For programming Motorola EPROMs for the KDF-11B I had very good luck building and using this programmer: https://www.mattmillman.com/projects/hveprom-project/an-easy-to-build-programmer-for-2704-2708-mcm68764-mcm68766-eproms/
On Mon, May 27, 2024 at 3:20 AM Glen Slick via cctalk <cctalk@classiccmp.org> wrote: > On Mon, May 27, 2024, 2:47 AM emanuel stiebler <e...@e-bbes.com> wrote: > > > On 2024-05-26 12:30, Glen Slick via cctalk wrote: > > > On Sun, May 26, 2024 at 4:26 AM Glen Slick <glen.sl...@gmail.com> > wrote: > > > > > Anyway, if the SCM90448 EPROMs for your M8189 KDF11-B are actually > > > Motorola MC68764 / MC68766 EPROMs, > > > > I have one board with MCM68766 and two boards with SCM90448 > > > > > I have BP Microsystems device > > > programmers that can handle those. I have programmed some of those > > > myself for my own M8189 KDF11-B. > > > > Excellent! > > > > > Are you looking to get set up with > > > the 23-380E4 / 23-381E4 M8189-BG firmware? > > > > Yup! Actually hoping for: > > MicroPDP-11/23 ROM v1.1 (23-453E4 and 23-454E4 > > > > Right, that is the final version as far as I know, and images are available > here: > > > https://web.archive.org/web/20160321035043/http://avitech.com.au/pdp-11-03/bdv11-rom-upgrade.html > > I'll have to check my M8189. I might not have had images for that version > available at the time I upgraded mine. > > I wonder if "SCM90448" is just a customer specific label for a standard > MC68766 part. >