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Bios Update Failure

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  • 17-02-2004 12:05pm
    #1
    Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭


    I was updating the bios last night, (not content to leave well enough alone) seemed to go well until i removed the disk and restarted. I saw the updated bios on the screen for a second, then i held down the power key to turn it off, to clear the cmos. Now i'm not getting any display at all. Tried clearing cmos, turning off for a minute, removeing atx connector etc, but still no display. Any idea? It was version 21 i was using.


    Amd athlon 1800+
    512 mb ddr pc2700
    excalibur radeon 128 mb 9200 se.
    Couple of maxtor hd's


Comments

  • Registered Users Posts: 5,514 ✭✭✭Sleipnir


    removing the atx connector won't clear the CMOS, you generally need to change a jumper on the board and take the battery out for a while before it clears.
    RTM.
    Some motherboards have a recovery feature but again, you'll have to check the manual for that.
    Also, whatever BIOS version you're updating to will depend on the motherboard manufacturer.


  • Registered Users Posts: 7,496 ✭✭✭quarryman


    what motherboard have you got? check the manual for the BIOS recovery feature mentioned above.

    there might be a jumper on the board that you can use to clear the cmos.


  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    Yeah, i tried clearing it with the jumpers all right...


  • Registered Users Posts: 5,514 ✭✭✭Sleipnir


    did you take the battery out?


  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    Unfortunately , yep. Tried it. Think i'll reseat everything this evening first, and if that doesn't work then i'll try to see is it still booting with a floppy...


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  • Registered Users Posts: 2,013 ✭✭✭SirLemonhead


    I see you have an NF7 :D

    Same thing happened to me. Had to get a new bios chip. And then once I got that, 2 out of 3 memory slots stopped working.

    You might have to RMA


  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    Would I be liable for any costs on a rma? Should i advise the retailler of the bios updated, or keep mum? Damn! And I just got it! :(


  • Registered Users Posts: 2,013 ✭✭✭SirLemonhead


    Did you accidentally flash the revision 1.0/1.1 bios instead of the revision 2.0 bios?

    I got my board from Komplett and I told them what had happened. I was able to RMA without problem.

    No luck with the floppy drive I presume?


  • Registered Users Posts: 65,333 ✭✭✭✭unkel
    Chauffe, Marcel, chauffe!


    Originally posted by Sleipnir
    you generally need to change a jumper on the board and take the battery out for a while before it clears.

    Just changing the jumper and leaving it for about 30s should do it. No need to take the battery out :)


  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    I changed the jumper to clear it, replaced it and still no joy..


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  • Closed Accounts Posts: 484 ✭✭ssh


    You're probably out of luck there...

    it'll be either a new bios chip or a new board. Some boards come with dual bioses, though I don't think the nf7-s is one of them.

    Abit have a FAQ entry here which points on where to get a new one:

    http://www.abit-usa.com/products/mb/kbase.php?categories=1&model=6&faq_id=319

    I don't think an RMA will work, though maybe you'll get lucky.


  • Closed Accounts Posts: 484 ✭✭ssh


    Also,

    there's a difference between clearing the CMOS and actually resetting the BIOS itself.

    The CMOS contains settings for the BIOS, and requires a battery charge on it at all times to actually keep those settings.

    Once you do a bad bios update that renders the system unbootable, you're pretty screwed.


  • Closed Accounts Posts: 31 brandnewspoon


    howdy, i reistered to solve my problems but thought i'd suggest something here first: do you have another pc with a removeable bios chip? if so you could hot swop the chip. worked for me when i screwed mine up. ill just assume you knew you could do that but forgot and i just conveniently reminded you...


  • Closed Accounts Posts: 484 ✭✭ssh


    Won't he need exactly the same motherboard for that?


  • Closed Accounts Posts: 31 brandnewspoon


    no, as long as the bios chip fits you're flying. well not really. you know what i mean...


  • Closed Accounts Posts: 484 ✭✭ssh


    Right, I'm not doubting you, but surely that's going to result in all manner of problems. If the I/O addresses for the fixed devices are different, the BIOS is going to have a tough time finding (and indeed working with) them.

    I've always assumed that you'd need an exact match.


  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    I had another motherboard with an identical looking chip. Swappem them and got nothing. Picked up a new motherboard in a un-named store (an Nf7-s actually, had no plain nf7's.) Moral dilemma starts now. Do i try to reprogram my own bios chip, or return the original board to the second store as a doa? :D


  • Registered Users Posts: 4,317 ✭✭✭CombatCow


    Your probably better just RMA'ing the mobo,This might seem a bit far fetched but i herd that if you peal away the hologram sticker from the bios chip and shine some UV light on it, it will reset/clear it.like from a uv cold cathode.:dunno:


    CombatCow


  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    Returned first motherboard to second store. They were fine. :ninja:


  • Closed Accounts Posts: 16,339 ✭✭✭✭tman


    Originally posted by MarkR
    Returned first motherboard to second store. They were fine. :ninja:
    gg:D


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  • Moderators, Regional Midwest Moderators Posts: 11,099 Mod ✭✭✭✭MarkR


    Now i have an NF7-S. I'm a bad boy. :D What's gg?


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