31 Oct
2021
31 Oct
'21
6:03 a.m.
It might be the Mikra-D MD-2040 1702 programmer. Similar to the MD-2044 on my website but
a parallel data interface (e.g., manual switches and lights) instead of a serial RS-232
interface. The 2040 is briefly mentioned in the .pdf file here:
https://deramp.com/downloads/eprom_p...kra-d/md-2044/
Mike
31 Oct
31 Oct
1:43 p.m.
There's a "Model 20..." on the silkscreen, but as luck would have it, the
roll-over standoff in the middle of the board goes through the rest of the number!
Thanks,
Jonathan
??????? Original Message ???????
On Sunday, October 31st, 2021 at 09:03, Mike Douglas via cctalk <cctalk at
classiccmp.org> wrote:
It might be the Mikra-D MD-2040 1702 programmer.
Similar to the MD-2044 on my website but a parallel data interface (e.g., manual switches
and lights) instead of a serial RS-232 interface. The 2040 is briefly mentioned in the
.pdf file here: https://deramp.com/downloads/eprom_p...kra-d/md-2044/
Mike
1 Nov
1 Nov
4:19 p.m.
Reformed the big capacitors, tested the power supply, replaced all electrolytics on the
control board (two were leaking) with hermetically sealed axial tantalums, and powered up
on the variac today. Seems to be largely working at least for reads!
Thanks,
Jonathan
??????? Original Message ???????
On Sunday, October 31st, 2021 at 16:43, Jonathan Chapman via cctalk <cctalk at
classiccmp.org> wrote:
There's a "Model 20..." on the
silkscreen, but as luck would have it, the roll-over standoff in the middle of the board
goes through the rest of the number!
Thanks,
Jonathan
??????? Original Message ???????
On Sunday, October 31st, 2021 at 09:03, Mike Douglas via cctalk cctalk at classiccmp.org
wrote:
> It might be the Mikra-D MD-2040 1702 programmer. Similar to the MD-2044 on my
website but a parallel data interface (e.g., manual switches and lights) instead of a
serial RS-232 interface. The 2040 is briefly mentioned in the .pdf file here:
https://deramp.com/downloads/eprom_p...kra-d/md-2044/
>
> Mike
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days inactive
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