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Thread: JMicron Controller and 2 PATA Devices




  1. #1
    Ken429 is offline Senior Member
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    Default JMicron Controller and 2 PATA Devices

    It seems that the JMicron controller on the GA-EP-UD3 motherboards may have a problem. When two devices are hooked up to the PATA cable the second (secondary) device is not recognized by the BIOS. I have tried several different DVD drives and always have the same problem - the secondary drive is not recognized and the system will not shut down properly. I did a brief search on the web and saw other people with similar problems. Is this a know issue? Is there a fix? This is my second try at a post on this subject. This is a relatively minor problem now that I think I know what is going on!

  2. #2
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    Default Re: JMicron Controller and 2 PATA Devices

    I stay confused. The 2 purple SATA slots are for the JMicron controller? The yellow SATA slots are for Intel® ICH10. Have you tried plugging the SATA DVD drive on the ICH10 SATA(yellow) ones? Also did you set the jumpers on the 2 PATA's to master and slave?
    AHH!Page 10 of your motherboard manual.
    http://download.gigabyte.ru/manual/m...ud3)_1.6_e.pdf
    Code:
     Storage Interface  South Bridge:
    6 x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3, SATA2_4, SATA2_5) 
    supporting up to 6 SATA 3Gb/s devices
    Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10 jk
    w GIGABYTE SATA2 chip:
    1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
    2 x SATA 3Gb/s connectors (GSATA2_0, GSATA2_1) 
    supporting up to 2 SATA 3Gb/s devices
    Support for SATA RAID 0, RAID 1, and JBOD
    w iTE IT8718 chip:
    1 x floppy disk drive connector supporting up to 1 floppy disk drive
    Check Page's 47 through 55 of your motherboard manual for instructions to be sure it is set correct. You could have a bad IDE cable or drive.
    Last edited by artdrivers; 01-08-2010 at 01:55 AM.
    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


  3. #3
    Ken429 is offline Senior Member
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    Default Re: JMicron Controller and 2 PATA Devices

    Yes, I have set the DVD Drives to Primary and Secondary. Yes, I have tried different PATA (IDE) cables. Yes, I have tried different drive brands - Pioneer and LG. Page 10 says the IDE Connector supports two IDE (PATA not SATA) devices - that's all I'm trying to do! In the Manual the Controller is called the Gigabyte SATA2 chip. Device Manager in W7 calls it the Gigbyte GBB36x Controller Manufactured by JMicron. Anyway, I have two ABIT IP35 Pro Motherboards and they have the JMicron Controller and they both support a two DVD Drives. Something is amoke on the the Gigabyte board since the Secondary Drive is not recognized by the BIOS or I'm missing some mystery setting somewhere. Just in case someone asks - yes the BIOS recognizes the Secondary Drive if it is the only drive connected. Has anybody else out there tried connecting two "old style" PATA drives to this Motherboard?
    Last edited by Ken429; 01-08-2010 at 04:15 AM.

  4. #4
    Ken429 is offline Senior Member
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    Default Re: JMicron Controller and 2 PATA Devices

    OOPS. Sorry, I was wrong, the BIOS recognizes the two IDE/PATA Drives as Primary and Secondary. So I guess the problem is with W7 and/or the Device Driver that it is using. For all I know it might have been worked on the Gigabyte Motherboard under Vista. Vista was the Operating System I was using on the ABIT boards where I had two IDE/PATA drives connected and working properly. Still looking for some help.

  5. #5
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    Default Re: JMicron Controller and 2 PATA Devices

    Here is something to try. OK so it's the second hard drive is not recognized in Windows 7? If thats the case go into windows disk management. Pay close attention to section 4. Also you may need to add new hardware. Here is more on this -----> Change, add, or remove a drive letter
    Last edited by artdrivers; 01-08-2010 at 04:27 AM.
    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


  6. #6
    Ken429 is offline Senior Member
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    Default Re: JMicron Controller and 2 PATA Devices

    It's magic. I have changed nothing all I did was disconnect the power to the secondary DVD drive and boot W7 a couple of times and shutdown and reconnect the power to the secondary DVD drive and all of a sudden it works almost as expected!!! The only unusual thing is the Device shows as a generic CD-ROM Drive in the Device Manager as opposed to "Pioneer DVD-RW DVR 112D SCSI CdRom Device" which is shown for the Primary "Pioneer DVD-RW DVR 116D SCSI CdRom Device". Oh well, I'll take it as a success for now.

  7. #7
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    Default Re: JMicron Controller and 2 PATA Devices

    Odd!
    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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