Re: Another mystery card (to me at least)

["Bill Garber" <willy46pa@comcast DOT net>]

"Brian A. Davis" <brian-list-member@rogers.com> wrote in message
news:brian-list-member-52439D.20231524082004@nntp.bloor.is.net.ca
ble.rogers.com...
: In article <MPG.1b9561f6a3d28e9a989680@news.individual.de>,
:
: Hi Robert;
:
: The card you have is a 16k EPROM/CMOS memory expansion card. It
was
: manufactured by IBS Computertechnik in 1984. The catalog
product number
: was AP8.
:
: The card can use the CMOS memory chips that are installed on
your card,
: or EPROM chips for user programs. The three batteries allowed
the CMOS
: to be used as permanent (as long as the charge lasted) storage.
:
: The 16k is in parallel to the ROM and I/O area and is
overlayable with
: the use of bank select softswitches. The address space is
divided into
: four areas that can be individually selected. There is also an
autostart
: function so you could boot from the card on power up.
:
: I think I have the schematic for the card in my A2 archives. If
you
: would like, I can check.

I would love that schematic.  Thanks.

Bill @ GarberStreet Enterprizez };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa @ comcast DOT net
Change DOT to a dot to contact me



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