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If you are using a cathode ray tube (CRT) monitor, set your monitor for the highest
noninterlaced refresh rate that the monitor supports. If your monitor complies with
the Video Electronics Standards Association (VESA) display data channel (DDC)
standard, it is probably already set to the highest refresh rate the monitor and video
controller can support. If you are not sure whether your monitor is DDC-compliant,
see the documentation that comes with the monitor.
If you are using a flat-panel monitor, the refresh rate does not have to be set to the
highest noninterlaced refresh rate that the monitor supports. Flat-panel monitors
produce flicker-free images even when they are operating at a minimum 60 Hz
noninterlaced rate.
If you have a dual-monitor video adapter, see the video adapter device-driver
readme file and documentation for more information about enabling dual monitors.
Using audio features
Your computer has an integrated audio controller that supports Sound Blaster
applications and is compatible with the Microsoft Windows Sound System. Your
computer also has a single internal speaker and three types of audio connectors.
Using the audio controller, you can record and play back sound and music to
enhance multimedia applications. Optionally, you can connect external speakers to
the line-out connector to provide improved sound with multimedia applications.
The audio connectors in your computer are 3.5 mm (0.125-in.) mini-jacks. For the
location of the audio connectors, see “Input/output connectors” on page 49.
Line in
This connector accepts audio signals into the computer sound system from
external devices, such as the line output from a stereo, television, or a
musical instrument. One line-in connector is on the rear of the computer.
Line out
This connector sends audio signals from the computer to external devices,
such as speakers with built-in amplifiers, headphones, multimedia
keyboards, or the audio line-in jack on a stereo system. Line-out connectors
are on both the front and the rear of the computer.
Microphone
This connector is used to connect a microphone to your computer when
you want to record voice or other sounds on the hard disk. With a
microphone attached to the computer, you can also use speech recognition
software. Microphone connectors are on both the front and the rear of the
computer.
Using security features
To deter unauthorized use of your computer, you can use anti-intrusion features and
other security features that are provided with your computer.
Anti-intrusion features
IBM anti-intrusion features help protect against the theft of computer components,
such as the microprocessor, system memory modules, or hard disk drives.
A cover lock is built into your computer to prevent the cover from being removed.
Two identical keys for the cover lock are also supplied. A tag attached to the keys
has the key serial number and the address of the key manufacturer.
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IBM IntelliStation M Pro Type 6219: User’s Guide
Содержание 6219 - IntelliStation M - Pro
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