port-macppc/59080: BM ethernet autoselect doesn't work; needs to bet set to 100basetx

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>Number:         59080
>Category:       port-macppc
>Synopsis:       BM ethernet autoselect doesn't work; needs to bet set to 100basetx
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    port-macppc-maintainer
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 16 18:35:00 +0000 2025
>Originator:     Chris Tucker
>Release:        10.1
>Organization:
>Environment:
netbsd macppc 10.1 standard uname.
>Description:
Autoselect for the BM ethernet driver doesn't work (on my Blue-and White G3 at least.)

BM must be set to 100baseTX to function correctly.

>How-To-Repeat:
Standard install configures BM0 to autoselect by default. In installer and regular OS.
>Fix:
issue command:
ifconfig bm0 media 100baseTX

Perhaps modify default settings for this driver to use 100baseTX rather than autoselect.

Or adjust whatever is wacky with autoselect so that it works properly.