ASROCK M3A790GXH/128M, Installation Manual

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ASRock M3A790GXH/128M 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 CrossF 2.6 CrossF
2.6 CrossF 2.6 CrossF
2.6 CrossFireX ireX
ireX ireX
ireX
TM TM
TM TM
TM
and 3- and 3-
and 3- and 3-
and 3-W W
W W
Way CrossF ay CrossF
ay CrossF ay CrossF
ay CrossFireX ireX
ireX ireX
ireX
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 and Vista TM
OS, and 3-Way CrossFireX
TM
feature is supported with Windows
®
Vista
TM
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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