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e. Integrated Ethernet controller
If an RXE-100 is attached, the order is:
a. CD-ROM
b. Disk drives
c. Integrated SCSI devices
d. x450 PCI-X slots (1, 2, 6, 5, 3, 4)
e. RXE-100 slots (A5, A6, A3, A4, A1, A2, B6, B5, B3, B4, B1, B2)
f. Integrated Ethernet controller
3.1.4 Broadcom Gigabit Ethernet controller
The x450 offers a dual Gigabit Ethernet controller integrated standard in the
system. The x450 includes a single-port Broadcom BCM5704 10/100/1000
BASE-T controller on a PCI 64-bit 66 MHz bus.
The BCM5704 supports full and half-duplex performance at all speeds
(10/100/1000 Mbps, auto-negotiated) and includes integrated on-chip memory
for buffering data transmissions, and dual onboard RISC processors for
advanced packet parsing and backwards compatibility with 10/100 devices. The
Broadcom controller also includes software support for Wake on LAN, failover,
layer-3 load balancing, and comprehensive diagnostics.
Category 5 or better Ethernet cabling is required with RJ-45 connectors. If you
plan to implement a Gigabit Ethernet connection, ensure your network
infrastructure is capable of the necessary throughput to match the server's I/O
capacity.
Adapter teaming
The Broadcom controller is capable of participating in an adapter team for the
purposes of failover, load balancing, and port trunking. The choice of adapters to
team with the onboard controller depends on whether you have a copper-only
network or a mixed copper/fiber network. Our recommendations are:
If you have a copper Gigabit environment, use the Broadcom-based
NetXtreme 1000T Ethernet adapter, part 31P6301. Alternatively, use the Intel
PRO/1000 XT Server adapter, part 22P6801. However, this may only be
supported in specific slots. See the following for details:
http://www.pc.ibm.com/us/compat/x450/ibm_22P6801.html
If you have a mixed fiber/copper Gigabit server switch network, use the
Broadcom-based 22P7801, NetXtreme 1000 SX Fiber Ethernet adapter.
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Chapter 3. Planning
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