P5A voltage i/o setting
DrGonzo
the cover off and a fan blowing into the box. I noticed in my bios that the
3.3 V i/o monitor is actually 3.58 volts. Is there any way to lower this?
The V i/o jumper on the board only has options for 3.5 and 3.6 volts.
However, there is another row of pins that are not documented in my M/B
manual (3 pins, parallel with the V i/o jumper). Anyone know what these are
for? Or specifically, if they can be used to decrease the V i/o? Any help
would be appreciated.
Dragon
frank berisford
you figure out how to lower this please let me know.
Thanks,
Frank
"DrGonzo" <drg...@inreach.com> wrote in message
news:PkpO4.1534$yY1....@news.inreach.com...
Wayne Monteath
is called Vcc1.
If you have anything to worry about it would be Vcc2, which is the core
voltage of the CPU, and it should be set to what is marked on the top of
the AMD processor.
Wayne Monteath
DrGonzo <drg...@inreach.com> wrote in article
<PkpO4.1534$yY1....@news.inreach.com>...
Kevin Duckworth
Monitoring?
Somewhere I read that the undocumented jumper set to I think 2-3 and
unjumpering the documented set will yeild 3.3v. Again is this is so, how
does this affect VCC1 & VCC2? Just how related are these 2 voltages?
Kevin
"Wayne Monteath" <mont...@atreide.net> wrote in message
news:01bfb16e$650af8c0$cf8060cf@node_g...
DrGonzo
volts. The VI01 jumper is set to 3.5(the lowest possible according to
manual, 3.5 and 3.6 being the choices). My concern is that the K6 III is
absolutely not supposed to go past 3.6 volts i/o, and would be a lot cooler
at 3.3 volts. There is a jumper labeled "oftest" that apparently raises i/o
voltage by 10%, but that was removed when I got the board. Hopefully this
helps clarify the problem.
Thanks for the feedback :)
"Kevin Duckworth" <kevindu...@yahoo.com> wrote in message
news:sgm8dkf...@corp.supernews.com...
DrGonzo
The above link has some interesting info on the subject.
"frank berisford" <ber...@email.uah.edu> wrote in message
news:8edd35$1rl$1...@info2.uah.edu...
> I've been worryin' about this setting since I got my K63-450 on my P5A.
If
> you figure out how to lower this please let me know.
>
> Thanks,
> Frank
>
>
>
>
>
> "DrGonzo" <drg...@inreach.com> wrote in message
> news:PkpO4.1534$yY1....@news.inreach.com...
Wayne Monteath
temporarily lost communication with typing fingers'.
The AMD-K6-2 processor is a dual voltage device. Two separate
supply voltages are required: Vcc2 and Vcc3 . Vcc2 provides the
core voltage for the processor and Vcc3 provides the I/O voltage.
The specification for Vcc3 is that it should be "Typical" 3.30 V.
Vcc3 can be anywhere between 3.135 an 3.6 V. On ASUS motherboards
this is usually fixed at 3.6 V and should be left that way.
The Vcc2 pins supply voltage to the processor core, independent
of the voltage supplied to the I/O buffers on the Vcc3 pins.
The Vcc2 voltage should be set to what is marked on the top of
the metal lid on the CPU.
In my experience changing the I/O voltage will not appreciably
reduce the temperature, (Vcc3).
If you are concerned about the temperature get a bigger heatsink,
a fan that runs greater than 4000 RPM and use thermal compound
between the heatsink and the CPU.
Use software that will execute the HLT instruction when your CPU
is not busy or switch to Linux or Windows NT.
Kevin Duckworth <kevindu...@yahoo.com> wrote in article
<sgm8dkf...@corp.supernews.com>...
> Where is VCC2 set and is it, or is the VCC1 what is monitored by the
Health
> Monitoring?
What is "Health Monitoring"? If it is something that measures the CPU
temperature
then it is related indirectly to Vcc2 (as above) or the ability of the
heatsink
and fan to dissipate heat generated by the CPU.
> Somewhere I read that the undocumented jumper set to I think 2-3 and
> unjumpering the documented set will yeild 3.3v. Again is this is so, how
> does this affect VCC1 & VCC2? Just how related are these 2 voltages?
See above.
Wayne Monteath
>
> Kevin
>
>
> "Wayne Monteath" <mont...@atreide.net> wrote in message
> news:01bfb16e$650af8c0$cf8060cf@node_g...
> > The I/O voltage reading is normal for ASUS M/B's it should be 3.6 V,
this
> > is called Vcc1.
> >
> > If you have anything to worry about it would be Vcc2, which is the core
> > voltage of the CPU, and it should be set to what is marked on the top
of
> > the AMD processor.
> >
> > Wayne Monteath
> >
> > DrGonzo <drg...@inreach.com> wrote in article
> > <PkpO4.1534$yY1....@news.inreach.com>...
DrGonzo
board include a setting for V i/o 3.3 volts. I also found an updated
revision of the jumper layouts on the Asus site. While it still won't let
me change it to 3.3 V i/o, it does explain what the other "undocumented"
jumper is for; And that is to allow the choices of 3.8 and 4.0 V i/o.
Thanks for the response.
"Wayne Monteath" <mont...@atreide.net> wrote in message
news:01bfb263$c603afa0$ae8060cf@node_g...
Chris Martin
tables of jumper settings written on it. One of them will be for the
I/O voltage jumpers. Even though there was no mention of it in my
manual, printed on the motherboard were the jumper settings to run
the I/O at 3.3V. I set them accordingly and everything is as stable
as ever with the following components: K6-III 400AHX 2.4V at
450 (4.5x100) 2.5V, I/O at 3.3V, Voodoo3 3000 AGP, 3x64MB
PC100 DIMMs, Diamond Monster Sound MX300 PCI soundcard,
plus two ISA soundcards (the onboard sound is disabled).
Mike Zitter
DrGonzo wrote in message ...
>Thanks for the feedback :). I read somewhere that later revisions of the
>board include a setting for V i/o 3.3 volts. I also found an updated
>revision of the jumper layouts on the Asus site. While it still won't let
>me change it to 3.3 V i/o, it does explain what the other "undocumented"
>jumper is for; And that is to allow the choices of 3.8 and 4.0 V i/o.
>
Could you supply the link to that particular document on the Asus site (the
link to "lostcircuits" doesn't lead to a layout with the 2 row jumpers).
I feel i am in need of the VIO jumper layout. It is indeed not documented in
the manual, at least not the 2 rows that are on the MOBO. On the MOBO there
actually is an explanation of the VIO-jumper setting. The only thing is...i
can't make out what the orientation for the jumpers is, ie. what way did the
MOBO-textwriter had the board faced when he was processing it???
The upside, to the fact that the jumper is printed on the board, is that i
know that i can change VIO-voltage.
In my case i think it might help, because i read somewhere in this NG that
somebody had lowered VIO to have an ISA-card recognized. Surpricingly i have
the sam problem with an isa soundblaster card (it's just nostalgia)
THX, Mike Zitter
DrGonzo
There ya go. Good luck!
DrGonzo
"Mike Zitter" <m.zi...@wxs.nl> wrote in message
news:8fi5rp$750fi$2...@reader1.wxs.nl...
Mike Zitter
DrGonzo wrote in message ...
Thx dr.G, but did ya actually notice the VIO settings do NOT correspond with
the settings printed on the board itself. For instance a setting for 3.3VIO
is not named in the document.
But in fact jumper 2-3 on VIO1 is the setting for that voltage, based on
what is printed on the board and what i tried just now and what asus probe
tells me.
Asus slip up???
Jeff Pillsworth
2-3 on VIO1 is 3.6 volts and the computer will not boot. the board has no
3.3 volt on the silkscreen.
Was VIO0 open for this setting or was it jumpered??
Jeff
"Mike Zitter" <m.zi...@wxs.nl> wrote in message
news:8fpsk9$78qdk$1...@reader3.wxs.nl...