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a2jfreak
madasiemanym
a2jfreak
3,351 Posts
13 Jun 2003, 5:56am

Epox 8RDA+ VCore problem

No matter what I set my VCore to, CPU-Z reports it to be 1.58x.

Both versions 1.18 and 1.17 report the same readings.

I'm running the 4/22 BIOS.

Any ideas? I believe CPU-Z more than I believe the motherboard because the CPU is not stable when overclocked past 1.6GHz. I've tried VCore ranging from default 1.6 to 1.8 and Prime95 always craps out.
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CCW
Icrontic Duke of Haxor
CCW
221 Posts
13 Jun 2003, 7:03am
I didnt think you could raise the vcore on the 8RDA+ without doing a volt mod first?

Craig
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Enverex
~-+-~
Enverex
5,852 Posts
13 Jun 2003, 9:22am
That sounds a bit stupid, why would they add VCore settings to the BIOS but you need to MOD the board first. Can you still lower the VCore or is it just locked entirely?

NS
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Omega65
EPoX Evangelist!
Omega65
2,891 Posts
13 Jun 2003, 4:31pm
All Epox NF2 and KT400 motherboards have BIOS control of vcore from 1.3 - 2.1 volts

CPU-Z is giving you the wrong reading.

What does the motherboard BIOS or MBM v5.3 say
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Matt
Icrontic Duke of Haxor
Matt
183 Posts
13 Jun 2003, 4:43pm
use the tool that came with your epox 8RDA+ a see if that read's the vcore at what its set in the bios.
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leishi85
JUMP JUMP JUMP
leishi85
2,451 Posts
13 Jun 2003, 10:43pm
indeed, that CPUz is giving a false reading, it does the samething for me, i just use WCPUID from now on, even tho it gives less info, at least most of them are correct.
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a2jfreak
madasiemanym
a2jfreak
3,351 Posts
14 Jun 2003, 5:17am
I downloaded MBM (found it after I posted this) and it gives me 1.58 for Core0, which I guess it was CPU-Z reads. Core1 registers whatever I tell the BIOS to use (w/in .01v).

I guess this chip is a really sucky overclocker.

I hope it's not the board . . . as I had 3 Epox mobos go south on me before w/in 1 week so I was really reluctant to purchase this board, but when my IWill got fried (PSU melted) I needed a new mobo and $85 was a lot better price than $120 for an NF7-S v2.0 or $130 for an A7N8X Deluxe.

Originally posted by Omega65
All Epox NF2 and KT400 motherboards have BIOS control of vcore from 1.3 - 2.1 volts

CPU-Z is giving you the wrong reading.

What does the motherboard BIOS or MBM v5.3 say
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a2jfreak
madasiemanym
a2jfreak
3,351 Posts
14 Jun 2003, 5:18am
Didn't realize WCPUID told what the VCore is.

Originally posted by leishi85
indeed, that CPUz is giving a false reading, it does the samething for me, i just use WCPUID from now on, even tho it gives less info, at least most of them are correct.
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Omega65
EPoX Evangelist!
Omega65
2,891 Posts
14 Jun 2003, 4:59pm
Are you running a Palomino?

Also update to the latest 8RDA+BIOS.

I've never had a problem changing the Vocre on any EPOX I've ever owned (8).

What does the MB Bios say the VCore is?
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Matt
Icrontic Duke of Haxor
Matt
183 Posts
14 Jun 2003, 8:23pm
Originally posted by Omega65
Are you running a Palomino?

Also update to the latest

I've never had a problem changing the Vocre on any EPOX I've ever owned (8).

What does the MB Bios say the VCore is?

the last 8rda bios sucks for overclocking. the only thing it did is fix the problem with the mouse in windows 98 and fix the ATI problem. there's a thing that comes with the 8RDA+ tells you the voltage and the temps. its on the CD that came with the mobo
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a2jfreak
madasiemanym
a2jfreak
3,351 Posts
15 Jun 2003, 9:06am
No, it's a TBred-B, 0310XPMW, only problem is it's a DUT3C, so it's 1.6v not 1.5

The chip isn't stable over about 1.6GHz, even though I've had it as high as 2GHz.

That's 400MHz of instability, which to me seems a bit high to be able to go from 1.6 stable to 2GHz but not be stable anywhere after 1.6. Makes me think the chip could handle higher than 1.6 stable but the board is holding it back. (Does this w/ different FSB speeds, different RAM timings, etc.)

I have Corsair XMS PC3200C2

2 x 512 = 1GB, dual channel.

I'm running the BIOS from June 6th.

Originally posted by Omega65
Are you running a Palomino?

Also update to the latest 8RDA+BIOS.

I've never had a problem changing the Vocre on any EPOX I've ever owned (8).

What does the MB Bios say the VCore is?
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FudgePacker
Not applicable
FudgePacker
12 Posts
16 Jun 2003, 4:32am
Same thing happens here. I am not 100% sure of this but I think on the Epox nForce2 boards cpuz is showing the VDD voltage as the VCORE voltage. Check the bios and see what it's reporting for voltage.
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DJ-Quack
Banned
DJ-Quack
42 Posts
17 Jun 2003, 8:28pm
The 8RDA+ uses the sensor other boards use as vcore for VDD. In MBM, core0 is VDD and core1 is Vcore.
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LIQuid
Luiwammes ;D
LIQuid
290 Posts
17 Jun 2003, 11:03pm
Yeah you just have to make sure you have the right sensor set for the right application. Thats all the problem is im sure, just having the application set to read the correct sensor for Vcore. The actual CPU itself shouldnt have anything to do with it.
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d@rker
Icrontic Regular
d@rker
44 Posts
30 Jun 2003, 2:29am
just use USDM utility ,readings are bit more correct .
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