Very interesting post. Suddenly I realize there is another fly in the ointment
besides part and hardware obsolescence: the operating system. I wonder what
Drake used. Was it Dos, CP/M, or what? Also what is the data format? Im curious.
-- Original message --
From: Jim
David Stinson [EMAIL PROTECTED] made an utterance to the drakelist gang
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I did a little reading in the TR-7 service manual.
U9003's job is to watch the BCD codes
when you push the up and down buttons
and to disable them when
David Stinson [EMAIL PROTECTED] made an utterance to the drakelist gang
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- Original Message -
From: [EMAIL PROTECTED]
Subject: Re: [drakelist] U9003 DR-7 PROM Chip- Copy?
I wonder what Drake used. Was it Dos, CP/M,
MICHAEL TALLENT [EMAIL PROTECTED] made an utterance to the drakelist gang
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I have some 82S129 and the Fairchild equivalent 93427 and a Data I/O 22A
programmer that can program most all the bipolar proms, if someone can send
me
Came out of a TR4CWRIT
Noise Blanker
$100 plus shipping
Kevin
[EMAIL PROTECTED]
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