My XP box with Xp pro is constantly chirping. I have finally
determined that this is being caused by a low core voltage. the
voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
Can someone tell me how to fix the problem. could this be caused by
the power supply?

Thanks.

<oldman@old.net> wrote in message
news:ouakm45rmq85fpn4emo9kpvakg9kpmk4vh@4ax.com...
> My XP box with Xp pro is constantly chirping. I have finally
> determined that this is being caused by a low core voltage. the
> voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
> Can someone tell me how to fix the problem. could this be caused by
> the power supply?
>
> Thanks.

Nothing to do with Windows - best to ask the hardware experts in a hardware
newsgroup. By the way - how can you be so sure that the low voltage is
causing the chirping?

oldman@old.net wrote:
> My XP box with Xp pro is constantly chirping. I have finally
> determined that this is being caused by a low core voltage. the
> voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
> Can someone tell me how to fix the problem. could this be caused by
> the power supply?
>
> Thanks.

You can check your power supply with a multimeter.

One other possibility, is that monitored voltage is actually
produced by a component on the motherboard.

When you post in a hardware group, you'd better include
complete details about the computer. Like brand of computer
and model number, or brand of motherboard and model
number of the motherboard. It sounds like this computer
is about 8 or 9 years old.

Paul

Here are more details on the computer:
Motherboard is an ASUS P4S8X built from components
Intel Pentium P4 chip 2.4 GHz
1 GB RAM
4 hard drives
ATI video card Radion 9600

ASUS Prob v2.4 says everything is ok but the Bios under vcore to left
indicates 3.3 but actual between 2.96 and 3.05 and flashes red.

Do you need any other data to be of assistance?

Thanks


On Sun, 11 Jan 2009 13:12:00 -0500, Paul <nospam@needed.com> wrote:

>oldman@old.net wrote:
>> My XP box with Xp pro is constantly chirping. I have finally
>> determined that this is being caused by a low core voltage. the
>> voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
>> Can someone tell me how to fix the problem. could this be caused by
>> the power supply?
>>
>> Thanks.
>
>You can check your power supply with a multimeter.
>
>One other possibility, is that monitored voltage is actually
>produced by a component on the motherboard.
>
>When you post in a hardware group, you'd better include
>complete details about the computer. Like brand of computer
>and model number, or brand of motherboard and model
>number of the motherboard. It sounds like this computer
>is about 8 or 9 years old.
>
> Paul

On Sun, 11 Jan 2009 13:12:00 -0500, Paul <nospam@needed.com> wrote:

>oldman@old.net wrote:
>> My XP box with Xp pro is constantly chirping. I have finally
>> determined that this is being caused by a low core voltage. the
>> voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
>> Can someone tell me how to fix the problem. could this be caused by
>> the power supply?
>>
>> Thanks.
>
>You can check your power supply with a multimeter.

Right. Everybody knows how to use one and probably has a couple on a
shelf somewhere.

Right.

>One other possibility, is that monitored voltage is actually
>produced by a component on the motherboard.
>
>When you post in a hardware group, you'd better include
>complete details about the computer. Like brand of computer
>and model number, or brand of motherboard and model
>number of the motherboard. It sounds like this computer
>is about 8 or 9 years old.
>
> Paul

On Sun, 11 Jan 2009 09:29:02 -0800, oldman@old.net wrote:

> My XP box with Xp pro is constantly chirping. I have finally
> determined that this is being caused by a low core voltage. the
> voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
> Can someone tell me how to fix the problem. could this be caused by
> the power supply?


If it's low voltage, you clearly have a hardware problem, not a
Windows one. I'm not a hardware expert and can't help you with your
hardware problem; you would very likely do much better with your
questions if you would ask them in a hardware newsgroup rather than
here in a Windows XP one.

--
Ken Blake, Microsoft MVP - Windows Desktop Experience
Please Reply to the Newsgroup

oldman@old.net wrote:
> Here are more details on the computer:
> Motherboard is an ASUS P4S8X built from components
> Intel Pentium P4 chip 2.4 GHz
> 1 GB RAM
> 4 hard drives
> ATI video card Radion 9600
>
> ASUS Prob v2.4 says everything is ok but the Bios under vcore to left
> indicates 3.3 but actual between 2.96 and 3.05 and flashes red.
>
> Do you need any other data to be of assistance?
>
> Thanks
>

Someone had a problem like that here.

http://vip.asus.com/forum/view.aspx?...age=2&count=15

First thing to note, is that motherboard has an issue
with higher speed processors. It cannot take a 3.06GHz
processor, because the Vcore circuit isn't good enough
for it. Your 2.4GHz processor suggests to me that it
won't necessarily be a Vcore problem. If you had a 3.06GHz
I'd be more concerned. (The way Asus handled problems with
that board is probably one of the worst episodes in their
motherboard making history.)

Your first step might be, to enter the BIOS and check the
hardware monitor page. It lists measured values for the
voltage. You may see the offending voltage listed in there.
If the 3.3V is on the low side (more than 5% on the low side
of the normal value), maybe that is what the BIOS is complaining
about.

The voltages can also be measured while the computer is running.
You can use Asus Probe (may have a copy on the motherboard CD),
or you can try Speedfan from almico.com.

Note that, the hardware used to measure the voltages is not
infallible, and because software converts the values measured
into final numbers, there is room for any software (BIOS
included), to do the scaling equation wrong, and worry the
user needlessly. I have one computer here, that says the
12V is out of spec, when a multimeter says it is exactly
correct. So that kind of thing does happen.

If it is your 3.3V, and it reads low, the first thing to
check is that the main connector is fully seated. There is
a latch on the connector for a reason, and the latch is
meant to prevent thermal expansion from causing the
connector to "walk out" of its motherboard mate.

If the connector is ever loose, the pins make poor contact,
the resistance goes up, the pin gets hot, and the metal on
the outside of the pin can oxidize. This leaves the pin
in a permanently damaged condition, such that even if
the connector is reseated, the problem won't go away.

If both the motherboard and power supply connectors have been
damaged, they should both be replaced. Replacing just one
of them, doesn't guarantee the thing is fixed forever.
It could develop the same problem later. But few repairers
are going to do both ends. Pulling out the motherboard main
power connector is not going to be easy (without damaging
something).

Purchasing another power supply may give relief, but unless
you've looked over the situation carefully, you may not
really know what the root cause was. It could be a bad
power supply. It could be a bad connector or connectors
causing the symptoms. It could be that the motherboard
measurement circuit is out of whack.

The multimeter is handy, as a means of doing double
checks. Someone in a repair shop might use one. I have
to mention it, because if I don't, there'll always be
a poster who'll pop in and correct me.

HTH,
Paul

Cody Jarrett wrote:
> On Sun, 11 Jan 2009 13:12:00 -0500, Paul <nospam@needed.com> wrote:
>
>> oldman@old.net wrote:
>>> My XP box with Xp pro is constantly chirping. I have finally
>>> determined that this is being caused by a low core voltage. the
>>> voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
>>> Can someone tell me how to fix the problem. could this be caused by
>>> the power supply?
>>>
>>> Thanks.
>>
>> You can check your power supply with a multimeter.
>
> Right. Everybody knows how to use one and probably has a couple on a
> shelf somewhere.
>
I ALWAYS have a multimeter around to test PSU's as I learned the hard way,
sometimes a PSU will come in with voltage out of the acceptable range of, I
think it is like 25%, you know 11.75 to 12.25 or close to that. I purchased
an Antec smart power once, (for about 75 bucks) that was running at 12.75 to
12.85 on the 12V rail, guess what happens with the RAM and such.... so I
test every single one I sell now...

By the way the BIOS is not always accurate on the voltages, look for an
adjustment in the BIOS to see if that can be adjusted, it usually can if the
motherboard is not an off the shelf Dell, Compaq/HP, E-machines and the
like.
Clark...

On Sun, 11 Jan 2009 09:29:02 -0800, oldman@old.net wrote:

>My XP box with Xp pro is constantly chirping. I have finally
>determined that this is being caused by a low core voltage. the
>voltage should be 3.3 but the bios are reporting it is 2.99 to 3.00.
>Can someone tell me how to fix the problem. could this be caused by
>the power supply?
>
>Thanks.

Why are you asking here? This has nothing to do with XP or any other
OS.

Ask elsewhere

Malke wrote:


> Why are you asking here? This has nothing to do with XP or any other
> OS.
>
> Ask elsewhere

You fool no one, troll.

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Malke
--
MS-MVP
Elephant Boy Computers - Don't Panic!
FAQ - http://www.elephantboycomputers.com/#FAQ

On Sun, 11 Jan 2009 15:16:55 -0800, Malke <malke@invalid.invalid>
wrote:

>Malke wrote:
>
>
>> Why are you asking here? This has nothing to do with XP or any other
>> OS.
>>
>> Ask elsewhere
>
>You fool no one, troll.
>
>X-Newsreader: Forte Agent 2.0/32.652

Sumbitch can't even pop for a pay version of Agent ;->

On Jan 11, 1:41*pm, old...@old.net wrote:
> ASUS Prob v2.4 says everything is ok but the Bios under vcore to left
> indicates 3.3 but actual between 2.96 and 3.05 and flashes red.

As others have noted, until the BIOS measurement is calibrated, you
don't know how valid that number is. Just another reason for having a
multimeter.

Assuming a 3.3 volt orange wire is low, then either the supply is
too heavily loaded, or the supply is defective. If load is reduced
and voltage rises up, then the load probably too large. A new supply
must output more current on 3.3 volts then is listed on that
supply. If a reduced load still has same low voltage, then power
supply is probably defective.

3.3 volts is typically limited to PCI cards and motherboard. Maybe
(temporarily) remove the video controller to reduce 3.3 volt load,
then measure.

Once everything is working, then use the meter to calibrate BIOS
measurements; adjust alarm points if necessary..