Subject: Re: Old problem on SCSI? (regarding the VLC)
To: Chuck McManis <cmcmanis@mcmanis.com>
From: Anders Magnusson <ragge@ludd.luth.se>
List: port-vax
Date: 11/19/1999 16:15:29
> At 06:14 PM 11/10/99 -0800, Brian D Chase wrote:
> >The only non-MSCP devices supporting SCSI drives with DMA are the early
> >MV3100 and VS3100 models.  And then rhe VAXstation/MicroVAX 2000 have PIO
> >SCSI support.
> 
> Brian, should I parse this as "There is no support for the on-board SCSI
> device on the Vaxstation 4000/VLC" or "There is support, but depending on
> whether it looks like a 3100 or a 2000 that support may only be PIO vs DMA."
> 
> (I think its the former but wouldn't mind being wrong. Ragge? Michael?)
> 
There is a different chip on the 4000 machines than on the 3000 series,
therefore it is no support. I have fixed the framework for dealing
with the IOMMU stuff on 4000 machines, so it's only a small lead-time
to get it going.

-- Ragge