front panels

From: Yowza! <>
Date: Tue Feb 24 00:23:21 1998

On Mon, 23 Feb 1998, James Willing wrote:

> ...and the front panel on the Altair 8800b.
> It has function switches on the front panel that allow you to load or
> display the contents of the accumulator, and input/output directly to any
> I/O port.
> This little bit of magic done by code stored on a 1702 eprom on the front
> panel PC board, and some sequencer logic that forced it onto the processor
> data bus when the appropriate switches were hit.

I may be in the running to buy an 8800b turnkey model which (sigh) doesn't
have the nice front panel that you describe for the 8800b. Can you tell
me how the turnkey works? Does it have a ROM'd bootstrap loader? Will I
be able to program it if I don't have drives?

Received on Tue Feb 24 1998 - 00:23:21 GMT

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