Serial Ports; Parallel Port; Diskette Drive Controller; Keyboard And Mouse Interface - Intel D845GLLY Using Manual

1.8.1 Serial Ports

The Desktop Board has two serial port connectors. Serial port A is located on the back panel.
Serial port B is accessible using a connector on the component side of the Desktop Board
serial ports support 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.
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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)
•
SigmaTel STAC9750/66 audio codec
The audio subsystem includes these features
• SigmaTel Σ∆ technology for a S/N (signal-to-noise) ratio: ≥ 85 dB
•
Supports wake events (driver dependent)
•
Mic in pre-amp that supports dynamic, condenser, and electret microphones
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The location of the serial port B connector is product dependent. For more information, refer to the
Product Supplement Document for your Desktop Board.
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Contact your Intel sales representative to determine if the audio subsystem is present on your Intel
Desktop Board.
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Product Description
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. The
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