19 Mar
2009
19 Mar
'09
12:54 a.m.
Hi Josh
Your post spured me to look at my 21mx. It does have the
battery option. I fought this until someone gave me the
needed clue.
I inventories my I/O boards. Besides the DCPC board at
the top, I have:
13037-60023 interface board
5985-60013 Relay output board
12566-8024 ground true In/Out board ( 16 In/Out )
12531-80025 HS terminal C
12531-80025 Buffered TTY Reg
And a number of jumper boards
The interface board is to go with the disk controller
and hard disk. I regret I don't have either of these.
Looking at the documents, it wouldn't be too hard
to create a IDE conveter for it. One would need
a small uP to do the needed control functions.
Although the buss is 16 bits a 8 bitter would be enough
to do control.
I have the boot ROMs for the disk and the terminal.
Dwight
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