in mx460 vmem mod gives you ~3mhz? i don't have it on my card now.
NiLUS, can you give me some numbers.. i mean gpu mhz with and without TEC?
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in mx460 vmem mod gives you ~3mhz? i don't have it on my card now.
NiLUS, can you give me some numbers.. i mean gpu mhz with and without TEC?
Mine did 408 / 712 max... but for 408 MHz on GPU i need 20°C H2O or less. max 29°C it runs @ 406 MHz.
Unfortunatly my 440 is dead.
I didn't try it without TEC. After a few days when i did the mod I installed TEC on GPU. By the way there is not a lot of difference using or not using TEC. I used a 100w, and @ 2v on GPU, when running 3D Mark, in Lobby benchs cold plate temperature is not cold... You need at least a 150w to run 3d mark completly. I think that with a 100w the difference is about less than 5 MHz.
I only remember that without any mod and stock cooling it runs @ 350/660 more or less...
I didn't mean I can't rise the voltage :-). The voltage is raising, memory is producing massive amounts of head but I can't overclock more.Quote:
Originally posted by NiLUS
Where do you read vmem? Use the capacitor i told you.
That is no good news :(. I am about to use 86W TEC but now I think it's pointless... Damn.Quote:
Originally posted by NiLUS
Mine did 408 / 712 max... but for 408 MHz on GPU i need 20°C H2O or less. max 29°C it runs @ 406 MHz.
Unfortunatly my 440 is dead.
I didn't try it without TEC. After a few days when i did the mod I installed TEC on GPU. By the way there is not a lot of difference using or not using TEC. I used a 100w, and @ 2v on GPU, when running 3D Mark, in Lobby benchs cold plate temperature is not cold... You need at least a 150w to run 3d mark completly. I think that with a 100w the difference is about less than 5 MHz.
I only remember that without any mod and stock cooling it runs @ 350/660 more or less...
86W of electric power o thermic power?
what will u use over the hot side of the TEC ? WB, i hope... BTW as coldplate use a 5mm cu (i used 4mm al cos it was the only i had at that moment) , now i did some tests and i saw that it is the best to use.
89W is it's thermal power. (86W was a mistake of mine)
I've got 89W TEC that has this 89Watts on 15,4V :-). I've put it on 12V so it's effectivness will fall down a bit.
And ofc. i'm gonna cool with with a water block :-).
So... i think it's enough...
i used a 100w electrical power that is 8.5A * 12 V
If a 226W is 375W of electrical power @ 15v it means that the efficiency is about 60%, then the TEC i used on the GPU could be 60w thermic power... yours is best than mine so it could be enough.
Well yes but... it has 89W while beeing plugged into a source that gives 15,4V and I only have 12V power line in my PSU ;-). I measured how many ampers it's eating and the result is not very positive ;-) (it's because TEC don't have linear resistance :/). I've got 6,2A@12V which gives me 75W of electric power consumed. The olny good news is that when lowering the voltage the gap between thermal and electrical power get's smaller and smaller, and there's even a moment when the thermal power is above electrical :-). We'll see... if it's now enough. If not - I'll build a dedicated power suply.
Is the best thing to do. I did with a 0,5 kW @ 15v that is enough for my pelts.
Anyway, tec's resistance should be:
V/I
so, with a 226/375 it could be
15/25 = 0.6
then if i use 12v i must have 20A and then 240W electric that is about 150W thermic. Do this calcs with ur values :)
AFAIK tec's resistance is non-linear so V/I is useless.Quote:
Originally posted by NiLUS
Is the best thing to do. I did with a 0,5 kW @ 15v that is enough for my pelts.
Anyway, tec's resistance should be:
V/I
Are you sure? I knew it was....Quote:
Originally posted by cahe
AFAIK tec's resistance is non-linear so V/I is useless.
Meaby it isn't true for each.Quote:
Originally posted by NiLUS
Are you sure? I knew it was....
I have ABIT siluro geforce4 mx460 vivo 64mb ddr
Do you know any mods for this Vga?
Post high resolution pictures of your card if you can. Your card look similar to gainward?
I haven't have a photo in this moment,the pcb is differentQuote:
Originally posted by RaVeN155
Post high resolution pictures of your card if you can. Your card look similar to gainward?
It uses the TI4400 PCB and runs at the TI4400 stock speeds. Its basicly a TI4400 IIRC.
EDIT: oops, I was wrong, Don't try to mod it like a TI4400!
hmm so mod will be propably similar to ti4400, what voltage chip that it got @stock?
can you write numbers of this small chip? (upper right "angle?")
And numbers of other chips on back of your card :)
voltage regulators are probably in the back of the card...
http://www.hoover.altervista.org/Abit5.JPG
i write after the acronyms of the chip
With the output voltage capable by the IRU3004, it could control Vgpu, or Vddr, or both.
The IRU3004 could also be playing a hand in regulation of the other components you listed.
You need to do some connectivity tests between the chips you pointed out (1, 2, and 4) to see if they are connected to any pins on #3.
Also, see what chips are directly connected to the voltage read points on the card.
Someone have some idea for vddq mod for mx460 gainward (same pcb)?
What you think about make additionally power connector (like in radeon 9800/x800) - it should take more stable voltage :)
Sory for my english :rolleyes:
Did'nt notice this thread before now :( Looks like a little mx440 club. I have an Gainward Golden Sample MX440 64mb my self. Was working on 10K. Got it.