5 different 2.8Ghz S478 P4's by my recollection

2.8 400FSB Northwood
2.8 533FSB Northwood B
2.8A 533FSB Prescott
2.8C 800FSB Northwood C with HT
2.8E 800FSB Prescott with HT

 

[LifeStealer]

Originally posted by: ts3433
They can't state they support speeds above DDR400 because there is no official JEDEC specification higher than that. Anything above DDR400 is overclocking memory--DDR400 that's just guaranteed to run higher speeds. This is why often you will see similar overclocks by 2-2-2-5 DDR400 and CL2.5 DDR500, for example--it really comes down to the chips used in the memory and the PCB they're put on.

JEDEC needs to get off their butts. Its been what....? Two years now?

 

[ts3433]

It's unlikely they'll make a new specification for DDR1--but there's not really a need for one, as even the fastest current CPUs still use 200MHz buses of some sort (400 FSB AXP--DDR bus, 800 FSB P4--quad data rate, and the A64--Hypertransport multiplier of 4 or 5 to yield an effective 800MHz or 1000MHz HT bus).

 

[Mavrick007]

When you overclock with an A64 machine, it doesn't need to have memory:fsb ratio to be 1:1 like the AXP machines needed otherwise they would take a large performance hit, so that's why you can still overclock your machine really well and run slower ram, such as the PC3200 ram. You don't NEED to pay the big $ to buy PC4200/4400 to get very decent performance because all the extra speed ram will really do is give you a few extra % in performance.

 

[Googer]

Originally posted by: icejunkie

Originally posted by: Rhin0
Just wondering, why did you buy the DDR500 in the first place?

It will probably work but it will only run at DDR400



Edit: IF IN DOUBT CALL THE MANUFACTURER!!

This is what I dont understand then. If you buy DDR500 its suppose to run at 250Mhz, correct? Now, if the Motherboard supports only up to DDR400 (200Mhz), then how come when you overclock the DDR400 to 250Mhz it isn't the same thing as just sticking in a pair of DDR500s?

Wow, did I make sense? Am I stupid?

When you pay for DDR500 you are getting better grade memory chips that are known to safely operate at those speeds. Overclocking DDR400 to DDR500 Speeds makes the DDR400 much more likely to become instable and will not perform as well as The TRUE DDR500.

DDR400 Chips or DIMMS @ 250MHz will need to be run at higher voltages and latencey versus DDR500 @ 250MHz. I recomend buying one speed grade higher than you intend to overclock. If you do not overclock DDR500 it will RUN @200MHz-DDR400 but at a much lower and more stable latency. Oh, and at lower voltage too.

 

[Googer]

Originally posted by: ts3433
They can't state they support speeds above DDR400 because there is no official JEDEC specification higher than that. Anything above DDR400 is overclocking memory--DDR400 that's just guaranteed to run higher speeds. This is why often you will see similar overclocks by 2-2-2-5 DDR400 and CL2.5 DDR500, for example--it really comes down to the chips used in the memory and the PCB they're put on.

Correct!

 

[Googer]

Originally posted by: AznSensation
so you guys are saying taht i can get 2.6 ghz out of my new 3200 winchester core, 1 gig of DDR 500, Asus Nforce 4 SLI mobo, 500 watt power supply, and zaalman's 7700-CU (massive fan) with no trouble?

i bought this to overclock it to 2.6 ghz... i wish it can be done... i paid alot with my tight budget

There are no GUARANTEES when it comes to overclocking.

 

[Gothgar]

some peeps in the thread sound confused...

putting in a stick of ddr500 RAM into a motherboard that is DDR400, the RAM will have to slow itself down to DDR400, so you basically are wasting money doing that.

The exception of cource is if you overclock your FSB, this will increase the speed at which the RAM and the CPU operate. if you have DDR500 RAM, you don't need to do anything to RAM (such as raise voltage, loosen timing, etc.) it will just increase as you increase your FSB to 225 FSB, when you go past that, you will have to start actually "overclocking" the RAM

 

[jlambvo]

I put PQI DDR500 memory in my setup which is pretty much identical to the setup you describe, AznSensation. It was about the same price as really good PC3200, so I figured why not. It's running at a 250FSB (10x CPU, 4x HTT, no voltage or timing adjustments) now for a few days without a hitch. I get 6.8GB/s read on my memory.

 

[stevty2889]

Originally posted by: Philippine Mango
.... Just want to confirm things for a friend, he's got a 1.8/1.9ghz pentium 4 in his system with PC2100 memory and a designed standard fsb max of 400mhz (100 non quad) and he says he can overclock up to 200MHZ so I told him that since he has a socket 478 board that he can just get a P4 2.8GHZ processor and since he bought pc 3200 ram he can also stick that in there, "overclock" the board and then have it run at default speeds. Question is, will this likely work?

Like others have said there are 5 different 2.8ghz P4's. What it sounds like you want to do is put a 800mhz FSB 2.8 in there with pc3200 memory. Just because the board can oveclock to 200mhz FSB, does not mean it will run a 800mhz FSB p4. I would not risk it. I made that mistake once. I had an asus p4t-e that was a 400mhz fsb board, but would overclock to 533mhz FSB. I tried running a 533mhz FSB CPU on it and it fried the PSU and the motherboard.