Re: Apple //e Diagnostic ROM board

[quadrajet1@aol.com (Quadrajet1)]

>I came across a board from Apple that has "Apple Diagnostic ROM" stamped
>on the
>board. It has a switch on the board with a red handle. also has 3 large
>chip
>slots and two of the slots have Apple 077-0018 and 077-0019 chips in.The
>slot
>in the middle has no chip in. It also has a lot of other smaller chips on
>the
>board.
>Any idea of what this is exactly and what it was for?  The date on the card
>under the Apple logo and name is 1982. Thanks for any information.
>Walt 

    How many more do you want?  I have about 8 of them left.  It is a
diagnostics card for the Apple //e.  Plug it in, turn on the machine, and there
is a menu of tests you can run.  Tests RAM, ROM, IOU, MMU, keyboard, video,
sound, etc....

Raymond