Now that the dust about hanging pmax'es have settled, I'd like to give
some kudos to Toru Nishimura for bringing the MI SCSI driver into the
pmax world (at least the 5000 part of it), cf:


Copyright (c) 1996, 1997, 1998, 1999, 2000
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 1.4T (S2) #0: Thu Feb 24 22:20:52 CET 2000
    erik@sockdev.uni-c.dk:/usr/src/sys/arch/pmax/compile/S2
DECstation 5000/133 (3MIN)
total memory = 32768 KB
avail memory = 28288 KB
using 435 buffers containing 1740 KB of memory
mainbus0 (root)
cpu0 at mainbus0: MIPS R3000 CPU Rev. 3.0 with MIPS R3010 FPC Rev. 4.0
cpu0: 64KB Instruction, 128KB Data, direct mapped cache
tc0 at mainbus0: 12.5 MHz clock
ioasic0 at tc0 slot 3 offset 0x0
le0 at ioasic0 offset 0xc0000: address 08:00:2b:32:56:6f
le0: 32 receive buffers, 8 transmit buffers
le0: supplying EUI64: 08:00:2b:ff:fe:32:56:6f
scc0 at ioasic0 offset 0x100000
scc1 at ioasic0 offset 0x180000
mcclock0 at ioasic0 offset 0x200000: mc146818 or compatible
xasc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz, SCSI ID 7
scsibus0 at xasc0: 8 targets, 8 luns per target
sfb0 at tc0 slot 0 offset 0x0: 1024x864x8 console
scsibus0: waiting 2 seconds for devices to settle...
probe(xasc0:1:0): max sync rate 5.00Mb/s
sd0 at scsibus0 targ 1 lun 0: <DEC, RZ58     (C) DEC, 3000> SCSI2 0/direct fixed
sd0: 1317 MB, 2112 cyl, 15 head, 85 sec, 512 bytes/sect x 2698061 sectors
probe(xasc0:2:0): max sync rate 5.00Mb/s
sd1 at scsibus0 targ 2 lun 0: <DEC, RZ25     (C) DEC, 0900> SCSI2 0/direct fixed
sd1: 406 MB, 1476 cyl, 9 head, 62 sec, 512 bytes/sect x 832527 sectors
probe(xasc0:3:0): max sync rate 5.00Mb/s
sd2 at scsibus0 targ 3 lun 0: <DEC, RZ26     (C) DEC, T386> SCSI2 0/direct fixed
sd2: 1001 MB, 2570 cyl, 14 head, 57 sec, 512 bytes/sect x 2050860 sectors
probe(xasc0:4:0): max sync rate 3.90Mb/s
sd3 at scsibus0 targ 4 lun 0: <DEC, RZ56     (C) DEC, 0400> SCSI1 0/direct fixed
sd3: 634 MB, 1632 cyl, 15 head, 53 sec, 512 bytes/sect x 1299174 sectors
cd0 at scsibus0 targ 5 lun 0: <DEC, RRD42   (C) DEC, 4.5d> SCSI2 5/cdrom removable
IPsec: Initialized Security Association Processing.
boot device: sd0
root on sd0a dumps on sd0b
root file system type: ffs

I've not stress-tested it yet, but unless something horrible happens, I'll keep
the sd disk setup while keeping up to -current.

best regards
Erik Bertelsen