Overclock.net › Forums › Graphics Cards › AMD/ATI › 5870's 2D clock with dual monitors?
New Posts  All Forums:Forum Nav:

5870's 2D clock with dual monitors?

post #1 of 6
Thread Starter 
I'm running a dual monitor setup with my 5870.
However, when the 2nd monitor is enabled, the 2D clock is significantly higher than single monitor.

With one monitor only, the 2D clock sets at:
157Mhz Core Clock/300Mhz Memory Clock

With two monitors, the 2D clocks goes up to:
400Mhz Core Clock/1200Mhz Memory Clock

And of course the GPU gets a lot warmer.

Are there anyways to lower the 2D clock speeds when running dual monitors?
SK-004
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Xeon E3-1235 Asus P8P67 WS Revolution Gigabyte 7950 Windforce Samsung Low Profile 4x4GB, 1600Mhz 
Hard DriveOptical DriveCoolingOS
Plextor M3 256GB, WD 1.5TB Black, 2x Hitachi 2T... Lite-On 20X DVD burner Thermalright HR-02 Windows 7 Ultimate 64bit 
MonitorKeyboardPowerCase
HP ZR30w Razer BlackWidow Ultimate Seasonic X750 Lian Li V1020R 
MouseMouse Pad
Logitech G500 Ikea desk 
  hide details  
Reply
SK-004
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Xeon E3-1235 Asus P8P67 WS Revolution Gigabyte 7950 Windforce Samsung Low Profile 4x4GB, 1600Mhz 
Hard DriveOptical DriveCoolingOS
Plextor M3 256GB, WD 1.5TB Black, 2x Hitachi 2T... Lite-On 20X DVD burner Thermalright HR-02 Windows 7 Ultimate 64bit 
MonitorKeyboardPowerCase
HP ZR30w Razer BlackWidow Ultimate Seasonic X750 Lian Li V1020R 
MouseMouse Pad
Logitech G500 Ikea desk 
  hide details  
Reply
post #2 of 6
Not really except for running a cross-fire. I wonder if you could do it in eyefinity? But you'd need more 5870's which is a good excuse to run those bad boys cross-fired!

I know it's not what you wanted to hear but I hope it helps a little.
    
CPUMotherboardGraphicsRAM
980x Rampage Black Edition Crossfired XFX 6990's 24GB RipJaws 
Hard DriveOptical DriveOSMonitor
Vertex 3 SSD 240GB Samsung Blu Ray Win7 64bit Dual Dell 30" 
PowerCase
1200 watt Corsair Corsair 800D 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
980x Rampage Black Edition Crossfired XFX 6990's 24GB RipJaws 
Hard DriveOptical DriveOSMonitor
Vertex 3 SSD 240GB Samsung Blu Ray Win7 64bit Dual Dell 30" 
PowerCase
1200 watt Corsair Corsair 800D 
  hide details  
Reply
post #3 of 6
I think that was done to stop flickering on the second monitor.
post #4 of 6
It is normal. Flicker occurs on the 2nd monitor if you lower the memory/core clocks. IIRC, Nvidia's 4xx cards have high clocks with 2 or more monitors too.
post #5 of 6
It is normal, it's in order to cope with the added load.
Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
  hide details  
Reply
Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
  hide details  
Reply
post #6 of 6
Use something like Radeon Bios Editor, edit the bios to change idle clocks, and flash it with RBE.

I mean flash it with ATIFlash lol
Edited by Dopamin3 - 6/8/10 at 12:23am
Beast
(14 items)
 
Dell XPS Faptop
(8 items)
 
Alura :)
(11 items)
 
CPUMotherboardGraphicsRAM
i7 4790k Asus Z97 Pro WIFI-AC Sapphire Nitro Radeon R9 Fury Tri-X OC+  G.Skill 4 x 8GB F3-2133C9D-16GXH 
Hard DriveOptical DriveCoolingOS
2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
MonitorKeyboardPowerCase
Pixio PX277 Logitech G510 Seasonic SS-660XP2 Fractal Design R4 Blackout 
MouseMouse Pad
Logitech G500 Xtrac Ripper 
CPUMotherboardGraphicsRAM
Core 2 Duo T5250 @ 1.5ghz Dell 0N6705 Mobile Intel 965 Express 2 x 2GB Hyundai/Kingston DDR2 533mhz 
Hard DriveOptical DriveOSMonitor
OCZ Summit 60GB SSD Slot Load DVD-RW Windows 7 Ultimate x64 13.3 inch 1280x800 
CPUMotherboardGraphicsRAM
i5 2500k Asus P8Z68-V Pro MSI R7970 Lightning BE 2 x 4GB G.Skill Ripjaws 2133mhz 
Hard DriveOptical DriveCoolingOS
Mushkin Enhanced Chronos 240GB and WD Black 1TB Asus DRW-24B1ST Cooler Master Hyper 212 EVO Windows 7 Ultimate x64 
MonitorPowerCase
Hannspree 24 inch Thermaltake Tough Power TP-750P 750W Gold Cooler Master HAF 932 
  hide details  
Reply
Beast
(14 items)
 
Dell XPS Faptop
(8 items)
 
Alura :)
(11 items)
 
CPUMotherboardGraphicsRAM
i7 4790k Asus Z97 Pro WIFI-AC Sapphire Nitro Radeon R9 Fury Tri-X OC+  G.Skill 4 x 8GB F3-2133C9D-16GXH 
Hard DriveOptical DriveCoolingOS
2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
MonitorKeyboardPowerCase
Pixio PX277 Logitech G510 Seasonic SS-660XP2 Fractal Design R4 Blackout 
MouseMouse Pad
Logitech G500 Xtrac Ripper 
CPUMotherboardGraphicsRAM
Core 2 Duo T5250 @ 1.5ghz Dell 0N6705 Mobile Intel 965 Express 2 x 2GB Hyundai/Kingston DDR2 533mhz 
Hard DriveOptical DriveOSMonitor
OCZ Summit 60GB SSD Slot Load DVD-RW Windows 7 Ultimate x64 13.3 inch 1280x800 
CPUMotherboardGraphicsRAM
i5 2500k Asus P8Z68-V Pro MSI R7970 Lightning BE 2 x 4GB G.Skill Ripjaws 2133mhz 
Hard DriveOptical DriveCoolingOS
Mushkin Enhanced Chronos 240GB and WD Black 1TB Asus DRW-24B1ST Cooler Master Hyper 212 EVO Windows 7 Ultimate x64 
MonitorPowerCase
Hannspree 24 inch Thermaltake Tough Power TP-750P 750W Gold Cooler Master HAF 932 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: AMD/ATI
Overclock.net › Forums › Graphics Cards › AMD/ATI › 5870's 2D clock with dual monitors?