Siggi
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XpertVision Radeon HD 2600 PRO, and tweaked BIOS update? - 2007/11/04 21:31
Hi, I bought two XpertVision Radeon HD 2600 PRO's in August as replacement for my GeForce 6800 and a GeForce 7600 GT for about $85. Fair price for a mid-range card. But I was a little bit disappointed about the performance. The GeForce 6800 reached about 9800 marks and the GeForce 7600 GT if I remember well above 13000 marks at 3DMark03. The new Radeon HD 2600 PRO reached about 10500 marks by default 600/700MHz.
A poorly improvment by comparison to a nearly three years older GeForce 6800. Also annoying, no fan control, poor overclocking, about 625/725MHz and up to now no tools available like RaBiT. So I had to be on my own and screwed a little with my HEX editor. One of the two goals, to raise the overclocking limit and to lower the fan speed I reached for I had achieved. With a modified BIOS the Radeon HD 2600 PRO will be detected as a XT, requires reinstall of the drivers.
The Catalyst overclocking limit is now lifted up from 625/725MHz to a better and higher 850/850MHz. And all other settings remain unchanged.
- Blue : GPU Clock 803801 = 800MHz, 084C01 = 850MHz
- Green : Memory Clock 803801 = 800MHz, 084C01 = 850MHz
- Yellow = Catalyst Control Center Oveclocking Limit
- Blue : GPU Clock 60EA00 = 600MHz, F82A00 = 110MHz, 307500 = 300MHz
- Green : Memory Clock 701101 = 700MHz
- Red : GPU Voltage B004 = 1.2V, 1A04 = 1.05V
Settings : Original XpertVision Radeon HD 2600 PRO
Settings : Overclock Tweak XpertVision Radeon HD 2600 PRO
Settings : Catalyst View XpertVision Radeon HD 2600 PRO
The BIOS of my original XpertVision Radeon HD 2600 PRO dated at 06/30/07 (26P7060.26)and the original XpertVision Radeon HD 2600 PRO BIOS, you can download here on the downloads secrion is from 07/18/07 (26P7060.2A). Changes are, increased PowerPlay state 1 from 297MHz to 700MHz and performance level 1 from 400MHz to 700MHz. Now my question, can or shall I upload this modified BIOS file or do you have an objection? Thanks...
A currently incomplete listing of Catalyst overclock limits in the BIOS of the Radeon HD 2400/2600 series, so meaning the Overdrive overclocking limited by BIOS settings.
AMD/ATI Radeon HD 2600 Graphics Card Series...
Card BIOS Settings --- Default Speed --- Clock Limit Speed
- ASUS - 2600 XT DDR3 ------------- 800/1400MHz --- 1000/1800MHz
- HIS - 2600 XT Silence DDR3 ----- 800/1400MHz --- 900/2200MHz
- PowerColor - 2600 PRO DDR2 --- 600/810MHz --- 660/1100MHz
- PowerColor - 2600XT DDR3 ------- 800/1400MHz --- 880/1560MHz
- Sapphire - 2600 XT DDR4 ---------- 800/2200MHz --- 857/2358MHz
- Sapphire - 2600 XT DDR3 ---------- 800/1400MHz --- 880/1760MHz
- XpertVision - 2600 PRO DDR3 --- 600/1400MHz --- 625/1450MHz
- XpertVision - 2600 XT DDR3 ------- 800/1600MHz --- 850/1700MHz
AMD/ATI Radeon HD 2400 Graphics Card Series...
Card BIOS Settings --- Default Speed --- Clock Limit Speed
- MSI - 2400 PRO DDR2 -------------- 525/800MHz --- No Limit/Tweak?
- Sapphire - 2400 PRO DDR2 ------- 525/800MHz --- 600/1200MHz
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ASUS 8800GT PCIe 512MB - Rev 04
