Intel Desktop Board D915PSY BOXD915PSYL User Manual

Product codes
BOXD915PSYL
Page of 107
Product Description 
1.9 I/O Controller 
The I/O controller provides the following features: 
•  Two serial ports (Serial Port B is optional) 
•  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 
•  Interface for one 1.44 MB or 2.88 MB diskette drive 
•  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 I/O controller. 
1.9.1 Serial 
Ports 
The Desktop Board can support up to two serial port connectors.  Serial port A is located on the 
back panel.  Serial port B (optional) is accessible using a connector on the component side of board.  
The serial ports support 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 
Figure 17, page 64 
The location of the serial port B connector on the D915PGN board 
Figure 18, page 66 
The location of the serial port B connector on the D915PSY board 
Figure 19, page 68 
The signal names of the serial port B connector 
Table 24, page 70 
 
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 
Figure 17, page 64 
 
1.9.3  Diskette Drive Controller 
The I/O controller supports one diskette drive.  Use the BIOS Setup program to configure the 
diskette drive interface. 
 
For information about  
Refer to 
The location of the diskette drive connector on the D915PGN board 
Figure 18, page 66 
The location of the diskette drive connector on the D915PSY board 
Figure 19, page 68 
 
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