Datasheet

Product Description
• 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 62
The location of the serial port B connector on the D915GAV board Figure 18, page 64
The location of the serial port B connector on the D915GAG board Figure 19, page 66
The signal names of the serial port B connector Table 24, page 68
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 62
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 D915GAV board Figure 18, page 64
The location of the diskette drive connector on the D915GAG board Figure 19, page 66
1.9.4 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 Figure 17, page 62
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