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Sapphire HD2400 Pro - Vgpu & Vmem Mod

post #1 of 15
Thread Starter 
Just another one... will add modding pics and oc results later.


ATI Sapphire HD2400 Pro 256MB


overview






vGPU mod

stock voltage: 1.130V (Last)
stock resistance: 159Ohm






vMEM mod

stock voltage: 1.993V
stock resistance: 460Ohm

DDR2 RAM comes from Hynix (FP-25).


Edited by mAlkAv!An - 6/8/11 at 11:48am
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post #2 of 15
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First result with 1.68Vgpu / 2.20Vmem and already a 100%+ OC on the core

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post #3 of 15
dam nice oc cooling used?

but i carnt see the pics o.O
    
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post #4 of 15
Thread Starter 
Really not? I'll upload them again then.

I've just a mid range air cooling - Zalman VF-900.


Edit:

Edited by mAlkAv!An - 3/20/11 at 7:45am
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post #5 of 15
heh nice

thanks for reuploading those
nice oc going further im guessing? what are temps like? xD
    
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post #6 of 15
Thread Starter 
Yes but I have to do a OCP mod to raise the vGPU further. If doing this I'll also add some GPU output caps and 12V input caps.

To be honest I have no idea about temps. All programs show ~40°C under load(25-30°C Idle) but I doubt it's so low. On the other hand the few shader units won't produce much heat ^^
If possible I would also push the vGPU up to 2V
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post #7 of 15
nice be good to see how far it can go xD

well im sure youll find out about what temps its running at once its dies ( hope ya get 150% increase b4 that though )

btw such a tiny card o.O lol
    
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post #8 of 15
Thread Starter 
The GPU PWM IC has been relabeled, so I have no datasheet to look at. Will be some trial and error then.

Well at least it's not low profile. They just cut the PCB behind the PCI-E conector it's as long as the slot

Small cards with oversized air coolers looks funny though:
http://extreme.pcgameshardware.de/at...s_capmod_7.jpg
http://extreme.pcgameshardware.de/at...0gs_acs2_1.jpg
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post #9 of 15
haha wow......
*looks at 8400gs low profile. your next when 9400gt dies*
but that 8400 with that o.O damm
btw think i saw a 2600pro b4...
http://www.xtremesystems.org/Forums/...1&postcount=26

^ ahh their coolers bigger then the poor thing haha
    
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post #10 of 15
Thread Starter 
capping done...

2x 16V 330µF 12V Input
2x 6,3V 1500µF GPU Output
4x 6,3V 1000µF VRAM Output





Edited by mAlkAv!An - 6/8/11 at 11:50am
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