Question about Compaq (166361-001) Motherboard

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Wrong Hard Drive capacity

I tried installing a 30 GB and then tested with a 60 GB Hard Drive and also tested with a 4 GB just to test the computer as a Master into a Compaq Desktop EP/SB Pentium 3 computer bought at an auction with no hard drive in it. These were used as colege computers and have ID numbers. None of the HD's worked properly athough the drives themselves seem to be working (at least they are powering up). I don't know which motherbaord it is. I tried to find identiifying number, but don't see any numbers except it does say Compaq and there is 575 nearby the back connectors where it mentioned the coin size battery (ths may be the battey). When the computer turns on, it says media test prob check cable. When I F10 to setup, the Primary Drive 0 and Primary Drive 2 are not there, it shows no cylinders or sectors etc. It shows Secondry Drive 2 ATAPIA, but no cylinders or sectors.
I tried settng the BIOS at default. I then restart my computer and sometimes it recognizes Drive 2 about half the capacity of the 60 GB.
I don't knowi there is any LBA jumpers or ...
I wanted to format the hard drive, but it would not let me.
I even tried booting with the XP disk, but it would not run through after I went through most of the procodure to format in NFTS after changing the partitons to unpartitioned and etc. It said there were missing files.

I have tried other cables, hard drives, tested the RAM chips (I did add one), but I am getting the same results.
I sure would appreciate some help. I have three computer and none are working properly. I seem to be the comon denominator.

Thank you

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  • Bill S Jul 07, 2008

    The BIOS battery is OK.

    I am not sure how I can tell what cable should be used. Can you tell by the number of pins? The cable fit the HD socket fine, but I am not sure of the pin out etc. I tried a smaller 4 GB HD just to see if that would work and it did not.

    At one time, I booted with XP CD and the computer read the total 60 GB HD capacity. I think I tried to delete the partitioned area and then format into NFTS in the unpartioned area. I never saw the full capacity on any of the drives I tested after that.

    I tried a 4 GB, 30 GB, and 60 GB. Now the computer only sees 1/2 the HD drive capacity ex: 30 GB instead of 60 GB. I am using the hard drives one at a time.

    Thank you!


  • Tim Babcock
    Tim Babcock May 11, 2010

    Are the batteries that hold the BIOS settings still good?



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Its quite possible the BIOS isn't reading data because it doesn't recognize a 60 gig drive. Unless there is a way you can look for a BIOS update on that increases hard drive capacity. You can check on as well to see what the maximum capacity is for that computer.

Posted on Jul 07, 2008

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First you change ribbon data cable which connect hard disk

it may not be supporting more than 32 gb capacity.
first you only connect the only hard disk test for detection

Posted on Jul 06, 2008


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