You would be surprised at how little it can take to make an overclock unstable.Quote:
Originally posted by KaoTiK
The 5v rail isn't too bad, but the 12v one is gettin out there. But it shouldn't be causing instability like that, I wouldn't think.
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You would be surprised at how little it can take to make an overclock unstable.Quote:
Originally posted by KaoTiK
The 5v rail isn't too bad, but the 12v one is gettin out there. But it shouldn't be causing instability like that, I wouldn't think.
i should say that I am not sure at all what my rails are.. is what i remember it being but i haven't checked in a while.. i don't have access to my computer this weekend. my board doesn't go any higher than 2.8 on the vdimm. but i am still convinced its my board... not being able to do 200 no matter what the vcore or multiplier setting is a little weird...
Saps computer ran with his 5v at 4.33, lol. And my computer is perfectly stable with it as low as 4.75.Quote:
Originally posted by mystifmagic
You would be surprised at how little it can take to make an overclock unstable.
But 1 extra MHz on the FSB shouldnt blow everything to hell. It's not like he'd have 4.9v on the 5v and 11.9v on the 12v and then puts 1 more MHz on the FSB and his rails drop to unstable levels.
Sounds like the board to me.
Or his ram needs more then 2.8v`s vdimm to get higher.Quote:
Originally posted by KaoTiK
Saps computer ran with his 5v at 4.33, lol. And my computer is perfectly stable with it as low as 4.75.
But 1 extra MHz on the FSB shouldnt blow everything to hell. It's not like he'd have 4.9v on the 5v and 11.9v on the 12v and then puts 1 more MHz on the FSB and his rails drop to unstable levels.
Sounds like the board to me.
however he also had to take a BIG hit in his overclock as the strength of his 5v rail came down, so it's not as if the lower voltage didn't affect him in any way, because it certainly did.Quote:
Originally posted by KaoTiK
Saps computer ran with his 5v at 4.33, lol. And my computer is perfectly stable with it as low as 4.75.
I said:Quote:
Originally posted by KaoTiK
Saps computer ran with his 5v at 4.33, lol. And my computer is perfectly stable with it as low as 4.75.
But 1 extra MHz on the FSB shouldnt blow everything to hell. It's not like he'd have 4.9v on the 5v and 11.9v on the 12v and then puts 1 more MHz on the FSB and his rails drop to unstable levels.
Sounds like the board to me.
"You would be surprised at how little it can take to make an overclock unstable."
Words to notice: "it can"
He may have run it at 4.33v, but that doesn't mean the rail meant nothing. With a better rail he could have done more I am sure. Your computer might be "perfectly stable" at 4.75v, but that doesn't mean that 4.75v isn't hurting your overclock. For all you know you might get a better overclock if your 5v rail was at or just over 5v at all times. I am just playing both sides, the devil's advocate for this discussion.
why would pc3200 ram need anything more than default vdimm settings to run at its rated speeds... my mushkin level 2 is rated to run at 2.6v at ddr400 speeds, why would i need anything more?
Your right, it should not need more vdimm, but IMO, these Nforce 2 MB`s are weird when it comes to memory.Quote:
Originally posted by tituswolf
why would pc3200 ram need anything more than default vdimm settings to run at its rated speeds... my mushkin level 2 is rated to run at 2.6v at ddr400 speeds, why would i need anything more?
Still, 1 extra MHz on the FSB wouldn't drop the Rails from being fine to completely unstable... It just doesn't make sense.Quote:
Originally posted by mystifmagic
I said:
"You would be surprised at how little it can take to make an overclock unstable."
Words to notice: "it can"
He may have run it at 4.33v, but that doesn't mean the rail meant nothing. With a better rail he could have done more I am sure. Your computer might be "perfectly stable" at 4.75v, but that doesn't mean that 4.75v isn't hurting your overclock. For all you know you might get a better overclock if your 5v rail was at or just over 5v at all times. I am just playing both sides, the devil's advocate for this discussion.
And it would make perfect sense for it to be the board, 1MHz on the FSB can easily uncover a boards limit.
Geez, the sig says True430....could the readings be off and not the actual rail levels???Quote:
Originally posted by thebove
12v rail is awfully low, 5v is kinda low too. what kind of a power supply is it?
i dont think truer words have ever been said.:(Quote:
Originally posted by lonewolfroger
Your right, it should not need more vdimm, but IMO, these Nforce 2 MB`s are weird when it comes to memory.
could the board be the cause for the low rails?
Way back when I was first overclocking the 1600+ up to the 1.9Ghz+ range my PSU reported 5v and 4.95v constantly all the way up to 180Mhz FSB. At 181Mhz FSB my 5v rail dropped to 4.7v; luckily I have an Antec PP412x PSU and I can adjust my rails. I have had lots of experience when it comes to overclocking, and yes 1Mhz can drop rails. I am not saying that is exactly what is happening here, but it could be.Quote:
Originally posted by KaoTiK
Still, 1 extra MHz on the FSB wouldn't drop the Rails from being fine to completely unstable... It just doesn't make sense.
And it would make perfect sense for it to be the board, 1MHz on the FSB can easily uncover a boards limit.
They aren't super low, but they are lower than I would want mine to be. Your currently rail status is caused by all your components and the overclocking of your chip. Since the 5v rail is where AMD chips get their power and Intel chips get their power from the 12v rail IIRC.Quote:
Originally posted by tituswolf
could the board be the cause for the low rails?
i thought amd got their's from the 12v too? Cuz when i really start upping the vcore/speed, my 12v drops a bit...while the others are virtually untouched. I think that's also why some manufacturers are including support for the square 12v plug to help power the board/cpu in addition to the standard 20pin connector. I hear that helps overclock stability. Of course, i could be wrong, it's happened before...:pQuote:
Originally posted by mystifmagic
Since the 5v rail is where AMD chips get their power and Intel chips get their power from the 12v rail IIRC.
My knowledge on that could be a bit rusty, I will have to double check myself.Quote:
Originally posted by speedyaxon
i thought amd got their's from the 12v too? Cuz when i really start upping the vcore/speed, my 12v drops a bit...while the others are virtually untouched. I think that's also why some manufacturers are including support for the square 12v plug to help power the board/cpu in addition to the standard 20pin connector. I hear that helps overclock stability. Of course, i could be wrong, it's happened before...:p