-----Ursprüngliche Nachricht----- Von: owner-openbios@elvis.informatik.uni-freiburg.de [mailto:owner-openbios@elvis.informatik.uni-freiburg.de]Im Auftrag von Matthias Wächter Gesendet am: Freitag, 30. April 1999 15:12 An: openbios@elvis.informatik.uni-freiburg.de Betreff: Re: AW: [OpenBIOS] OT: Bios access speeds
On Fri, 30 Apr 1999, Stephan Müller wrote:
You can take a small ISA-prototype-card and a address-decoder (e.g. 74HC245).
Sorry, the 74HC245 is no address decoder, it's an 8 bit parallel buffer driver (usually used for the data bus).
Hm, what else is used? I can only see this 74245 everywhere... :)
With these 2 things you can connect a flash/eprom/prom/whatever to a specific location in the system-memory (first 16meg, i think on isa-bus)
You will need a real address decoder for that. If size is the problem, use a GAL.
or so. :)
CyA, Stephan
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