IEEE-488 interface and Commodore Pet

From: John Honniball <>
Date: Tue Sep 11 09:09:56 2001

On Mon, 10 Sep 2001 19:55:38 +0100 (BST) Tony Duell
<> wrote:
> Which IBM IEEE card? There are at least 2, and they are totally
> different. I was given an IBM IEEE488 card which uses a pair of 9914
> chips (one for data transfer, one to send commands, I think). The one in
> the O&A Techref is based round a NEC 7210 chip.

My Brain Boxes card has a 7210 chip, plus the two IEEE bus
buffer chips and a bunch of PALs, buffers, etc. for the ISA
bus. There are six DIP-switches for the base address and
mode, plus some jumpers for IRQ and DMA settings.

John Honniball
University of the West of England
Received on Tue Sep 11 2001 - 09:09:56 BST

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