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Re: JMR Floppy disk controller

Subject: Re: JMR Floppy disk controller
From: Wayne Stewart <waynes@intergate.bc.ca>
Date: Mon, 20 Aug 2001 18:30:06 -0700
Newsgroups: comp.sys.apple2
Organization: Posted via Supernews, http://www.supernews.com
References: <3B70C174.DA0CEA9@intergate.bc.ca> <9ll8ko$51l$1@venus.itns.co.za>
Xref: archiver1.google.com comp.sys.apple2:12522


Stephen Shaw wrote:

> Very possible it is a reverse engineered Disk II controller. Can you give us a
> list of what 74 series chips are on it?

74LS109
74LS86
74LS00
74LS08
74LS163
74LS32
74LS10
74LS155
74LS05
74LS00
74LS112
74LS04
74LS02
MPQ2906
NE556
74LS259
74LS323
74LS125
That's a heck of a lot of chips to replace a Disk II card with..

    Wayne

References:
- JMR Floppy disk controller
  - From: Wayne Stewart <waynes@intergate.bc.ca>
- Re: JMR Floppy disk controller
  - From: Stephen Shaw <xstephenx@apple2.org.za>

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