Installation guide
Chapter 8: Setting Advanced Properties
100
Advanced Features
Table 11 lists the advanced network adapter features in Microsoft 
Windows that are supported by the AT-2973 Adapter Series. Default 
values are marked with an asterisk.
Table 11. Advanced Features in Microsoft Windows Supported by the AT-2973 Adapter Series
Feature
Windows 
Vista 32/64
Windows 7 
32/64
Windows 
Server 2003 
32/64
Windows 
Server 2008 
32/64
Windows 
Server 2008 
R2 32/64
802.1p QoS - - Enabled*
Disabled
- -
Ethernet@ 
Wirespeed
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Flow Control Auto*
Disabled
RX and TX 
Enabled
RX Enabled
TX Enabled
Auto*
Disabled
RX and TX 
Enabled
RX Enabled
TX Enabled
Auto*
Disabled
RX and TX 
Enabled
RX Enabled
TX Enabled
Auto*
Disabled
RX and TX 
Enabled
RX Enabled
TX Enabled
Auto*
Disabled
RX and TX 
Enabled
RX Enabled
TX Enabled
Interrupt 
Moderation
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
IPv4 
Checksum 
Offload
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
IPv4 Large 
Send Offload
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
Enabled*
Disabled
IPv6 
Checksum 
Offload
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
- None
RX Enabled
TX Enabled
TX/RX 
Enabled*
None
RX Enabled
TX Enabled
TX/RX 
Enabled*
IPv6 Large 
Send Offload
Enabled*
Disabled
Enabled*
Disabled
- Enabled*
Disabled
Enabled*
Disabled
Jumbo 
Packet
1500* to 9000 
bytes in 
increments of 
500 bytes
1500* to 9000 
bytes in 
increments of 
500 bytes
1500* to 9000 
bytes in 
increments of 
500 bytes
1500* to 9000 
bytes in 
increments of 
500 bytes
1500* to 9000 
bytes in 
increments of 
500 bytes










