I'm running a 5830 and gtx 260 in the PC with no problems at all, so I don't see any reason your setup shouldn't work. Your power supply is more than capable.

Change the master card selected in MSI Afterburner (settings -> master graphics processor selection).

I have an overclocked xfx 5830 running at 302.5 MHash/s and the best I've seen reported for a 5830 is 312 Mhash/s. For the price they're good cards, but they'll take a little overclocking and work to get the best rate.

My card runs on Windows 7 x64 with the 11.4 drivers and 2.4 OpenCL SDK. It's overclocked to 974/335MHz (core/mem) @stock voltage and runs at ~70-80 degrees C @66% fan. It's next to a Geforce 260 running at 60 degrees C and the computer is in a pretty cold room. I use Pheonix with the phatk kernel to mine using the parameters AGGRESSION=12, BFI_INT, VECTORS, and FASTLOOP=false. It earns about 1BTC/24hrs at the current difficulty. Measured wattage of the system is 235W with the 5830 idle and 405W with the 5830 at full load.

Hope this helps your comparison.

I've been using Britcoin for a few weeks now and it's generally been pretty good, however I've just tried to log in and my account is empty.

I use my Google ID to log in. The first time I logged in this morning (about 30 mins ago) I got the welcome new user message and I'm taken to an account that's empty with no record of any transactions. If I log out and back in I get the welcome back message and I'm taken to the same empty account. I'm pretty sure that the User ID and the id= string in the Google OpenID that are listed on the profile page are different to what they've been before today, even though I'm logging in with the same Google account.

Am I being incorrectly logged into a new account or has my account be wiped? I had funds in there  


UPDATE: I've cleared my cookies, relogged in to Google and relogged into Britcoin and I'm seeing my correct account again. The User ID is back to what it was before. For some reason I was being recognised as a different user, even though the Google account I was using was definitely the same one... Any ideas why??

Using latest catalyst drivers with 2.4 on 5830 @974/298 with AGGRESSION=12 BFI_INT VECTORS FASTLOOP=false:

poclbm: 290 Mhash/s
phatk: 301Mhash/s

Nice work!

Edit: Tweaked memory clock - seems to peak around 335Mhz at 302.5 Mhash/s.

I have a Geforce 260 and Radeon 5830 running together in the same system. I use phoenix openCL miner on the 5830 and puddinpop's cuda miner for the 260 http://bitcointalk.org/index.php?topic=2444.0

I have a Geforce 260 and a 560ti. If I remember correctly lowering the memory clock on the 260 lowered the hash rate. Lowering it on the 560 (from 2004 to 1000) doesn't affect the hash rate (I'm not sure about the affect on temp yet) but if I stop and restart my miner it will fail to reallocate CUDA memory and put set the card to idle speeds until the computer is restarted. I'm not sure yet if this is a driver problem or if the card really doesn't like such a low memory rate.

Regarding the temperature of the 260 - mine runs very cool - 54-60 degrees C uner 98% load compared to ~70-80 Degrees for an overclocked 5830 in the next slot. Perhaps the fan needs cleaning? Also, are you setting the fan speed manually? Try ~50-60% (or more if your ambient temp is high), this should lower the temp significantly compared to auto.

There's no theoretical benefit from running two miners on the same GPU if the total hashing rate is the same. If the total rate was higher when running two then that would indicate that the single miner wasn't totally utilizing your GPU, which could be addressed by increasing the aggression of the miner. As long as you're running with an aggression level above 1 or 2 I expect a single miner would max out your Quadro.

Are you sure the hash rate was actually dropping while the screen was off? I've noticed in Windows 7 that waking the screen by moving the mouse causes a brief ~10-20% dip in GPU utilization (seems to be true for both ATI and nvidia cards). I have no idea about Linux really, but could it be possible it's just a blip as the screen comes back on? Another workaround would just be to set the screen to always on and turn it off yourself - something I have to do because one of my Dell screens audibly beeps while in standby mode (?!)

Thanks for the suggestion, is it possible to install 2.1 with the 11.4 drivers perhaps? I could try that and narrow down whether it's the SDK or the drivers causing the problem.

Just for reference, my current setup gets about 278 MHash/s with aggression=7.

I've tried both 10.3 with stream SDK 2.1 and 2.2 and 10.4 with SDK 2.1 and 2.2. Regardless of combination I get the same problem - whenever I try and run any OpenCL code it just crashes (the command window glazes over and the not responding box pops up). This happens when trying to run rpcminer-opencl.exe on any device (I don't think it even gets as far as finding any usable platforms) and also when I try and run any of the sample code that comes with the SDKs.

Switching back to the 11.4 package fixes the problem and miners and the code examples run fine. Do you reckon it's worth the effort to try and fix this problem and use 2.1 or 2.2? How much faster are they?

Cheers

I also have an xfx 5830 and after seeing this thread switched from puddinpop's miner to phoenix 1.4 (see details below). At a core clock of 970MHz I saw an increase from ~220 MHash/s to ~285 MHash/s.

OS Windows 7 64bit
Catalyst driver: 11.4
Stream version 2.4 (presumably - it's whatever comes with the 11.4 drivers. Anything less won't work for me, at all)
Core clock 970Mhz (somewhere between here and 1000Mhz things get unstable)
Mem clock 560Mhz (can't set it any lower in MSI Afterburner)
voltage is default (unable to change?)

Miner Phoenix 1.4 -k poclbm device=0 platform=1 WORKSIZE=128 AGGRESSION=12 BFI_INT VECTORS

Any suggestions for getting it higher? I seem to be stuck with stream SDK 2.4 and can't raise the core clock much more. For reference, I'm also running a nvidia 260 in the same computer.