Date : Mon, 01 Mar 1999 16:12:33 -0800 (PST)
From : Matt Callow <mattcallow@...>
Subject: Re: Micron EPROM Programmer
Hi,
I'm in the same situation. I recently obtained a Micron EPROM
programmer with no SW or docs. The only way I can think of getting it
to work is to trace the circuit from the PCB and then work out how it
works. The only problem is, the markings have been erased from the
ICs (presumably to prevent someone from doing exactly what I am trying
to do!)
If anyone has a Micron EPROM programmer and is prepared to open it up,
perhaps you could check the component markings and post the info here.
View of PCB (component side)
+------------------------------------------+
| +----------+ |
| | IC 6 | |
| o----------+ |
| |
| o-+ o-+ +-+ |
| | | | | | | |
| |I| |I| |I| |
| |C| |C| |C| |
| | | | | | | |
| +-+ |1| |2| |3| |
| |U| | | | | +-o |
| |S| +-+ +-+ |
| |E| +-+ |
| |R| | | |
| | | |I| |
| |P| |C| |
| |O| | | |
| |R| |4| |
| |T| +-0 |
| +-+ |
| +-+ |
| | | |
| |I| |
| |C| |
| | | |
| |5| |
| +-0 |
| |
| |
+------------------------------------------+
This is for the programmer with built in power supply (i.e. it doesn't
required batteries). The ICs that I can identify are:
IC1 74LS374N
IC2 74LS374N
IC6 TL497ACN
IC1 and IC6 are clearly identifiable on my board, and I'm pretty sure
of IC2. Any ideas on ICs 3,4 & 5 ???
Matt Callow
---Ben Jameson <ben@...> wrote:
>
> Hi,
>
> I've had for some time a 'Micron' EPROM programmer, apparently by HCR
> Electronics. It has a smallish black box with a gray front panel with
> of a 'prog/read' switch, an 'enable' LED, a (non-ZIF) 28 pin socket
and
> a series of dip switches. The unit plugs into the user port.
>
> Unfortunately I do'nt have the software that drives this device,
I've found
> some stuff on 'The BBC Lives' website but I think that it might be
for the
> Micron Plus programmer (did this plug into the 1MHz bus?). Also
there appears
> to be a manual for this unit on the website.
>
> Can anyone shed any light as to which software I need, or better yet
provide
> a copy?
>
> Thanks,
>
> Ben.
>
> --
> Ben Jameson - Cambridge - UK - mailto:ben@...
>
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