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PowerColor PCS+ R9 290? - Page 54

post #531 of 1176
Well, here is some news from Raymond over at PowerColor about the underperforming PCS+ series cards (got an email from him):
Quote:
...This is a special case so we will hold onto your cards and send you working replacements later this week. As of now, the main suspect would just be a bios issue.
post #532 of 1176
Quote:
Originally Posted by airisom2 View Post

Well, here is some news from Raymond over at PowerColor about the underperforming PCS+ series cards (got an email from him):

I do hope this is bios related only but based on the initial results from some users who have got the modified bios, I don't expect the issue can be completely solved.
post #533 of 1176
My replacement came in today, different serial number so im glad they physically replaced the card. Will do some testing tomorrow and check the bios.
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post #534 of 1176
modified bios doesnt fix anything except %5 better performance @ stock than before which is still %3-5 slower.
I had a chance to test the new bios a little more before i packed the card with a complete new psu ocz 1050W . The card met 3 diffrent psu s 650-750-1050



In the first tests it performed %3-5 slower as i pointed (14500 3dmark gpu 59.4 valley etc.). So i thought i should overclock a bit and test again a tiny overclock 1100-1350 it performed same as old bios same scores. So my theory it just effects factory speedss confirmed.

The weird thing is The card not just runs slower than it should ,it also effects cpu performance. With pcs+ plugged in the cpu scores in any 3dmark test changes dramaticly in the same enviroment. It can score 8500 in first test 8100 in second 8300 in third . With a asus dcu ii 7950 plugged in it is rock solid 87xx . Not only 3d tests but cinebench ! smile.gif Cinebench scores lower when pcs+ plugged in .
So another theory if you are playing a cpu heavy game sorry my brother pcs+ will hold you back:)

Funny .
Edited by daymond - 4/10/14 at 4:22am
post #535 of 1176
Does anyone know what VRM's are on the PCS+? Hardwarecanucks say its full 7 phase digital and yet the PCB looks identical to reference, which has standard 5+1 Phase, i only count 6 Chokes on both.
Edited by Abundant Cores - 4/10/14 at 4:51am
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post #536 of 1176
It's a 5+1+1 phase schematic. 5 for the core, 1 for memory, and 1 for PLL (look at the far left, and you'll see a longer rectangular choke with a trio of VRMs). The PCS+ has the same VRMs and chokes as the reference PCB.
post #537 of 1176
I just received the PCS+ 290 yesterday. The thing is a beast... it's the first real video card I've owned in years. So heavy it slightly bends at the end in my PCIe slot.

I just saw the discussion in here about a bad batch of cards... what's the easiest way for me to see if I have one? Which benchmark and what do I compare it to?

Also, I like my quiet computing for basic non-gaming tasks. The default minimum fan speed in the auto profile at 30% is a bit loud for my tastes. It keeps it around 38-39 degrees currently, and I would be fine with a couple of degrees higher at idle if I could drop the fan speed down.

I tried 25% and that was significantly better. What speed are these fans rated for, and therefore what is a safe minimum percentage to set in MSI afterburner?
Edited by Toth21 - 4/10/14 at 6:01am
post #538 of 1176
Quote:
Originally Posted by airisom2 View Post

It's a 5+1+1 phase schematic. 5 for the core, 1 for memory, and 1 for PLL (look at the far left, and you'll see a longer rectangular choke with a trio of VRMs). The PCS+ has the same VRMs and chokes as the reference PCB.

Thanks.
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post #539 of 1176
I got the new bios last night and ran firestrike a few times.

Old bios stock clocks http://www.3dmark.com/fs/1859708 10594 gpu score, physics 11224, 9298 total
New bios stock clocks http://www.3dmark.com/fs/1992019 10956 gpu score, physics 11266, 9576 total

Old bios 1150, 1350 http://www.3dmark.com/fs/1859913 11459 gpu, physics 11331, 9928 total
New bios 1150, 1350 http://www.3dmark.com/fs/1992057 11795 gpu, physics 11292, 10224 total

The bios definitely helped and it didn't affect my physics score in any way. Anyone with a elipidia card have scores for 1150, 1350? Just wondering if it is scaling as well as it should when overclocked.
post #540 of 1176
Quote:
Originally Posted by tweb321 View Post

I got the new bios last night and ran firestrike a few times.

Old bios stock clocks http://www.3dmark.com/fs/1859708 10594 gpu score, physics 11224, 9298 total
New bios stock clocks http://www.3dmark.com/fs/1992019 10956 gpu score, physics 11266, 9576 total

Old bios 1150, 1350 http://www.3dmark.com/fs/1859913 11459 gpu, physics 11331, 9928 total
New bios 1150, 1350 http://www.3dmark.com/fs/1992057 11795 gpu, physics 11292, 10224 total

The bios definitely helped and it didn't affect my physics score in any way. Anyone with a elipidia card have scores for 1150, 1350? Just wondering if it is scaling as well as it should when overclocked.

Your result is slightly better than that of daymond's, but again, it's weird that when you overclock, the gain in score seems to be dropping. Did you happen to run other benchmarks too? Like the Valley benchmark.

As for the voltage fluctuation, I think we are barking up the wrong tree, we should be looking at VDDC, which is the voltage used by the GPU, not the 12v rail from the PSU. Mine sits at 1.031V at idle, what's yours after the bios update?
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