After a DDU and driver change to 511.65 the P100 was set to high performance automatically.
But the Quadro K620 was not setup.
Rather it was set to MS display adapter and auto set P100 to high. WDDM was also auto set.
After manully installing the same driver to the K620=P4 Reboot: Then the Registry was edited.
No adapter type were changed or deleted. Add EnableMsHybrid=2 to K620=P4 folder, =1 to P100 folder.
Running benchmarks now and will post the results later.
Edit: I wasn’t very happy with the 3D benchmark results they were lower than the P40.
So I moved on for now to testing F@H and that looks very good as for time per frames & PPD.
I think if possible we would need a modified Geforce driver to see better performance in 3D gaming/benchmarks for the P100/P40.
As I did even see the lower performance with the P40 vs M40
or Titan Xp with the 511.65 drivers used here for the P100/P40.
Other Data Center drivers & Geforce drivers gave better numbers in benchmarks & gaming.
Could just be me and different hardware used as per the results, but I have tried to keep everything close as possible with OS and Hardware as possible.
I will do more 3D testing once the F@H work is completed. Maybe some tweaking will help.
So at this point, I would not recommend picking up a P100 or P40 as an upgrade for gaming.
A cpu with integrated graphics which supported dx12(intel or amd), it’s the best choice to output display from Tesla card. Install the newest drivers for both integrated card and tesla, switch tesla’s driver mode to wddm,
change the “AdapterType” and “EnableMsHybrid” values to “1” in registry, where the tesla card is. Disable then enable tesla in the device manager. That’s finished.
The second choice is using a amd graphics card which supported dx12 if your motherboard has another pcie x16 slot. Beside following the steps above, we need another registry tweak to set the tesla card to be default high performance card.
HKEY_CURRENT_USER\Software\Microsoft\DirectX\UserGpuPreferences, create a new text type key which name is “DirectXUserGlobalSettings”, and set its value to “SwapEffectUpgradeEnable=1;HighPerfAdapter=xxx;”
XXX stands for hardware ID’s VEN&DEV&SUBSYS of the tesla card, which can be found in device manager.
After that, you can see the power saving card is amd graphics card, and the high performance card is tesla.
Another choice is using a nvidia graphics card which supported dx12 if your motherboard has another pcie x16 slot. It’s not suggested to do that, since we need use a nvidia graphics driver which both supported tesla and the display output card, it is more complex usually. Here is a table that showing which driver could be used.
From the table we can see, there is no driver for using a maxwell(or older) gefore card to display output for maxwell(or newer) tesla card.
Here are the steps for installing driver for geforce card as display output for tesla card:
choose right driver from above table, install the driver. “RTX Desktop Manager” and “Geforce Experience” are needn’t.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class{4d36e968-e325-11ce-bfc1-08002be10318},
find where your tesla card is, change “AdapterType” value to “1” and “FeatureScore” value from “cf” to “d1”,
create a new dword key which name is “GridLicensedFeatures”, and set its value to “7”. Disable then enable tesla in the device manager.
This step changs the gefore driver into grid driver，and the tesla is in wddm mode now.
change the “EnableMsHybrid” value to “1” of tesla, “EnableMsHybrid” value to “2” of the geforce dispaly out card, where they are in the registry. Disable then enable both of them in the device manager.
Set tesla as default high performance card following the step above.
I used all the steps above for NVIDIA display out and it wouldn’t work with the latest driver 531.41-desktop-win10-win11 until I add EnableMsHybrid=2 to the GTX 960 folder. I did also have to pick QUADRO GP100 since Tesla P100 wasn’t supported in this or any of the other Gefore drivers I tested.
“EnableMsHybrid” should be set for a nvidia card, you’re right. Amd and Intel graphics card needn’t.
There is no driver both supported gtx960(maxwell structure) and tesla p100(pascal structure). The geforce card should be pascal structure or newer as a display out for tesla p100 or newer. And use the Studio driver, not GameReady. You can find these in the nv_dispsig.inf.
I have 2x GTX1060, 1660, and Titan X pascal but all are in use in other systems ATM.
The GTX 1660 would be the easiest to move for testing.
The 960 was unused and laying around so I used it for this first test.
I tested with Studio driver first, weren’t many of those I could find.
The card selected could have been why, will try again later on, thanks.
BTW welcome to the forum.
This worked perfect with the latest Studio driver 531.41-desktop-win10-win11-64bit-international-nsd-dch-whql with using EnableMsHybrid=2 in the 1660 folder and =1 in the P100 folder. Fire Strike scores look better as do Time Spy but only by a little in Time Spy.
Would flashing the tesla cards with the firmware of their quadro counterparts help with any of the driver/ performance issues you’ve experienced, or are they not compatible?
This I was just thinking about and started doing research. I’m looking and may give the Quadro vbios a try after more research.
Edit:
P100:
Base Clock
1190 MHz
Boost Clock
1329 MHz
Memory Clock
715 MHz
1430 Mbps effective
Check this out gang, the wife had a Copier/Fax/printer go out at the office
Got it replaced with a new one. Call me to ask if I thought there was anything
I could use out of it before it was hauled off.
I got a 160GB HDD, six 60mm fans, and one 80mm fan with a shroud.
I stopped there could have been more to get. With mods, I think it could
be used with an M40, P40, or just about any Tesla video card in that class.
The problem is most of the fans are 24v, not sure if they could be run on
12v and turn fast enough to do much good for cooling anything?
Another problem is the shroud is pretty big, would have to be open air setup,
bench or a huge case to be used. A good many of my rigs are open air so I
should be able to use it.
Out of a Fax/copier/ printer. Nothing some cutting stuff off in places and a different fan “UltraFlo high RPM 12v” and some ducktape couldn’t fix. lol
Edit: Just noticed the fan would need to be flipped to change the airflow.
I’d also trim off all that tall top edge I think.
BTW this was nothing like a home unit.
This is not the exact model, but very much like the one that went out.
I need to take another look and see if there is anything else I could use.
.
You can’t flash any modified vbios, since nvidia use trusted boot at pascal structure and newer. If you do that, your card will not boot again.
Flashing the tesla card with the firmware of its quadro counterpart, the device ID won’t change, maybe it could boot up, but the nvidia driver knows it’s still a tesla card, not a quadro card.
Yes, may can mod the Quadro bios and change the ID’s to Tesla, but there is no
Pascal Bios Tweaker to resign the bios. I know I have already tried. lol
Edit I did find bios that look promising but do I want to take the chance with a 200$ card
Not really it may disable the card and for my use, it works well as is. For a 115Mhz OC, it’s not.
add: screenshot no go for Quadro even with bypass nvflash.
