From: Sean Walmsley (sean.p.walmsley@opg.com)
Date: Wed Jul 03 2002 - 14:07:20 EDT
Original question:
> Can anyone tell me what the PCI slot probe order is on the
> SunFire V880 server? There is a nice infodoc (27243) on the
> probe order for the E450 (partially included below), but I
> haven't been able to find anything similar for the V880.
I determined the following by completely stuffing the V880 with
IO boards and looking at the resulting controller assignments:
SLOT PCI-UPA PCI PROBE CARD
NUM BRIDGE BUS ORDER CONT ADDRESS DESC
---- ------- --- ----- ---- --------------------- ------------
Int 0 B 1 c0 .../pci@8,700000/scsi@1... Internal SCSI (DVD, tape, etc.) always c0
Int 0 A 2 c1 .../pci@8,600000/SUNW,qlc@2... Internal Fibre Channel controller always c1
8 1 C 10 c9 .../pci@9,600000/pci@1... TOP SLOT, 33/66 Mhz
7 1 C 11 c10 .../pci@9,600000/pci@2... 33/66 Mhz
6 1 D 7 c6 .../pci@9,700000/pci@2... 33 Mhz
5 1 D 8 c7 .../pci@9,700000/pci@3... 33 Mhz
4 1 D 9 c8 .../pci@9,700000/pci@4... 33 Mhz
3 0 B 3 c2 .../pci@8,700000/pci@2... 33 Mhz
2 0 B 4 c3 .../pci@8,700000/pci@3... 33 Mhz
1 0 B 5 c4 .../pci@8,700000/pci@4... 33 Mhz
0 0 B 6 c5 .../pci@8,700000/pci@5... BOTTOM SLOT, 33 Mhz
i.e. the PCI slot probe sequence is:
int SCSI, int FCAL,3,2,1,0,6,5,4,8,7
Thanks to Mark Hargrave <hargrme@wisdom.maf.nasa.gov>
who suggested that I try:
/usr/platform/`uname -i`/sbin/prtdiag -v | more
Which provides a bunch of useful information.
Thanks also to David Foster <foster@dim.ucsd.edu> who
suggested inspecting the pcia/b-probe-list openboot
variables via:
$ eeprom | grep pci
pcia-probe-list=1,2
pcib-probe-list=1,3,2,4,5
Unfortunately, the V880 doesn't seem to support these
variables. I wish it did since I could then set the probe
order and guarantee that adding IO boards over a reinstall
wouldn't change controller assignments.
===============================================================
Sean Walmsley, Nuclear Analysis Dept., Ontario Power Generation
sean.p.walmsley@opg.com 416-592-4608 (V) 416-592-5528 (F)
700 University Ave (H11 G26), Toronto, Ontario, M5G 1X6, CANADA
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