Overclock.net › Forums › Graphics Cards › NVIDIA › NVIDIA Drivers and Overclocking Software › EVGA Precision X - Different Fan Curve for cards in SLI
New Posts  All Forums:Forum Nav:

EVGA Precision X - Different Fan Curve for cards in SLI

post #1 of 18
Thread Starter 
Hi guys,

Is there a way of getting a custom fan curve setup for EACH card in SLI? My top card gets hotter than the bottom obviously and i would like to make the top cards fan curve more aggressive whilst keeping the second one quiet.

Is this possible? I managed to manually set a fan speed on the top card but i'd like it to be automatic.


Also whats a good temperature for a Asus Direct CU II GTX 670 card in SLI? My bottom card is only 58c under load (1189mhz core) and top card gets to roughly 72c at the moment when overclocked to 1280mhz core +200mhz memory.

Cheers
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
post #2 of 18
As far as I know, Precision X is based on MSI Afterburner which definitely doesn't allow you to set different fan curves.

Those are good temperatures, especially for SLI. As far as the maximum temperature goes, it's usually around 100C, but as far as my understanding goes for Kepler's Boost, your card won't hit its top Boost frequency once it gets above 70C.

I'm also not sure if your top card will see the benefit of being at a higher clock speed than the bottom card. My understanding of SLI is that both cards will run at the lower frequency effectively, so if you were to have one running at 1000MHz and one at 1200MHz, for example, they wouldn't perform better than if they were both at 1GHz. I might be wrong on this one though, so maybe someone else can back me up.
post #3 of 18
Both cards lock at the speed of the slowest card, or they are suppose to.
Carbon GT
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600K @ 4.5Ghz Asus P8P67 Pro Gainward Titan 8GB Mushkin Ridgeback Redline 
Hard DriveOptical DriveOSMonitor
256GB Samsung 830 SSD - 240GB Vertex 2E SSD Samsung SH-B123L Blu Ray Windows 8 64-bit 23" Asus VG236 - 120hz 
KeyboardPowerCaseMouse
QPAD MK85 Corsair HX850 NZXT Phantom Cyborg RAT 7 
Mouse PadAudio
Ozone Gaming Gear Asus Xonar DGX 
  hide details  
Reply
Carbon GT
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600K @ 4.5Ghz Asus P8P67 Pro Gainward Titan 8GB Mushkin Ridgeback Redline 
Hard DriveOptical DriveOSMonitor
256GB Samsung 830 SSD - 240GB Vertex 2E SSD Samsung SH-B123L Blu Ray Windows 8 64-bit 23" Asus VG236 - 120hz 
KeyboardPowerCaseMouse
QPAD MK85 Corsair HX850 NZXT Phantom Cyborg RAT 7 
Mouse PadAudio
Ozone Gaming Gear Asus Xonar DGX 
  hide details  
Reply
post #4 of 18
Quote:
Originally Posted by Arthur Hucksake View Post

Both cards lock at the speed of the slowest card, or they are suppose to.
Yeah, that's what I thought. But when you look at the clocks in Afterburner, Nvidia Inspector etc. it still reports one as being higher, so it's easy enough to think that you're actually getting more performance.
post #5 of 18
It has been the norm for years that the top card gets hotter. This is your primary card and it is doing more work. It will be a few degrees hotter than your sli'd cards but if it is a significant difference like more than 10-15c consistantly even while not gaming then I would worry.
post #6 of 18
Thread Starter 
I appreciate it's always going to be hotter that's a given but i didn't know overclocking the top card different to the bottom would result in the top card running at the same speed as the slowest card. I have been keeping an eye on the top card useage for some time and it always reports running at 1260mhz whereas the bottom is running 1184mhz unless EVGA Precision X is wrong...?
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
post #7 of 18
Precision X is crap. I set my clock to what I want and it never shows in the OSD even close to what I want it to be. I'll bump it up 20mhz and test it to see the OSD is showing me the same speed it was before. I don't trust the OSD and have had a few display driver crashes because I overdid the clock seep trying to match what an SSC card should run at stock. When I went back to what Precision X should show an SSC card running and not the OSD I haven't had a display crash since. Just set your card to what you want and don't trust into the software reporting too much.

In any SLI setup your slowest card will down clock any higher performing card to match its speed. This is why they recommend that you use all the same speed cards. There is no issue with running a vanilla card with an SSC card as long as you understand that the SSC is now going to perform at vanilla speeds.
post #8 of 18
Thread Starter 
Precision X and the OSD have always displayed the same values, i didn't know about that with SLI though, kind of sucks!!!

When running a game with SLI disabled in the nvidia panel will overclocking then be normal?
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
post #9 of 18
Quote:
Originally Posted by Mercyflush64 View Post

Precision X is crap. I set my clock to what I want and it never shows in the OSD even close to what I want it to be. I'll bump it up 20mhz and test it to see the OSD is showing me the same speed it was before. I don't trust the OSD and have had a few display driver crashes because I overdid the clock seep trying to match what an SSC card should run at stock. When I went back to what Precision X should show an SSC card running and not the OSD I haven't had a display crash since. Just set your card to what you want and don't trust into the software reporting too much.

In any SLI setup your slowest card will down clock any higher performing card to match its speed. This is why they recommend that you use all the same speed cards. There is no issue with running a vanilla card with an SSC card as long as you understand that the SSC is now going to perform at vanilla speeds.
I think your issues are related to GPU Boost and not the software reporting.
Quote:
Originally Posted by Darylrese View Post

Precision X and the OSD have always displayed the same values, i didn't know about that with SLI though, kind of sucks!!!

When running a game with SLI disabled in the nvidia panel will overclocking then be normal?
Yes, but obviously only the card with the monitor plugged into it will be doing any work.
post #10 of 18
Thread Starter 
Yeah thats why i installed the highest overclocking card into slot 1. Although only one of my games doesn't support SLI, i can play it overclocked to 1260mhz which gives me the best performance when i can't use SLI. With two cards i run them both at a mild +50mhz core normally.

I did wonder why no matter how much i overclocked my top card i saw very little if any performance gain. The down clocking would explain it. EVGA Precision X must be reporting wrong.

Am i right in thinking things are more stable when you DON'T sync the cards and overclock them both manually to the same value?

My top card is an Asus Direct CU II GTX 670 NON-TOP and bottom card is an Asus Direct CU II GTX 670 OC Gamer card. Strangely the NON-TOP edition clocks much higher than the OC Gamer card. I get around 1280mhz with the top card and anything over +70mhz core on the bottom card crashes!
Edited by Darylrese - 4/16/13 at 12:08pm
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
Intel Gaming PC
(17 items)
 
Playstation 4
(0 items)
 
CPUMotherboardGraphicsRAM
Intel i7 5930k @ 4.5ghz, 1.2v MSI X99A GodLike Gaming Carbon EVGA GTX 980 SC SLI Corsair Dominator Platinum 16GB DDR4 3000Mhz 
Hard DriveCoolingOSMonitor
Samsung EVO 840 250GB SSD, Seagate Barracuda 3T... Full custom watercooling loop Windows 10 Pro 64bit Acer XB271HU  
KeyboardPowerCaseMouse
Razer Blackwidow Chroma TE Corsair HX1050 Professional Series Corsair 760T White Roccat Kone XTD 
Mouse PadAudioAudioOther
Roccat Alumic Asus D2X Sound Card Bose Companion 5 Speakers NZXT Hue+ RGB Lighting  
Other
Logitech G25 Steering Wheel 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
Overclock.net › Forums › Graphics Cards › NVIDIA › NVIDIA Drivers and Overclocking Software › EVGA Precision X - Different Fan Curve for cards in SLI