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Thread: HD working with IDE USB adapter but not recognised by bios




  1. #1
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    Default HD working with IDE USB adapter but not recognised by bios

    I have a Windows XP Pentium III desktop with two hard drives. The first one has the OS and is luckily working. The second drive on the secondary master IDE channel few days back was unable to read some files and since then for some time it was failing and reviving intermittently and now it is always showing as failed on the IDE channel


    When the HD was intermittenly failing, I was able to copy some data from it to the other drive - also during that time if the system was running and the hard disk failed at that time, the system froze and then i had to reboot.


    then I got a new 80 gb hdd similar (same make - seagate barracuda) to the earlier failing one, a new data cable for the drive and an IDE to USB adapter.


    the new hard drive i installed in the previous drive's place (secondary master), formatted it and it worked for 1 day and then it also failed - simultaneously i connected the old hd to the IDE/USB adapter and i could view all the data - some of that data i was able to back up from the old hd to the new hd before the new hd failed


    the new hd i have tried connecting on the primary channel as the slave disk but when i do that then the bios does not detect either the OS drive or the new drive and the system does not boot


    surprisingly, the older (previously failed) hd and the new hd are both working fine on the usb channel with the IDE/USB adapter.


    i have ruled out any problem with the secondary channel since the dvd rom i was earlier using as primary slave have now connected to secondary master and it works fine.


    i am really confused by this behavior on my system. please can anybody try to solve this for me. thanks.

  2. #2
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    Default Re: HD working with IDE USB adapter but not recognised by bios

    When you did your changes, did you move the power connectors from one drive to another, to make sure the power connector was ok?

    I pondered what you wrote, then considered it is not a cable or IDE channel failing. The only thing left is the power connection to the drive. If you hadn't (you may have, for all I know), try using a different power cable on the failing drive. Through USB, you have proven the drives are actually good.

  3. #3
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    Default Re: HD working with IDE USB adapter but not recognised by bios

    Yeah, i've tried using another power outlet but that doesnt make anything better

  4. #4
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    Default Re: HD working with IDE USB adapter but not recognised by bios

    hmmm.. ok

    I'm stumped.. are you using a 40 or 80 pin cable, is it a cable select cable, perchance? If cable select, then check your drive for the jumper position for a cable select cable. It would be different than the slave jumper position. Having a cable select cable and putting a drive with a jumper in the slave position will give those symptoms on some systems. Your system is rather old, as well.

  5. #5
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    Default Re: HD working with IDE USB adapter but not recognised by bios

    well, i suppose its an 80 pin cable - the point is that the (older 80 GB) drive was working fine on the same system with the same configuration for more than 1 year during 2008 - apr 2010 and also the newer 80 GB drive worked on it for 1-2 days before failing.

    about the jumper positions i have double checked the seagate site for the correct settings and i am pretty sure that they are perfect

  6. #6
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    Default Re: HD working with IDE USB adapter but not recognised by bios

    Since the hard drives are good, and both hard drives have failed on the IDE channel, and the IDE channel we tested good with an optical drive, it may be, and this was where the confusion may have come in, either the ribbon cable (80 pin cables have smaller wires in the ribbon than 40 pin cables), or the power plug from the power supply.

    When I asked about a different power plug, I mean from the power supply.

    Here is a point: the drives are good, so it is not the drive.

    Recheck things. Make sure you use a diferent cable. Possibly, you need a different power supply.

    Did you try to set the hard drive to slave on the same channel as your OS drive? I suspect you have your optical drive as slave on the primary IDE channel. It is always seen by bios. If the hard drives aren't seen by the BIOS, either they are not receiving power, or the ribbon cable is bad, or the jumper on the HD is no good (I've seen bad jumpers before).

    Try changing the HD to master on the secondary IDE channel and see if BIOS sees it.

    You said the original data drive began failing, and your new drive has the same symptom. It has nothing to do with the drives. Something is not right, either the IDE channel or a conflict with something else you have not thought about, interfering. You have an older board, after all. It is possible you may have to manually enter drive information in your bios for it to recognize the drive.

    While your original post has a lot of information, something doesn't add up. Any drive that can be seen via USB connection should be good on the IDE channel as well.
    Last edited by Insight Homewood; 06-08-2010 at 05:12 AM. Reason: clicking done while still thinking of things.

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