Intel S1400SP Hardware Specification page 20

Intel® I/O Expansion Modules for Intel® Platforms HWS
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Four Flexible TCO filters
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Four L3 address filters (IPv4)
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Advanced pass through-compatible management packet transmit/receive support
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SMBus interface to an external Manageability Controller (MC)
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NC-SI interface to an external MC
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Four L3 address filters (IPv6)
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Four L2 address filters
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See Intel Ethernet Controller 10G X540 Datasheet for more details.
Revision 1.1
Intel order number: G30021-004
Dual Port Intel X540 10GbE I/O Module
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