Hard disk not reading actual GBs

  Scubaman 19:27 16 May 08
Locked

I have installed a 500GB HDD as a slave to copy some video files for editing and have converted it to NTFS, when I looked in my computer and checked the size, it only shows 127GB. Ay ideas?
Thanks

  jack 19:33 16 May 08

More info on the sisk please
Is it new or previously used for example.

  Stuartli 19:36 16 May 08

If you go to:

click here

and download Seagate Disk Wizard, it will allow you to partition the drive as required and also the means to use the full capacity.

IIRC the latter is in the Management tab or Help section.

  Stuartli 19:37 16 May 08

I use XP Pro and recently installed a 320GB drive - it was recognised immediately.

  Fruit Bat /\0/\ 20:11 16 May 08

this error was fixed with the SP2 update!

In Windows, click on Start->Run, enter "regedit".
# Navigate to the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi\Parameters registry subkey.
# From the Edit menu, select New, DWORD Value.
# Enter the name EnableBigLba, then press Enter.
# Double-click the new value, set it to 1, then click OK.
# Close the registry editor.
# Restart the machine for the change to take effect.

  Scubaman 20:40 16 May 08

It is a new Western Digital HDD Jack. I have changed the Registry Fruit Bat. While I was waiting for a reply I found a program, swissnife and downloaded and ran that. It now shows 465GB, is that normal?

  Peter 20:53 16 May 08

.

Yes, 465 GB for a 500 GB drive is about right. Hard drive manufacturers fiddle the figure by using 1,000 bytes in place of 1,024 for 1KB, 1,000,000 in place of 1,048,576 for 1MB, 1,000,000,000 in place of 1073741824 for 1GB, etc., etc., resulting in an approximately 7% error for drive capacities in GB and nearly a 10% error when you reach terabytes!

Peter.

  Stuartli 23:33 16 May 08

Seagate's Disk Wizard does this automatically i.e. allows larger capacities to be freely used.

  jack 08:25 17 May 08

.

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