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WHICH ONE??? --- Asus P4B533-E (845e board) OR Asus P4B533-V (845g board)

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last post before i hit the sack.

right now i'm at 145fsb, 1:1, vcore 1.6 (default is 1.5), and ddr voltage is upped by .1 as well.

this feels way faster than a 134fsb with 3:4.

 
Looks as if I missed you before bedtime.

I've got 512Mb Corsair XMS3000C2, which I'm hoping to run at 400, but will be happy at 370. Obviously not at CL2.

I want to get my memory performance to that of RDRAM PC800. Otherwise I will feel guilty about not buying an RDRAM motherboard.
 
JuicyFruit, you may get 150fsb with another bump of v-core, your cpu is getting close to it's limit...good luck on that 🙂. I hit 155fsb on default voltage, stable, so your 1.8a doesn't look like it'll go that high. It's a new one, tho, so we'll see. You won't hurt your chip as long as you stay below 1.75v-core (actual). I could push mine a little higher but I like the voltage where it is. Try setting your fsb/mem bus ratio to 1:1, that might help with stability at higher speeds.

Jola, your memory will handle the stress...😉
 
To all -V board users:
I'm about to purchase the -V board.
What 512MB memory should I get. Mfg name & part #?
Should it be single sided?
Thanks
 
I thought the -V boards were having trouble with Corsair memory? I've read several different forums where ppl have been having trouble with the corsair ram in the -V boards. Is this right?
 
This rumour has surfaced a few times, but always speculative and has never been confirmed by anyone. It may just be an incorrect supposition by someone that is now going around in circles.

Anyone have hard evidence that Corsair XMS is a problem with P4B533-E or V?
 
1.75v core is max on my board, i think. if i set it to 1.75, will my cpu burn up? BUT if it doesn't burn up, how long do you think until it does go kapoot (sp?).

further reading indicates a v-core overvolt? don't think i should do it but just curious as to what the gains/losses are.
 
I wouldn't go anymore on the voltage unless you want take a chance frying your CPU.Personally,I would be more at 1.7V.They say 1.75v is the max you should go.Also,you should do a lot better with 3:4 ratio,you stopped at 134fsb.Of course it will be faster with 145fsb at 1:1 compared to 134 at 3:4.You should be able to get it up around the same as 1:1 if not more depending on your ram and CPU.In your case,it sounds like 3:4 ratio is better for you and get your memory up there.I can only get my 1.6a up to about 146-148FSB stable and 3:4 would be better in that case with memeory running around 390DDR.At 1:1 my memory won't even be running at spec 333,run at about 280-290DDR.Unless you can run in the mid to the high 155-159fsb.You should test both ratio's out and see which runs better for you and the highest O/C you can get with each.When I first put my system together I could only got to 145fsb and 2 days later I got it too 153FSB in both 1:1 and 3:4 unstable.My ram is holding me back a little.How much I really don't know.
 
doooood, i can't even get it to post at 136fsb 3:4. argh, this is so annoying.

is it my ram? i did 134 at 3:4 357ddr and spec is 333, right?

bleh.
 
Hey All,
Well I still haven't gotten my new board cuz I wanted to wait for the price drop to occur sometime next month. While I am waiting for that to happen, I've been just reading forums. I thought my decision was pretty clear and i was gonna go with the p4b533-v board but reading the new 845E roundup i've noticed the gigabyte GXP-8iexp board being an intriguing option. I know that this board has a lot of nice features pretty much same as the p4b533-E board but is cheaper, so I was wondering if anyone had any experience with the gigabyte board and the Asus -V board who can shed some light. It'll prob be same as deciding between the asus -E board and the asus -V board but i was just wondering. Thanks.
 
BigBoy, don't get the 8IEXP, it has problems with memory O/C.

I am getting a P4B533-V today, am nervous because there have been negative reports about this board as well.

But no -E's in stock and I don't want to wait. Will post my conclusions as soon as possible.
 
Thanks Jola. I read about u getting the -V board. Hopefully you can finally give some conclusive results on the mem issues as well as how good and reliable the board is. Looking forward to the posts.
 
Check my specs, I can't run my system stable at 4:5 2.5/3/3/6 with a fsb of 160, with the memory I've got it shouldn't have had any problems.
 
Detoyminador, you make me worry. I agree that you should not have any problems with your specs.

Except if you have a bad 2.26B, which is unlikely. How have you set your PCI/AGP bus? - could the problem be there?

Maybe you could up your CPU vcore a little (to 1.6v?). Maybe a little extra voltage on the memory (2.65?).
 
Detoyminador_, have you tried the Corsair forums over at houseofhelp.com? Seems as if there is an issue with your stick of XMS. I'm running at 160FSB on my P4B533-V with a stick of CMX512-3200C2 at 4:5 via SPD speed settings and all is well.
 
Beefcake, after all your concerns it seems that you came off all right. Congratulations.

I seem to be taking on your previous nervous role.

But my 512Mb XMS3000C2 is a bit older than your memory. And some of the other guys having problems are making me nervous.

My supplier has been messing me around, but I should have my P4B533-V tomorrow. Wish me luck, I don't know what I am going to do if I have difficulties. I won't be able to return this board, unless it has a hard problem. I don't think that fine-tuning memory overclocking would qualify.

After all the problem reports on the V, I would have been happier with an E, but I can't get hold of one.
 
Man, so many probs with mem. Do you guys know if there are any probs using Samsung memory on the -V board?

So Jola, are u saying u would rather go with the -E board now? I thought the -V board was good cuz it had support for DDR333 without OC. So if u wanna OC the mem then the -E would be better?
 
My 512 MB stick of Samsung 2700 is working fine at stock speed/settings w/Turbo mode enabled, I can't give you any OC info though, my CPU won't hit high enough of an FSB for any real kind of RAM OC.

...Oh yeah, I posted this in a thread in the OC forum but it's postable here too, I was able to get POSTage out of a few more FSB settings with the 1004.012 BIOS for the (V) board. I haven't seen many comments about this BIOS so maybe this'll be useful to someone else who has the board. Seems pretty bug-free so far, and POSTs faster.
 
hey painman, what cpu do u have? I was wondering what is Turbo mode? I've heard ppl mention it and know that u need to turn it off if u wanna oc but not sure what is actually does.
 
Got a 1.8A. Looks like its absolute stable top speed is going to be under 2.4 GHz... no meaningful memory OC with that chip. I'm not sure what the Turbo setting does either, but if you're not OCing the RAM, it's a free little kick in the pants for your benchies.
 
Jola, my agp/pci settings are at 70.26/35.13 could this be the problem? I'll try turning it down to 66/33 and do the other coupleof things you suggested.
 
BigBoy, my heart says I should take the V because it is newer and has the (unofficial) 167.5MHz DDR support.
But in view of all the problems my common sense tells me that the E is safer, as many users have done high memory o/c on this without any problems. The E also supports 3:4 memory ratio above 133MHz (using dip switch trick), which means that you can run the memory higher. Which is why many people have managed to run their memory at 200MHz with this board, even with "A" CPU's (it is easy? with a "B"). 1.33 is just that little higher than 1.25, but practically you certainly wouldn't be able to tell the difference. But at FSB=150 (max for many "A" CPU's) the E would run the memory at 400 (200MHz DDR), whereas the V would "only" do 375 (187.5MHz DDR). 400 sounds much better. Nice to break a barrier, isn't it?

Unfortunately I can't get the E at the moment, so may just go for the V - I just hope that I don't regret it. I will post and let you know how it goes, maybe even today (my supplier is messing me around, should have had it last week).

DeToyminador, you never know, maybe something in your PCI/AGP bus doesn't like that speed. Although it is not excessive.
Try 33/66 until you get the system stable - and up your voltages a little - shouldn't be necessary to go over 1.7 for the CPU (try to keept it at 1.65 or below) and 2.7 for the memory. And just check your temperature - try to keep CPU below 55 C under full load. (Maybe 58, but then make sure that it drops to 30's when idle).

From the posts that I have seen 1.725 volt or higher for the CPU and 2.8 volt or higher for the memory is living dangerously. My maximums have been 1.675 and 2.7 volts.

My 1.8 could run at 2.52GHz 29 C idle, 51 C at full load (Sandra burn-in and Prime95 simultaneously under winXP)

And be sure to let us know.
 
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