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Can I overclock further?

post #1 of 2
Thread Starter 
Hi!

My rig specs are bellow. I use MSI afterburner V2.3.1 and for the life of me I cannot OC my GPU's over 1000Mhz core clock and 1425Mhz memory clock. On various GPU's I've had in the past the core voltage slider has been either blanked out or available. For my 7970's it's not available only my power limit slider. By the way what does power limit do? I know the title is self explanatory bit is it what it says on the tin? My GPU's can take the heat of a bit more of an OC. I have 3 120mm fans pushing air strait into them. Base temps are around 30-40 degrees. Is there any software that will allow me to properly overclock my GPU's or is there away to OC more efficiently on MSI?

Thanks,
Max

PC Specs:
MOBO: ROG Ramage 4 Formula
CPU: Intel i7 3930k 4.2GHZ Coolant: H100
GPU: 2x XFX Radeon HD R7970
RAM: 16GB G-Skill Ripjaws X 2133MHZ 11-11-11-30-2
SSD: OCZ 60GB SATA3
HDD: 2TB 7200RPM
PSU: 850W Antec
Case: Antec 1200
post #2 of 2
The power limit slider controls the point at which PowerTune will throttle down the card. I recommend you max it out if OCing.

Do you know the exact model number of your cards? There are many different PCBs (and firmware version) that the 7970s use, and not all of them support software voltage control the same way.

Have you tried the unofficial OCing option in MSI AB?

http://forums.guru3d.com/showthread.php?t=338906
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CPUMotherboardGraphicsRAM
5820K @ 4.3/3.6GHz core/uncore, 1.225/1.2v Gigabyte X99 SOC Champion (F22n) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-11-12-27-T1, 1.37v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
OSMonitorKeyboardPower
Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 Logitech G402 Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 @ 4.4/3.2GHz core/uncore, 1.36 vcore, 1.2... Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 2000, 10-11-11-30-T1,... 
RAMHard DriveHard DriveHard Drive
1x Crucial BLT4G3D1608ET3LX0 @ 2000, 10-11-11-3... OCZ (Toshiba) Trion 150 120GB Hyundai Sapphire 120GB 3x Hitachi Deskstar 7k1000.C 1TB 
CoolingOSPowerCase
Noctua NH-D14 Windows 7 Pro x64 SP1 Antec TP-750 Fractal Design R5 
Audio
ASUS Xonar DS 
CPUMotherboardGraphicsRAM
i7-6800K @ 4.3/3.5GHz core/uncore, 1.36/1.2v ASRock X99 OC Formula (P3.10) GTX 780 (temporary) 4x4GiB Crucial DDR4-2400 @ 11-13-12-28-T2, 1.33v 
Hard DriveHard DriveCoolingOS
Intel 600p 256GB NVMe 2x HGST Travelstar 7k1000 1TB Corsair H55 (temporary) Windows Server 2016 Datacenter 
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Seasonic SS-860XP2 Corsair Carbide Air 540 
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