The PS/2 mouse port is fed by Vcc which is 5volts DC and is
VERY low amperage.  I suspect that the arc was caused by
some other condition/fault.  Possibly static or a defective
power supply.

Jim Meagher

----- Original Message -----
From: Twin*.*Star <[log in to unmask]>



> I would have to disagree :-)
>
> I actually witness the occurrence of one of the fried mobos I mentioned in
> my previous email. A client had a Packard Bell :-( and removed the PS/2
> mouse right in front of me before I could stop her. I saw the arc as she
> removed it and wella, dead mobo. Fortunately for her it was still under
> warranty and after 3 attempts (the PB warranty group matched the quality
of
> the hardware) got a correct and operational mobo and had it replaced.
>
> And this was within 6 months ago. Lucky for her, just before PB went down
> for the last time.
>
> Daniel Wysocki
> Twin*.*Star Computers
> 770-498-2582 / 800-816-0663
> [log in to unmask]
> Fast - Reliable - Wallet Friendly
>
>
>
> -----Original Message-----
> From: Jim Meagher <[log in to unmask]>
> >Herbert is correct....
> >
> >Way back in the days of Windows 3, if a mouse or keyboard were
> >disconnected, the OS quit responding and the user needed to reboot
> >in order for Windows to "see" the device again.  But there has never
> >been any major electrical/electronic danger from connecting or
> >disconnecting a keyboard or mouse..
> >
> >Yes there is a possibility of electrical arcing at the moment of contact,
> >but the current levels are soooo low that this danger is almost
negligible.
> >And the danger would be focused more toward the mouse or keyboard
> >not the MoBo -- mice and keyboards do not have a voltage source.
> >They each DRAW their current FROM the MoBo.
> >
> >Printers, scanners, and other devices with their own power supplies
> >are excluded from this conversation for obvious reasons.
> >
> >Jim Meagher
> >=====
> >Micro Solutions Consulting        Member of The HTML Writers Guild
> >http://www.ezy.net/~microsol     International Webmasters Association
> >410-543-8996                MS Site Builder Network - Level 2 member
> >=====
> >
> >                         PCBUILD's List Owner's:
> >                      Bob Wright<[log in to unmask]>
> >                       Drew Dunn<[log in to unmask]>
>
>                          PCBUILD's List Owner's:
>                       Bob Wright<[log in to unmask]>
>                        Drew Dunn<[log in to unmask]>
>

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