Installation guide
Chapter 1: Introducing the AT-2973SX, AT-2973T, AT-2973T/4, and AT-VNC10S Adapters
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Features 
The following list of adapter features applies to the AT-2973SX, 
AT-2973T, and AT-2973T/4 adapters:
 Dual 10/100/1000 triple-speed MAC
 Dual 10BASE-T/100BASE-TX/1000BASE-T Transceivers
 Dual 1000BASE-X 1.25-GBAUD/3.125-Gbaud SerDes transceivers
 X4 PCIe v1.1
 X4 PCIe 2.0 v1.0
 64KB receive buffer
 24KB payload transmit buffer
 Adaptive interrupt frequency
 Wake on LAN support (AT-2973T and AT-2973T/4 only)
The following list of features applies to the AT-VNC10S adapter:
 Dual 10 Gbps MAC
 Dual XAUI/10GBASE-CX4/10GBASE-KX4
 PCI Express x8 v2.0, 5 GTps-compliant
 PCI Express x8 v1.1, 2.5 GTps-compliant
The following features are common to all of the adapters:
 TCP Offload Engine (TOE) 
 Internet Small Computer Systems Interface (iSCSI) controller 
 TCP segmentation offload
 PXE v2.1 remote boot
 Receive side scaling (RSS) for IPv4 and IPv6
 Statistics gathering (SNMP MIB II)
 Comprehensive diagnostic and configuration software suite
 ACPI compliant power management
 Virtual LANs-802.1q VLAN tagging
 Jumbo frames (up to 9 KB). The OS and the link partner must support 
jumbo frames. 
 MSI, MSI-X
 Simultaneous operation of Layer 2 Ethernet, TCP Offload Engine 
(TOE), and iSCSI
 LiveLink™










