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mrmouse - 775Dual-VSTA @ 400MHz - 400.05 MHz Reference Frequency


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Congrats for a great result !!!

It looks like you have a very capable board also.

Have you tested if you can achieve similar frequency with a Conroe core ?

Wolfdale core might have helped a bit , i think.

 

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Posted (edited)

Today i have done a few more Benchruns with chilled Fluid on the NB.
Just double checked if 402/403 FSB is somehow possible; not today, not really.

@GRIFF
That was my first Thought, too ;)
The "Magical-400" on VIA PT880 Pro.

@TASOS
Thanks.
To be honest; no, i haven't tried any other CPU for max FSB on this Mainboard.
I had some Trials with this E8400 on other MBs and i knowed, that it can do easy 500 FSB.
So i decided to start with this CPU, to be sure that it isn't the limitation Factor.
Maybe i will try a Conroe for Science.

@Leeghoofd
You asked how high it would clock with Dual-Channel; i tested it.
So with 4:3-Ram i got a Validation at 373.88 MHz FSB with 1.98v on NB (https://valid.x86.fr/64s399)
With 1:1-Ram; a Screenshot with 365.08 MHz FSB and very lose Timings.
Before hitting some 3D-AGP Benchmarks there are a lot other Things and Mods that have to be done first.
And then there is the difficult Mission, to find somebody in my County who can sell me LN2 in smaller Lots.
max-fsb-ram-1to1.thumb.png.6f9f5c2f3553ad9e76e9c0a33895061c.png

@Noxinite
Thank you 😃
Maybe it is like you said; only some Quad-Core Improvements.
In my first Test-Round with the 775Dual-VSTA, the 4Core-VSTA and the 4Core-Sata, which is about one and a half years ago, i switched the BIOS Chips, to be able changing the BIOSes without flashing. Somehow for me there was no really big Change or Improvements.
But i tested it only with one QX9770 and different E5800 CPUs.

Best Greetings,
mrmouse

Edited by mrmouse
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You will need more than cooling , for a proper 3D session.

The board needs hardware mods for VRM section and Vdrop (voltage section is too weak).

Although , the best solution in an external voltage feed. (epower)

 

Good luck with your future testing and benching.

🙂

 

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Posted (edited)

Thank you for your Input and your Wishes :)
I'm fully aware of the Fact, that there are a lot more Things to do.
Especially that you can't force so much Voltage into the vAGP/vNB-Lane when using AGP-Cards.
And there is no real Solution to split them so you could adjust both separately.
I have got one or two Ideas, but till now i don't know how to accomplish them.
The very first EPower-Test was done; and then the 775Dual-VSTA got a Short-Circuit because of leaking Watercooling-Block ...
test-one-water-dead.thumb.jpg.3301fd6ccb24dad739e8e47fc8d099b5.jpg

Edited by mrmouse
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Posted (edited)
7 hours ago, mrmouse said:

The "Magical-400" on VIA PT880 Pro.

Any specific BIOS options or hardware stuff that helped getting there besides voltage?
What's interesting, these AsRock board's BIOS has lots of menus hidden. I could unhide them but it'll take much time to test them and how they influence overclocking.

Edited by Antinomy
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@TAGG
Thanks TAGG :)
Yes, i have some Links.

There are two Kinds of this 5-Digit Voltmeter; the "DC 0-33.000V" shows at every Range 3-Digits after Point.
The "DC 0-4.3000-33.000" shows till 4.2999 4-Digits after Point and after hitting 4.300 it switches to 3-Digits after Point.
The ebay-Seller "diy-electronic" was the Dealer where i got the 5-Digit LCDs from.
But there is another Seller, which sells these Voltmeters; alice-electronic.
On Overclock.net i made a own Thread about Voltage Display's (Voltmeter, Voltage Monitoring, LED Panel)
Hopefully this Informations are what you asked for.

@Antinomy
I agree with you. These BIOS have some tricky and "strange" Options; and you will need a lot of Time to test the Influence.
What Options helped a bit, were the "CLKBUF" and "3V66 Group Delay".
But only for the very last MHz to get the Validation File saved uncorrupted.
Can i ask you, what you exactly mean with "unlock"?
Like on the old Gigabyte-Board with a Hotkey/Key-Combo like "CTRL+F2" or through editing/modifying the BIOS itself?

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Posted (edited)
42 minutes ago, mrmouse said:

through editing/modifying the BIOS itself?

This. Menu items have been created, but aren't published on CMOS setup pages. You can open these BIOS files with AMIBCP (3.37 or 3.46) and look at the "BIOS strings" tab. There are some strange names over there.
I've got a 4CoreDual-SATA2 board but haven't played with it yet.

Edited by Antinomy
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