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 ." <[email protected]> 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? >
