Phenom Ii X4 955 model no confusion.

Hello sir,
I wish to upgrade CPU of motherboard Asus M3A78-EM to AMD phenom II X4 955 series,it is a bit confusing as far as model no is concerned,I came across this model no HDZ955FBGMBOX but can't find it in compatible Asus CPU supported list.
Please help me in choosing this or anthor model of same specifications.
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  1. You are fine. I would check the BIOS version. If it's 2401 or later you shouldn't need an update. It will probably work with 1602 and later versions though.
  2. Thanks for reply,surely I will wait for more information regarding bios.
  3. I have done a bit of workaround and found this info for furthered comments.

    Phenom IIX4 955 (HDX955WFK4DGM),3.2GHz,125W,rev.C3,SocketAM3,Quad-Core ALL
    2401

    Type CPU / Microprocessor
    Market segment Desktop
    Family AMD Phenom II X4
    Model number ? 955
    CPU part numbers HDZ955FBK4DGM is an OEM/tray microprocessor
    HDZ955FBGMBOX is a boxed microprocessor
    Stepping codes AACAC AC CACAC AC
    Frequency ? 3200 MHz
    Bus speed ? 667 MHz Memory controller
    One 2000 MHz 16-bit HyperTransport link
    Clock multiplier ? 16
    Package 938-pin organic micro-PGA
    Sockets Socket AM2+
    Socket AM3
    Weight 1.4oz / 38.4g (CPU)
    1lb 1.2oz / 487.2g (Box)
    Fan/heatsink AV-Z7UH40Q001-4109
    End-of-Life date December 2012
  4. For C3, you want BIOS version 2401
  5. thats the correct processor information, also flashing the bios to the newest version would be recommanded :), cheers
  6. iceclock said:
    thats the correct processor information, also flashing the bios to the newest version would be recommanded :), cheers


    Shall i update Bois before replacing or after replacing it.
  7. only if you feel comfortable doing so, i wouldnt do it if ur not as if u fail loading the proper bios or ur pc shutdowns while updating it, u can have a worthless motherboard on ur hands.

    so only update the bios with caution and if ur comfortable doing so.
  8. iceclock said:
    only if you feel comfortable doing so, i wouldnt do it if ur not as if u fail loading the proper bios or ur pc shutdowns while updating it, u can have a worthless motherboard on ur hands.

    so only update the bios with caution and if ur comfortable doing so.


    Update: successfully flashed Bois to latest 2701 with out any problem that too within windows using Asus flash utility.ready to go when CPU comes from newegg.
  9. excellent :), keep us updated, pm me if u need further help cheers
  10. I have no received it yet from newegg but tracking shows it is on its way,any moment it will arrive.
  11. iceclock said:
    excellent :), keep us updated, pm me if u need further help cheers


    Update : CPU arrived and installed, no issues till now, windows 8 pro WMC stayed activated, achieved a Score of 7.8 in rating, GPU has not arrived yet, will update.
  12. You mean no problems as of now, right?
  13. Z1NONLY said:
    You mean no problems as of now, right?


    Yes, no problem, running silently, it arrived with a high quality CPU fan.
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