How far dare I push the voltages?

[[GSV]Trig]

Does the board not tell you what the rams doing, my AB9Pro does, thought these 2 boards were very similar..
Check in the CPU tweaky bit, tells u under where u set the ram divider..

[EarlGrey]

You are just possibly hitting a strap at 333. Try leaping over it. Change the divider to the memory (to make sure it is no problem, you can change it back later - most 667Mhz mem can hit around 800 anyway...) with the mem slowed down, and the timings loosened, jump to 340MHz and run orthos again.

And make sure you have disabled the stuff mentioned by daza, else you can't unleash the boards potential!

If you are lucky you will get it up much faster than that...!

Good luck

[Lowe]

vMCH sounds a bit low to me... this has affected stability of my OCs a lot in the past, but a bit odd as you haven't OCd the ram. Which exact ram is it, the corsair xms pc6400 cas4 needs 2.1v....

Hmm, it was the stuff that eBuyer were selling for about 36 quid a few months back with Google Checkout? MD posted about it on here

[Lowe]

Found it:

Corsair 2GB Kit (2x1GB) DDR2 PC2-5400 (675MHz)CL4 - £35.20 del

http://forums.hexus.net/showthread.p...hlight=corsair

[GSte]

That was a bargain.... supposed to run at rated spec at 1.9v..... odd that you're having probs, but I'd try upping the vMCH a bit. Should be plenty more available on that board, just increase it a few notches and see if it helps stability. My vMCH with standard heatsink is at 1.65 and the heatsink is only warm, just to give you a rough idea of how high you can go.

[Lowe]

Found the problem - the divider was set to something daft like 4:5

I just changed it to 1:1, and I've been able to hit 335x9 now without any issues. Just running Orthos on it now, but so far so good

[Lowe]

Also... I've got "Enable disable bit" and "Virtualisation Technology" enabled at the moment. What do they do and why does turning them off make things better?

[Agent]

They will make no difference for what you are doing - Ignore them

[Lowe]

Hmm... is 400x9 taking the mick? Dunno how high to aim now this seems to be working heheh!

[0iD]

Go for it it's a buzz

[Lowe]

350x9 and we're all good so far with Orthos

I think I'm gonna leave it there for tonight and give it a good gaming session to see if she survives lol!

[GSte]

Ah, the notorious 4:5 divider

[Lowe]

Well, bit of an update, with stock volts it's running 350x9 with no problems at faster RAM timings. Thanks for the help guys