Date   : Fri, 04 Aug 1989 23:20:52 GMT
From   : morris@jade.Berkeley.EDU (Mike Morris)
Subject: Hard Sectors????

(Marcus S. Lewis) writes:

>system is a Micropolis-based machine, 16-sector, 77 tracks,
>SSQD, 315K per disk.  It doesn't have a whole lot, since I
>have never managed to get a serial port to cuntion with the 
>odd system clock I have on the CPU (1.8432MHz - most S100
>systems demand a 2 MHz clock for a serial port).
>
The 1.8432 is a magic number for one of the older baud reate generator chips -
a motorola I think.  You might want to check the data books.

>Actually, as late as three years ago, you could have gone to a
>Heathkit store for conversion.  A lot of them had -89's with 
>two controllers in them.  One of his options is to add a second
>disk controller (soft-sectored, of course), which will give him
>a bit more storage to boot.  So I misspoke.  There are some options.

A friend of mine has a Z89 with one controller and he can boot it either way.
The hard/soft distinction is in the BIOS, and that's on the system tracks.


Mike Morris
UUCP: Morris@Jade.JPL.NASA.gov
#Include quote.cute.standard   | The opinions above probably do not even come
cat flames.all > /dev/null     | close to those of my employer(s), if any.