AM2 has problem with RAM dividers

As I posted here several months ago it seems that Inq is reporting that AM2 has trouble aligning HT speed with different speeds fo RAM. If Ht is at 200, then 667RAM is off a lot. If HT is at 333 then 1066RAM is off.

Hopefully there'll be some answers tomorrow.

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Quote :

As I posted here several months ago it seems that Inq is reporting that AM2 has trouble aligning HT speed with different speeds fo RAM. If Ht is at 200, then 667RAM is off a lot. If HT is at 333 then 1066RAM is off.

Hopefully there'll be some answers tomorrow.

You worry too much.

Reply to spud

No big deal, I see that as more overclocking headroom, just pump the HTT up until your memory is back within specs and enjoy a small 100~260MHz OC on the CPU.

Reply to SidVicious

I wouldn't call it worrrying since I won't be buying it, but I was thinking that it would be difficult to run the divider with DDR2 speeds. It will either come out too low or too high (that maybe why nVidia is pushing the overclocking platform). 200 HT will need to run RAM at 600, 800, 1000, or 1200.
333HT will need to run RAM at 666, 1333, 2000. A sticky thing. I actually thought that maybe why 667 sucks. It will be running at 600. The closest common multiple for 200-667 is 2000 or 10/3. Not very common on mobos.

AT least nVidia is trying something.

Reply to BaronMatrix

But the average person would think you were speaking alien if you said that. Of course nVidia is promoting overclocking - maybe for this very reason - but I hope they have a lot of benchies tomorrow with RAM tests.

I'm curious to see how this is going to work.

Reply to BaronMatrix

Early adopters of Socket AM2 won't be the average joe six-pack, even then, only a curious end-user would notice the subtle difference between the rated and effective frequency.

We will most likely see people drop here saying "Help ! DDR2 memory running slow !" after having used CPU-Z or a similar tool. Obviously, the answers they'll get will range between "Don't worry", "Just set an higher HTT" and "OMGWTFLOL N00B ! CONROE RULEZ0R!!!TILDE111"

Reply to SidVicious

hands up who thinks the last answer.
if the frequency is off by a little are you really going to notice in a real world app.

Reply to Strangestranger

If HP and the like put out systems advertising DDR2, Joe Average will buy it over DDR. They may never know to run CPU-Z.

But I guess we'll find out by the end of the week.

Reply to BaronMatrix

Easy solution: just buy DDR2 800. I would be surprised if 667 becomes the standard if AMD is supporting 800 and especially since intel is supporting 800 also.

Reply to theaxemaster

Quote :

I wouldn't call it worrrying since I won't be buying it, but I was thinking that it would be difficult to run the divider with DDR2 speeds. It will either come out too low or too high (that maybe why nVidia is pushing the overclocking platform). 200 HT will need to run RAM at 600, 800, 1000, or 1200.
333HT will need to run RAM at 666, 1333, 2000. A sticky thing. I actually thought that maybe why 667 sucks. It will be running at 600. The closest common multiple for 200-667 is 2000 or 10/3. Not very common on mobos.

AT least nVidia is trying something.

Quote :

Hopefully there'll be some answers tomorrow.

Hopefully implies you are worried otherwise you would have said; "There will be some answers tomorrow." so yes stop worrying. Your not going to buy a AM2 platform? But you always thought so highly of it.

Reply to spud

Quote :

If HP and the like put out systems advertising DDR2, Joe Average will buy it over DDR. They may never know to run CPU-Z.

But I guess we'll find out by the end of the week.

Hehehe yeah hmmm I wonder if I started a company and named it "DDR4" and sold memory chips if people would think it was better too... The sad sad part is I would probably sell tons of memory just becouse of the attitude "1 is good 2 is better and what ever the higher number is thats got to be the best !!!!" Same thing helped Intel sell ALOT of P4's with the Ghz thing

Reply to JonathanDeane

Quote :

I wouldn't call it worrrying since I won't be buying it, but I was thinking that it would be difficult to run the divider with DDR2 speeds. It will either come out too low or too high (that maybe why nVidia is pushing the overclocking platform). 200 HT will need to run RAM at 600, 800, 1000, or 1200.
333HT will need to run RAM at 666, 1333, 2000. A sticky thing. I actually thought that maybe why 667 sucks. It will be running at 600. The closest common multiple for 200-667 is 2000 or 10/3. Not very common on mobos.

AT least nVidia is trying something.

Quote :

Hopefully there'll be some answers tomorrow.

Hopefully implies you are worried otherwise you would have said; "There will be some answers tomorrow." so yes stop worrying. Your not going to buy a AM2 platform? But you always thought so highly of it.

I said hopefully not because I am worried but because I am curious. Remember that K8 RAM speed is USUALLY CPU/x where x is usually the HT multiplier. DDR2 800 is running at 400 which is only achieved at CPU speed 2800 when x = 7 but for a 2800 CPU HT multiplier is 14.

If you look at my sig you'll see that I have enough PC for now. I just bought it 6 months ago. That's why I'm not upgrading. Maybe in 6 months I will switch out my board for AM2 5000+ but maybe not because I'm about to get 2 more GBs of RAM. An FX60 is a great upgrade path from my 4400+.

Reply to BaronMatrix

Quote :

I wouldn't call it worrrying since I won't be buying it, but I was thinking that it would be difficult to run the divider with DDR2 speeds. It will either come out too low or too high (that maybe why nVidia is pushing the overclocking platform). 200 HT will need to run RAM at 600, 800, 1000, or 1200.
333HT will need to run RAM at 666, 1333, 2000. A sticky thing. I actually thought that maybe why 667 sucks. It will be running at 600. The closest common multiple for 200-667 is 2000 or 10/3. Not very common on mobos.

AT least nVidia is trying something.

Quote :

Hopefully there'll be some answers tomorrow.

Hopefully implies you are worried otherwise you would have said; "There will be some answers tomorrow." so yes stop worrying. Your not going to buy a AM2 platform? But you always thought so highly of it.

I said hopefully not because I am worried but because I am curious. Remember that K8 RAM speed is USUALLY CPU/x where x is usually the HT multiplier. DDR2 800 is running at 400 which is only achieved at CPU speed 2800 when x = 7 but for a 2800 CPU HT multiplier is 14.

If you look at my sig you'll see that I have enough PC for now. I just bought it 6 months ago. That's why I'm not upgrading. Maybe in 6 months I will switch out my board for AM2 5000+ but maybe not because I'm about to get 2 more GBs of RAM. An FX60 is a great upgrade path from my 4400+.

Reply to BaronMatrix

I somewhat doubt the validity of this.

AMD spent so much time tweaking performance out of AM2, how could they mess _this_ up?

maybe there's more to it.

Reply to Legenic

Quote :

I somewhat doubt the validity of this.

AMD spent so much time tweaking performance out of AM2, how could they mess _this_ up?

maybe there's more to it.

The easy thing to do is look a the dividers available for your mobo. Then calculate the RAM speed using CPUspeed/X. See what numbers you come up with for the different clock speeds.

Reply to BaronMatrix

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