Newbie Hardware Questions

[Richard Smith]

On Tue, 25 Jun 2002, Theo Markettos wrote:
> > I've just finished mapping out that connector.  Its pinout is on
> > http://www.ecs.soton.ac.uk/~ras400/ibx100/ibx100.html.
>
> Excellent.  That allows me to compare pinouts with existing flash
> cards.  For example, an Intel type I card from
> http://www.pretec.com/ftp/Data-Sheet/Flash%20S-I-DataSheet.pdf
> appears to have the same pinout if you do a transformation as to how
> you've numbered the pins:
>
You're absolutely right - well spotted.  I've updated my page
with the pinout renumbered for a PCMCIA connector, and a couple of
mistakes corrected.

>
> And 4MB flash cards from http://www.timasci.com/linear.htm go for the
> order of $50 (a bit variable with type, and I can't work out whether they
> sell the right type).  So if you wanted a flash writer could be knocked up
> fairly easily...
Presumuably a 5V linear flash card (definately not ATA) or a SRAM card
would take the least board hacking.  You'd probably need to disconnect
D16-31, but apart from that I can see no obvious reason why they wouldn't
work.  It's certainly an interesting possibility for those of us without
appropiate EPROM programmers.  A battery backed SRAM card would be ideal,
since it could be programmed on another PCMCIA device.

>
> Theo
>
> --
> Theo Markettos                 theo@markettos.org.uk
> Gonville and Caius College     theom@chiark.greenend.org.uk
> Cambridge, CB2 1TA, UK         http://www.markettos.org.uk/
>

Richard.