[iyonix-support] Re: USB ext hd & Fat32FS
- From: Ron <iyonix@xxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Thu, 14 Apr 2011 10:24:17 +1200
In message <Marcel-1.53-0413111039-c72pErr@xxxxxxxxxxxxxxxxxxxxxx>
Chris Evans <chris@xxxxxxxxxxxxxxx> wrote:
> > Another possibility is to use a USB powered hub - i.e. one with its
> > own mains supply. That might supply the necessary extra power, as it
> > sounds as though the drive exceeds the requirements allowed by the USB
> > spec.
>
> Alternatively if there is a USB power only plug we do a USB Mains charger/PSU
> http://www.cjemicros.co.uk/micros/individual/newprodpages/prodinfo.php?prodcode=CAB-USBPOWER-BK
>
> It outputs upto 1Amp!
>
This is still not addressing the point that a USB hard drive that
has no external power socket will most likely need the double
headed lead for the secondary power source or extra power from
two USB ports.
Even a powered hub may have a limit per port.
The confusing part is that some X86 machines break the rules
and do put out enough power on one port.
Ron M.
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