AIX PS/2 1.2.1

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Has anyone ever successfully used an IBM
6451-109 non-cached SCSI adapter card with the
AIX 1.2.1? I was able to use it with no problems
with AIX 1.2 with 1008PTF's. But it appears
broken now in 1.2.1. It does not even recognize
that I have the SCSI adapter in the machine. I
even went to the extreme by installing 1.2.1 on 
just the ESDI drive and then ran devices adding
the SCSI support then rebuilding the kernel. I
rebooted and ran minidisks, and still the machine
does not recognize my SCSI adapter and my SCSI HD.
Is there something special that I have to do to make
this work?

Also, when I did have 1.2.1 running on just the ESDI
drive, I accessed the 5-1/4 floppy, which seemed to
be only accessible through /dev/fd0, and when I got
an error from the 5-1/4 from whatever cause, it
reverted back to the 3-1/2 drive and in order to
use my 5-1/4 drive again, I had to reboot the system.
Is this really the way that this works? Or is there some
command that I have to run to switch between the
two drives that seem to share the same /dev mknod file?

Any help on either of the above 2 problems would be
most appreciated. Thanks in advance.


-- 
Tim H. White
INTERNET: whitey at innerdoor.austin.ibm.com
VNET: WHITEY @ AUSVMQ
Opinion's expressed do not necessarily reflect the views of my employer