DFI Lanparty DK X48-T2RSB - Living Review

[CryptiK]

Ok, thanks for contacting them for me, I appreciate it. Not sure how it can be the CPU though.

Got the 8600 + GTX285 in and did some more testing.

Everest @ 4500 MHz (500 x 9) / 600 MHz / 5-5-5-15 / PL 7



SPI32M @ 4500 MHz (500 x 9) / 600 MHz / 5-5-5-15 / PL 7

Time = 10m 26.000s



Next I decided to push things more, and see what kind of times I could get while edging up the CPU and ram speed. I left the MCH at PL 8 as I was just getting to know the cpu and didn't want board instability complicating things.

SPI32M @ 4610 MHz (512 x 9) / 614.7 MHz / 5-5-5-15 / PL 8

Time = 10m 14.718s



SPI32M @ 4703. MHz (523 x 9) / 627.1 MHz / 5-5-5-15 / PL 8

Time = 10m 02.640s



Dropped to PL 7 and shed a few seconds leaving everything else untouched.

SPI32M @ 4703.5 MHz (523 x 9) / 627.1 MHz / 5-5-5-15 / PL 7

Time = 9m 58.953s



Everest @ 4703.5 MHz (523 x 9) / 627.1 MHz / 5-5-5-15 / PL 7



3DM01 @ 4.727 GHz / 630 MHz / 5-5-5-15 / PL 7



I did a little Everest bandwidth testing. Seems 565 FSB on the 5:6 divider using PL 8 is the max I can stabilize enough to bench, and that took 1.78 vNB. Think this is about as far as X48 and DDR2 can go on air on this setup.

555 FSB / 666 MHz (DDR2-1333 MHz) / PL 8



560 FSB / 672 MHz (DDR2-1344 MHz) / PL 8



565 FSB / 678 MHz (DDR2-1356 MHz) / PL 8

[Shiranui Gen-An]

I don't know how you can even boot into Windows on 500FSB PL7 with only 1.50 vMCH.

[Kelainefes]

It mostly depends on what kind of memory and what timings and strap you are using.

[CryptiK]

It is 300%+ HCI memtest (see attached SS) and orthos/linpck stable at 500 FSB PL7 at ~1.45v BIOS (1.42v real load).

I'm using my Team Group ram. I use the 333 divider, as for the timings I set 5-5-5-15, trfc 30, trrd 3, PL 7, rest on auto (you can see them above in memset). I set FAST/FAST & common clock & clock crossing settings to 'more aggressive'.

[Shiranui Gen-An]

Originally Posted by Kelainefes

It mostly depends on what kind of memory and what timings and strap you are using.

Team Xtreem 2x1GB DDR2-1200 on the 5:6 divider.

[Shiranui Gen-An]

Originally Posted by CryptiK

It is 300%+ HCI memtest (see attached SS) and orthos/linpck stable at 500 FSB PL7 at ~1.45v BIOS (1.42v real load).

I'm using my Team Group ram. I use the 333 divider, as for the timings I set 5-5-5-15, trfc 30, trrd 3, PL 7, rest on auto (you can see them above in memset). I set FAST/FAST & common clock & clock crossing settings to 'more aggressive'.

My DK X48 Plus won't even POST with those settings, using an E8400 and Team 1200 D9GKX. Crazy.

[CryptiK]

Have you tried seeing if cpu clock skews help? What about different ram kits? Does NB GTL Ref set to 0.61x help?

[CryptiK]

Tested my 8600 a little.

Max boot and SS on air @ 1.552 vcore (idle)

5062 MHz



Max SPI 1M on air @ 1.552 vcore (idle)

5035 MHz



Had another go at breaking 12K across the board in Everest. Without cranking the CPU up to ~5.08GHz to get the read up that last 203 MB/s, I don't see this getting any higher.

570 FSB / 684 MHz (DDR2-1366 MHz) / PL 8

[Shiranui Gen-An]

Originally Posted by CryptiK

Have you tried seeing if cpu clock skews help? What about different ram kits? Does NB GTL Ref set to 0.61x help?

It's just PL7 it doesn't like. If I set it to 8 with everything else the same it'll still at least boot. The strangest thing is, I have problems setting the clock crossing settings to More Aggressive/Aggressive on all my DFI boards (UT X48, LT P35 and DK X48), I almost always get tons of errors in Memtest.

[CryptiK]

You using the latest BIOS? That's about the last thing I can think of that could affect it. Setting more aggressive doesn't give me any errors unless the vNB is too low.

When I was 3D benching, I was able to use PL7, FAST/FAST and more aggressive at 528 FSB, with 1.63 vNB idle (1.65v BIOS). Didn't see how far I could push those settings though, and I have yet to see how far I can go and retain SPI32M stability.