A+ Guide to Managing and Maintaining Your PC
Fifth Edition
Chapter 10
Supporting I/O Devices
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Ports
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Using Ports and Expansion
Slots for Add-on DevicePorts
Serial
Parallel
USB
IEEE 1394
SCSI
Expansion slots
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Port Speeds
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Port Comparison
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SCSI Connectors
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External SCSI Terminator
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A Standard Parallel Port
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USB Ports
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Using USB Ports
Effortless installation of slow peripheral
devices
Much faster than regular serial ports; use
higher-quality cabling
Easier to manage; eliminate need to manually
resolve resource conflicts
Likely to replace serial and parallel ports
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Using USB Ports (continued)
Allow for hot-swapping; are hot-pluggable
Most current motherboards have one to four
USB ports
Managed by a USB host controller
As many as 127 USB devices can be daisy-
chained together using USB devices
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Requirements for Preparing to
Install a USB Device
Motherboard or expansion card that provides a
USB port
OS that supports USB
USB device
USB device driver
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Using IEEE 1394 Ports
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Installing an Expansion Card in
an Expansion Slot
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Using PCI Expansion Slots
(continued)
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Keyboards & Pointing Device
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Keyboard Connectors (continued)
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Keyboard Connectors
PS/2 connector (or mini-DIN)
Small, round, with six pins
DIN connector
Round with five pins
USB port
Wireless connection
Requires a driver
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A Keyboard Adapter
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Pointing Devices
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How a Mouse Connects
to the Computer
Dedicated round mouse port (motherboard
mouse or PS/2-compatible mouse)
Mouse bus card (bus mouse)
Serial port (serial mouse)
USB port
Y-connection with the keyboard
Cordless technology
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Video
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Flat Panel Monitors
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Choosing the Right Monitor
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Monitors
Monitors and ELF emissions
Flat panel monitors
Active-matrix
Dual-scan passive matrix
Installing dual monitors
Increases size of Windows desktop
You must choose to activate a second monitor
before it will be used by Windows
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AGP Bus
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Transferring Data with an
S-Video Cable
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Video Cards
Methods of data transfer
RGB video port
DVI port
Composite video
S-Video