AW: AW: [OpenBIOS] OT: Bios access speeds
Stephan Müller
stephan_mueller at gmx.net
Fri Apr 30 18:46:44 CEST 1999
> -----Ursprüngliche Nachricht-----
> Von: owner-openbios at elvis.informatik.uni-freiburg.de
> [mailto:owner-openbios at elvis.informatik.uni-freiburg.de]Im Auftrag von
> Matthias Wächter
> Gesendet am: Freitag, 30. April 1999 15:12
> An: openbios at 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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