Subject: Re: NetBSD netbooting on Sun problems.
To: Ian Dall <Ian.Dall@dsto.defence.gov.au>
From: Kevin P. Neal <kpneal@pobox.com>
List: port-sun3
Date: 04/08/1997 01:13:16
At 12:04 PM 4/8/97 +0930, Ian Dall wrote:
>This should be OK but just might a bus termination problem. ie if the
>termination at the far end is unpowered it could put the bus into a
>state where the voltages are neither high nor low. If your termination
>gets its power from the SCSI bus, and the Sun provides TERMPWR, then
>it should all work even with the devices off, but some suns (3/50's at
>least) don't conform to the SCSI spec wrt to termination. I don't
>remember the details, but I got out a soldering iron and fixed mine.

The termination power line coming out of the 3/50 and 3/60 is grounded.

Unsoldier it and have termination power supplied by one of your devices.
--
XCOMM Kevin P. Neal, Junior, Comp. Sci.     -   House of Retrocomputing
XCOMM  mailto:kpneal@pobox.com              -   http://www.pobox.com/~kpn/
XCOMM  kpneal@eos.ncsu.edu         " *** StarDOS makes great coffee! ***"
XCOMM From a mid-80's advertisement in "Compute's GAZETTE", a C64/C128 mag