[sebhc] Re: H-89 diagram for same? need for I/O port IDE Select

Mark Garlanger garlanger at gmail.com
Wed Sep 20 01:39:14 CDT 2006

Hi Bill,

   I have an H-88A operation manual that includes both the schematics
and an illustration booklet that I could let you borrow. They do
include the hard-sectored floppy, serial i/o, and cassette boards, but
not the H-89-67 controller. Once you get this working, I'd be very
interested in getting a board.


On 9/19/06, bill malcolm <wm65805 at hotmail.com> wrote:
> Hi:   Question.
> 1.  Is there a diagram for the H-89 ?
> 2.  I would like change to Alt boot device  aka  h-67 one to  serve as IDE
> select .
> 3.  The ide would need more selects then the  H-67 < aka SCSI> provides
> therefore the port decode chip addressing needs to be changed.
> Any suggestions?
> bill ..
> --
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