ordering of ports on Promise PDC40718 SATA300 controller

Rick C. Petty rick-freebsd at kiwi-computer.com
Mon May 8 18:35:41 UTC 2006

What determines the probing order of the ports/channels on the PDC40718
(Promise TX4 SATA300 controller)?  The SATA ports are labeled "Port 1"
through "Port 4".  I have a total of four of these cards, and all of
them repeatably probe out of order:

label	reported in FreeBSD
------	-------------------
Port 1	<ATA channel 3>
Port 2	<ATA channel 1>
Port 3	<ATA channel 0>
Port 4	<ATA channel 2>

Has anyone else noticed this with these cards?  What can I do to fix it?
I'm running both 6.0-RELEASE and RELENG_6_1 as of 2006-May-07.

-- Rick C. Petty

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