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Thread: Abit AX78 - many problems

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  1. #13
    Xtreme Mentor
    Join Date
    May 2007
    Posts
    2,792
    I'll list the problems with a Phenom 9850 BE, hopefully you are reading this Abit:-

    • Board cannot handle 1.354v and above with 9850 BE (125W TDP model) - PWM protection shuts it down (5-1200 minutes or so, low PWM load temps - no vdroop)
    • I'm currently at 1.35v, no shutdown yet, still testing (22 minutes under load)
    • Cannot change NB FID with this board, worked once but did not work after
    • Cannot change to 1066 mode with 3 different pairs of 1066 RAM, C1 at boot
    • Cannot set Unganged mode anywhere
    • Cannot POST or boot with less than 127.5ns tRFC for DIMM0 using 1GB kits
    • Cannot change HT Ref with AOD on this board and most parameters are not picked up through it
    • Can hardly change HT Ref in BIOS, even 210MHz will make my system unusable and the USB/PS/2 ports stop working with it
    • Any change from stock boot timings in 800 mode with Corsair 800 4-4-4-12 2.1v RAM mostly makes the system unstable/unusable or react strange
    • Overall BIOS for HT/NB/RAM clocking is very bad, many issues need to be worked out. I can't believe these are the same engineers who made my brilliant IP35-E and IP35 Pro
    • Board issues temperature readings from ACPI, which is 10°C higher than internal core Tctl reading
    • Many boots makes the system reset all BIOS options to default - which is a PITA! Please have some save option and fix this bug
    • What is P0 and P1? gives no change...
    • Why does POST take so long? Its not like this with other boards.. apart from Skulltrail
    • None of the above are CPU/RAM/PSU limitations, I already know them
    • Why not leave CnQ option seperate from CPU FID oc option?

    Thank you.

    Will wait for that new BIOS hokiealumnus, but I don't have much testing time
    Last edited by KTE; 05-09-2008 at 12:50 AM. Reason: corrected

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