Using Audio Features; Using Security Features; Anti-Intrusion Features - IBM 622138U - IntelliStation Z - Pro 6221 User Manual

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 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 amplified 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 55.
Microphone (pink)
Line in (blue)
Line out (green)

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 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.
Important: Keep the key-code number and manufacturer address and phone
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IBM IntelliStation Z Pro Type 6221: User's Guide
This connector is used to connect a microphone to record voice or other
sounds on the hard disk (mono input for microphone). With a microphone
attached, you can also use speech recognition software. Microphone
connectors are on both the front and the rear of the computer.
This connector receives stereo audio signals 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.
This connector sends stereo audio signals from the computer to external
devices, such as speakers, headphones, or the audio line-in connector on a
stereo system. The internal speaker on the computer is disabled when any
devices are attached to this connector. Line-out connectors are on both the
front and the rear of the computer. Connecting devices to the front line-out
connector disables the rear line-out connector.
number in a safe place. Because locksmiths are not authorized to
duplicate cover-lock keys, you must order replacement keys from the
key manufacturer. You will need the key code when ordering
replacement keys.