From: dfevans@bbcr.uwaterloo.ca (David Evans)
Subject: [pups] roll-your-own-unibus boards?
Date: Tue, 20 Jan 2004 08:58:31 -0500 [thread overview]
Message-ID: <20040120135831.GB10019@bcr10.uwaterloo.ca> (raw)
In-Reply-To: <003801c3df20$2ad8baa0$eb8ca140@ca.sco.com>
On Mon, Jan 19, 2004 at 10:39:33PM -0800, Michael Davidson wrote:
> Several people have built IDE controllers for the QBUS.
>
> ftp://digital.dp.ua/DEC/ata/README.txt
>
This one even claims to have a Unibus variant!
> Yes, but assuming that you are only implementing programmed i/o
> there will be so little logic involved that you might as well just use
> discrete TTL.
>
I think that's what the above gizmo does. However, a DMA engine may not
be difficult with the appropriate FPGA.
--
David Evans dfevans at bbcr.uwaterloo.ca
Ph.D. Candidate, Computer/Synth Junkie http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo "Default is the value selected by the composer
Ontario, Canada overridden by your command." - Roland TR-707 Manual
next prev parent reply other threads:[~2004-01-20 13:58 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-19 23:38 Brad Parker
2004-01-20 0:35 ` Johnny Billquist
2004-01-20 6:39 ` Michael Davidson
2004-01-20 7:03 ` Ian King
2004-01-20 13:58 ` David Evans [this message]
2004-01-20 9:22 ` Jochen Kunz
2004-01-21 16:50 ` Brad Parker
[not found] <jkunz@unixag-kl.fh-kl.de>
2003-05-07 21:16 ` [pups] Tektronix 8560 with PDP-11/23 CPU running TNIX (UINX) Jochen Kunz
2003-05-07 21:32 ` Gregg C Levine
2003-05-08 21:03 ` David W. Talmage
2003-05-09 6:52 ` Jochen Kunz
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