** Rob Malpass <linux@???> [2012-04-21 14:59]:
> Hi all
>
> Does anyone know how to prolong the life of a 5pin din keyboard with ps2 on
> the way out?
>
> I have a lovely keyboard which I'm really really keen on keeping but I have
> a nasty feeling is losing the legacy war. It is still working fine, feels
> lovely and I've had it for nearly 20 years. At present it's connected to
> me ps2 kvm via a 5pin din female to ps2 male adapter. However it seems ps2
> is being phased out - the mobo I bought at Christmas only had one ps2 port.
>
> I've just tried a ps2 female to usb male on the end of the lash-up I
> describe above and no dice from the mobo.
>
> However - and getting to the point - it's unlikely my 1994 vintage 5 pin din
> keyboard would be noticed as a usb device without either some software or
> hardware intervention - anyone know of anything?
>
> My own view (trying not to sound too much like a grumpy old man here) is
> that they simply don't make keyboards the way they used to. If I could
> find one that feels the same as the one I'm using - fine - but apart from a
> certain chain store on every industrial park the length of the country -
> there is nowhere to actually try before you buy is there? And said chain
> only do cheap'n'nasty kbds in my experience - which admittedly is limited as
> I only ever go there as a last resort.
>
> Any ideas anyone?
** end quote [Rob Malpass]
Looking at the wiring diagram for the AT keyboard and PS/2 keyboard:
http://www.bbdsoft.com/keyboard.html
and then the wiring diagram of a PS/2 to USB adapter:
http://technix.free-message-board.com/t49-ps-2-to-usb-wiring-diagram
is it feasable to make up a direct cable?
I say this with the proviso that I have no idea how compatible or safe this may
be, I've never done it and know nothing about the signals used, etc., etc. :)
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