Intel Desktop Board DG41TY Technical Product Specification 
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1.9.2  PS/2 Keyboard and Mouse Interface 
The PS/2 keyboard and mouse connectors are located on the back panel. 
 
NOTE 
The keyboard is supported in the bottom PS/2 connector and the mouse is supported 
in the top PS/2 connector.  Power to the computer should be turned off before a 
keyboard or mouse is connected or disconnected. 
 
 
For information about   Refer to 
The location of the keyboard and mouse connectors  Figure 9, page 43