Subject: Re: NetBSD-1.2/pmax questions?
To: None <andy%aonix.com@zk3.dec.com, port-pmax%NetBSD.ORG@zk3.dec.com>
From: Sean Davidson <davidson@crshit.zk3.dec.com>
List: port-pmax
Date: 01/02/1997 08:59:54
>Hi.
>
>I'm mailing to this list rather than the install one, coz these seem like 
>DEC-specific questions to me, apologies if this is the wrong thing to do...
>
>I recently installed NetBSD 1.2 on a 3MIN, and everything went surprisingly
>(to me, anyway) well.
>
>But...
>
>
>I get a _lot_ of 'scc1,0:silo overflow' messages when running the serial
>port with pppd @ 38k4, although nothing seems too adversely affected
>by this. I've tried experimenting with the mtu/mru size, but this
>doesn't seem to make much difference, the silo still overflows.
>
>I was hoping that using a smaller mtu/mru would improve overall 
>throughput as any packets that needed to be re-sent would be smaller. 
>Any comments? Is this improved in the later snapshots? Do I need a 
>faster machine and/or more memory?
>

I think this is due to fact that the hardware wasn't really designed
to go over 19.2k.

>
>Errr, should the built-in RRD42 CDROM drive work? It's recognised at
>startup and doesn't conflict with anything else, I just can't seem to
>mount anything.... Am I correct in trying to use this as a 'rz'
>device and mounting it readonly? (couldn`t see anything in MAKEDEV
>that gave me any clues) Will this use the ISO 9660 support?
>

Yes it works and if you want to mount and ISO 9660 disk you need to mount
/dev/rz4a but you can't mount ufs (ULTRIX file system) CDROM's.

	mount -r -t cd9660 /dev/rz4a /mnt

>
>By the way, did I forget to mention that overall I was extremely 
>impressed with NetBSD so far? I believe I did. Congrats everyone! :)
>Certainly far easier than installing a number of versions of "real"
>Unix I can think of off-hand...
>
>I'd also like to volunteer to expand the current install guide a
>tad, someone new to BSD might not know the format of 'fstab' and the
>like... ;)
>
>
>Regards,
>
>AS