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Thread: 890GX Firware update 2.40 turned Dual-channel RAM into Single-channel




  1. #1
    Join Date
    Jun 2010
    Location
    UK
    Posts
    3

    Default 890GX Firware update 2.40 turned Dual-channel RAM into Single-channel

    Hi All

    Any ideas as to why after the firmware update from 1.8 to 2.4 my RAM is now only Single-channel? And how to restore it? I did a clear CMOS after my first restart, swapped RAM from the blue slots to white, then back again, took one out, but it back, to no avail. Also turned back to FW 1.8 and cleared CMOS but it now remains as Single channel.

    Asrock 890GX Extreme 3
    AMD Phenom II X4 955
    OCZ AMD Black Edition DDR3 1600MHz 2x2GB
    Crucial M225 128GB SSD
    HIS IceQ Radeon 4670 1GB
    Samsung Spinpoint F3 1TB
    Xilence 600W PSU
    Windows 7 Home Premium X64

  2. #2
    Join Date
    May 2010
    Location
    Taipei, Taiwan
    Posts
    96

    Default Re: 890GX Firware update 2.40 turned Dual-channel RAM into Single-channel

    Hello,

    I have tested it with following configuration, but I didn't see the same symptom like yours.
    Following is our test configuration.
    CPU: Phenom II X4 955
    DRAM:OCZ PC-12800 2G x2 (OCZ3BE1600C8LV4GK AMD Black Edition Ready)
    VGA: PowerColor HD4870
    HDD: Crucial C300 SSD
    BIOS version: P2.40
    ODD: ASUS DVD-RW

    I have tested the DRAM modules under DDR3-1066/1333/1600 MHz, they still running at "Dual Chanel Memory Mode" no matter what the DRAM is insert at blue or white slots.

    For your suggestion,
    1.Please insert your DRAM modules in the DRAM slots with same color( DDR3_A1+DDR3_B1 or DDR3_A2+DDR3_B2)
    2.Please re-insert your DRAM modules.
    3.Please re-install your CPU.
    4.Please load BIOS default setting then try again.
    5.If you have another AM3 CPU, please change the CPU then try again.


    Best Wishes
    Sean
    ASRock Tech Support Staff

  3. #3
    Join Date
    Apr 2009
    Location
    Virginia
    Posts
    1,470

    Default Re: 890GX Firware update 2.40 turned Dual-channel RAM into Single-channel

    What program are you using to see if it's in Dual or Single Channel? Are you using AMD Overdrive?
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  4. #4
    Join Date
    Jun 2010
    Location
    UK
    Posts
    3

    Default Re: 890GX Firware update 2.40 turned Dual-channel RAM into Single-channel

    Thanks for the replies.

    I looked in Windows Control Panel / System and it showed "Installed memory (RAM): 4.00GB (2.00GB Usable), which immediately made me suspicious. So I installed and booted the PC with one RAM module at a time and I got a BIOS Post error on one of the modules, which means it must have been one hell of a coincidence that it packed up at the same time as the firware was flashed?

    BTW both AMD Overdrive and CPU-Z showed Single-channel memory. Probably because it saw both modules installed but only one was fully working.

  5. #5
    Join Date
    Apr 2009
    Location
    Virginia
    Posts
    1,470

    Default Re: 890GX Firware update 2.40 turned Dual-channel RAM into Single-channel

    ahh I see so you are RMAing the RAM? I would send it back as a kit if it were me.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


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