[sebhc] RE: H8 tapes for Dave - archiving tapes?

[Carroll Waddell]

Dwight K. Elvey wrote:

>Hi Carroll
> You can probably run both boards. The HDOS does
>go out and check to see which board you have. I
>don't know if there is any order or if it is just
>which board the HDOS finds first. You might experiment.
> I've not looked at the CP/M. I'd expect it to be configuable.
>You should jumper the H8-5 for something less than
>9600. Because of what we were seeing with the image
>transfer program, I'd say it was running right on
>the edge. I'm thinking of adding an option to set the
>baud rate for those that only have fussy H8-5's to
>talk to.
> For those that are expecting to put the CP/M on their
>system, you'll need a system with the XCON8 and the Z80
>board or there was a memory mapping board that went
>into the last slot that would allow zero mapped memory.
> Does anyone have the schematic for that card ( I forget
>what it is called )?
>Dwight
>
>
>  
>
>>From: "Carroll Waddell" <CarrollWaddell at sc.rr.com>
>>
>>Just looking over some old emails.
>>On my H8, I have both an H8-4, H8-5, and H17 controller. I can run CP/M, 
>>HDOS, or tape software. The only thing I have to do is connect the H19 
>>terminal to the H8-5 board for tape software, or to the H8-4 board for 
>>disk software.
>>Carroll
>>
>>Lee Hart wrote:
>>
>>    
>>
>>>Dwight K. Elvey wrote:
>>> 
>>>
>>>      
>>>
>>>>I remember that you can have the tape card or the floppy
>>>>card but not both because of a port overlap. This should
>>>>be similar for the H8.
>>>>   
>>>>
>>>>        
>>>>
>>>Heath had two I/O decoder ROMs for the H89. The early one (444-43)
>>>decoded I/O addresses for the hard-sector controller board (H88-1),
>>>3-port serial board (H88-3), and the cassette board (H88-5).
>>>
>>>The later one (444-61) decoded I/O addresses for all 4 disk controller
>>>boards (H17, H37, H47, and H67) and the 3-port serial board, but *not*
>>>the cassette board.
>>> 
>>>
>>>      
>>>
>
>
>--
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>
>  
>
The board was the XCON8 extended configuration board. It lets me run 
with the 8080 board.
CEW