> and three DVD writers
Just curious... what do you do with three of these?

:-)
Mohit.

----- Original Message ----- 
From: "Howard Winter" <HDRW@H2Org.demon.co.uk>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Tuesday, November 14, 2006 3:35 PM
Subject: Re: [EE] PC Power Supplies - stray voltage on +5V


> Kevin,
>
> Thanks for the reply...
>
> On Mon, 13 Nov 2006 20:23:33 -0500, Kevin Timmerman wrote:
>
>> I just checked a system with an Antec power supply. It drops to 25 
>> mV
>> within a few seconds and stays there.  The 12V drops right down to 
>> zero.
>
> Hmmm... maybe I should get one of theirs.  I seem to remember they 
> do make decent-quality PSUs...
>
>> Have you tried a small resistor on the 5V line?  100 ohm 1/2 W 
>> would
>> be a good start.
>
> No, I didn't think load was the problem.  I didn't make it clear in 
> my original post, I'm installing this in a PC *with the rest of the 
> PC still there*!  I'd
> have thought that the motherboard, two hard drives, floppy drive, 
> and three DVD writers would provide a load at least this big, 
> wouldn't they?  Or
> would the low voltage mean that they'd be effectively high 
> resistance?  (I have no idea what ICs "do" when the voltage falls 
> way below spec.)
>
> I'll try your suggestion and see what happens.
>
> Cheers,
>
>
>
> Howard Winter
> St.Albans, England
>
>
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