On Tue, 29 Aug 1995 11:16:48 +0100 (BST) 
 Scott Telford <st@epcc.ed.ac.uk> wrote:

 > According to SunOS 4's /sys/sundev/swreg.h, (which looks suspiciously
 > similar to sireg.h) it's an NCR 5380, like the "si".

Yah ... I asked a friend who used to work at at Sun about the `sw'.  That's 
what he told me.  In fact, he said it was more or less identical except 
for the DMA stuff, and the DMA stuff was more or less identical to that 
on the Sun 3/50 (no wonder they called it `SCSI Weird' :-).

Well, given that our `si' driver doesn't do DMA yet, I decided stay up 
for a while last night and hack si.c.  The resulting file and files.sparc 
change was sent off to someone to try out ... I haven't heard back from 
him yet.

If anyone else with a 4/110 wants to try it, send me an e-mail.

(It was worth a shot, anyway :-)

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Jason R. Thorpe                                       thorpej@nas.nasa.gov
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