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How do I change my CPU's Voltage?
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Senior Member
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17. January 2005 @ 17:12 _ Link to this message    Send private message to this user   
Hi,

I was wondering how to change my computer's voltage.

I have an ECS N2U400-A Ultra 400 Nforce2 Motherboard with an AMD Athlon XP 2700+

I have checked in the BIOS and it does not give me an option to change the voltage. It only shows it.

If you have any suggestions/programs to change the voltage, can you please post them here?

Thx!

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
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AfterDawn Addict
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17. January 2005 @ 19:32 _ Link to this message    Send private message to this user   
I'm not entirely sure, and it may depend on your motherboard, but I don't think you can change the voltage of your CPU. I think that's hardwired into your board. Why do you need to change it? If you have the right CPU for your board you shouldn't need to change the voltage.

"I have no particular talent. I am merely inquisitive" - Albert Einstein

For the best quality mp3s use EAC (exact audio copy) to rip your audio CDs and LAME to encode them. Follow this guide:
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Senior Member
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17. January 2005 @ 20:07 _ Link to this message    Send private message to this user   
i mean not the cpu, but the motherboard's voltage (so i can overclock and so my computer can handle the overclock. I had problems overclocking in the past, so someone suggested chacnging the voltage)

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Divinus
Suspended due to non-functional email address
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17. January 2005 @ 21:01 _ Link to this message    Send private message to this user   
Check to see if the same place that displays the voltage in your BIOS has another settings that says something like "enable user settings" or something similar. My voltage and cpu settings are darked out and unchangeable when it is set to use the "default" or "best" settings. I have to change it to "user".

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |

This message has been edited since posting. Last time this message was edited on 17. January 2005 @ 21:02

indienemo
Account closed as per user's own request
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17. January 2005 @ 23:24 _ Link to this message    Send private message to this user   
I use abit uguru program because I have an abit motherboard however you may be able to use the software overclocks on that on a none abit mobo you could try it, youve got nowt to lose.




"Life is like a box of chocolates, whenever it comes to me all that is left is toffee logs" - Me.
------------------------------------------------------
PC: Athlon 64 X2 4200+ @ 2.4Ghz, 2GB DDR2, X850 PE GFX.
GC: Viper GC w. Cobra bios 1.2
X360: Kreon 1.0 Drive, Softmodded console

AfterDawn Addict
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18. January 2005 @ 14:42 _ Link to this message    Send private message to this user   
On mine, you don't change the actual voltage. You change the multiplier. I use the program (Fuzzy Logic) that came with my MSI mobo.

"I have no particular talent. I am merely inquisitive" - Albert Einstein

For the best quality mp3s use EAC (exact audio copy) to rip your audio CDs and LAME to encode them. Follow this guide:
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Senior Member
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18. January 2005 @ 15:44 _ Link to this message    Send private message to this user   
I can overclock (change the FSB) my CPU and memory directly from the BIOS. Its the voltage I cant chenge (there isnt even a "user" option and all of the voltage stuff is grayed out).

If anyone has any suggestions, please post!

Thx!

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
ddp
Moderator
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18. January 2005 @ 17:10 _ Link to this message    Send private message to this user   
did you check for bios updates???
Divinus
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18. January 2005 @ 17:21 _ Link to this message    Send private message to this user   
I've never seen a mobo that new not have a voltage uping option. Unless that mobo is extremely not overclocker friendly.

I almost hate to ask but have you looked in the manual?

Also, as ddp suggested, it might be available with a later BIOS update.

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |
Senior Member
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18. January 2005 @ 17:33 _ Link to this message    Send private message to this user   
I'm using an ECS Elitegroup N2U400-A Ultra 400 Nforce 2 mobo and does not have an option to increase the voltage

I tried using Nvidia System Utility but it says "Cannot find nvoclock.sys"

I'm all out of ideas here and I cant find any BIOS updates on ECS's website, but i'll check again

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Divinus
Suspended due to non-functional email address
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18. January 2005 @ 17:45 _ Link to this message    Send private message to this user   
Ok, I looked around on some other forums I frequent and that board does not support vcore or vdimm modifying.

From the post I read, people were using a wire trick to get unlocked barton's to up to 1.85V.

Here's the thread.

http://www.ocforums.com/showthread.php?threadid=254002

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |
Senior Member
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18. January 2005 @ 17:48 _ Link to this message    Send private message to this user   
nvm,

I got another tool called H Monitor which can change the voltage !!!!!! :-)

Now I have a question...How much should I increase the voltage by?

I'm increasing in 0.05 increments. Is that too low or too high?

Thanks for the help!

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Divinus
Suspended due to non-functional email address
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18. January 2005 @ 19:21 _ Link to this message    Send private message to this user   
I'm not really sure how this thing works. Does it change the voltage and you change your FSB settings while in windows?

Or, do you set the vcore and then reboot and the BIOS accepts this as the vcore. If it doesn't set the BIOS' vcore then you'd have to oc in windows, obviously if you changed your FSB to a high setting and rebooted it wouldn't work because the vcore isn't set in the BIOS.

If it does save the vcore and set it with the BIOS as well, then I'd up it by .25 for every 10MHz or so you go up in the FSB.

I'd honestly just leave it be until you can't get into windows or can't post, and if you can't get into windows then I'd up it by .25 slowly. No Post and I'd up it by .5 Be careful not to push it too hard. Watch your temps! As you raise the vcore, so the temps will raise to.

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |
Senior Member
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18. January 2005 @ 19:26 _ Link to this message    Send private message to this user   
OK, here are my results so far:

without changing the Vcore I raised my FSB from 166 to 173 and was still stable to get a grand total speed of about 2.3 GHz

after changing the Vcore, nothing happened in the BIOS and it still stayed the same (it isnt changing at all). So I try increasing the FSB anyways. I increase from 173 to 175 and it gets unstable and then a BSOD (Blue Screen of Death - just making sure :-).

Then I try Ocing my memory for fun and then the PC doesnt boot. I reset the CMOS and now am back to 166 FSB. I could change it to 173 FSB and still be stable, but i want to try OCing more. I'll try and increase the Vcore by .5 and see what happens.

Thx!

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Senior Member
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18. January 2005 @ 19:41 _ Link to this message    Send private message to this user   
i found out that h sensor doesnt increase the vcore, the tab for increasing is just to set the normal values for it to monitor the values.

That was stupid.

Have any more ideas on how to change the vcore?

Thx!

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
indienemo
Account closed as per user's own request
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19. January 2005 @ 03:36 _ Link to this message    Send private message to this user   
I hate to sound condescending but are you using either a "Dell/Time/Tiny/PAckard Bell" or any other pre made apckage sytstem? They often are shipping without any overclocdking options so that users are forced to upgrade every few years....




"Life is like a box of chocolates, whenever it comes to me all that is left is toffee logs" - Me.
------------------------------------------------------
PC: Athlon 64 X2 4200+ @ 2.4Ghz, 2GB DDR2, X850 PE GFX.
GC: Viper GC w. Cobra bios 1.2
X360: Kreon 1.0 Drive, Softmodded console

ddp
Moderator
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19. January 2005 @ 03:52 _ Link to this message    Send private message to this user   
thats why i don't endorse the name brand computers because of lack of upgradeability
Divinus
Suspended due to non-functional email address
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19. January 2005 @ 09:44 _ Link to this message    Send private message to this user   
Agreed, ddp, and indienemo. The only time i'd recommend a brand name computer is for someone who is extreme computer illiterate and will never do any kinds of modifications to it. And that's just because sometimes they can get a good warranty for it. People like that are more likely to break something and having a comp from a brand name, they don't have to worry about much but shipping it off and waiting for it to come back.

Albeit, I had a bad run in with Dell Tech support once. My Aunt's room mate had a dell that was about a year old. She was moving out and her dumb ass didn't unscrew the video card cable from the board. Instead, she jerked it out and ripped the whole damn video card socket off the board. The computer did function, sort of. It turned on and off, but I could never get it to give a video signal. Tried putting in a PCI card but I'm not sure if it was just bad or the comp didn't auto-switch to the PCI card. Who knows... anyway, this happened about 2 months before the warranty was up. She called Dell about it and they're the ones who told her to try a PCI video card in it and see. They beat around the bush not returning her calls and when they did, telling her we were doing things wrong, etc... They didn't want to take the computer back at all. Kept trying dumb ass work-around methods to get it working. Eventually, the two months was over and the VERY next time she called Dell to ask for some more help, they told her that her warranty was up and they couldn't help her anymore. What a load of shit. I've never seen such bad customer service in my entire life, with any company I've had to deal with.

About the original board, all he has left is the wire mod trick. I think it gets the vcore up to 1.85V but then again that's going to make it pretty damn hot. 1.85V even sends my little mobile into the high 40°C and I have an slk900a and an 80mm tornado.

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |

This message has been edited since posting. Last time this message was edited on 19. January 2005 @ 09:46

Senior Member
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19. January 2005 @ 14:39 _ Link to this message    Send private message to this user   
nope, its not any Dell package or anything.

Its from ECS Elitegroup and it has overclocking options but just not an option to change the voltage...

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Senior Member
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20. January 2005 @ 14:53 _ Link to this message    Send private message to this user   
so anyone?

I got it to Overclock to a 3200+ (2.21 GHz) and I got the memory to Overclock to PC 3200

I'll see how much firther I can go...

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Divinus
Suspended due to non-functional email address
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20. January 2005 @ 18:48 _ Link to this message    Send private message to this user   
You're not going to be able to get very high on stock voltage. You can go as high as you want until your comp starts crashing programs randomly, won't boot into windows, or won't POST at all.

Being able to up the vcore is an absolute necessity. What good is forcing the processor to run faster if you don't supply it with enough juice to get the job done?

You should check out the wire mods unless you're a bit hesitant to do that kind of thing (which I know can be somewhat intimidating). I've only done one myself and it was with an old palamino core that wasn't worth it to do anyway.

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |
Senior Member
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20. January 2005 @ 19:18 _ Link to this message    Send private message to this user   
OK thanks, so there isnt any other way to change my CPU's Voltage without any Motheboard modification?

If thats the most I can Overclock to, ah well.

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
Divinus
Suspended due to non-functional email address
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20. January 2005 @ 19:27 _ Link to this message    Send private message to this user   
Sorry friend, I think there is no way :(

Although, this does seem to be something that could easily be fixed by a BIOS flash (if ECS ever released a BIOS that allowed vcore manipulation). This is also assuming that the board is physically capable of increasing the voltage.

You may want to check around the net and see if you can find a modded BIOS that allows vcore uping. This would also be a big chance in flashing to a modded BIOS, but if it's a popular BIOS there's a good chance all the kinks will be ironed out.

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |
Senior Member
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20. January 2005 @ 19:46 _ Link to this message    Send private message to this user   
I found a program called CPUMSR (there are no modded bioses for n2u400-a), so it had the abiloty to change the voltage. But when i tried changing the voltage, it didnt do anything and it got frozen on saying Changing Voltage.

Any suggestions?

Console: PS2 v7, 8MB Nyko MC, 32MB Max MC, 16MB Gameshark MC, Multitap, Sony Controller, Nyko Controller, AirFlow Controller
Chip: DMS4 E.Z.I. Pro, ToxicOS v0.41, 100GB HDD

Handheld: PSP Firmware v1.5, 32MB MS Pro Duo, 2GB MS Pro Duo
HomeBrew: DevHook v0.46 w/ GUI Mod & USB Mod, Firmware v2.71 Emulated
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Divinus
Suspended due to non-functional email address
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20. January 2005 @ 20:05 _ Link to this message    Send private message to this user   
I've never used windows based OCing programs, but the only thing I could think of is that the board has some safe-guard that's preventing you from doing it or, it isn't physically capable of uping the vcore.

Athlon 4200+ X2 @ 2.2 GHz | Asus A8N | 1x250GB SATA WD | 7900GTX | 512x2 Corsair PC3200 3-3-3-8 | NEC3500A 2.18 |
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