
Apple II Computer Info
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### FILE : mcmultifunc
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### Created : Sunday, January 14, 1996 Modified: Sunday, January 14, 1996
### File Type: "TEXT" File Creator: "LMAN"
### File Size: 1602 bytes 1 KB
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Path: news.uiowa.edu!chi-
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Newsgroups: comp.sys.apple2
Subject: Re: want help with Mountain multifunction card
Date: 12 Nov 1995 12:58:20 +1100
Organization: University of Wollongong, NSW, Australia.
Lines: 26
NNTP-Posting-Host: wraith.cs.uow.edu.au
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> > Subject: want help with Mountain multifunction card
> > Date: Sun, 15 Oct 95 03:40:33 GMT
> RJ> I would like to get help with using a Mountain Computer
> > multifunction card. If anyone has experience, or better
> > yet documentation, please let me know. I can't puzzle out
> > how to address the serial port, the parallel port, or the
> > clock. Thanks for any help.
The memory map is as follows:
Cn00-CnEF 8x 240 byte ROM banks
CnF0-CnF7 32x 8 byte battery backed up RAM banks
CnF7 I/O select default (Bank 0 only) (I7..I1, bit 0 unused)
CnF8 RAM/ROM select (RAS4,RAS2,RAS1,RAS0,RAS8,ROS2,ROS1,ROS0)??
CnF9 Clock Data I/O Para SP Status
(Spare,+OBE,-,-,+CD4,+CD2,+CD1,+CD0)??
CnFA/B Serial chip (INS2651)
CnFC I/O Select Mapper (+I07..+IO1,-)
CnFD Parallel Data Out
CnFE Clock Address & Control (MSM5832), Serial Control
(+SCR,+CH,+CW,+CR,+CA4,+CA2,+CA1,+CA0)??
CnFF not used
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Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 277 of 572
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