And the AGE of the PC has nothing to do with if its underpowered or not.
Typically, todays' PCs are marginally powered for add-ons.

--
Jonny
"frankg" <sorry@stoppingspam.com> wrote in message
news:2a%uf.34829$X25.747532@news20.bellglobal.com. ..
> thanks for the link - i am underpowered; and will have to either get a
> bigger psu or perhaps I can get away with using a usb hub with it's own
> power cable so attached devices dont draw power off the computer ?
>
>
> "John" <johnlee2509@btopenworld.com> wrote in message
> news:usEOVbXEGHA.828@TK2MSFTNGP10.phx.gbl...
> > Hi
> > In my experience as a PC Engineer, YES a PSU with a low power rating
would
> > definately cause system errors, not too sure about reboots but
> > definately problems would occur
> > Calculate the power of the PSU you would require here
> > http://www.jscustompcs.com/power_supply/
> >
> > HTH
> > --
> > Regards
> >
> > John
> >
> > MCP Windows XP Professional
> >
> > "frankg" <sorry@stoppingspam.com> wrote in message
> > news:viTuf.33958$X25.667196@news20.bellglobal.com. ..
> >> If there is not enough power rating (the power supply unit) to support
> >> the number of USB devices attached to an older machine, could this lead
> >> to corrupt file transfers from a CF camera card (and/or the machine
> >> spontaneously rebooting) ?
> >>
> >> thanks
> >> Frank
> >>
> >> --
> >> =========
> >>
> >
> >
>
>