Serial Port; Parallel Port; Diskette Drive Controller; Keyboard And Mouse Interface - Intel D845GRG Using Manual

Technical Product Specification for Intel Desktop Boards using the Intel 845G Chipset

1.8.1 Serial Port

The Desktop Board has one serial port connector, for Serial port A, located on the back panel. The
serial port supports data transfers at speeds up to 115.2 kbits/sec with BIOS support.

1.8.2 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.

1.8.3 Diskette Drive Controller

The I/O controller supports one diskette drive. Use the BIOS Setup program to configure the
diskette drive interface.

1.8.4 Keyboard and Mouse Interface

PS/2 keyboard and mouse connectors are located on the back panel.
#
INTEGRATOR'S 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.

1.9 Audio Subsystem

The audio subsystem consists of the following devices:
•
Intel 82801DB I/O Controller Hub (ICH4)
•
Analog Devices AD1981A audio codec
The audio subsystem includes these features
• Split digital/analog architecture for improved S/N (signal-to-noise) ratio: ≥ 85 dB
•
Power management support for ACPI 2.0 (driver dependant)
•
Mic in pre-amp that supports dynamic, condenser, and electret microphones
The audio subsystem supports the following audio interfaces:
•
ATAPI-style connectors:
 Auxiliary line in
 CD-ROM
11
Contact your Intel sales representative to determine if the audio subsystem is present on your Intel
Desktop Board.
28
11
: