Volt modding vDIMM on my 7800GTs???

[Matt2]

I think I may try volt modding the RAM on my GTs right now.

Just to see what I can get with it.

If I use the pencil trick I can erase it to get the original resistance back right?

 

[moonboy403]

wow, you're going into a dangerous territory matt!

brave soldier!

 

[kyparrish]

Not worth it!

 

[Pr0nMaster]

C'mon guys I need some help!

I'm using an eVGA 6800GS as my guinea pig.

According to VR-Zone, the 6800GS has the same mods as the 7800GT.

So far I am not having success. After pencil tricking the core and memory, Coolbits actually detects my optimal frequencies as lower than before (518/1.18). I removed both pencil tricks and Coolbits now autodetects the GS at 530/1.23 ???

What the ef? I followed the guide and confirmed the resistances with a multimeter?

Anyone who's actually tried it that can give me some insight?

EDIT: This is Matt2 on my neighbor's laptop. My comp is down right now while messing with the GS.

 

[Leper Messiah]

What cool bits says and what is actually your OC can be two different things I guess. Try testing with 3dmark/games and see if you get artifacting.

 

[Pr0nMaster]

Originally posted by: Leper Messiah
What cool bits says and what is actually your OC can be two different things I guess. Try testing with 3dmark/games and see if you get artifacting.

I did. It fails the overclock test at the same speeds as before the mods.

 

[Matt2]

Bump.

The 6800GS failed to gain anything from the volt mod. I dont know if I did something wrong or if the memory was just crappy.

I also helped Volt Mod Pr0nMaster's BFG 7800GT and now his 7800GT runs 522/1380 with the 1.5v BIOS mod and now the pencil trick mod for the memory.

Anyone do this with GT SLI?

I am just afraid of the heat issue. I dont wanna fry my purdy GTs!

I'm using an NV5 Silencer and the eVGA stock CO HSF. Think this is adequate cooling for just the memory mod?

 

[Matt2]

no one?

 

[Matt2]

anyone?

 

[Matt2]

BUMP

I KNOW someone on this board had voltmodded 7800GTs in SLI.

hmmm..

Was it you ElFear?

 

[TehVince]

I have the same card as you Matt. I've picked up the rheostats to start volt modding my card. A 10K and a 5K. I'm waiting on my Thremalright V1 Ultra before I do the mod. I'm not sure if you can do the simple .1v and .06v increases with the stock cooling. You could give it a try. I don't seem to get over 60 in ATi tool running 500/1200. That's not much of a voltage increase for the memory. I say go for it.

 

[firewolfsm]

coolbits will detect lower because the volt mod made it hotter

 

[TehVince]

Umm, what? That makes no sence. And I have yet to mod my card. I was using the monitor in ATi tool, but nvMonitor MBM and CoolBits all say the same. Upping the volts would in no way cause the temperature to read lower.

 

[atybimf]

See what you can do overclocking it first. I was thinking about volt-modding mine, but I can do 515/1220 with normal volts!.

 

[Matt2]

mine are running 500/1190 right now with no volt modding at all. They will do up to 515/1200, but I get artifacting after about 25min of COD2 or FEAR with the memory at 1200.

 

[atybimf]

Originally posted by: Matt2
mine are running 500/1190 right now with no volt modding at all. They will do up to 515/1200, but I get artifacting after about 25min of COD2 or FEAR with the memory at 1200.

I guess I'm spoiled, but my 7800GT came stock at 470/1200 for some reason.