imsai 2

From: Allison J Parent <>
Date: Tue Aug 17 19:57:06 1999

<Several S-100 manufacturers who were still at it in the mid-80's had
<regulated +5V on the S-100 backplane. Those who wanted to use their
<older S-100 cards in such a machine just jumpered across the 7805's and

More commonplace was the use of constant Voltage transformers or simple
preregulation so the +8 really was +8 and not +12 when lightly loaded.

Received on Tue Aug 17 1999 - 19:57:06 BST

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