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Hard drive wrong size in NT,not in BIOS!

By danfalconar ·
I've installed a 20GB IDE drive into a machine, which the BIOS reports correctly. I also installed one in another machine (identical machine) where it is reported as the correct size in Disk Administrator. However, on the first machine, it's only reported as 8GB in Disk Administrator. How do I correct this and what could be wrong with it?

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Hard drive wrong size in NT,not in BIOS!

by Parbo In reply to Hard drive wrong size in ...

You need to install service pack 4 or higher. that will take care of the problem. Drivers bigger then 8GB require a certain driver (PIIX4)in order for NT4 to see the rest of the drive.

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Hard drive wrong size in NT,not in BIOS!

by danfalconar In reply to Hard drive wrong size in ...

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Hard drive wrong size in NT,not in BIOS!

by troubleshootergurl In reply to Hard drive wrong size in ...

I am thinking maybe the jumpers are set up incorrectly? Just a hunch. Check them out, maybe they need to be set up differently for a different operating system.

Troubleshooter.

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Hard drive wrong size in NT,not in BIOS!

by danfalconar In reply to Hard drive wrong size in ...

Thanks, but I've checked that. The drive is configured correctly at boot-up, and it wouldn't have been if the jumpers are wrong.

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Hard drive wrong size in NT,not in BIOS!

by Lo In reply to Hard drive wrong size in ...

Even SP4 may not resolve. I did same/similar with 2 20gb (one for DriveImage Backups). Initially the primary showed 8gb, backup showed 20gb. I forget the exact solution (will get it again, am having same problem since I reloade a DriveImage a fewmonths back and got back an 8gb on a 20gb).

I think I used Partition Magic (v6 or >), created unused space at beginning to hold parttition (3) and did an Extended for the remainder. This worked, had both reporting 20gb. With current config, 20gb primary and 60gb secondary, the 20gb shows 8gb. If I create an Extended Partition, I get BSOD, delete it and it works OK.

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Hard drive wrong size in NT,not in BIOS!

by danfalconar In reply to Hard drive wrong size in ...

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Hard drive wrong size in NT,not in BIOS!

by dmiles In reply to Hard drive wrong size in ...

The generic IDE driver (ATAPI.sys) may not be compatible with drives larger than 8GB,yet service pack includes a updated ATAPI.SYS allowing access to disks larger than 8GB.
Download the updated Atapi.sys from Microsoft's FTP server,
ftp://ftp.microsoft.com/bussys/winnt/winnt-unsuped/fixes.nt4.0/atapi/ATAPI.EXE and copy file to a blank floppy disk and run ATAPI.EXE,to load files from disk.

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Hard drive wrong size in NT,not in BIOS!

by danfalconar In reply to Hard drive wrong size in ...

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Hard drive wrong size in NT,not in BIOS!

by drew_lgca In reply to Hard drive wrong size in ...

The system partition (boot partition) is still limited to 7.8GB whether an updated version of the Atapi.sys file is installed or not. See http://support.microsoft.com/support/kb/articles/q197/6/67.asp
So get the rest of your drive you could make several partitions. I was told that if you have NT install on another PC and then install your 20 gig drive as a slave and then format the drive and then re install NT that you can get large drives to work. But I have never tried it.

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Hard drive wrong size in NT,not in BIOS!

by danfalconar In reply to Hard drive wrong size in ...

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