Re: +12 VOLT Indicator on Winbond Hardware Doctor
From: Ted (Ted_at_discussions.microsoft.com)
Date: 12/08/04
- Next message: davidncsu: "Re: DVD-RW no longer recognizes DVDs"
- Previous message: shellman: "RE: Cannot Install New Hardware"
- In reply to: w_tom: "Re: +12 VOLT Indicator on Winbond Hardware Doctor"
- Next in thread: w_tom: "Re: +12 VOLT Indicator on Winbond Hardware Doctor"
- Reply: w_tom: "Re: +12 VOLT Indicator on Winbond Hardware Doctor"
- Messages sorted by: [ date ] [ thread ]
Date: Tue, 7 Dec 2004 17:15:06 -0800
Hi,
I have a friend that has let me borrow a PSU, when I check Winbond hardware
Doctor with the new PSU, instead of the alarm sounding now and then, it's on
constant.
Does that make any more sense? Im so confused???
"w_tom" wrote:
> Obtain that meter even in a screw driver store. Meter is as
> essential as a screw driver. So ubiquitous as to be sold even
> in Home Depot, Sears, and Lowes. So inexpensive that it is
> now a standard tool.
>
> BIOS measurement circuits can vary significantly. How
> accurate are they? An honest computer provider or motherboard
> manufactuer provides that numerical specification. However a
> 'motherboard voltmeter' must be accurate enough duplicate the
> accuracy of a 3.5 digit multimeter. See spec limits in
> previous posts. Voltages must reside in the upper 3/4s of
> those limits. Anything else can mean strange and intermittent
> failures. If the meter is less accurate, then the voltage
> readings must lie even further inside those limits.
>
> Limits provided below are too wide. For example, upper
> limit is 12.6. Below, that same limit is 13 volts - too
> high. A voltage below 4.85 is too low. And yet limits below
> are 4.5 - too low.
>
> Don't screw around. Don't waste good money and time by
> shotgunning - scam that an auto mechanic does when he does
> not have basic knowledge. Get the meter to confirm an
> essential component - the PSU. Then move on to other 'usual'
> suspects using standard information sources such as system
> (event) log, Device Manager, and comprehensive diagnostics
> provided free by any reponsible computer manufacturer.
>
> Ted wrote:
> > Hi Guys
> > Thanks for getting back to me. I don't have a metre to measure but
> > I did try and remove the other devices to see the difference, but
> > there was none. The HDD and CD + DVD drive have been replaced within
> > the last 2 weeks. This was happening before then. The readings in
> > the BIOS are simalar to the Hadware Doctor. I currently only have 1
> > HDD attached which is a 160gb SATA 8MB cache, I also would like to
> > attach another in the future but am i right in saying thats out of
> > the question?? or should I look at a new PSU. They readings are
> > as follows.
> >
> > LL = Low Limit - HL= High Limit
> > +3.3V..... LL3.00 - HL3.50. This reading jumps between 3.34 & 3.36
> >
> > +5V .....LL4.50 - HL 5.50. Steady @ 5.11
> >
> > +12V.....LL11.00 - HL 13.00. This jumps between 11.04 & 10.50, quiet a
> > difference and not meeting the 12V.
> >
> > -12V.....LL -14.00 - HL -11.0. This jumps between -11.78 & -11.86
> >
> > again thanks for your help
> >
> > Ted
> >
> > "Gary" wrote:
> >
> >> How far out is the BIOS reading from the real reading?
> >> 50% + ? Please advise.
>
- Next message: davidncsu: "Re: DVD-RW no longer recognizes DVDs"
- Previous message: shellman: "RE: Cannot Install New Hardware"
- In reply to: w_tom: "Re: +12 VOLT Indicator on Winbond Hardware Doctor"
- Next in thread: w_tom: "Re: +12 VOLT Indicator on Winbond Hardware Doctor"
- Reply: w_tom: "Re: +12 VOLT Indicator on Winbond Hardware Doctor"
- Messages sorted by: [ date ] [ thread ]
Relevant Pages
|
