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78 IBM ^ xSeries 440 Planning and Installation Guide
If this power supply is not used, the RSA will draw power from the server as
long as the server is connected to a functioning power source.
9-pin Serial port, which supports systems management functions through null
modem or modem connections.
Ethernet port, which provides system management functions over the LAN.
As described in 3.2.1, “SMP Expansion Module connectivity” on page 74, in
two-chassis configurations (such as the 16-way), the Ethernet ports of the two
servers must be connected together either using a crossover cable or via a
100 Mbps Ethernet switch. The use of a switch is recommended if you also
wish to perform out-of-band management activities.
Advanced Systems Management (ASM) RS-485 Interconnect port to facilitate
advanced systems management connections to other servers.
For detailed instructions on cabling ASM interconnect networks, refer to
section 9.11 “ASM Interconnect” in the redbook
Integrating IBM Director with
Enterprise Management Solutions
, SG24-5388.
Note: The x440 does not include the necessary dongle to connect the
Remote Supervisor Adapter to an ASM interconnect bus using the RS-485
port on the adapter. Consequently, you will need the Advanced System
Management Interconnect Cable Kit (part number 03K9309) for connection to
an ASM interconnect network.
3.2.3 Remote Expansion Enclosure
The RXE-100 can be connected to the x440 to provide an additional six or 12
PCI-X slots to the server. Currently, only one RXE-100 is supported per x440
server or per 16-way two-node configuration.
The RXE-100 has six 133 MHz 64-bit PCI-X slots as standard and can accept
adapters with speeds ranging from 33 MHz to 133 MHz. With the optional six-slot
expansion kit (part number 31P5998) installed, the RXE-100 has 12 slots. Each
set of six adapter slots is divided into three buses of two slots each, as shown in
Figure 3-8 on page 79.
Note: When connecting the RXE-100 to a single x440 configuration, the
RXE-100 can have six or 12 PCI-X slots. When connecting the RXE-100 to a
16-way two-node configuration, the RXE-100 must have 12 slots.