Re: 901885-04 (fwd)

From: William Levak (
Date: 1999-06-23 06:07:34

On Tue, 22 Jun 1999, Ruud Baltissen wrote:

> But I also have an 8250LP, with the small drives, and this one has a piggy-back 
> print which replaces the original IC. This print contains a 901885-04. a 74LS04 
> and a 2736-EPROM. Onboard is also the possebility to choose a 2716.

This makes sense.  The ROM in the 6530 contains the code to operate the
drive mechanism.  A different drive mechanism requires changes to the ROM.
The cheapest way to do this for a small number of units would be a device
such as you have described.

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