[G4] USB flash drive

[mbrad at icenet.com.au]

This is the best explaination, as it DOES work fine on the box..
oh well , extension cable it is.

Thanx
>
> On Monday, Apr 19, 2004, at 05:03 Canada/Eastern, mbrad at icenet.com.au
> wrote:
>
>> [...] why won't my USB flash drive mount when I plug i into
>> the USB port on my keyboard? [...] When it mounts just fine if I plug
>> into the back?!
>
> The "keyboard" is actually a keyboard plus a low-power USB hub. Various
> USB devices do not work, or do not work well, with hubs. There are
> various reasons: the hub doesn't supply enough power, the hub data
> transfer capability is overwhelmed, or simply mismatch/variation in the
> USB ports.
>
> As a basic rule-of-thumb, low-power, low-data-volume (cheap) hubs, such
> as a the one built in the keyboard, are not likely to work well with
> devices such as flash drives, ext'l drives (USB-powered or not),
> scanners, printers, etc., which either require more power than the bus
> can deliver, or flood it with data.
>
> Troubleshooting is simple. Plug the device directly into the computer
> USB port. If it works, likely the device is fine; if it doesn't, but
> other devices do work on the same port, the device is probably bad.
> Then, plug a low-power, low-data-volume device (e.g., a mouse) into the
> hub port. Does it work? If yes, the hub is good, but not suitable for
> the kind of device you're trying to use with it. Solution? Either use
> the device on one of the Mac's built-in ports (using an extension
> cable, if needed), or purchase a powered, good-quality hub -- or
> consider buying a USB card (and thus add USB 2.0 capability to your G4).
>
> f
>
>
>
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