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- Path: gandalf.ee.htwm.de!tb
- From: tb@gandalf.ee.htwm.de (Thomas Beierlein)
- Newsgroups: comp.sys.m68k
- Subject: Re: Trouble with BD32
- Date: 21 Mar 1996 10:30:15 GMT
- Organization: HTW Mittweida (FH)
- Message-ID: <4irb3n$20i@strippe.htwm.de>
- References: <4iobit$olk@nixe.isar.net> <4iqvbm$5b2@news.univ-angers.fr>
- NNTP-Posting-Host: gandalf.ee.htwm.de
- X-Newsreader: TIN [version 1.2 PL2]
-
- Richard Perdriau (perdriau@lra.eseo.fr) wrote:
-
-
- : Well, I've just built that interface, and it doesn't work at all (I used TI
- : chips, and I don't understand why MOTOROLA chips should be used, provided they
- : belong to the same logic family). I've tried on 3 different PCs from 3
- : different brands.
-
- Thats because the chip is used in a strange manner. At some times both R and S
- are active. And its that state which is implemented different in Motorola and
- TI chips.
-
- There is a workaround, where you can use the TI chips, but than you need an
- additional logic chip ('00 if I remember well).
-
- Regards
- Thomas Beierlein
-
-