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Ethernet Expansion Card (CIOv) for IBM BladeCenter
IBM BladeCenter at-a-glance guide
The Ethernet Expansion Card (CIOv) is an Ethernet expansion card with two 1 Gb Ethernet ports
designed for BladeCenter servers with CIOv expansion slots. It is based on proven Broadcom 5709S
ASIC technology and offers value added features like TCP Offload (TOE) and software-based iSCSI
support for high performance.
This card is installed into the CIOv slot of the supported blade server. It provides connections to
Ethernet-compatible modules located in bays 3 and 4 of supported BladeCenter chassis. The CIOv slot is
a second generation PCI Express x8 slot. A maximum of one Ethernet Expansion Card (CIOv) is
supported per single-wide blade server.
The Ethernet Expansion Card (CIOv) is shown in Figure 1.
Figure 1. Ethernet Expansion Card (CIOv)
Did you know?
Today's virtualized servers require a larger number of network adapters. This adapter is a perfect fit for
these environments because it can enable up to eight Ethernet ports per blade server.
The adapter is based on the PCI Express bus, which can be thought of as a high-speed serial
replacement of the older technology. Its use offers many benefits including higher speeds and the ability
to send and receive data at the same time.
When using the CIOv adapter, you can simultaneously use a CFFh adapter to enable more types of I/O to
supported blade servers such as the HS22 when installed in the IBM BladeCenter H chassis. The
innovative design of the CIOv adapter is designed to work with the CFFh adapter to support this
combination workload.
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Supported servers and I/O modules
The Ethernet Expansion Card (CIOv) is supported in the IBM BladeCenter servers listed in Table 2.
Table 2. Supported servers
Expansion card
Part number
Ethernet Expansion Card 44W4475
(CIOv)
N
N
N
Y
N
N
N
N
N
N
N
N
N
N
N
See IBM ServerProven for the latest information on the expansion cards supported by each blade server
CIOv expansion cards are installed in the CIOv slot in supported servers such as the HS22, as shown in
green in Figure 2.
Figure 2. Location of the CIOv slot in the IBM BladeCenter HS22
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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:
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Any IBM, BNT or Cisco Ethernet Switch Module (standard form-factor switch module)
Optical Pass-thru Module
Copper Pass-thru Module
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z
z
Intelligent Copper Pass-thru Module
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
Ethernet Expansion Card (CIOv)
1 to 14
44W4475
1 per
server
Varies
Varies
IBM BladeCenter E, BladeCenter H, or BladeCenter S*
Any Ethernet-compatible switch module
1
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.
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iSCSI SAN storage solution
In addition, this card can be used to connect to external iSCSI-based entry-level SAN, as shown in Figure
4.
Figure 4. IBM BladeCenter connected to an external IBM System Storage DS3300 storage solution
The components used in this configuration are listed in Table 4.
Table 4. Components used when connecting the Ethernet Expansion Card (CIOv) to external iSCSI disk
storage
Diagram
reference
Part number /
Machine type
Description
Quantity
Varies
IBM BladeCenter HS22 or other supported server
Ethernet Expansion Card (CIOv)
1 to 14
44W4475
1 per
server
Varies
Varies
IBM BladeCenter E, BladeCenter H, or BladeCenter S*
Any Ethernet-compatible switch module
1
1 or 2
1
1726-31X or
1726-32X
IBM System Storage DS3300 (Single or Dual Controller)
1727
Optional IBM System Storage EXP3000 (Single or Dual ESM)
DS3000 Partition Expansion License
1 to 3
1
39R6536
*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.
This configuration will also require cabling between the chassis and the storage server and between the
storage server and expansion units. (The cable part numbers are not listed in Table 4.)
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Supported operating systems
The following operating systems support the expansion card:
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Microsoft Windows Server 2003, Web Edition
z
z
z
z
z
z
z
z
z
z
z
z
z
z
z
z
z
z
z
Microsoft Windows Server 2003/2003 R2, Enterprise Edition
Microsoft Windows Server 2003/2003 R2, Enterprise x64 Edition
Microsoft Windows Server 2003/2003 R2, Standard Edition
Microsoft Windows Server 2003/2003 R2, Standard x64 Edition
Microsoft Windows Server 2008, Enterprise x64 Edition
Microsoft Windows Server 2008, Enterprise x86 Edition
Microsoft Windows Server 2008, Standard x64 Edition
Microsoft Windows Server 2008, Standard x86 Edition
Microsoft Windows Server 2008, Web x64 Edition
Microsoft Windows Server 2008, Web x86 Edition
Microsoft Windows Small Business Server 2003/2003 R2 Premium Edition
Microsoft Windows Small Business Server 2003/2003 R2 Standard Edition
Red Hat Enterprise Linux 5 Server Edition
Red Hat Enterprise Linux 5 Server with Xen x64 Edition
Red Hat Enterprise Linux 5 Server x64 Edition
SUSE Linux Enterprise Server 10 for AMD64/EM64T
SUSE Linux Enterprise Server 10 for x86
SUSE Linux Enterprise Server 10 with Xen for AMD64/EM64T
SUSE Linux Enterprise Server 10 with Xen for x86
See IBM ServerProven for the latest information on the specific versions and service packs supported:
http://ibm.com/servers/eserver/serverproven/compat/us/. Select the blade server and then select the
expansion card to see the supported operating systems.
Related publications
For more information refer to these documents:
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Ethernet Expansion Card (CIOv) Installation and User's Guide:
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z
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IBM US Announcement Letter for the Ethernet Expansion Card (CIOv)
IBM BladeCenter Interoperability Guide
IBM Redbooks publication IBM BladeCenter Products and Technology:
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This document was created or updated on March 30, 2009.
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