Allied Telesis AT-2972T/2 - Manual (Page 60)

Installing Windows 2000 Driver Software
60
Even though it is not necessary to reboot the system for new adapter
properties to take effect, rebooting is recommended to reinitialize all
registers.
9. Verify that the adapter port LEDs operate as described in “LEDs” on
page 19.
Checksum
Offload
Usually, the Checksum Offload function is computed by the protocol stack.
By selecting one of the Checksum Offload properties, the adapter can
compute the checksum.
To change the Checksum Offload setting, perform the following
procedure:
1. Start either a Windows Server 2003 or a Windows XP system and log
in.
You must have Administrator privileges to update the driver software.
2. On the desktop, right click My Computer.
The My Computer window opens.
3. Select Properties from the menu.
The System Properties dialog box opens, as shown in Figure 7 on
page 36.
4. Click the Advanced tab.
The Advanced tab is shown in Figure 13 on page 59.
5. From the Properties list, select Checksum Offload.
6. From the Values list, select one of the following:
ˆ None - Disables checksum offloading.
ˆ Rx TCP/IP Checksum - Enables receive TCP, IP, and UDP
checksum offloading.
ˆ Tx TCP/IP Checksum - Enables transmit TCP, IP, and UDP
checksum offloading.
ˆ Tx/Rx TCP/IP Checksum (default) - Enables transmit and receive
TCP, IP, and UDP checksum offloading.
7. Click OK.
8. If prompted to restart your computer, click Yes.
Even though it is not necessary to reboot the system for new adapter
properties to take effect, rebooting is recommended to reinitialize all
registers.