Need help on ASUS DSEB-DG

[bearcatrp]

Got this board to get the 800 mhz FSB. Got it installed today, fired it up, and its at 677 mhz. I have pc2-6400 240 pin FB-Dimm (8gb) installed. PO'ed a bit after the money I just stuck in this to upgrade. Anyone have the answer to correct this? Sent Asus a email too. Also, any suggestions on tweeking this? tnks

[Jaco]

Your cpu's are probably 333 FSB , hence the memory will run 667Mhz.
I'm not sure if you can force the 800Mhz ram setting ... maybe this only works with 400 FSB chips.

[ibby]

The 800 fsb boot strap will only engage if your processor supports it.

You could try changing the divider for the memory ratio.

[ND40oz]

What processors are you using?

[Gamekiller]

My first thought was: "Throw it out of the window!" but that always comes to mind when I read of Asus!

Sorry for not being helpful!

[bearcatrp]

What processors are you using?

E5420 xeons 2.5Ghz.

[ND40oz]

E5420 xeons 2.5Ghz.

You're running 1333 CPUs...you need a E5462, E5472, X5472, x5482 or X5492 with the 1600 fsb and get 800 mhz fb-dimms running full speed. Or you need a D5400XS so you can overclock.

[bearcatrp]

Thanks for the info. Guess I didn't do my homework. Expensive lesson.

[ND40oz]

Really, you're not going to see to much difference between the bandwidth, it's still a pretty kick-ass board and it supports crossfire, not that that will help with WCG though. It'll still put out some points though.

[bearcatrp]

I was already using an asus mobo with 677 FSB. Ordered new mobo, psu, ram, humongous heat sinks and some fans for this upgrade. Ouch! since I went this far, might as well go the rest of the way. Found some 3ghz ones for 350 new. Oh well, live and learn.

[jcool]

Dude.. don't spend another 350 bucks on old tech. Seriously.
You can do a simple pin mod to the CPUs, making them run at FSB400. Any E5420 should be able to handle that speed at stock Vcore.
Here's what you need to do:



Just tape those 2 pins (it's called a BSEL mod) and enjoy the speed upgrade to FSB400 / 3Ghz CPU. Oh yeah, the DSEB's clockgen is supported, so you can also increase FSB using SetFSB in Windows (even beyond 400, my E5420's back in the day did FSB430 prime stable at stock volts).

[shoota]

^ now that was an answer.

[ND40oz]

Yes, you can pad mod your current chips as well. Be careful if these things are going to be crunching 24/7 though, it'll come down to if you got a pair of decent chips since you have no voltage control.

[bearcatrp]

Pad mod?

[jcool]

Come on, this is XS! And that BSEL mod is really really simple. Just cut a small piece of insulation tape and put it over the pins marked above (so they don't make contact with the socket).
Nothing will happen to your chips, even if you mess it up.. worst thing that can happen is the board doesn't post and you need to redo the mod.

By the way, Intel 5400 chipset boards can only ever run a 1:1 FSB to Dram divider. Would get too complicated with the Quad-Channel interface and the AMB chips otherwise.

[[XC] Hicks121]

Dude.. don't spend another 350 bucks on old tech. Seriously.
You can do a simple pin mod to the CPUs, making them run at FSB400. Any E5420 should be able to handle that speed at stock Vcore.
Here's what you need to do:



Just tape those 2 pins (it's called a BSEL mod) and enjoy the speed upgrade to FSB400 / 3Ghz CPU. Oh yeah, the DSEB's clockgen is supported, so you can also increase FSB using SetFSB in Windows (even beyond 400, my E5420's back in the day did FSB430 prime stable at stock volts).

Sorry but had to quote this.

jc is them man!!!

Just get some black electrical tape & do this....very easy.....dont use the cheapy stuff either, get some 3m 33+.

Oh ya....what's going on guys?

[bearcatrp]

Might contact newegg to see if i can return this board for a 1366 mobo and put my original set up back together. As hot as these chips get when crunching, wont the tape melt after awhile?

[s0lid]

Might contact newegg to see if i can return this board for a 1366 mobo and put my original set up back together. As hot as these chips get when crunching, wont the tape melt after awhile?

Oh my no, i had tape mod for my old E5310s which ran aroung 80c/core for half year.

[[XC] Hicks121]

Oh no, youll be all good bro. Try it out before you do anything that will cost you more $$$$. You cant mess the chip up doing this & you can take it off anytime you want to.

[bearcatrp]

I will give it a shot. As for over clocking in windows, am running ubuntu so any way to do this in ubuntu?

[Movieman]

BSEL mod worksfine.
I did this on a pair of X5350 Clovertowns..(10 multi)
default is 2666/8mb/1066
Modded is 3330/8mb/1333
Now they wouldn't run at 3330 with stock volts so I dropped the multi to 9, used setFSB to up the memory to 355( from 333) and ran at 3157mhz for almost 3 years.
Took cpu's out just recently and tape was fine, everything fine..
Have fun

[bearcatrp]

Thanks for all the help. I will do the mod first, then come back for detailed instructions to do the rest. Will this mod work On a asus dsbv-dx board? I have a pair of 2ghz xeon dual core processors from an old Mac pro collecting dust and the old asus board I wouldn't mind experimenting with. The mobo is 677 bus only. I can use the old parts from this rebuild to do this if it's possible. Just have to get an OS for it, probably ubuntu since it's free. Not worried if I fry it experimenting.

[Movieman]

Thanks for all the help. I will do the mod first, then come back for detailed instructions to do the rest. Will this mod work On a asus dsbv-dx board? I have a pair of 2ghz xeon dual core processors from an old Mac pro collecting dust and the old asus board I wouldn't mind experimenting with. The mobo is 677 bus only. I can use the old parts from this rebuild to do this if it's possible. Just have to get an OS for it, probably ubuntu since it's free. Not worried if I fry it experimenting.

What you can do is what was stated above with those old dula core xeons.
Are they 5120's? 1860/4mb/1066's?
They BSEL just fine to 2330/4mb/1333 and can be pushed up a little from there with SetFSB.,.

[bearcatrp]

Xeon 5130's.

[Movieman]

Xeon 5130's.

no need to BSEL those for a 1333 board..
They are already 1333's
http://ark.intel.com/Product.aspx?id=27216