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4870 underclocking (2d clocks)

post #1 of 2
Thread Starter 
Hi everyone,

I posted a while back about a build I was planning: http://www.overclock.net/t/1341404/1155-budget-build

I've now ordered the bits, and due to what was available on ebay at the time and within budget, the spec has changed a bit and it now is going to have a discrete GPU - an XFX 4870 to be exact.

I haven't had an AMD card myself in quite a while, so I am not really familiar with the tools.

Can I use afterburner to set fan profiles on this card? Also, I understand they run quite hot and loud (and consume quite a bit of power), so I will be wanting to get it to downclock very aggressively for 2D desktop stuff (the majority of usage) - I believe there may be a limit to how far I can downclock it without a modified BIOS, is that correct? If it is, what do I need to do to get a modded BIOS on it - can I back up the existing BIOS using GPU-Z then edit it to set up very low 2D clocks?

Thanks
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i7 2600k @ 4.6GHz Asus Maximus IV Extreme R9 290 R9 290 
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16GB G-Skill DDR3 1600MHz 256GB Samsung 830 SSD 512GB Samsung 830 SSD 256 GB Samsung PB22-J SSD 
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OSMonitorMonitorMonitor
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Project Obselete
(20 items)
 
  
CPUMotherboardGraphicsGraphics
i7 2600k @ 4.6GHz Asus Maximus IV Extreme R9 290 R9 290 
RAMHard DriveHard DriveHard Drive
16GB G-Skill DDR3 1600MHz 256GB Samsung 830 SSD 512GB Samsung 830 SSD 256 GB Samsung PB22-J SSD 
Hard DriveHard DriveOptical DriveCooling
1TB Samsung Spinpoint F3 2TB Samsung Spinpoint F4 Asus BW-12B1LT Custom loop with external radbox 
OSMonitorMonitorMonitor
Windows 7 Ultimate x64 Crossover 27Q LED-P Crossover 27Q LED-P Optoma GT720 
PowerCaseAudioOther
Corsair AX1200i Coolermaster HAF X Asus Xonar D2X Highpoint RocketRAID 2680 
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Reply
post #2 of 2
If I remember correctly, I believe the 4870 already under clocks itself when in 2d mode.
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Q6600 Asus P5k HIS Readeon 4830 Corsair XMS2-6400 
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Samsung SP120 Maxtor 160 Stock Window 7 64 Bit 
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Saitek CYborg v.2 Corsair CX430 Random mid 90s case Logitech G5 
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QEXTREMEYO
(12 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 Asus P5k HIS Readeon 4830 Corsair XMS2-6400 
Hard DriveHard DriveCoolingOS
Samsung SP120 Maxtor 160 Stock Window 7 64 Bit 
KeyboardPowerCaseMouse
Saitek CYborg v.2 Corsair CX430 Random mid 90s case Logitech G5 
  hide details  
Reply
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