On Fri, Feb 22, 2008 at 7:43 AM, Patrick Finnegan
<pat at computer-refuge.org> wrote:
The KZQSA was the controller that generally was used to attach a SCSI
CDROM to a later model QBUS MicroVAX or VAX 4000. I seem to remember
posts on here indicating that you could also use it for a single SCSI
disk, and it mostly worked, as long as it didn't have >1 device on it.
Yes, it's useful to have a KZQSA if you want to boot from a SCSI
CD-ROM and install VMS.
I believe a KA655 (3800 / 3900) won't boot from a KZQSA, but a KA660
(4000/200) will.