AMD ATI Radeon HD 4890 User Manual page 14

8 ATI CrossFireX™ Technology
1.
Make sure the computer, monitor, and other peripheral devices are off.
2.
Unplug the computer power cord and disconnect the monitor cable from
the back panel of the computer.
Caution:
To avoid possible damage to the motherboard, wait approximately 20
seconds after unplugging the power cord before disconnecting a
peripheral or removing a component from the motherboard.
3.
Remove the computer cover.
If necessary, consult the computer manual for help removing the cover.
Caution:
Remember to discharge your body's static electricity by touching the
power supply case or the metal surface of the computer chassis.
4.
Remove any unneeded graphics cards from the computer.
Warning:
Some graphics cards can get hot while operating. Wait approximately
five minutes after turning off the computer before touching the card.
5.
Locate the PCIe slots on the motherboard. If necessary, also remove the
corresponding back panel cover.
6.
Align the new graphics card in the secondary PCIe slot next to the existing
graphics card and press firmly until the card is fully seated.
ATI Radeon HD 4890 © 2009 Advanced Micro Devices, Inc.