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hard vmod gtx 550 ti and pencil mod

post #1 of 18
4/19/12 at 3:14pm
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hi sorry to bother you again. I have a gtx 550 you and has a 3-chip is MX25L512 is behind the Blast Card, the front of the Blast Card 74HCT08D and this sight of my em5103 bd10652 the Blast Card could help me I could put pictures thank you very much













De España buenas noches
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post #2 of 18
4/19/12 at 3:31pm
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photo chip 74HCT08D link chip 405
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post #3 of 18
4/20/12 at 6:56pm
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Can you post a picture of the PCB?

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post #4 of 18
4/21/12 at 3:49am
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if I can but is that now I have no batteries for the camera will try to buy as soon as possible
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post #5 of 18
4/21/12 at 7:50am
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these are the photos of the graphics card with the names of the chips by alludarme thank you very much thank you very much 399 399 399 399 399 hheight399399eight/399 399 399
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post #6 of 18
4/21/12 at 8:08am
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I have marked the 2x areas you need to focus on..

 

GPUv = the square/black IC in the smaller red square

vMEM = under the mosfet cooler.. it looks like... should be a 8-16 leg IC under there

 

600x399px-LL-bcc1b86c_IMGP2004.jpeg

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post #7 of 18
4/21/12 at 12:53pm
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these are the photos of the graphics card. mequeno the square is the driver of the large square acp0908 and saw nothing 399 399 399 399 399 smile.gif
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post #8 of 18
4/21/12 at 11:30pm
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:( no bueno.. 

 

* I have marked the picture below, how i think the IC's are tied to the various phases..

 

 

600x399px-LL-79aaceb4_IMGP2050 (1).jpeg

Im not certain what the pinout for the GPUv controller is... it doesnt look like a familiar chip. It could be .. just in disguise though. If you can measure resistance around the IC and map out some ground points - we may be able to figure it out though. :)

 

**Orange box = vMEM area - can you post close-up picture of this area please?

600x399px-LL-945cb457_IMGP2029.jpeg


Edited by CL3P20 - 4/21/12 at 11:33pm
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post #9 of 18
4/22/12 at 4:36am
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is not like measuring the resistance of IC with a ground with which I pusistes in the images. What I have to do? touching a square pin and play with the other in an earth or what I pusistes you. not I have to put on the tester is that it is old if you want I can buy another more modern and Dijital. this is the tester. one thing about the reports do not increase the voltage quereria I leave them as they are call me I can increase the software vmen enough. Thank you. ps thanks for the patience you have with me smile.gif I'm from Spain and estoi using a translator bye 480 700 399 399 399
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post #10 of 18
4/22/12 at 9:05am
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This IC looks very familiar to NCP5359, used on Gigabyte model GPU... 

 

 

**Can you please measure resistance at the 'blue' and 'yellow' resistors I have marked? As well... please see if either of those resistors have a connection to ground.

600x480px-LL-f8b76957_-1.jpeg

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