On Fri, 6 Jun 2008 04:58:11 -0700 (PDT),
"jameshanley39@yahoo.co.uk" <jameshanley39@yahoo.co.uk>
wrote:

>On 6 Jun, 12:28, "jameshanle...@yahoo.co.uk"
><jameshanle...@yahoo.co.uk> wrote:
><snip>
>>
>> ps2 keyboards don't support USB.
>> USB keyboards do support ps2 or USB.
>>
>
>note- in the past, some have disagreed with my statement about USB
>keyboards supporting both.
>
>nevertheless, it has been my experience that any usb keyboard I have
>ever had, however cheap, has supported both.
>
>so maybe it's possible to get unlucky.. But even the person that last
>said "not necessarily", i.e. said that some only support USB, He could
>not name or even recall a usb keyboard that did not support ps2.

Several Gateway and Dell USB don't.

Probably some of the other cheapie generics too.