[vcf-midatlantic] Heathkit 3400's

Jonathan Gevaryahu jgevaryahu at gmail.com
Mon Nov 23 21:58:25 EST 2015


On 11/23/2015 9:31 PM, william degnan via vcf-midatlantic wrote:
> On Mon, Nov 23, 2015 at 9:19 PM, Jonathan Gevaryahu via vcf-midatlantic <
> vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
>
>> On 11/23/2015 8:21 PM, william degnan via vcf-midatlantic wrote:
>>
>>> I remember ~10 or so people got nice cheap mostly working Heathkit 3400's
>>> at VCF 10 last year.
>>>
>>> Anyone do anything with theirs?
>>>
>>> Someone today sent me a question through my web site about terminal
>>> settings for the 3400 monitor program, I pulled my 3400 system out and
>>> fired it up to test and confirm mine is 2400 7/n/2
>>>
>>> Was it Andy Welburn who asked you? Or someone else?
>> Andy has been working in the past few weeks restoring and fixing/repairing
>> an ETA-4000 (the rs232/BASIC/monitor add-on module for an et-4000) which
>> was missing among other things both of the code ROMs and even the address
>> decoder prom! He was able to figure out the prom contents based on the
>> eta-4000 manual and schematics, but still could use a dump from an actual
>> ETA-4000 to ensure that his guessed dump is correct.
>>
>> --
>>
> Yup.  We had a few back and forth messages.  I offered to dump RAM but I
> guess he got what he needed elsewhere.
>
> Anyone else?  I exhibited mine at VCF 2014
> b
>
Sorry, I keep calling it ET-4000 or ET-4000A or ETA-4000; the correct 
names are ET-3400, ET-3400A and ETA-3400.
Sorry again!

-- 
Jonathan Gevaryahu
jgevaryahu at gmail.com
jgevaryahu at hotmail.com




More information about the vcf-midatlantic mailing list