resonatorman

I posted a picture!

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Shamino

which two? which is the resistor side connected to the pin direct, 0 ohms? point to me
basically, i need u to find the resistor connected to the pin, and the other side of the connected resistor has to be grounded, meaning 0 ohms to ground on one side and 0 ohms to pin on the other. this si the resistor to pencil

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resonatorman

DONE!
The picture shows the one to pencil (connected to the pin, other side connected to ground). It reads 1,66kOhms default, with a little pencilling I got 1,5kOhms which resulted in 1,3V GPU (normally 1,2). That gave me +40 OC. I haven't tried more, maybe next time.
Sad though: the RAM should be 1,2ns but doesn't reach 800. Can we figure out a RAM-pencilmod, too?

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Shamino

nice goin!

same thing, i need you to find the "One" that is with this pin marked:



shd be opne of the resistors circled.

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Graham_h

Awesome work guys

resonatorman can the 1.3v be done with a conductive ink pen ?
Can you post a magnified pic of where to draw.

I want to know how to do it rather than stuff my card, 1.3v would be great for me as my Gainward does 645mhz at 1.2v

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Shamino

a normal graphite 2B pencil, never use a conductive pen, this is a pencil mod not a pen mod!

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Graham_h

ok thanks,
I'll give it a shot

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Graham_h

Real good pic of the PCB of the AGP version

Does this help to ID anything ?

http://www.tigerdirect.com.au/images...0GTAGPback.jpg

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resonatorman

Just draw on the upside of the tiny resistor from contact to contact with a pencil. It's as easy as that. You need a multimeter that tells you when to stop. There must be more than 1,3V possible, it was just my first shot. I bet when the reading is 1,4kOhms or so, you get around 1,4V.

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resonatorman

Shamino, it's not so obvious this time.
Are you sure you marked the right pin? This is pin #3 AFAIK, the "point" on the IC is in the right downward corner on your pic.
When I measure the resistors, the same spots are connected to pin and ground...so I guess it must be a ground pin.
Indeed it is, as one can see in the datasheet of the RT9214 part. Please show me the right pin to work with.

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TheOneVito

Nice work guys, and I am sure if you used a VR instead of Pencil you would be able to get more than 1.3v pretty easy.

Where would you connect a VR and what size if you were going to do it that way?

I was thining with the "One" resistor, couldn't you just solder a 10K across it?

Also, where is the measure point?

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resonatorman

First read, then post.
1) I said I got 1,3V in the first attempt - more is possible IMO.
2) VRmod: Post#41
3) measure points: Post#38, everything with 1,2V

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TheOneVito

kk, sorry, thought I did read it, must not have been concentrating, thanks though.

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Shamino

pin 6, i dunno how ur chipo is arranged cant see the codes to tell
if resistor not found then it shd be on front side

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resonatorman

Hmm, I found TWO that do the trick:

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