ASROCK M3A790GXH/USB3, Installation Manual

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ASRock M3A790GXH/USB3 Motherboard
1. If a customer incorrectly configures their system they will not see the
performance benefits of CrossFireX
TM
. All three CrossFireX
TM
components, a
CrossFireX
TM
Ready graphics card, a CrossFireX
TM
Ready motherboard and a
CrossFireX TM Edition co-processor graphics card, must be installed correctly to
benefit from the CrossFireX TM multi-GPU platform.
2. If you pair a 12-pipe CrossFire TM Edition card with a 16-pipe card, both cards will
operate as 12-pipe cards while in CrossFireX TM mode.
2.6 CrossFireX 2.6 CrossFireX
2.6 CrossFireX 2.6 CrossFireX
2.6 CrossFireX
TM TM
TM TM
TM
and 3-Way CrossFireX and 3-Way CrossFireX
and 3-Way CrossFireX and 3-Way CrossFireX
and 3-Way CrossFireX
TM TM
TM TM
TM
Operation Guide Operation Guide
Operation Guide Operation Guide
Operation Guide
This motherboard supports CrossFireX TM and 3-Way CrossFireX TM feature.
CrossFireX TM and 3-Way CrossFireX TM technology offer the most advantageous
means available of combining multiple high performance Graphics Processing Units
(GPU) in a single PC. Combining a range of different operating modes with intelligent
software design and an innovative interconnect mechanism, CrossFireX TM and 3-
Way CrossFireX TM enable the highest possible level of performance and image
quality in any 3D application. Currently CrossFireX TM feature is supported with
Windows
®
XP with Service Pack 2 / Vista
TM
/ 7 OS, and 3-Way CrossFireX
TM
feature
is supported with Windows
®
Vista
TM
/ 7 OS. Please check AMD website for ATI
TM
CrossFireX
TM
and 3-Way CrossFireX
TM
driver updates.
2.6.1 Graphics Card Setup 2.6.1 Graphics Card Setup 2.6.1 Graphics Card Setup 2.6.1 Graphics Card Setup 2.6.1 Graphics Card Setup
2.6.1.1 Installing T 2.6.1.1 Installing T 2.6.1.1 Installing T 2.6.1.1 Installing T 2.6.1.1 Installing Two CrossF wo CrossF wo CrossF wo CrossF wo CrossFireX ireX ireX ireX ireX
TM TM TM TM TM
-R -R -R -R -Ready Graphics eady Graphics eady Graphics eady Graphics eady Graphics
Cards Cards Cards Cards Cards
Different CrossFireX TM cards may require different methods to enable CrossFireX TM
feature. In below procedures, we use Radeon HD 3870 as the example graphics
card. For other CrossFireX
TM
cards that ATI
TM
has released or will release in the
future, please refer to ATI
TM
graphics card manuals for detailed installation guide.
Step 1. There is one ASRock SLI/XFire Switch Card factory-mounted on this
motherboard. This card served as a switch between the default mode (x16)
and CrossFireX
TM
mode (x8 / x8). ASRock SLI/XFire Switch Card is factory-
mounted with its default mode (x16) side toward the retention slot base.
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