I have updated the thread with pics and video.

He bought one of the MSI 6990s I sold a couple weeks ago.
https://bitcointalk.org/index.php?topic=36324.0

I said I'll be posting pics tonight... I have sold and purchased quite a few things on these forums, and it is extremely easy to research my repututation with the search bar. I sold a brand new MSI 6990 a few weeks ago. I am also willing to take requests on any items or drawings users want to see in the pictures I post tonight to prove legitamicy. Videos of the cards in action, you name it, I'll do it. Just trying to get the ball rolling.

UPDATE: 1 left

These are like new and only used 4 days. I've mined for about 40 minutes total with no core going over 80 C, but I'm not satisfied with the airflow I'm getting in my case, so they are up for sale. Free shipping to continental US. BTC payment at current trade rate.

I have to be honest, I almost decided not to sell these bad boys once I started taking pictures and video. I also want to re-apologize for the recycled horrible homer drawing and my inability to properly close out a video.

Homer has been enhanced with dual 6990s








Video of cards running UniGine Heaven Benchmark in crossfire mode at stock clocks.
830/1250
UniGine Benchmark

Video of cards mining with stock core clock rate and underclocked memory
830/710
Dual 6990s Mining

Yeh I was able to do the same in with OverDrive and ATIConfig but I didn't push it any further than 100. I suppose 28 mhz is better than nothing but surely someone here is running at a 940\330 or some other nice spread. I had my dual 6970 rig going at 960\330 and 426 mh/s at sub 75 C . With this rig, the best I can do is underclock to 700\600(311 mh\s per core) and still get 80 C + temps on my second cores. First cores stay around 65 C. I'm not going to run any of these cores over 78 C so until I find a solution my coin generating operation is dead in the water.

Wii
I am entertaining offers for a 4.1 system menu Wii with a professionally soldered wasabi v1 mod chip(for reading unpatched burned disks and hardware avoidance of system updates) System is soft modded as well, with homebrew channel and application for playing games from a hard drive\SD. I also have an external 120gb hard drive I could throw in.

Wii and external hard drive - 8 BTC





PS3 Jailbroken - 22 BTC
Original Fat with 640 gb PS3.
Original 60 and 20gb version of PS3 are the only systems that natively play PS2 games. Current models don't have backwards comp or use software emulation.





Both systems are in excellent condition and were barely used.

I started another thread about this in a linuxcoin environment. Basically it appears you cannot have a difference of more than 100mhz between core and memory clocks.
https://bitcointalk.org/index.php?topic=39895.0

After a bit of research I found a few people saying that they were able to surpass this limitation in Windows, so I gave it a shot. AOCLBF allows me to set the following core/mem clocks 830/250 but I know it isn't really sticking due to high temperatures. I confirmed my suspicions when changing to 830/730 and seeing a 5 degree temp drop. This leads me to believe there really is a limitation in the bios.

I've also seen quite a few posts in other forums stating that the 6990 does not take kindly to clock rate changes in the bios. So my question is, has anyone successfully modified their 6990 bios to get past these issues? Or even better, am I just using the wrong tool? I've also tried Afterburner(625mhz lower limit) and ATI tray tools(Only lets me control 2 cores)

I'm using linuxcoin and I've tried atitweak,aticonfig, and AMDOverdriveCTRL. All tools will show me that they have set the memory clock to whatever I want, but once I put load on the card, mem clocks shoot up to 1250(If the mem clock is over 100mhz below core clock). After doing some research it looks like quite a few people have run into this issue.  Has anyone gotten past this issue without flashing the bios?

+1 to "useful_idiot" for a quick payment on 6990 purchase.

Second card sold to forum member "useful_idiot", glad to be doing business on the forums. I think I have my bases covered on the ebay sale. I shipped with signature confirmation and insurance. If a buyer signs for an item, paypal will not reverse a payment.(Although they will hold a payment while they investigate) I learned my lesson a couple months ago when I basically gave some lady an iphone 4 because I only did delivery confirmation. Anything over $250 and you need sig confirmation for seller protection.

+1 toasty
Trusted seller

Bought a brand new one and it came in Sat. Looks good, toasty is a trusted seller.

Make an offer if you are interested. I also have them listed on eBay for $975 with a couple watchers. Would rather sell to a fellow forum member though.

Yes, but I will have to charge for shipping.

Haha, all companies would love you to believe that reselling a product you purchased from them is illegal. Fortuneately that is not the case, or we wouldn't have gamestops, half price books, ebay, used car dealerships, etc... Companies can however make it really hard to resell used products. EA games gives out 1 free online gaming activation code with alot of their new games and charges 10 dollars if you don't have the code(like if you bought it used)

Steam will apparently ban your steam account if they get word that you've re-sold it,  which to me sounds illegal in itself but it's in their EULA so they can get away with it. So given that information it is probably still a bad idea to buy a used steam account, unless you are willing to hire a top notch lawyer and stick it to Steam.

Haha, yeh, I'm no artist. Although, my homer does look a tad bit crazier.

Updated with picture, my name, and a horrible drawing of Homer Simpson.

They are arriving tomorrow and I will post pictures then. I wouldn't expect anyone to pay me before that point. I will send proof of shipping to anyone who shows interest tonight.

price reduced to 1 btc. I also have a star trek online key in another thread that I'll sell for .75 btc

Updated