6600 (Non-GT) Volt Mods

[seaman]

Yes all of you can use a Sparkle bios.Or Asus one,or MSI.
Moded bioses for voltage just don't work for me.They don't change voltage for real.
For Leadtek,you will see an improvement in core overclocking.
For Palit.I don't know since there is no molex conector.Same problem like Inno.AGP is limited to max 40w power supply to the card and rising AGP voltage in bios does not help overclocking,but it is ment for something else,concerning Northbridge_AGP link.It might help stability,though.
I currently run my Sparkle at 600/780 with changed timmings.

[wedfighter]

Yes all of you can use a Sparkle bios.Or Asus one,or MSI.
I currently run my Sparkle at 600/780 with changed timmings.

What timing do u use to reach the 780 for mem clock?
can u post the timing for the mem?
n what type of memories do u use? Hynix 3.6ns,4ns or the Samsung one?
mine is Hynix 3.6ns, i'll attempt to do the same timing as u did, hopefully it can fly my mem clock about 750 or something near it
n what voltage do u use to run core @ 600 ?
many thanx Seaman...

[seaman]

Sorrry guys, network was down yesterday and couln't answer.
Use the bios that I posted here:
http://www.mvktech.net/component/opt.../limitstart,0/
and you will have modified timmings.You can see timmings in RivaTuner if you need.I don't like the way new NiBiTor works with the timmings and I'm not sure it really change them.Better use that bios but be carefull that is clocked 500/700.Reduce this values if you think your card can not do them,otherwise you will not be able to enter in Windows after flashing.Don't mess with the timmings.
I must tell you that my card is voltmodded to 1.5V for core and 2.72V for memory.
Good luck

[seaman]

Memory is Hynix 3.6

[wedfighter]

The sparkleultra bios has the same memory(s) timing with my Leadtek 6600, are u use that timing to oc ur mem @ 780?

[seaman]

Don't use nibitor to read timmings.It shows allways same timmings,and never changes anything if you try to choose other set.
Yes,I use that bios like it is,and RivaTuner detects other timmings the usual with Sparkle bios.

[wedfighter]

Just testing the Sparkle Ultra BIOS on my Leadtek,n it's rocks mann..
my highest clock reach 600 for gpu and 800 for mem (artifacts free)
n looks like it can even go higher if i replace the stock cooler, n put a ramsink on my Hynix 3.6ns..
btw how do we read the timing with Rivatuner? Can u explain it?
Thx Seaman for ur help!

[olgo2]

Hi,
I have a problem...
I used ntimings with my Peak 6600 (non GT) card....
with this settings:
TIMING0 : 060b1003
TIMING1 : 05010407
TIMING2 : 00240306...
After reboot, during boot
I can't see the windows logo...
I can see only a blank screen...
I tried to flash firmware but, with different firmware, I have the same result...
I used also sparkle ultra firmware... before ntimings this worked....
Anyone have an Idea?
Best regards...
Antonio

P.S. excuse my little english....

[fireandice]

i got a chaintech 256mb 6600 agp.

i shaded the R87 resistor and the result is the same. still a max of 452mhz on the core. so i used the eraser to clean it off falowed by 90% alch.

so the pencil i used im not shure what number it was should be a number 2 but it was a cheap one with no number on it. should i use a good number 2 pencil? how dark should i shade it?

[fireandice]

ok stock R87 was 500ohm i penciled it to 460ohm and at first i could get to 500mhz but it would haing i would restart and it wouldent let me go to 500mhz only 452mhz on the core and would run it fine. anyone know whats wrong?

chaintech 6600 256mb agp.

[gOJDO]

Hi,
I have a problem...
I used ntimings with my Peak 6600 (non GT) card....
with this settings:
TIMING0 : 060b1003
TIMING1 : 05010407
TIMING2 : 00240306...
After reboot, during boot
I can't see the windows logo...
I can see only a blank screen...
I tried to flash firmware but, with different firmware, I have the same result...
I used also sparkle ultra firmware... before ntimings this worked....
Anyone have an Idea?
Best regards...
Antonio

P.S. excuse my little english....

why don't you try with the original firmware?
It is possible that the firmware is OK, but there is no image on the screen becouse you have "burned" some of the video RAM chips.

[JMKS]

Hmm... pretty old topic .
But yes, I have a 6600 to voltmod - maybe someone can help?
I've been looking for VMod for some time but no luck - I doesn't find any PCB similar to that used in my card .

It's Leadtek PX6600 TD, non-GT, 256MB, PCI-E version.




Front:
1 ams1117
2 apm7313
3 apm2509
4 apl1581

Rear:
1 sst25wf512
2 4410m
3 apw7063
4 apw7051
5 act08(b)

I have a pencil and a multimeter (and I'm noob in VGA modding , only VDimm on P5B-Dlx and VDroop on Commando already {both by pencil, succesful}). Any suggestions?