Adding Expansion Devices 4-3

Dissipate static el ectr icity before handlin g an y syst em components
(PC cards, memory modules) by touching a grounded metal object,
such as the system unit unp ain ted bottom plate.
If possible, use anti sta tic 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 memory module.
Take care when connectin g or disconnecting cabl es. A damaged cable
can cause a short in the electr ical circuit.
Prevent damage to the conn ectors by aligning conn ector pins before
you connect the cable.
Misaligned connect or pins can cause damage to system com p on ents at
power-on.
When disconnecting a ca ble, always pull on the cable conn ector or
strain-relief loop, not on the cable itself.
USB Devices
The two USB ports on the back of th e system unit allow you to conn ect
up to 127 USB devices. These devices include 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 performan ce. Be sure to check that you ha ve the latest
driver for the USB device you a r e adding, particular l y if you are using
Windows 2000 or Windows NT.
You can add multiple USB devices in several ways:
add two devices, one to each USB por t on the rear of the system
add multiple devices to ea ch port by “daisy-chainin g” each device to
the next device
add multiple devices to each port through an optional multiple-port
hub(s).