Re: 6540 replacement available

From: Ethan Dicks <ethan.dicks_at_gmail.com>
Date: Fri, 2 Oct 2009 23:53:46 -0400
Message-ID: <f4eb766f0910022053q26832baeya1e6a8669e51a5d0@mail.gmail.com>
On Fri, Oct 2, 2009 at 11:27 PM, Jim Brain <brain@jbrain.com> wrote:
> MH Stein and Ethan Dicks have been kind enough to test my 6540 ROM-el
> solution and verified correct operation.
>
> So, the next questions are:
>
>   * Does anyone need a board that will adapt a 2708-27512 to the 6540
>     pinout?

Yes!  I'm happy to use the test unit, but I'm interested in
experimenting with the set-of-three arrangement we were discussing
off-list (one for Chargen ROM, one for BASIC/Kernel ROM, and one for
RAM)

>   * If so, the board requires 5 0805 4.7K resistors, 1 28 pin header,
>     and a 28 pin socket. (EPROM is not included)  Would people prefer:
>         o bare boards? ($2.00 + shipping)
>         o kits? ($7.00 + shipping)
>         o assembled units? (?)

My personal preference is always for bare boards or kits.  I would be
happy to pick up a couple of bare boards, not as eager if the only
option is assembled units.

Thanks for a great little device, Jim.  If nothing else, it's gotten
me back to hacking on 40-col PETs, something I've been trying to make
time for all year.

-ethan


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Received on 2009-10-03 05:00:09

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