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Thread: FM2A88x+ Killer Enable Crossfire with A10-7850k & R7 250 Problem

  1. #1
    Join Date
    May 2014
    united states of corporate global terrorism

    Default FM2A88x+ Killer Enable Crossfire with A10-7850k & R7 250 Problem

    I seem to be having problems enabling Crossfire with the following components...

    Motherboard: ASRock Fatal1ty FM2A88X+ Killer
    CPU: AMD A10-7850k
    GPU: Gigabyte AMD R7 250 GDDR5 2GB (PCI Express 3.0)

    Now, from everything I've read, the A10-7850k only allows Crossfire with the R7 240 or R7 250, and the memory type isn't supposed to matter. Also, I know Mobo BIOS settings come into play here, and I've got my NB settings to use the PCI Express card (the R7 250) by default and the on-board graphics enabled with a memory allotment of 1GB. There doesn't appear to be an option to enable multi-graphics though, and from everything I read there should be one. Am I missing something?

    Edit: I'm using the latest beta release drivers for the AMD Catalyst Control Center
    Last edited by aytch; 08-30-2014 at 07:50 AM. Reason: Added to state driver version

  2. #2
    TheUSMale2 is offline Junior Member
    Join Date
    Mar 2012

    Default Re: FM2A88x+ Killer Enable Crossfire with A10-7850k & R7 250 Problem

    I'd like an answer to this question also, somebody please?

    CPU= Intel Core [email protected] CPU Code Name Haswell Multiplier 48.0
    NZXT Case
    MoBo= ASROCK Fatal1ty Z97 Killer BIOS P1.30 05/26/2014
    Antec Koehler H20 650
    Memory= G.Skill DDR3 16384 [PC3-12800]@OC to 2133.

    Boot drive=Crucial_CT240M500SSD1SSD SATA-600 on SATA3
    Other drives:
    Hitachi 1TB 7200 RPM SATA-600 on SATA3
    Hitachi [email protected] RPM SATA-600 on SATA2
    Hitachi [email protected] RPM SATA-600 on SATA2
    4 eM Bay Reader USB
    1 SanDisk Cruzer USB 16GB
    1 SanDisk Cruzer USB 4 MB
    1 Sony Optiarc DVD RW AD-7240S SCSI

    Intel HD3000 Video chip
    2x-XFX Radeon 5770 (1GB) video cards in Crossfire mode.

    Asus MT276HE monitor 1920x1080]
    X3 + gold PSU (850w)
    CMStorm advance11 Sentinel gaming mouse
    Corsair Vengeance k70 Keyboard

    Windows7 x64 sp1 Ult.OS
    * You can agree with me Or you can be wrong! *

  3. #3
    Join Date
    Sep 2014

    Default Re: FM2A88x+ Killer Enable Crossfire with A10-7850k & R7 250 Problem

    Iím Davis from ASRock HQ TSD.

    According to the information you posted, you want to use Dual Graphics technique on your computer.
    There is a requirement as below. Please use two 1866MHz or higher frequency memory modules in dual channel and adjust your memory frequency at least 1866.
    And you can refer below link to enable AMD Dual Graphics feature on AMD Platform.
    Below picture is our test result with two 2400MHz memory modules in dual channel and we adjusted memory frequency to 1866, please check it.
    FM2A88x+ Killer Enable Crossfire with A10-7850k & R7 250 Problem-dual-graphic-jpg
    Thank you.

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