DEFEAT the COLD BUG on the X1900XTX by Moding it.......

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03-15-2006, 01:10 PM
s e t h

and presumably starting at 50kohm resistence and working down?
and sorry but i don't have a vddci picture.
the picture i just posted came from Angelz at XR (thanks Angelz)
03-15-2006, 01:12 PM
hipro5

Quote:

Originally Posted by Waxman

Thanks a lot hipro.

Will that mod help on water or it's only for phase users?

You're welcome.......

The mod will help ONLY if your VGA can handle more than 1.575VCore......Test it and see......;)
03-15-2006, 01:13 PM
hipro5

Quote:

Originally Posted by flytek

and presumably starting at 50kohm resistence and working down?

Yes........:)
03-15-2006, 01:25 PM
kiwi

Quote:

Originally Posted by hipro5

You're welcome.......

The mod will help ONLY if your VGA can handle more than 1.575VCore......Test it and see......;)

Why would it not handle if you have good cooling? :D
Especially if yours works at 1.76V :D
03-15-2006, 02:11 PM
esdee

George we need a better score. we need to push everything to the absolute limit. you where gone when i arrived @ the lab today. how was the evap temp when ati tool showed -83?

im checking if i can get more LN2 friday. (damn we need smth like a 300lt dewar)
03-15-2006, 02:13 PM
kiwi

lol I'd like to see your lab where a bunch of clockers are benching, modding, partying etc :D :p:
03-15-2006, 02:21 PM
G H Z

I don't think H<sub>2</sub>O would benefit from more than 1.575V the max ATI Tool provides but I suppose there might be a few cards that can handle it.

Thanks again hipro & congrats on the first 1Ghz benchable ATI core :toast:
03-15-2006, 03:06 PM
hipro5

Quote:

Originally Posted by esdee

George we need a better score. we need to push everything to the absolute limit. you where gone when i arrived @ the lab today. how was the evap temp when ati tool showed -83?

im checking if i can get more LN2 friday. (damn we need smth like a 300lt dewar)

-98*C.........
03-15-2006, 03:08 PM
hipro5

Quote:

Originally Posted by G H Z

I don't think H<sub>2</sub>O would benefit from more than 1.575V the max ATI Tool provides but I suppose there might be a few cards that can handle it.

Thanks again hipro & congrats on the first 1Ghz benchable ATI core :toast:

Thanks M8.......I'll try for more though coz Vince(k|ngp|n) is "preparing" his rig too....... :D
03-15-2006, 04:13 PM
wittekakker

hipro5, if I understand this good, u are only putting Vcore up so gpu gets hotter and u are no longer in bug zone, or just less.
Right. Those are 'just' hardmods for more voltage (and heat), or did I mis something here? :s
03-15-2006, 05:20 PM
G H Z

It's really no different than the special BIOS'es that were run @ Ibezia on X1800's that fired up with 1.4v default before entering 3D mode, just that hipro's version is hard and allows higher voltages overall.
03-15-2006, 05:29 PM
bigval

Quote:

Originally Posted by wittekakker

hipro5, if I understand this good, u are only putting Vcore up so gpu gets hotter and u are no longer in bug zone, or just less.
Right. Those are 'just' hardmods for more voltage (and heat), or did I mis something here? :s

Well all the extra voltage gives it more power/stability and it is able to handle the cold. It also causes the core to put out more heat wattage etc.

Amazing work hipro! I will not be surprised when you hit 60k, and I know you will! :clap:
03-16-2006, 12:40 AM
hipro5

Quote:

Originally Posted by wittekakker

hipro5, if I understand this good, u are only putting Vcore up so gpu gets hotter and u are no longer in bug zone, or just less.
Right. Those are 'just' hardmods for more voltage (and heat), or did I mis something here? :s

VCore mod helps as for the subzero temps........BUT VDDCI helps a lot better for it.......I think that it is the Internal's Memory Controler Voltage......;)
03-16-2006, 12:44 AM
hipro5

Quote:

Originally Posted by G H Z

It's really no different than the special BIOS'es that were run @ Ibezia on X1800's that fired up with 1.4v default before entering 3D mode, just that hipro's version is hard and allows higher voltages overall.

PLUS there is also memory controler's (I believe that it's memory contoler's voltage the VDDCI as for it's behavior) voltage that helps too......;)

Thing is that you cannot find any dataseets as for the main voltage control unit(VT1103) coz I could do a lot more than that......Confidential my a(h)ss........:slapass:
03-16-2006, 12:48 AM
hipro5

Quote:

Originally Posted by bigval

Well all the extra voltage gives it more power/stability and it is able to handle the cold. It also causes the core to put out more heat wattage etc.

Amazing work hipro! I will not be surprised when you hit 60k, and I know you will! :clap:

Thanks M8.......BUT 60k are too difficult to be done with this setup.....Maybe with Yonah.......;)
03-16-2006, 01:54 AM
chefnr1

heres a pic of the other to mod hope the pic is good enough it'a a little greasy on the card just run LN2 on it..[IMG]http://img213.imageshack.us/img213/5...asy10ka.th.jpg[/IMG]
03-16-2006, 02:46 AM
Overklokk

Dam i did the mod today and my card is now dead...... When i start it shoves 0,01v too the core ..... took of the mods but still the same :(

Somthing went wrong :(
03-16-2006, 02:49 AM
wittekakker

Quote:

Originally Posted by hipro5

PLUS there is also memory controler's (I believe that it's memory contoler's voltage the VDDCI as for it's behavior) voltage that helps too......;)

Thing is that you cannot find any dataseets as for the main voltage control unit(VT1103) coz I could do a lot more than that......Confidential my a(h)ss........:slapass:

No datasheet, that sucks man :( Nice find from you. :toast:
So...the thing is u still have to get a decent card. If it cold bugs around -30°C u aint going to break any records :(
But hey, ATI cards can again be puched a little further now, that's always something good to hear :)
03-16-2006, 02:54 AM
Kinc

Quote:

Originally Posted by Overklokk

Dam i did the mod today and my card is now dead...... When i start it shoves 0,01v too the core ..... took of the mods but still the same :(

Somthing went wrong :(

MickeyMouse slave is also dead after the mod :(
03-16-2006, 02:56 AM
wittekakker

0,01V to the core, looks like the power circuit has had it. Or you pc is not booting.
03-16-2006, 03:08 AM
chefnr1

thats sucks Overklokk:( , wonder whats failure with youre mods
03-16-2006, 03:19 AM
persivore

I would guess that the problem is probably the ammount of heat which was used to solder to the Vgpu resistor. The resistor would be very easy to kill with too much heat, considering its size. I've done it myself, and its very easily done :(

Edit: Great work on the mods, Hipro :)
03-16-2006, 03:59 AM
blind_ripper

i hope thate the mod dos not kill more cards thate it helps to kille the cold bug :) , my is on is way to jort , hes gone mod it and thene il put it onder mach2 ;) cold with ccc whase -12°c
03-16-2006, 04:03 AM
wittekakker

Quote:

Originally Posted by persivore

I would guess that the problem is probably the ammount of heat which was used to solder to the Vgpu resistor. The resistor would be very easy to kill with too much heat, considering its size. I've done it myself, and its very easily done :(

Edit: Great work on the mods, Hipro :)

Could u resolve your problem by replacing it?
03-16-2006, 04:13 AM
s e t h

hmmm. maybe we just need a bit of bios editing then

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