ECS A55F-M4 User Manual page 63

Please reference latest AMD Dual Graphics
port list on AMD official website and subject to change without notice.
5. Enter AMD VISION Engine Control Center, you can see the option of CrossFire
click it and select Enable CrossFire
To disable CrossFire
Catalyst Control Center firstly.
TM , then CrossFire
TM
, please make sure to cancel Enable CrossFire
A55F-M4 USER MANUAL
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