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October 1st, 2004 03:00

Unallocated space after formatting/partitioning

I recently installed a 2nd hard drive (160 GB) into my Dimension 8100 and finally realized how to format and partition with the Windows XP Home disc (no small feat for me).  When I checked the Computer Management/Disk Management tool for the drive, it lists a single partition of 127.99 GB (NTFS) and 21.06 GB as "unallocated."  I have since come to understand why there is only 149 GB, but why do I have this "unallocated" partition?  Is this necessary for the XP operating system?  If not, can it be recovered for use? 

For clarity, all I did when I formatted and partitioned the drive was to choose the option for installing the XP operating system and format the partition using NTFS.  The program pretty much did the rest.

Your wisdom and advice are greatly appreciated.

Doug

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October 1st, 2004 10:00

Unless the partitioning was done with and XP disc with SP1a already included, you can't use more than 137 GBytes in a single partition.

After you install SP1a or SP2 and enable large drive support, you can then make a partition for the rest of the drive, but if you want a single partition, you must start with an SP1a CD of XP.

 

3 Posts

October 1st, 2004 13:00

I just received my new Dell Diminsion 8400

and Windows XP Home edition was installed with service pack 1a.

I seem to also have only 149 G hard drive? its supposed to be 160.

And when I go to  My computer it says I have 145G with 138G of free space.  Now I'd like to get that 11 or 15 G that I am missing because I will use my computer for editing video

3 Posts

October 1st, 2004 17:00

Thanks. The space appears to be right when converting from decimal to binary capacity

160g decimal =149.1g in binary

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