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Intel® Ethernet Controller X540
Integrated Single Chip 10GBASE-T Controller Simplifies 10 Gbps Ethernet Server LOM, Converged Network Adapter, and
Network Daughter Card Designs
Network Daughter Card Designs
10 Gigabit for the Broad Market
The Intel® Ethernet Controller X540 is
Intel’s latest industry-leading innovation,
to reduce the cost of 10 Gb Ethernet and
bring it to the broad server market. The
small, 25 x 25 mm package with two low-
power 10GBASE-T ports is designed using
industry-leading integrated RFI filters
for 100 meter cable lengths. Designed
for LAN-on-Motherboard (LOM), Network
Daughter Cards, and Converged Network
Adapter (CNA) integration, the single-chip
design provides significant BOM savings
by reducing the support components
(bridge chips, crystals, and EEPROMS)
required when compared to other multi-
chip solutions.
Intel’s latest industry-leading innovation,
to reduce the cost of 10 Gb Ethernet and
bring it to the broad server market. The
small, 25 x 25 mm package with two low-
power 10GBASE-T ports is designed using
industry-leading integrated RFI filters
for 100 meter cable lengths. Designed
for LAN-on-Motherboard (LOM), Network
Daughter Cards, and Converged Network
Adapter (CNA) integration, the single-chip
design provides significant BOM savings
by reducing the support components
(bridge chips, crystals, and EEPROMS)
required when compared to other multi-
chip solutions.
10GBASE-T Simplifies the Transition
From 1 GbE to 10 GbE
The X540 controller provides two
integrated 10GBASE-T PHYs providing
10 Gbps of throughput, which are also
backwards compatible with legacy GbE
switches and Cat 6A cabling. The ability
to auto-negotiate between 100 Mbps, 1
Gbps, and 10 Gbps speeds provides the
backwards compatibility for a smooth
transition and easy migration to 10 GbE.
integrated 10GBASE-T PHYs providing
10 Gbps of throughput, which are also
backwards compatible with legacy GbE
switches and Cat 6A cabling. The ability
to auto-negotiate between 100 Mbps, 1
Gbps, and 10 Gbps speeds provides the
backwards compatibility for a smooth
transition and easy migration to 10 GbE.
Next Generation Immunity
The X540 controller implements a 5
th
-
channel receiver dedicated to the common
mode signal specifically designed for RFI/
EMI detection. The 5th-channel, along with
a powerful cable diagnostic algorithm that
accurately measures all of the TDR and
TDT sequences within the group of four
channels, greatly improves reliability and
signal integrity.
mode signal specifically designed for RFI/
EMI detection. The 5th-channel, along with
a powerful cable diagnostic algorithm that
accurately measures all of the TDR and
TDT sequences within the group of four
channels, greatly improves reliability and
signal integrity.
Exciting New Data Center Models
More than simply a 10x per port
increase in performance, using the X540
controller (vs. a standard 1 GbE controller)
opens doors for exciting new usage
models, including Unified Networking,
I/O Virtualization, and Flexible Port
Partitioning.
increase in performance, using the X540
controller (vs. a standard 1 GbE controller)
opens doors for exciting new usage
models, including Unified Networking,
I/O Virtualization, and Flexible Port
Partitioning.
Simplified I/O Virtualization
Virtualization changes server resource
deployment and management by running
multiple applications and operating
systems on a single physical server.
deployment and management by running
multiple applications and operating
systems on a single physical server.
Intel® Virtualization Technology for
connectivity (Intel® VT-c) delivers I/O
virtualization and Quality of Service
(QoS) features designed directly into the
X540 controller’s silicon. I/O virtualization
advances network connectivity used
in today’s servers to more efficient
models by providing FPP, multiple Rx/Tx
queues, Tx queue rate-limiting, and on-
controller QoS functionality that is useful
for both virtual and non-virtual server
deployments.
connectivity (Intel® VT-c) delivers I/O
virtualization and Quality of Service
(QoS) features designed directly into the
X540 controller’s silicon. I/O virtualization
advances network connectivity used
in today’s servers to more efficient
models by providing FPP, multiple Rx/Tx
queues, Tx queue rate-limiting, and on-
controller QoS functionality that is useful
for both virtual and non-virtual server
deployments.
Flexible Port Partitioning (FPP)
By taking advantage of the PCI-SIG*
SR-IOV specification, FPP enables virtual
Ethernet controllers that can be used by
a Linux* host directly and/or assigned
directly to virtual machines for hypervisor
virtual switch bypass. FPP enables
the assignment of up to 64 Linux host
processes or virtual machines per port
to virtual functions. An administrator
can use FPP to control the partitioning
of the bandwidth across multiple
virtual functions. FPP can also provide
balanced QoS by giving each assigned
virtual function equal access to 10Gbs of
bandwidth.
SR-IOV specification, FPP enables virtual
Ethernet controllers that can be used by
a Linux* host directly and/or assigned
directly to virtual machines for hypervisor
virtual switch bypass. FPP enables
the assignment of up to 64 Linux host
processes or virtual machines per port
to virtual functions. An administrator
can use FPP to control the partitioning
of the bandwidth across multiple
virtual functions. FPP can also provide
balanced QoS by giving each assigned
virtual function equal access to 10Gbs of
bandwidth.
Key Features
• Industry-first single chip, dual-port
10GBASE-T Controller with Integrated
MAC and PHY
MAC and PHY
• 12.5 W maximum power
• Unified Networking delivering LAN, iSCSI,
and FCoE over 10GBASE-T
• Two independent 10GBASE-T interfaces
with SR-IOV support
• SMBus and NC-SI interfaces with
OS2BMC, MCTP and Wake-on-LAN (WoL)
support
support
• Flexible I/O virtualization for port
partitioning and quality of service (QoS)
of up to 128 virtual ports
of up to 128 virtual ports
• Jumbo Frames of up to 15.5 KB
• Integrated IPsec and MACsec Security
Engines
• Data Center Bridging (DCB) with FCoE
stateless offloads
• PCI Express* v 2.1 with 5.0 GT/s and
2.5GT/s support for x1, x2, x4, x8 links
widths
widths
• 10GBASE-T, 1000BASE-T, and
100BASE-TX Link Modes
• Reliable and proven 10 Gigabit Ethernet
technology from Intel® Corporation
PRODUCT BRIEF
Intel® Ethernet Controller X540
Network Connectivity
Intel® Ethernet Controller X540
Network Connectivity