[sebhc] Hard-sectored disks

[Barry Watzman]

No, NorthStar computers used the same 10-sector media as Heathkit computers.


-----Original Message-----
From: sebhc-bounces at sebhc.org [mailto:sebhc-bounces at sebhc.org] On Behalf Of
Lee Hart
Sent: Thursday, February 08, 2007 23:17 PM
To: sebhc at sebhc.org
Subject: Re: [sebhc] Hard-sectored disks

From: Glenn Roberts
>the Apple II used 16 hole hard sectored disks.  I presume it would at least

>be a major undertaking to get these to work on Heath hard sectored setups. 
>At a minimum it would seem to require a rewrite of the H17 ROM.

It did? I always thought Apple II disks were soft sector, though the
recorded data format was unusual (not FM or MFM, but rather pulse width
encoding).

Northstar computers used 16-hole hard sectored disks. 

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