i was thinking about doing the 3.3v vddr mod, i don't have a multimeter but its just soldering a wire right? i was wondering if it is safe to pump 3.3v into my ram 24/7, i know bh-5s can handle it but not sure about mine, tia
i was thinking about doing the 3.3v vddr mod, i don't have a multimeter but its just soldering a wire right? i was wondering if it is safe to pump 3.3v into my ram 24/7, i know bh-5s can handle it but not sure about mine, tia
Not for tccd. Above 1.75V you wont see any performance increase
Edit: I meant 2.75V....
Last edited by Dumo; 12-20-2004 at 01:08 PM.
Originally Posted by Dumo
Not for tccd. Above 1.75V you wont see any performance increase
I see a performance improvement with 2.85v. I need 2.85v for my pdp to be stable at 268HTT. I was going to use an OCZ booster but it doesn't work and I still haven't had chance to find out why or RMA.
I was told that pdp use the voltage loving variant of TCCD. I was going to give it 3.3v myself and find out, but I don't want to do the Vmod.
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bobmanfoo
Just cause it likes 2.85V doesn't mean it will like 3.3V... only way to find out is to try or to find somebody who already tried
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Mine is tccd 431 that ran fast at low voltage. I can do 295 with 2.65V
Do the mod and see how far you can go with cas 2. With my PDP I can do 220FSB 2-2-2 w/ 2.9v (my boards max) and 270FSB 2.5-3-3 w/ 2.7v. I'm sure I could go farther with cas 2 if I had more voltage. Go for the mod, TCCD is rated up to 3.6v, just make sure you have a fan blowing over your ram if you decide to go that high.
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rated up to 3.6v?????? whoa dude where did u get that from....
It's somewhere on Samsung's website. I've heard it mentioned many times on the forums though.
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i ran G-Skill's TCCD @ 3.28 (Abit AV8 BIOS) and got 2-3-3-8 into the 260's.
that seemd to be the "sweetspot" (more or less V = less stability @ 2-x-x-x)
used a Booster
they got HOT! (both RAM and Booster) hotter than with VX or BH-5's...plan on using a fan
i "maxed out" @ 3.45V (but not for long) ...didnt really help any
Last edited by Joe Camel; 12-20-2004 at 04:23 PM.
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have my open and close loop ready and will ill give it a go after i get some more AS5, damn a64s use so mush as5,
Hah, I picked some up at Microcenter yesterday for $7. Let us know how it goes.
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I read somewhere that TCCD likes voltage when running Cas2...
I tried it today in Memtest, and sure enough...
230 @7-3-3-2, 2.85v, less Voltage I got errors at 230
Funny thing is with cas2.5 I get the least errors(and highest fsb) when set to 2.5v
Weird
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lol, i might have run into you out there, just picked me up a tube earlier and the vmod was a success, results:
2.85v
215mhz 2-2-2-5
243mhz 2-3-3-5
260mhz 2.5-3-3-6
280mhz 2.5-4-4-8
3.3v
230mhz 2-2-2-5
255mhz 2-3-3-5
270mhz 2.5-3-3-6
285mhz 2.5-4-4-8
can't get 290 stable for the life of me, seems to have hit a wall, but good results none the less, the chips get pretty hot with 3.3v even 2.85v was hot, but not anything a 92mm sunon can't handle, off to mess with some more settings, i'll try lowering the vddimm to 2.5 and see if i can hit higher fsb
Last edited by bobmanfoo; 12-20-2004 at 10:54 PM.
Looks good, I'll probably bump up the voltage once I get the DFI. What's your system look like?
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hey bobmanfoo, what is this open and close loop???? plus give me a link to doing this mod yeah??? right now im running @ 280 2.5-4-4-11 @ 1.85 volts @ 1T. If i can pull this vdimm mod i can prolly take it to 290!!!! so help me help me help me help me...
i could enable/disable the mod by having a bridge between the connections, in my case i modded a pair of molex plugs
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can u post a pic or a link or something?
why so high voltage for tccd? this my tccd431 at 2.5-3-3-7 and 2.65V only
my pdp does react to voltage as well.
2.65-2.85v: 2-3-3-6 maxed out at 243
3v: 2-3-3-6 @ 252
maybe it can go higher wif a lil more voltage.
You are using half point multiplier so it's not really 1:1 @295. It's still very good though.
oh sorry, http://xtremesystems.org/forums/showthread.php?t=41350
A64 3200+ 2.65ghz | 2x512 OCZ VX 265mhz | Connect3D x850xt PE 680/650 | DFI NF4-Ultra
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