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OCN's V'mod Squad's, Volt Mod Essentials! - Page 27

post #261 of 1498
Nice 1GHz on the core
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post #262 of 1498
well done, I almsot got 4890s with my bloodrage cause I read the bloodrage can quadfire them and they could hit 1000mhz fairly easily...

Idint though and I went green isntead and haven't looked back
post #263 of 1498
Thread Starter 
Quote:
Originally Posted by superj1977 View Post
Yup its a hd 4890 by xfx non refrence version,black pcb with analogue vrms.

Ok furmark is ditched then,i heard similar things not so long ago and i dont have any faith in the benchmark results it produces anymore.

GpuTool rocks i love it and use it often,Ati Tool i stopped using but cant remeber why,maybe i will try it again then.
Ok, added your GPU mod to the list. made it to the v'mod list and don't even have 100 post. Nice work

So can we map the MEM so we can add it to? That's cool if you don't want to mod the mem, but would love to work it and add it to the list for others.


Oh, and I run ATItool and GPUtool at the time and see which one artifacts first.
    
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post #264 of 1498
Looking for vMeasure, vmem, and vgpu mods on an 8600gt I got.



Edit:
Also thinking of adding caps to the red circles (i have a lot of extras coming in )

Edited by Martkilu - 1/17/10 at 12:31am
post #265 of 1498
Thread Starter 
Measure the voltages to make sure you are using the right size caps in those spots you labeled.

Could you do some probing on the PCB and tell me what voltages you are getting in these area? Measure voltage in the red circles and I need the IC # off the yellow circles.
    
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post #266 of 1498
Quote:
Originally Posted by PizzaMan View Post
Measure the voltages to make sure you are using the right size caps in those spots you labeled.

Could you do some probing on the PCB and tell me what voltages you are getting in these area? Measure voltage in the red circles and I need the IC # off the yellow circles.
Alright be back soon with them
post #267 of 1498

Here ya go
Sorry if any of it is confusing

The APW7074 ic
The apw7067n ic

I'll see if I can make any sense out of them.

Quote:
Originally Posted by PizzaMan View Post
Here's the the data sheet for apw7067n

Pin #4

Measure the resistance of the pin marked green. Also, test for continuity between the end of the green marked resistor.


Can you take a closer pic of the IC in the top left?
From this thread.
Edited by Martkilu - 1/17/10 at 1:52am
post #268 of 1498
Hi all,im thinking yes for the memory mod but what i gota do is i gota wait about a week as i have a feeling im going to be quite a bit richer at the end of this week.
So if i brick the card it wont matter as much.
Things still going strong with mod,still no probs.

Doc,im really tempted to walk the green path soon aswell,its the whole physics thingy thats appelaing to me,and im pretty sure when i looked at a few of the expensive green cards they had massive memory bandwidth which i suppose would help with my obsession of crysis benchmarks.

Like i said if anyone knows the mem mod for my card then i welcome it but will do it next week.
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post #269 of 1498
Thread Starter 
Quote:
Originally Posted by Martkilu View Post

Here ya go
Sorry if any of it is confusing

The APW7074 ic
The apw7067n ic

I'll see if I can make any sense out of them.



From this thread.
Thx man. I'm still trying to figure out which is MEM and GPU. Gonna read up on the data sheets when I have more time. At first glance i was thinking the top one was MEM and the lower GPU, but from your readings it might be the other way around.
    
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E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3 
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3 
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station 
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post #270 of 1498
Quote:
Originally Posted by PizzaMan View Post
Thx man. I'm still trying to figure out which is MEM and GPU. Gonna read up on the data sheets when I have more time. At first glance i was thinking the top one was MEM and the lower GPU, but from your readings it might be the other way around.
According to here the APW7074 seems to be the gpu
Quote:
The voltage at the GPU is controlled by chip Anpec APW7074 (, 955Kb) datasheet, located on the face of the card in the upper right corner. By default, the voltage at the GPU is 1.42 v (as in 2D and 3D mode). For vol′tmoda GPU need to connect the 5 foot APW7074 (Vgpu-feedback), 7th (land) through variable resistor 10 k ohms. You can use to monitor the legs of one of the two capacitors power GPU (CE2 or CE3).
They had the same chip on the 7600gs they were using

And here they show the apw7067n as vmem mod. They also show where to solder on it, but that card doesn't have the APW7074.
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