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
>
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> =========
>