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Adding Expansion Devices 4-3
! Dissipate static electricity before handling any system components
(PC cards, memory modules) by touching a grounded metal object,
such as the unpainted bottom plate on the system unit.
If possible, use antistatic devices, such as wrist straps and floor mats.
! Always hold a PC card or memory module by its edges. Avoid
touching the contacts and components on the card or module.
! Take care when connecting or disconnecting cables. A damaged cable
can cause a short in the electrical circuit.
! Prevent damage to the connectors by aligning connector pins before
you connect the cable.
Misaligned connector pins can cause damage to system components at
power-on.
! When disconnecting a cable, always pull on the cable connector or
strain-relief loop, not on the cable itself.
USB Devices
The two USB ports on the right side of the system unit allow you to
connect up to 127 USB devices. These devices include hard drives,
scanners, printers, digital cameras, CD-ROM drives, modems, keyboards,
mouse, speakers, telephones, game devices, and more.
USB drivers are constantly being developed and updated for compatibility
and improved performance. Be sure to check that you have the latest
driver for the USB device you are adding, particularly if you are using the
Windows 2000 or Windows NT operating system.
You can add multiple USB devices in several ways:
! add two devices, one to each USB port on the right side of the system
! add multiple devices to each port by “daisy-chaining” each device to
the next device
! add multiple devices to each port through an optional multiple-port
hub(s).