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Abit nf7-s rev2 not posting. Cleared CMOS, pulled out battery for 20 minutes & replaced, checked wiring and memory seating, checked graphics card and CPU in a different board and they worked ok. Im getting one short beep to say board is ok but a blank screen. Screen is ok just not receiving a signal. I bought the board off ebay so I dont know if previous owner tried to flash the bios and failed. Any advice wil be greatly appreciated, Thanks Mike

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  • mickmac_1 Mar 09, 2009

    Hi, Thanks for the reply.
    I tried initially with one stick of corsair cmx512-3200 which I thought was ok, but I got the repeated long beeps denoting memory failure. I then tried with a stick of Samsung pc 2700 borrowed from a friend, and got the short single beep denoting all was ok, but no signal was being sent to the monitor. This obviously prevents me getting into the bios to do any adjustments. I have bought some more Corsair memory which I will try, but I am beginning to think that it is a duff board.

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Have you tried replacing the memory modules? Memory incompatability or a bad simm, will create the symptoms, you describe. Also, restore the BIOS settings to "fail-safe," if possible. Often the "Default settings," are not as "tolerant," as fail-safe. I had a similar issue with ASUS and LanParty motherboards. It was a bad SIMM.

Posted on Mar 09, 2009

  • Eric Bishop Mar 10, 2009

    The only two things, left, I can think of would be:



    1) Whomever you bought the motherboard from wiped the BIOS and blew it. I checked multiple boards and there are instances of the BIOS' getting flashed and no longer functioning. You COULD try a new BIOS (from ABIT).



    2) There is a known issue that after flashing the BIOS it reverts to "old 100MHz FSB settings." This has been an issue with this particular MB and if you have an old processor (equal to or less than 100Mhz FSB) I would try plugging it in and seeing if you can get to the BIOS, from there and update.



    I found instructions on how to flash the BIOS (correctly) It is not as simple as others.



    It IS possible that your MB is nonfunctional, but I do not think so.

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When I power it up nothing comes up on the monitor??
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1. check the RAM is seated
2. Try any other RAM
3. still the same problem check the video or graphics card , if any
4. if no graphics card and problem stiil changing it clear your CMOS by removing battery
5. if its new system then, remove battery, then take a small wire piece and short the positive and negative of the battery socket, then only CMOS is cleared
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First of all make the memory is seated properly and that the motherboard supports the clock speed of it, i.e 400-800 MHz.

Then make sure that the processor is seated properly, take the processor out and put it back in.

Next if you are using a AGP graphics card and not any on-board graphics make sure the card is seated properly in the slot. A good idea to test the system is to use the on-board graphics port first.

Also clear the CMOS with the jumper that should next to the motherboard battery. If there is no jumper there remove the lead from the back of the unit and then take the motherboard battery out for around 20 minutes periodically hittting the on/off button to drain any residual power from the motherboard.

After 20 minutes are up put the battery back in and power the machine up.


Good luck and please post back if you need anymore help.


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2. Try any other RAM
3. still the same problem check the video or graphics card , if any
4. if no graphics card and problem stiil changing it clear your CMOS by removing battery
5. if its new system then, remove battery, then take a small wire piece and short the positive and negative of the battery socket, then only CMOS is cleared
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I take it you have the same type of memory[matched in pairs]. I had an asus board that did the same thing. I started the way most builders do when they bench test, I sarted with just 1 memory stick, l [left 1 rom in] and removed everything I could. With the Dell that started to act up I cleared the CMOS over night with the jumper in the clear setting. I was able to get the Dell to work, I ended up selling the Asus board and the guy who bought it said he cleared CMOS and replaced the battery and it fired right up. My first Abit board[NF7-S] came with no manual or drivers disc. It's used but one thing I can say is Abit really didn't look like it's site was much help. I am just about to test it. It does sound like a device problem. You can go online, if you updated your BIOS it may cause problems but I'd also look at the updated BIOS to see if there is a update with this problem listed. One last thing, if you have extra cables try them to see if it is the hdd cable, thats happened to me also.

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Hi mark_golden,
This will run on your Abit NF7-M board;
http://computers.pricegrabber.com/processors-retail-box/m/688942/search=XP%203000%20/st=query_link/

Link to Abit: http://www.abit.com.tw/page/en/motherboard/motherboard_detail.php?pMODEL_NAME=NF7-M&fMTYPE=Socket%20A&pPRODINFO=Specifications&fSEARCHTEXT=NF7-M

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