GTX 570 HD SLI not working

BlackSunshine74 · Jul 30, 2016

It seems that according to my EVGA monitoring software my video cards "EVGA GTX 570 HD x2" are not functioning togather as an SLI pair. Are they supposed to run at the same time or the 2nd only after the 1st is maxed out? When I play a game the EVGA Precision X software is displaying the 2nd video card with "idol voltage, Temp, #'s ect." I have looked to see if there was a way to enable or disable SLI with no luck. Has anyone had this issue?

System spec

Win 10 pro 64bit

GIGABYTE GA-Z77-D3H LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
CORSAIR Vengeance 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
Western Digital WD VelociRaptor WD6000HLHX 600GB 10000 RPM 32MB Cache SATA 6.0Gb/s
Intel Core i7-3770 Ivy Bridge Quad-Core 3.4GHz OC@4.0GHz
(x2) EVGA 025-P3-1579-AR GeForce GTX 570 (Fermi) HD 2560MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
EVGA SLI Bridge
CORSAIR GS series GS800 800W ATX12V v2.3 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified

All drivers up to ddate

MeanMachine41 · Aug 2, 2016

Right-click anywhere on your desktop and select NVIDIA Control Panel from the dropdown list or click the NVIDIA icon in the Systray.
Go here: http://www.computerhope.com/issues/ch001167.htm

Also check in Device Manager that your drivers are up to date.

BlackSunshine74 · Aug 6, 2016

MeanMachine41 :

I do not have any SLI settings under the 3D settings in the Nvidia Control Panel or anywhere else. The only thing under 3D Settings is show physX, although it dose say that there is 2 GTX 570 cards on the home tab... I also tried moving the SLI bridge over with no luck...

MeanMachine41 · Aug 6, 2016

What revision MB do you have.? I have heard that SLI is not possible on the early Rev 1.0 MB.?

Maybe a Bios update is what you need.
F23b for revision 1.0 and 1.1
FBb for revision 1.2.

Have you tested each card individually and tested each PCIe slot.?

BlackSunshine74 · Aug 6, 2016

F16 is the bios. testing each card / slot now... How do i post a screen shot?

MeanMachine41 · Aug 6, 2016

BlackSunshine74 :

You will need a file host. IMIGUR is good. Upload the file to IMIGUR and obtain the BB url to link here.
For pics it's best using .jpg.

BlackSunshine74 · Aug 15, 2016

Booth cards and slots are functioning. There is no bios update for win 10/64bit I read something that with the older Nvidia cards SLI works a bit differently. Supposedly it uses the 2nd card as a slave unlike the cards that are a few years old that fire at the same time. I'm going to run some bench mark tests and see what happens... I'll post the results soon...

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GTX 570 HD SLI not working

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MeanMachine41

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