i've got 105 ohm for the GPU and 113 for the DDR
maybe my ram is undervolted a little by default?
is the R8 that changes? 105 gives 1.65 and 113 around 3.3v? :confused:
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i've got 105 ohm for the GPU and 113 for the DDR
maybe my ram is undervolted a little by default?
is the R8 that changes? 105 gives 1.65 and 113 around 3.3v? :confused:
Well it's been a while, but Imma finally get around to doing this volt mod :P I'll let everyone know what I get naturally. Should have results in under a week.
My XFX ti4200 arrives tomorow.. ;p
Zack, take a lot of pics and write a review man! :)
Btw.. what are good fixed values to the core & mem? for a watercooleD core and for a 85w tec ;p
my 64MB Leadtek GF4 Ti4200 TD at default voltage does 313/613 on my P4 1.8A on P4S333
I happend to grab one of these Abit Ti4200 64MB 4ns cards for the time being (killed my ti4600 and waitin for replacement). obvioulsy I had to test if its anygood ;)
stockOC => 307..310 core / 621 mem
vmodded (1.90V GPU, 3.93V mem) and CPU cooler on GPU and ramsinks on memchips it runs 3dmark at 333/702 (would probably run at 715 but w/ artifacts) ;)
over 700MHz for 4ns ram is pretty good result I think :D
http://service.madonion.com/compare?2k1=4269359
For everyday usage I lowered the GPU voltage to 1.75V and Vmem to 3.65V and its running at 320/650 now.
Quote:
Originally posted by macci
I happend to grab one of these Abit Ti4200 64MB 4ns cards for the time being (killed my ti4600 and waitin for replacement). obvioulsy I had to test if its anygood ;)
stockOC => 307..310 core / 621 mem
vmodded (1.90V GPU, 3.93V mem) and CPU cooler on GPU and ramsinks on memchips it runs 3dmark at 333/702 (would probably run at 715 but w/ artifacts) ;)
over 700MHz for 4ns ram is pretty good result I think :D
http://service.madonion.com/compare?2k1=4269359
For everyday usage I lowered the GPU voltage to 1.75V and Vmem to 3.65V and its running at 320/650 now.
Great macci ;)
could you mesaure the resistance of the pots on the two pots?
and please post some photo of the mod?
thank you ;);)
Im using 1kohm VRs for both GPU and MEM. That is pin 11-14 on SC11012
Vgpu:
1kohm => 1.75ish
350ohms => 1.9ish
Vmem 800ohms => 3.65ish
I'd take a pic if I had a digicamera in here.
Pics ;]
Ill vmod mine this week
she is doing 337/635
85w pelt on the core
macci, got a couple of questions for you.Quote:
Originally posted by macci
Im using 1kohm VRs for both GPU and MEM. That is pin 11-14 on SC11012
Vgpu:
1kohm => 1.75ish
350ohms => 1.9ish
Vmem 800ohms => 3.65ish
I'd take a pic if I had a digicamera in here.
1. Whats a safe voltage for the 4ns package memory? (i want to push it, but not push it so i kill it).
2. What cooling did you use on the memory?
3. Can you damage your GPU with 1.9v ?
Also, my leadtek does 351/657 stock, can i expect any sort of increase when i use a Vmod?
I have had my abit ti4200 now for about a week and a half and let me tell you i could not be happier with this card. My max overclock now is 327/662 looped 3dm2k1 20 times and no crash.
I am looking to do this voltmod as i believe i can get this card up to 350/700+ on air. Right now all i have done to the card is as3 on the core with stock hsf and memsinks pure copper home made my self that i took off my gf2ultra. Love this card.
Here is my compare on mado.
http://service.madonion.com/compare?2k1=4333893
I just ordered the Abit Ti4200 from Axiontech.com and hope to get a descent speed increase with it over my o\c'ed Ti200 GF3. About how many fps extra will I get in the avg game with this over my Ti200? Im mainly waiting for the Omen.
Thanks
Quote:
Originally posted by heilmery
I have had my abit ti4200 now for about a week and a half and let me tell you i could not be happier with this card. My max overclock now is 327/662 looped 3dm2k1 20 times and no crash.
I am looking to do this voltmod as i believe i can get this card up to 350/700+ on air. Right now all i have done to the card is as3 on the core with stock hsf and memsinks pure copper home made my self that i took off my gf2ultra. Love this card.
Here is my compare on mado.
http://service.madonion.com/compare?2k1=4333893
Nature first LOD4, Car LOD6, Drag&Lobby LOD3. These new dets let me overclock higher and give me the greatest results i have ever seen. Thanks nvidia.
how to have different lods in the test??
Go to "selected tests" and uncheck everythink exept Nature , then run benchmark with the LOD settings you like , then close the window which tells you that you don't have enough tests for result blablabla , and check the next game test with another LOD setting (of course uncheck Nature) run bench ... and s.o. ... when you have done all game test no matter in what order you'll get a score ...
Please.. i NEED pics..someone who did the vmod post pleaseeeeeee^
xfx ti4200 64mb 4ns
:D
Hi,
I got a PNY GF4 Ti4200 and was wondering if anyone knows a way to volt mod it?
The back side got 3 small chips:
1st.
P22SG
74ACT08
data sheet
2nd
TL431C
21M
A754
data sheet
3rd
51031
74AI
data sheet
I know I had an own thread for this, but it kinda died. So I decided to see if I would get more answers here
gooFly
just did the core vmod..
works fine... gonna do some real benchs this night.. now my ambient temps are not helping ;)
so far @350 1.86v
edit: update - 355 for nature and 350 for others
1.9v
http://www.overclockers.kit.net/15375.jpg
yeww :]
360 on the core now ;}
15439 http://service.madonion.com/compare?2k1=4420375
i need another 5k vr!! ahhh ;p
OK , I've made a summary pic which contains the VMods with the values which macci has for everyday use (what do you think about it) :
I've made a smaller version (125KB) ... :)
i used 2 5k..
one 5k vr for memory, other for gpu..
UaZa ,
What was your max memory o/c before and after the mod :) ???
Well, I just got my Leadtek Ti4200 A3-core MyVIVO 128Mb... 4ns chips on it... got me waterblock fitted & ramsinks...
Dunno what codes mean what on these buggers...
Ram is Samsung 205 TC40 (4ns assumption?)
Core is Q13278.1 0210A3
Have gone for the OCPC Atlantis Geforce4 Block as I need to do a review on it anyways, and just slapped on the Thermaltake Blue-SPikies for Ram cooling... am gonna seal em up and turn em into waterblocks when I get chance.... set it all up on a separate loop to my cpu.... sharing same 15-pint res, but using separate pump & radiator...
So, voltmods here we come!
Er... and forgot to max it out before puttin the blocks on so I have NO idea about it's stock scores... also, everyone's on about LOD3 - 7 etc, but all the software I've got doesn't give those figures... it goes from -0.3 to +0.3 or summat... what r ppl using to tweak these things!? Tried powerstrip and rivatuner but both give same LOD figures... am currently using Det40.71...
Hmm, I use RivaTuner 2 RC12 for tweaking and overclocking and got zero problems so far (with both - Det40.52 and Det40.71) :confused: ...
BTW what are the highest clocks that you manage to get from this Leadtek ? My Asus clocks only @ 317.3/621 watercooled+ramsinks, stock voltage .
well, well, well...
I think it is now necessary to summarize the findings of this fantastic thread...
I think everybody here is interested in Vmodding the ti4200, but the procedure is still not clear.
I'll try to summarize it and if I got it wrong or if my english is crap, please correct me! Bear also in mind that I don't know anything about electrical and electronic parts...
1) we all need to buy two 5K POT and some wire...
2a) the points to be used on the POT are the central one and one of the other two. we sold some wire on these 2 points.
2b) we should set them @ 5k using the voltmeter
3) we should take off the card from the PC
4) we should measure the values of the SC chips resistance using the voltmeter on pin 11 and ground
5) we should measure the voltages using the voltmeter on the "round things" reported in the pictures above
6) we should solder the wires of the POT to pin 11 and ground on each of the 2 chips.
7) we measure again the voltage.
8) we go up with the voltage using the pot till when we are satisfied.
now, it is VERY inportant, for a complete ignorant like me, to know if each measurement can be done with the pc on or it should be off....
please correct me if i am wrong!
hehe. i just upped the Vmem too fast!
i went up in little steps, but the Vmem i measured stayed at 3,45V all the time!? probably i measured at the wrong cap?
now my card gives me weird colored blocks in DOS and windows - so take care! :D
now my questions:
1. lardarse, could u plz post your pics of the RIGHT caps where to measure the Vgpu and Vmem? your links are somewhat broken.
2. where did u connect the ground side of the VR to? i connected them both to the caps where i measured the 1.66V Vgpu. was that wrong?
thx!
yes..this is the right one.
Some pics for you goons..... :P two 5ks, set @ (20x124 - top left, and 20x104 - top right). Hope this clears things up.
http://www.maximumoc.com/img/hardwar...d/overview.jpg
http://www.maximumoc.com/img/hardwar...right_chip.jpg
http://www.maximumoc.com/img/hardwar...p_top_left.jpg
http://www.maximumoc.com/img/hardwar..._top_right.jpg
hehe :rolleyes:
thx, sysfailur! now i know where to measure Vmem ;)
But i have to wait for my 4200 to return from RMA (if so!)... :D
is it the same for every 4200?? I'm using a MSI 4200. Which one of your guides should i follow? how to you measure the volt? Thank you.
what is your chip?Quote:
Originally posted by aarion
is it the same for every 4200?? I'm using a MSI 4200. Which one of your guides should i follow? how to you measure the volt? Thank you.
if its SC2602S & SC1102CS thats ok
Well my "stability testing" included running game 4, as it's the longest 3dmark bench.
I just put windows in my comp, and everything is totally fresh. After much voltage tweaking I've come to 325/695 as my highest bench-worthy OC. 330/700 didn't work... but I think it's just the core not wanting to go higher. Looks like I got a pretty shafty core :\ The voltages were 1.85v on the cpu, and the ram was 3.7v.
For now, that's as high as I'm going to go. I'm just pleased everything works! I will do more thorough benching with it when it's colder in this room and I have a fan blowing on the ramsinks. Temperature wise, the ramsinks were @ 30C, and the back of the gpu was @ 51C. Those were right after the bench was completed. But hey, 695 is pretty smokin aint it? :P
Quote:
Originally posted by aarion
is it the same for every 4200?? I'm using a MSI 4200. Which one of your guides should i follow? how to you measure the volt? Thank you.
The two wires that come off, where I have them labeled, get a multimeter and hook it up to the wire leads. Put it on V ::: 20.
sorry, i'm really noob on this v-mod thing. there are so many wires i also don't know which is which. Pls explain, thank you.
and can i use a 10k variable resister?
aarion, yes u can. just be careful to not turn the resistance down too quickly!
alright, i think i'll go back and try......
sorry, but i don't understand one thing... can i get the vgpu and vmem value with the videocard off from pc or it must be while pc working???
and in this case, can someone tell me how i must set the resistor for gpu & mem to get 1.85 & 3.5? or a formula to calculate it without measure, tnx! :)
PS: my abit do 355/670 with a wb gpu 3° water and no mods yet.. trying to get at least 370/700 with 80w pelt and 3° water & voltmod, and it's an A2 core!!!! :eek:
Dirty_Punk,
I can answer the first part of your question thanks to DDTUNG.
Yes, the card needs to be in the PC and the PC needs to be running to measure the voltages. Just be careful when probing ur meter around in your case while the PC is runnin ;)
i have measured them, it's easyer than i'd thinked :D
but there is a little problem... if i'm not vrong the default voltages is ~ 1.65/2.8 for gpu/mem... i have 1.65/3.31!!!! my mem is overvolted by defautl?!?!?!? :confused:
no 3.31 è corretto
pfiuu!! :D :DQuote:
Originally posted by spaceboy
no 3.31 è corretto
so from 3.31 to 3.5-6 is the max for safe voltage??? isn't it a low overvolt?!?
and the gpu, max to 1.9?? with 80w pelt and 3° water can i raise it to 2v?? (only for test howether ;) )
I've done 1.92 on the gpu w/ aircooling, and 3.93~ on the ram w/ air (on 4ns ram).Quote:
Originally posted by Dirty_Punk
pfiuu!! :D :D
so from 3.31 to 3.5-6 is the max for safe voltage??? isn't it a low overvolt?!?
and the gpu, max to 1.9?? with 80w pelt and 3° water can i raise it to 2v?? (only for test howether ;) )
This should clear everything up. (I'm going to add this image to my first post as well so people won't have to search through the thread.)Quote:
Originally posted by aarion
sorry, i'm really noob on this v-mod thing. there are so many wires i also don't know which is which. Pls explain, thank you.
http://www.maximumoc.com/img/hardwar...t_mod_info.jpg
i got one big problem, my ram are damn hot. Just normal o/c to 600. Even with ramsink. The ramsink is hot to be touch. Can someone help me here?
i got one big problem, my ram are damn hot. Just normal o/c to 600. Even with ramsink. The ramsink is hot to be touch. Can someone help me here?
So is there any way to mod these cards so they take power from a different source other than the AGP port of the motherboard? Seems like they (or even the rest of the motherboard components) could be more stable... well in the depth of abyss I like to think is my mind it sounds like it would be more stable.
3DFX did this on their Voodoo5 (5500 model anyway) series with a connector on the card to connect one of the 4-pin molex connectors from the PSU to it. Not to mention what would have been the Voodoo 6000 model if they stayed in business was supposed to have its own external power supply to plug directly into video card.
I need to go to college and take some electronic engineering courses I think... I'm really interested in things like this, but find roadblocks with time management. All my time just goes to surfing forumns at work, or playing games at home. Just no time to teach myself these things.
:D
Well, I'm sure someone, like DDTUNG will correc me if I'm wrong, but there is plenty of voltage going through the agp port. When you change the resistances between two things you just allow more voltage of the voltage supplied to be used.Quote:
Originally posted by AeroBrain
So is there any way to mod these cards so they take power from a different source other than the AGP port of the motherboard? Seems like they (or even the rest of the motherboard components) could be more stable... well in the depth of abyss I like to think is my mind it sounds like it would be more stable.
3DFX did this on their Voodoo5 (5500 model anyway) series with a connector on the card to connect one of the 4-pin molex connectors from the PSU to it. Not to mention what would have been the Voodoo 6000 model if they stayed in business was supposed to have its own external power supply to plug directly into video card.
I need to go to college and take some electronic engineering courses I think... I'm really interested in things like this, but find roadblocks with time management. All my time just goes to surfing forumns at work, or playing games at home. Just no time to teach myself these things.
:D
And aarion, I recommend you get yourself some fan cooling on your ramsinks... perhaps use largers ramsinks as well! My ramsinks rarely get hot at all... even @ 733mhz @ close to 4.0v. ;)
can you read your resistances values? :)Quote:
Originally posted by sysfailur
I've done 1.92 on the gpu w/ aircooling, and 3.93~ on the ram w/ air (on 4ns ram).
Not w/o disconnecting the solders... no :(Quote:
Originally posted by Dirty_Punk
can you read your resistances values? :)
Hey great thread btw. I finaly got my gf4 4200. Leadtek Winfast 64mb oem (just old GF3 reference cooler on) . Guess what I'll be doing next :D. I just measured the default voltages 1.65 and 3.25V card overclock to 325/610 without artifact.
Next I slap on my GF4 waterblock you can see in liquid cooling and then lets see where I can take it.
Why couldn't you just measure the resistance across the VR, sys? :)Quote:
Originally posted by sysfailur
Not w/o disconnecting the solders... no :(
i can't find any where that they selll such a big ramsink like yours.
aarion,
I believe he cut those ramsinks from some sort of CPU heatsink. Old CPU heatsinks make great ramsinks if you own a hacksaw :D
sysfailur, do u have Heatsinks on your RAMs? there not on the pics!
Goldlocke,
You can see them on these 2 pics :)
http://www.maximumoc.com/img/hardwar...s/top_sho1.jpg
http://www.maximumoc.com/img/hardwar.../side_shot.jpg
the thing is how you stick it onto the ram??????
You've basically got 2 options.
1) Frag tape which is OK at passing the heat from the chip to the heatsink and is pretty easily removed if need be. I'm not sure where to buy this stuff but I know it came along w/ my TT ramsinks).
2) Thermal epoxy which is better than the tape for conducting heat but can be a VERY permanent solution if you don't mix some compound with it. The Arctic Alumina Epoxy(don't use the Arctic Silver Epoxy because it can conduct electricity which is bad for all those pins on the ram chips) can be found just about anywhere selling PC parts.
Thanks for linking Goldlocke ;) I would NOT use fragtape though. That stuff doesn't stick at all, well at least what I've been using doesn't and it's a pain to get on as well. If you don't want a permanent solution just use small globs of AS Epoxy, instead of a whole bunch.Quote:
Originally posted by [N8]
You've basically got 2 options.
1) Frag tape which is OK at passing the heat from the chip to the heatsink and is pretty easily removed if need be. I'm not sure where to buy this stuff but I know it came along w/ my TT ramsinks).
2) Thermal epoxy which is better than the tape for conducting heat but can be a VERY permanent solution if you don't mix some compound with it. The Arctic Alumina Epoxy(don't use the Arctic Silver Epoxy because it can conduct electricity which is bad for all those pins on the ram chips) can be found just about anywhere selling PC parts.
Hmm,...I got mine right now at 320/685MHz stable.
VGPU is 1,77V
VMem is 3,93V
GPU acts strange: doesn't want more than 1,80V regardless of the MHz. Can't get her over 320MHz stable in 3DMark. Probably cooling is not enough (waterblock by aquacomputer.de).
@ sysfailur and DDTung: thx for your research! But, sysfailur, is there space between your DIMM and that huge Ramsinks on your vidcard? (I had to use a flat heatsink on the upper rightmost Chip, otherwise would have blocked DIMM1&2).
YEAH! - BABY - YEAH! ;)
695MHz DDR on RAMs now :D . without artefacts in UT2k3 and 3DMark.
still my GPU sucks! any suggestions?
goldlocke, can i have some pic on your card? one thing i found out, beside the rams there this small chips that are higher than the ram which is blocking when i'm trying to put the ramsink on to it.
You're welcome! (Slow it may have been on my part though :P)Quote:
Originally posted by Goldlocke
Hmm,...I got mine right now at 320/685MHz stable.
VGPU is 1,77V
VMem is 3,93V
GPU acts strange: doesn't want more than 1,80V regardless of the MHz. Can't get her over 320MHz stable in 3DMark. Probably cooling is not enough (waterblock by aquacomputer.de).
@ sysfailur and DDTung: thx for your research! But, sysfailur, is there space between your DIMM and that huge Ramsinks on your vidcard? (I had to use a flat heatsink on the upper rightmost Chip, otherwise would have blocked DIMM1&2).
And to answer your question, IT BARELY FITS!! hehe - It's a very very tight fit on my 8k5a3+ and on my IT7 I just miss the last Dimm slot.
Yep, thanks for the tech help DDTUNG, and all u other guys that had the balls to try it b4 I did. It took me a while to convince myself that I wasn't gonna fry my card but I tried it last night with some clips rather than soldering & was successful.
Ended up @ 357/695 w/ no artifacting and stable thru multiple passes of 3DMark. This is with custom air-cooling on the GPU and no ramsinks...3.9v to the memory and it never even got over 27c - measured w/ a laser thermometer pointed on the chips. I'm wondering just how much voltage this memory could handle, hehe...cuz its definitely not getting hot. Was afraid to go any further :)
My core already clocked well(335 b4 volt mod) so I was actually kinda surprised it only went to 357MHz @ 1.9v. I think with 2v or more it would do 365ish but I'm afraid to send that much to it. Highest temp measured from the back side of the GPU was 43c.
I have a MSI 128MB GeForce4 Ti4200 card and I al;ready soldered the wires to the chips and I'm now ready to attach the vr's. I have watercooling on my GPU (no peltier) and RAMsinks on the 4ns Samsung RAM chips... any idea what the maximum voltage would be without frying my chips? I don't have those handy temp measurement tools and have to do it with a diode and I don't know how accurate they are.
Well, if you've got watercooling on ur GPU then I'd guess its running cooler than mine under load...and you've got ramsinks on ur memory while I don't. I'm assuming the Samsung's stock voltage is similar to the Hynix's(3.31v) and if so I don't see why your card couldn't handle 1.9v/3.9v as mine did. Mind you, the cards ARE different & I don't want you to fry ur card so go slowly and in steps...if anything gets weird, back off.
anyone of you can read the resistence value for GPU 1.9-1.95V & DDR 3.9V???
I guess that someone didn't read the whole thread ;) !
Here it is (page 5) :
http://www.xtremesystems.org/forums/...9565#post29565
Quote:
posted by macci
Im using 1kohm VRs for both GPU and MEM. That is pin 11-14 on SC11012
Vgpu:
1kohm => 1.75ish
350ohms => 1.9ish
Vmem 800ohms => 3.65ish
@ aarion: right you are about the capacitors near the RAMchips. That 2 Capacitors beside each RAMchip is indeed ~ half an millimeter higher than the RAMchip. :( I had to cut my heatsinks to fit! :(
2nd for aarion...
3rd for aarion...
i have done a different mod, with pin11-VRs 5k-ground, and it has a different value ;)Quote:
Originally posted by X Men SS
I guess that someone didn't read the whole thread ;) !
Here it is (page 5) :
http://www.xtremesystems.org/forums/...9565#post29565
please, can anyone check the resistance value to obtain 1.9 & 3.9 or 1.95 & 4v
I've done the v-mod now
The card is a Gainward TI4200 (not golden sample) with 64mb of 3,6ns EtronTech memory
The thing is that increasing the v-mem doesn't help at all, I've been up to 3,8 volts (default is 3,5 on this one) and I get just as much artefacts as without the v-mod... (621,5 is fine, 634,5 gives artefacts...)
I have put ramsinks on the card, aluminium ones from Thermaltake
UPDATE: Putting a big 120mm YS-Tech fan blowing some 130cfm of air onto the card seems to help, guess the ram was getting too hot with the increased voltage...
However I still can't go high, I can get 634,5 artefact free now but when I bump up to 650 I get artefacts galore all over the screen...
And funilly enough increasing the voltage above 3,60v doesn't seem to do anything bar give more artefacts...
--
The core does show some improvments however, I haven't pushed it but now that's it lapped (which did 8,5mhz in itself) i can reach 340mhz @ 1,78v (haven't tried higher) with stock air cooling (before was 328,5)
But still, is it really possible that increasing the v-mem doesn't yield any benefit at all?
http://hem.spray.se/hanzzzon/Pict0238.jpg
*don't mind that circuit on the right; it's a fan controller...
I've always said I thought something was wrong with the memory on those Gainwards. I could never get mine over 580MHz(had 2 of these cards) @ stock voltage w/o major artifacting.
goldlocke, thank for the pic. I actually want the pic of your card with the ramsink on. hehehe, sorry for the misunderstanding, thanks anyway for the pics.
One thing i realise is the ram is damn hot.
Ok, so you guys say this memory suck, ok, that's fine...
From what I've heard Hynix memory is one of the best, and after reading this thread I've seen that the Abit Siluro TI4200 gets some insane 700mhz+ overclocks.
What I'd like to know is if there is any difference with the bare 64MB card and the 64MB with OTES cooling. (Bar the cooling of course.)
And also the same board but with 128MB of memory. Do they all overclock to about the same speed or is one of them a "black sheep"?
oh, and is there perhaps another card you guys swear by, if so, which one?
And lastly, what cooling do you guys employ for the memory bar the heatsinks? Do you have a fan infront of it blowing cool air all over it?
The reason I'm asking is that my computer is watercooled, including the GFX cards GPU, but this doesn't leave much cooling for the RAM... I've only got very quiet Pabst fans in my case...
tryed today a Abit Ti4200 with 4ns Hynix memory...
can do 355/660 w/o mod and w/o artifact :) :cool:
yes, with watercooling and 3° water, but are very hingt frequencies :)
next week voltmod & peltier :D
PS: with stock cooling can do 335/640 ;) w/o any artifact, 650 with minor artifact
Which model was it? (64mb, 64mb OTES or 128mb)
Mine is the orignal 64MB, 4ns hynix. I got close to 700MHz w/ no ramsinks.
The OTES one uses 3.6ns hynix just like the MSI card but the 3.6ns chips don't seem to OC any further than the 4ns...Goldlocke's is a pretty good example of that.
And the 128MB will prolly have 4ns samsung, which don't seem to be oc'n as well as the 4ns hynix...so if i were to buy another 4200 it would definitely be one with the 3.6 or 4 ns hynix chips on it as they seem to both OC well...but I wouldn't pay no premium for the 3.6ns if u know what i mean :D
Ok, thanks for the advice N8!
Now I just gotta sell this Gainward ;)
The OTES does not have the capacitor where normall you'd monitor memory, they've moved it I geuss. So that's one difference ;)Quote:
Originally posted by Per Hansson
Which model was it? (64mb, 64mb OTES or 128mb)
standard Abit TI4200 64MB ;)Quote:
Originally posted by Per Hansson
Which model was it? (64mb, 64mb OTES or 128mb)
is it ok to vmod the ram and not use any ramsink on it?
If you are careful and not apply to much voltage and also keep an eye on how hot the RAM gets...
I run my 4ns hynix @ 3.9v & 695MHz w/ no ramsinks...I've measured the chip temps @ under 80F which is rather cool. While sysfailur says his get rather hot(and he has ramsinks). I think the best way to tell is to feel the chips with ur fingers while upping the voltage...mine were barely warm to the touch. Not sure why the difference, as we both have the same card.
can you measuer resistace for DDR overvolt?? tnx ;)Quote:
Originally posted by [N8]
I run my 4ns hynix @ 3.9v & 695MHz w/ no ramsinks...I've measured the chip temps @ under 80F which is rather cool. While sysfailur says his get rather hot(and he has ramsinks). I think the best way to tell is to feel the chips with ur fingers while upping the voltage...mine were barely warm to the touch. Not sure why the difference, as we both have the same card.
I will try to do that for ya tonight...what voltage do you want, 3.9v?
if you can 1.9-1.95v for gpu & 3.9 for ddr :)
my ram is damn hot without the ramsink. I have check the voltage, the gpu is running 1.7v and the mem is 3.3v. So how much can i got? 1.9v and 3.9v? with a 5k variable resister?
You have the ability to go higher, but I would say if you're aircooling 1.9 and 3.8 or 3.9 would be safe.Quote:
Originally posted by aarion
my ram is damn hot without the ramsink. I have check the voltage, the gpu is running 1.7v and the mem is 3.3v. So how much can i got? 1.9v and 3.9v? with a 5k variable resister?
a few times ago i'd burned my ti4200 because i'd wrong regulated the 5k variable resistance for vmem...Quote:
Originally posted by sysfailur
You have the ability to go higher, but I would say if you're aircooling 1.9 and 3.8 or 3.9 would be safe.
i don't know how much voltages had used to burn ddr (the artifacts remain also with 3.3v ddr.. -> burned ti4200 :( ), but from your knoweldege, what is max VDDR before burning all?? and VGPU??
if i set 2v/4v can i burn all or this are a "safe" voltages for extreme test (with pelt&WB & selfmade memcooler by 2 socket 7 cooler)??
tnx
Yeah I geuss I should've clarified..... my definition of "safe" is that it runs hehe..... I did have artifacts all over the place... So ehh, maybe 3.75 for mem and 1.80 for gpu would be ACTUALLY safe ;)Quote:
Originally posted by Dirty_Punk
a few times ago i'd burned my ti4200 because i'd wrong regulated the 5k variable resistance for vmem...
i don't know how much voltages had used to burn ddr (the artifacts remain also with 3.3v ddr.. -> burned ti4200 :( ), but from your knoweldege, what is max VDDR before burning all?? and VGPU??
if i set 2v/4v can i burn all or this are a "safe" voltages for extreme test (with pelt&WB & selfmade memcooler by 2 socket 7 cooler)??
tnx
so if i try 4v mem or 2v gpu i have a good probability to burn it?? (i'm watercooled with 3° water & probably this week peltierized)
the problem is: hot to find the max voltage support without burn it?? does it crash in 3dmark like, or it burn directly?? :(
i think 1.9 & 3.9 will be safe for only test time, not??? could i'd burned my old ti4200 with 3.8v?? or it would be probably with 4.1??
I tried both 2v & 4v w/o burnin anything...but it didn't gain me anything either so I turned it back to 1.9/3.9. Yours may be different, so don't take my word for it. ;)
BTW, didn't get a chance to measure those resistances last night...will try to tonight :)
Also, I do not get artifacts @ 3.9v...and I have no ramsinks...but for some reason my memory chips are rather cool compared to others that I'm hearing.
i need the resistances to take a similar resistance to put in serial with 5komhz VRs to make a overvolt protection ;)
i don't want to burn another ti4200 :( :mad:
tnx!
overvolt protection? use a 10 or 20 turn pot and a slow hand...there's ur overvolt protection :p
Yeah I have 20 turn pots... You can do a full 360 and sometimes it won't even move up .01v.Quote:
Originally posted by [N8]
overvolt protection? use a 10 or 20 turn pot and a slow hand...there's ur overvolt protection :p