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post #411 of 4864
Ok I did watman setting of 1033 for VID and "C:\Program Files (x86)\MSI Afterburner\MSIAfterburner.exe" /wi06,08,8d,25 set. 25 hex to decmal is 37 37 times 6.75mv = 249.75mv so I'm running 1282 for my voltage with a clock of 1445. More voltage than I need but I wanted to see if the Firestrike Ultra score would go up. I'm running theStilt program for my power target so It might not be much over the setting but the extra voltage at least shouldn't negatively affect the score if the power use is hidden from the driver.

Here's the firestrike run. I accidently left my browswer open so maybe I should do it again.





Here's the same clock speeds but without the browser running and with the 1150 in wattman and "C:\Program Files (x86)\MSI Afterburner\MSIAfterburner.exe" /wi06,08,8d,13 set 13 converted to decimal and multiplied by 6.75mv is 128.25mv so I was running 1278.25mv.




Not really a big difference. I don't really want to remove embd and do a DDU reinstall on my video drivers right now to check with a 50 percent power limit. Maybe I could run the test again with the power % set to 0 and see what happens?


EDIT: I did maths wrong as corrected 6.25 not 6.75. 1268.75 VID and 1264.24. The faster one was actually a lower voltage. Good to know! I may be running into the power limiter.
Edited by greytoad - 8/8/16 at 9:19pm
post #412 of 4864
Definitely not hidden from the driver's power limit.

Here's another run with
Quote:
I did watman setting of 1033 for VID and "C:\Program Files (x86)\MSI Afterburner\MSIAfterburner.exe" /wi06,08,8d,25 set. 25 hex to decmal is 37 37 times 6.75mv = 249.75mv so I'm running 1282 for my voltage with a clock of 1445. .




By the way i'm not entirely sure my EMBD is working for me it still only lists a +50 in wattman. Is it supposed to allow +100? Do I have any other options for removing the power limit?


edit: I forgot to mention the important part. This was power limit 0 in the driver.


EDIT2: This was actually 1264.24VID, but it still stands that the voltage offset is not hidden from the power limit in the driver.
Edited by greytoad - 8/8/16 at 9:21pm
post #413 of 4864
Here's heaven for the 1445Mhz and 2210 on memory. Any one else have an idea if my power limit slider only goes to 50 did the embd program not work? Should my score be higher? edit: 16.7.2 driver.

post #414 of 4864
Quote:
Originally Posted by greytoad View Post

Here's heaven for the 1445Mhz and 2210 on memory. Any one else have an idea if my power limit slider only goes to 50 did the embd program not work? Should my score be higher? edit: 16.7.2 driver.


Are you doing that with a reference card? Mine's pulling at least 90W through the pci-e slot with just wattman tweaking and 1.130v, your setup must be crazy hard on the motherboard 24pin connector if you don't have supplemental pci-e slot power connectors or something.

Also I'm using the 16.7.3 (16.30.2311) driver people report limited memory clocking with, on a fresh install of win10 1511 and have full ram overclocking options still, so you might be able to use them after using ddu to completely remove the driver old driver first. GTAV runs alot smoother for me than it did on 16.7.2
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post #415 of 4864
Yeah I smoked my vrms a bit at 1670 and 1320something VID. That was probably also the 5Ghz I was running on CPU at 1.465 at the time. I backed off on the CPU and it's been fine. edit: so technically I'm running on a system that's been on fire.. thumb.gif

edit: When I run Prime95 Small with 1.38 and 4.9GHz I use 450 watts output on my VRMs. According to HWiNFO anyway. Not the 24pin I'm worried about. Besides most MBs now have 3 12volt pins to the pci express rather than the 2 in the specification. That puts the limit at 150 watt unofficially. That's why people with 750TIs were able to run 150watt OC with no power connectors. So it was probably the CPU overclock combined with the video and not just a PCI express limit. I wasn't near that high yet.
Edited by greytoad - 8/8/16 at 7:16pm
post #416 of 4864
also if you're using a 6+2 connector you have all 3 12volt pins to the video card. That puts the unofficial out of spec limit on the reference card at 300 watt.
post #417 of 4864
Quote:
Originally Posted by greytoad View Post

Noob question. I'm using the command "C:\Program Files (x86)\MSI Afterburner\MSIAfterburner.exe" /wi06,08,8d,13 to up my voltage on my card. That's an offset of 128.25mv. (19 multiplied by 6.75) With Wattman set at 1150 so VID should be 1278.25mv right? Is the 128.25mv offset hid from my power limit in the driver? If so would be be better to use a larger offset and lower Wattman setting? I'll do some testing for empirical evidence, but does anyone know?
Correction: multiply by 6.25mV.
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post #418 of 4864
Thank you very much! That's what I get for relying on memory. Doh!

Edit so that's 1268.75 VID on my 1445 overclock stable. I feel much better. Thanks for that.
Edited by greytoad - 8/8/16 at 8:55pm
post #419 of 4864
Quote:
Originally Posted by The Stilt View Post

Even with the fix the power draw from the PCI-E slot will never drop below ~42% of the total power draw.
Quote:
Originally Posted by greytoad View Post

Yeah I smoked my vrms a bit at 1670 and 1320something VID. That was probably also the 5Ghz I was running on CPU at 1.465 at the time. I backed off on the CPU and it's been fine. edit: so technically I'm running on a system that's been on fire.. thumb.gif

edit: When I run Prime95 Small with 1.38 and 4.9GHz I use 450 watts output on my VRMs. According to HWiNFO anyway. Not the 24pin I'm worried about. Besides most MBs now have 3 12volt pins to the pci express rather than the 2 in the specification. That puts the limit at 150 watt unofficially. That's why people with 750TIs were able to run 150watt OC with no power connectors. So it was probably the CPU overclock combined with the video and not just a PCI express limit. I wasn't near that high yet.

Quote:
Originally Posted by greytoad View Post

also if you're using a 6+2 connector you have all 3 12volt pins to the video card. That puts the unofficial out of spec limit on the reference card at 300 watt.

If the card is pulling 300W, it's pulling at least 126W from the motherboard slot, which is 90% more than the 12v spec of the slot. All of the power for the slot comes from the 24pin normally, unless you have extra power connectors added to you motherboard for the gpu slots. The VRMs on the motherboard are for the cpu and ram and get almost all it's power from the 8pin EPS connectors, the card has it's own set of VRMs onboard.
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post #420 of 4864
Still don't see how this is a problem. People are still running 750TIs at 150watts. No power connector on that card. Yes there is a seperate 12volt power delivery for the PCI express. I can't remember the name of the chip, but that very well could be the one I smoked. The people with cheap motherboards and 750TIs can run 150watts on their cards for the last year or so. As I said, this isn't 2005 anymore, they use 3 twelve volt pins on pci express now not 2. spec calls for 2. I have an AsRock Extreme6 z97 board. It's not the highest end board, but it is marketed to overclockers. It's not one of the budget boards that people are currently running 150 watt from their 750ti's on.

granted there are only 3 12 volt pins on the 24pin connector...
Edited by greytoad - 8/9/16 at 5:09am
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