Date: Wed, 26 Aug 1998 17:00:31 -0700 (PDT) From: Alex <garbanzo@hooked.net> To: "Robert D. Keys" <bsdbob@seedlab1.cropsci.ncsu.edu> Cc: Terry Lambert <tlambert@primenet.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: PS/2 MCA Model 80 port --- (don't laugh too hard) Message-ID: <Pine.BSF.4.00.9808261658420.233-100000@zippy.dyn.ml.org> In-Reply-To: <199808261329.JAA23923@seedlab1.cropsci.ncsu.edu>
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On Wed, 26 Aug 1998, Robert D. Keys wrote: [...] > As a general premise.... maybe the port should use the standard IBM > scsi-1 controller, the 3c523 card, and scsi tape (I don't have any > info on the IBM 6157 (Cypher) tape drives or adapters. I do have a > Future Domain mca scsi controller, though, that I could use. Well, what about the old Adaptec SCSI adapter? I'm thinking that might be easier, because IIRC it's just a 1542 (whatever chip that uses) with MCA stuff around it. > OK, any info is appreciated. All I have are the minix and linux sources > and patches to work with, and some snippets of boot code from an old > dead 4.3BSD port to a hybrid RT-PS/2 that never made it in the real world. > I am expecting that between all of those bits and pieces, it should be > possible to get something to come up. The interrupt handling seems > to be the main thing, the A20 line handling, and some wierd adapter > probing. There was some NetBSD work at getting MCA support, the URL I have is: http://www.epcc.ed.ac.uk/~st/netbsd-mca.html dunno if it's still alive. - alex | "Contrary to popular belief, penguins are not the salvation of modern | | technology. Neither do they throw parties for the urban proletariat." | | Powered by FreeBSD http://www.freebsd.org/ | To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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