Path: utzoo!utgpu!water!watmath!clyde!bellcore!rutgers!gatech!bloom-beacon!husc6!purdue!umd5!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.unix.wizards
Subject: Re: Emulex UD33 - DEC UDA50
Keywords: unibus disk adapters
Message-ID: <12655@mimsy.UUCP>
Date: 23 Jul 88 14:17:43 GMT
References: <1030@ndsuvax.UUCP>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 13

In article <1030@ndsuvax.UUCP> ncbergst@ndsuvax.UUCP (Troy Bergstrand) writes:
>We are running 4.3BSD Unix with no modifications to the uda or unibus code.

>We desired to put both the UD33 [a UDA50 emulator] and the UDA50 on the
>same unibus, Emulex tells us this should work, but it didn't. ...
>result was a hanging of the system on disk i/o. ...

I used to have a similar problem on a 780 with two UDA50s, and someone
at Bell Labs had one with an 8600 with three of them.  After installing
my driver (which is included with 4.3BSD-tahoe) the problem disappeared.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris