Allied Telesis AT-2972T/2 - Manual (Page 45)

AT-29xx Series Gigabit Ethernet Network Adapters Installation Guide
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Figure 13. Windows 2008 R2 and Windows 7 Search Box
2. Enter the following command:
mmc compmgmt.msc
The Device Manager window is displayed. For an example of the
Device Manager window, see Figure 9 on page 37.