IBM RS/6000 7043 43P Series Service Manual page 199

Selecting option 1 (3Com,3C905) displays the following 100Mb Ethernet
configuration menus:
3Com Etherlink Fast XL
1. Media Type [Auto]
2. Full Duplex [Auto]
Selecting the Media Type option allows you the change the media employed by the
Ethernet adapter:
.----------------.
| MEDIA TYPE
| 1. 1 BaseT
| 2. 1
| 3. Auto
----------------'
.------.
|X=Exit|
------'
|
|
Base TX |
|
Chapter 7. System Management Services
7-39