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Ethernet Expansion Card (CIOv) for IBM BladeCente
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The Ethernet Expansion Card (CIOv) requires that a supported I/O module is installed in bay 3 and bay 4
of the chassis that the cards and servers are installed in. The supported I/O modules are:
Any IBM, BNT or Cisco Ethernet Switch Module (standard form-factor switch module)
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Optical Pass-thru Module
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Copper Pass-thru Module
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Intelligent Copper Pass-thru Module
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Popular configurations
This section shows two popular configurations using the Ethernet Expansion Card (CIOv).
Adding two extra Ethernet ports per blade server
Most often, the Ethernet Expansion Card (CIOv) is used to expand the number of Ethernet ports per blade
to increase network bandwidth. This is shown in Figure 3.
Figure 3. The Ethernet Expansion Card (CIOv) provides two extra Ethernet ports per blade server
The components used in this configuration are listed in Table 3.
Table 3. Components used when connecting the Ethernet Expansion Card (CIOv) to external Ethernet
network
Diagram
reference
Part number /
Machine type
Description Quantity
Varies IBM BladeCenter HS22 or other supported server 1 to 14
44W4475 Ethernet Expansion Card (CIOv) 1 per
server
Varies IBM BladeCenter E, BladeCenter H, or BladeCenter S* 1
Varies Any Ethernet-compatible switch module 1 or 2
*Note: The expansion card can be installed in servers in the BladeCenter S (8886). However, by doing so
you will lose the ability to connect to the BladeCenter S Disk Storage Modules (DSMs). The Ethernet
expansion card will go in the place of the SAS expansion card needed to connected to the DSMs. Instead,
use the 2/4 Port Ethernet Expansion Card (CFFh), part number 44W4479.