DS3, DS4 & DQ6 Current & Future Owners

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Having major problems with mine, which should all hopefully be sorted later today. When I built my rig, like a lot of people all I was getting was a constant re-start, with not post or beeps etc....

Having done a bit of research it turns out that all of these Gigabyte boards have a stock VDIMM voltage of 1.8v and most people (like myself) are buying PC6400 ram (800mhz) to run with it. Whether running the F1 or the F2 bios the stock voltage is set to 1.8v and most PC6400 ram runs higher than 1.8v.....

If you're gonna buy one of these boards, don't fall into the same trap as me and look around for something like the Geil PC6400 which runs @ 1.9-2.2v and should be fine.....

Later today I am planning to go and buy a stick of cheap DDR2 ram and hopefully that will allow me to reach bios and up the VDIMM voltage to allow me to use my XMS2.....
 
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ive got same spec.built lastnight but was able to run with geil6400 at 1.8v ...most boards will not recognize the e6+++ and default it lower than stock so the undervolted ram should be fine...i flashed my bios in dos too-cant see a problem here...my opinion
 
corky said:
ive got same spec.built lastnight but was able to run with geil6400 at 1.8v ...most boards will not recognize the e6+++ and default it lower than stock so the undervolted ram should be fine...i flashed my bios in dos too-cant see a problem here...my opinion
Please re-read what I typed..... Is says that the ram you have is okay....
 
sorry m8-stayed up allnight with my new setup trying to get the bugger into windows-went to bed 7.30 am!!!!back up at 10 am straight onto pc which is now-im glad to say running swell..

yes i understand your post now :eek:
 
Right I got my cheap stick of ram, managed to get into bios...... Flashed it to the f3 version (sposed to fix some of the mem compatability issues).... Upped Voltage, changed timings etc.....

All this made no difference whatsoever....... All this leads me to the conclusion that the XMS2 PC6400 Cas4 ram is incompatible with this board! Because I can't see both sticks of theis Corsair ram being Borked!

Gonna RMA it and get the Geil stuff instead!
 
I am using that ram on mine and works fine even worked with the F1 bios.
But i didi have one stick off them not working and cursed system problems likes yours.But i can comfirm that i does work and run very high speeds too ;)
 
I had probs with G.skill NR PC2-6400 memory on DS4 - RMA'd the memory and got some cheap PC2-5300 locally to get it up and running.

Since then I got me some Geil Ultra PC2-6400 when on special offer at OcUK, and that does the business - I had to update to F3 BIOS but now I'm very comfortably overclocking my [email protected] to 2.8! Nice 52% noob OC :)

The default volts for this RAM is 2.1v, so as the mobo runs memory at 1.8v I just added 0.3v in the BIOS MIT. However, when I ran the SP2004 Orthos stress test I was getting errors - the CPU test was fine but the combined CPU/RAM test had problems. So I tried reducing the memory volts by 0.1v to 2.0v, and it seems much more stable now.

Just thought I'd share that with you in case you have the same probs when OCing the same kit as me (lots of people seem to have!).
 
I had this exact problem with a DS3 and G.Skill ram, I RMA-ed the ram and now have some geil low latency 6400, works brilliantly. Good stuff.
 
Had the same prob of start restart and no post on cold boot, went on for ten minutes or so then would post and work perfect till next cold boot.

Found one of XMS 6400C5 sticks to be faulty even though memtest reported no errors. I just tried each stick on its own. RMAd them back for replacement hope new ones are better.

€2000 on a machine just to wait on parts not to be faulty. :mad:
 
Munromax said:
Same here! Seems to be the answer to the Gigabyte mobo/RAM probs.
Not the only answer - I bought a cheap (£11.97) stick of PNY 256MB DDR2 RAM from PC World, booted into the BIOS and raised the RAM voltage to +0.4v. Even though this equates to 2.2v, my system now works fine with the G-Skill 6400 NR RAM which is rated at 1.9-2.0v.
 
Interesting thread as I'll be the proud owner of a DS3 soon.

Slightly confused with all these problems.

I was going to use OCZ 2GB (2 x 1GB) PC2-7200 Dual Channel EPP XTC Series for £211.49.

(I really wanted 800mhz but the 900mhz kit is cheaper than both of the 800's because there ATI and Spec Op's).

Anyone know if I'll have any problems with this?

Buffalo2102 just thought I'd point out that you mentioned a competitor, which is against rules on this forum :)
 
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oceaness said:
Buffalo2102 just thought I'd point out that you mentioned a competitor, which is against rules on this forum :)
Oops, you're right. Thanks for pointing that out. :o

However, the fact that I spent £11.97 with a competitior pales into insignificance when you consider that I spent £500+ with OCUK for the rest of my rig! I'm sure OCUK would rather I spent a little with a competitior to get it working than send it all back to them for a refund.
 
There has been a lot of finger pointing at Gigabyte on this issue and there is no doubt that they are at least part to blame.
However you will notice that it isn't all makes of RAM that are being a problem on these boards.
I'm a DS4 owner and I'm currently using the Geil Ultra Low Latency DDR800 modules with a +.3v and they are extremely happy.

However I should mention that Kingston Value DDR667, Crucal DDR667 and this Geil all boot up fine without the need for the +.3v
In other words, some RAM can cope with only being fed 1.8v for the needs of getting to the BIOS and applying some extra volts.

It is also worth mentioning thatg by default your memory will be "Using SPD".
A lot of DDR800 memory uses a "Safe Mode SPD" where it drops to DDR667 when using the SPD.
So you are going to want to get into the BIOS as quickly as possible and manually adjust the memory speed and timing anyway, so just don't forget to give your memory voltage a tweak too.
 
My DS4 with Geil 800mHz posted fine on F1 bios not problem. Updated to F3 bios and now running at 2.2v on memory. Problem I have though is that I cannot get my Celeron 326 over 1.6V without the pc shutting down and restarting. Runs at 1.59v 53c full load no problem. Do you guys know what CPUvid 1.370v is in easytune?
 
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