Lenovo PC 300GL Understanding Your Personal Computer 6267, 6277, 6287 - Page 25

I/O Features, Audio Ports

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Chapter 4. I/O Features Input/output (I/O) devices provide you with many ways of getting information into and out of your computer. You can connect a variety of standard and optional devices to your computer, including a monitor, keyboard, mouse, and printer. This section includes information about I/O device connectors and also explains the characteristics of some of the I/O devices. Your computers system board includes connectors (or ports) for attaching I/O devices. An I/O connector refers to the physical connector on the computer that allows you to connect an external I/O device. These connectors are also called ports because they provide a communication pathway into the computer for an I/O device. Each port is identified by a number and an address that distinguishes it from other ports. No two ports can have the same address. The terms I/O connector and I/O port are often used to mean the same thing. Note: Your computer model might not include all of the I/O devices or connectors described in this section. Refer to the PC 300GL User Guide for more specific information. Following are the system board I/O connectors that are available on the PC 300GL: Audio: (some models only) Microphone in, Line out, Headphone out, and joystick/MIDI Serial Universal Serial Bus (USB) Parallel Keyboard Mouse Monitor Audio Ports The audio controller, integrated on the system board of some models, is SoundBlaster, SoundBlaster Pro, and Windows Sound System compatible. It has three audio ports and a joystick/Musical Instrument Digital Interface (MIDI) with 15-pin D-shell connector. Audio support can be enabled or disabled using the Configuration/Setup Utility Program. Audio ports provide you with the ability to play back and capture sound and music as well as the ability to enjoy sound with multimedia applications. The joystick/MIDI connectors allow attachment of a joystick or other Midi devices. The ports are labelled: Mic In Line Out Connection for a microphone Connection for headphones or powered external speakers © Copyright IBM Corp. 1998 17

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Chapter 4.
I/O Features
Input/output (I/O) devices provide you with many ways of getting information into and
out of your computer.
You can connect a variety of standard and optional devices to your
computer, including a monitor, keyboard, mouse, and printer.
This section includes information about I/O device connectors and also explains the
characteristics of some of the I/O devices.
Your computers system board includes connectors (or
ports
) for attaching I/O devices.
An
I/O
connector
refers to the physical connector on the computer that allows you to connect an
external I/O device.
These connectors are also called
ports
because they provide a
communication pathway into the computer for an I/O device.
Each port is identified by a
number and an address that distinguishes it from other ports.
No two ports can have the
same address.
The terms
I/O connector
and
I/O port
are often used to mean the same thing.
Note:
Your computer model might not include all of the I/O devices or connectors
described in this section.
Refer to the
PC 300GL User Guide
for more specific
information.
Following are the system board I/O connectors that are available on the PC 300GL:
±
Audio: (some models only)
Microphone in, Line out, Headphone out, and joystick/MIDI
±
Serial
±
Universal Serial Bus (USB)
±
Parallel
±
Keyboard
±
Mouse
±
Monitor
Audio Ports
The audio controller, integrated on the system board of some models, is SoundBlaster,
SoundBlaster Pro, and Windows Sound System compatible.
It has three audio ports and a
joystick/Musical Instrument Digital Interface (MIDI) with 15-pin D-shell connector.
Audio
support can be enabled or disabled using the Configuration/Setup Utility Program.
Audio
ports provide you with the ability to play back and capture sound and music as well as the
ability to enjoy sound with multimedia applications.
The joystick/MIDI connectors allow
attachment of a joystick or other Midi devices.
The ports are labelled:
Mic In
Connection for a microphone
Line Out
Connection for headphones or powered external speakers
Copyright IBM Corp. 1998
17