5 Jun
2016
5 Jun
'16
8:12 p.m.
Bill,
Thanks, nice little site you made there. I also lack the correct ribbon
cable, so it seems my mod will use a plain gray ribbon.. and so long as
it's installed correctly, that should be just fine. ;-)
Thing is, it still doesn't answer my main question.. Your expansion accy.
is screened 'ETA-3400' and mine is screened 'EWA-3400'.
They seem to share the same board & components, so why the two different
marks - is there any material difference? I see that yours has some
switches on the front panel, but I assume that those are for your custom
serial comms. mod.
On Sun, Jun 5, 2016 at 7:39 PM, william degnan <billdegnan at gmail.com> wrote:
http://www.vintagecomputer.net/browse_thread.cfm?id=553
Here are my notes.
Bill Degnan
twitter: billdeg
vintagecomputer.net
On Jun 5, 2016 8:06 PM, "drlegendre ." <drlegendre at gmail.com> wrote:
Which is the correct model number for the I/O
& memory accessory for the
Heath ET-3400(A) trainers?
I see ETA-3400 and ETW-3400 used interchangeably. For instance, the d/l
manuals refer to the unit as ETA-3400 but many (most?) units, mine
included, are screened ETW-3400 on the case.
Anyone know what gives with this? Are there actually two different models
or revisions, as with the ET-3400 and ET-3400A?
Also, is there a way to tell if a Heath piece is factory-built? My
recently-acquired ETW/A-3400 has a board which almost +must+ have been
wave
soldered and washed. It has no traces of
home-assembly. Likewise, the
rest
of the build is top-notch and looks like factory
work..
Thoughts?
PS Still need a 2x20 header (like 40pin IDE) to complete this project.
Anybody got a spare?