ATI Technologies HD3800 Series, User Manual

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ATI Radeon™ HD 3800 Series User Manual
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XHD3870X2
System Requirements
CrossFire™ technology works on AMD 790FX, AMD 790X, Intel 975X, P965,
P35 and X38 motherboard.
Note:
•
Specialized PCI Express® 550 watt or greater power supply recommended.
•
A 1000 watt or greater power supply is required for CrossFire™.
•
Only DVI
1
and DVI
3
can boot up system.
•
Power connector 1 and 2 connected to power supply unit simultaneously is
recommended. Only power connector 1 or 2 connected to power supply unit can boot
up the system but system will shut down randomly.
•
6pin to two-4pin external power cable should be connected to different power supply
cable simultaneously.
or
•
use power supply 6pin cable (note, power supply cable is 6-wire, not 3-wire)
Some specific motherboard with
Award BIOS may encounter
problem in driver installation,
please update motherboard BIOS
to the latest version, if the
problem remained please adjust
the switch (SW1) to the
“ON”
in
back of the card, then uninstall
and reinstall the driver.