HP-UX 11i Version 1 Installation and Update Guide, June 2003

Configuring Built-In PCI Networking
PCI 10/100Base-TX and 100Base-FX/9000
Appendix D 199
PCI 10/100Base-TX and 100Base-FX/9000
The following subsections apply to the PCI 10/100Base-TX and
100Base-FX/9000 network cards. The information on the
100Base-FX/9000 (fiber) card is only applicable to the V-class server.
The PCI 10/100Base-TX and 100Base-FX/9000 products interface
various types of HP servers and workstations to either a 10Base-T,
100Base-TX, or 100Base-FX network. The same card port that supports
100Base-TX operation can also support 10Base-T operation.
The category-5 UTP cable used in 100Base-TX networks between devices
such as an HP computer and a 100Base-TX hub must be less than 100
meters long.
For more information on network topologies and associated specifications
for 100Base-TX networking, refer to the IEEE 802.3u specification. Also,
a useful practical reference is Fast Ethernet, Dawn of a New Network by
Howard W. Johnson (published 1996 by Prentice Hall PTR, Upper Saddle
River, New Jersey 07458. Phone [phone]. The ISBN number is
0-13-352643-7).
Compatibility and Installation Requirements
The limits of the current PCI 10/100Base-TX and 100Base-FX/9000 are:
• The PCI 10/100Base-TX/9000 card supports autonegotiation and
autosensing. You should not normally need to manually configure the
speed, autonegotiation, or duplex mode of the card. If your switch
does not support autonegotiation but is set to full-duplex mode, there
may be a mismatch between the card and the switch, because the
card defaults to half-duplex for switches that do not support
autonegotiation. You can determine what the card is set to using
lanadmin -x and reset it if necessary using lanadmin -X. See
“Manual Speed and Duplex Mode Configuration” on page 203 for
details.
By default, autonegotiation is on.
If you manually set the speed and duplex mode of the Base-TX card,
autonegotiation will be turned off.