Intel Desktop Board D945GRW BOXD945GRWLK User Manual

Product codes
BOXD945GRWLK
Page of 90
Intel Desktop Board D945GRW Technical Product Specification 
30 
 
1.9  Legacy I/O Controller 
The legacy I/O controller provides the following features: 
•  One serial port 
•  One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port  
(EPP) support 
•  Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems 
•  PS/2-style mouse and keyboard interfaces 
•  Intelligent power management, including a programmable wake-up event interface 
•  PCI Conventional bus power management support 
The BIOS Setup program provides configuration options for the legacy I/O controller. 
1.9.1 Serial 
Port 
The Serial port A connector is located on the back panel.  The serial port supports data transfers at 
speeds up to 115.2 kbits/sec with BIOS support.   
 
For information about  
Refer to 
The location of the serial port A connector 
1.9.2 Parallel 
Port 
The 25-pin D-Sub parallel port connector is located on the back panel.  Use the BIOS Setup 
program to set the parallel port mode.   
 
For information about  
Refer to 
The location of the parallel port connector 
1.9.3  Keyboard and Mouse Interface 
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