Allied Telesis AT-2912T - Manual (Page 55)

AT-2712FX/SC and AT-2912T Secure Ethernet Network Adapter Installation and User’s Guide
55
Note
Enabling 802.1p QOS also requires an 802.1p aware switch.
8. Click OK.
9. If prompted to restart your computer, click Yes.
Although it is not necessary to reboot the system for new adapter
properties to take effect, rebooting is recommended to reinitialize all
registers.
10. Verify that the adapter port LEDs operate as described in “Physical
Descriptions” 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.
Note
You must have Administrator privileges to update the driver
software.
To change the Checksum Offload setting, perform the following procedure:
1. Start either a Windows Server 2003 system or a Windows XP system
and log in.
2. On the desktop, right click My Computer and select “Properties.”
The System Properties dialog box opens, as shown in Figure 22 on
page 48.
3. In the “Hardware tab” on the System Properties dialog box, select
“Device Manager.”
The Device Manager window is shown in Figure 24 on page 50.
4. Click the “+” next to the Network Adapters folder. Then double click on
the desired Allied Telesis network adapter.
For the AT-2712FX/SC adapter, the Allied Telesis AT-2712FX 100 Mb
Fiber Ethernet Properties window is displayed. See Figure 27 on page
54.
5. From the Advanced tab, select Checksum Offload.
6. From the Value list on the Advanced tab, select one of the following:
 None - Disables checksum offloading.