[Techtoolslist] Old test equipment kits...Alpha's IC tester.

[Rodger Boots]

It's very unlikely that program code was in RAM, get power to RAM
straightend out first  before panicking.
On Sep 7, 2012 5:36 PM, "John Robertson" <jrr at flippers.com> wrote:


> John Robertson wrote:

>

>> Dave Caroline wrote:

>>

>>> On Fri, Sep 7, 2012 at 9:03 PM, John Robertson <jrr at flippers.com> wrote:

>>>

>>>

>>>> John Robertson wrote:

>>>>

>>>>

>>>>> I just received an interesting piece of late 80's technology. An

>>>>> in-circuit Digital IC tester (kit). Made by Alpha it is a Z80 based

>>>>> tester

>>>>> that clips over the IC in question and lets you know if it is working

>>>>> correctly. I suspect it is not unlike the Bug-Trap (HP) Logic

>>>>> Comparator.

>>>>> You need to key in the logic table for each IC that you wish to test

>>>>> (up to

>>>>> 24 pin), and it stores these in non-volatile RAM.

>>>>>

>>>>> Seems to work and I shall post the manual, Eprom, and stored RAM

>>>>> (Dallas)

>>>>> eventually to TTL's FTP.

>>>>>

>>>>> Originally published in Radio-Electronics in November and December

>>>>> 1987 as

>>>>>

>>>>>

>>>>

>>> One has to ask, was the source in the article :)

>>>

>>> Dave Caroline

>>>

>>>

>>>

>>

>> Ah, no, that would be 'easy' - the code was only in the battery backed up

>> RAM. (background sound of person kicking self around the room)

>>

>> It also appears that Mr. Green may have died - am checking with another

>> author who mentions a Bill Green from Radio-Electronics and Popular

>> Electronics as the 'late Bill Green'.

>>

>> John :-#(#

>>

>>  Unfortunately it has now been confirmed that Bill Green has died. I just

> received the following note in response to asking about Bill:

>

> /Yep.. Bill is no longer with us.

> I would be the only keeper of the grail...

> However, I don't have one of those or the code./

>

>

> So, now to find one of these machines that still works...right...

>

> John :-#(#

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