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Problems with lowlevel HD format

By nemesis_d ·
I've formatted my HD from the BIOS with the lowlevel HD preformat utility. Problem: The HD is 4.1GB after format it is only 475MB!!. Neither Fdisk nor format.com will recognize the drive as anything more than 475MB. I have tried this both from boot-disk and from Win95. Please help me!!!

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Problems with lowlevel HD format

by nemesis_d In reply to Problems with lowlevel HD ...

The BIOS recognizes the HD OK

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Problems with lowlevel HD format

by maxwell edison In reply to Problems with lowlevel HD ...

Some disk drives will not support a low level format. Fijitsu, for example, makes the following statement: "Low-level format is a complicated process and is only performed at the factory. It can also damage your drive. Use the ZERO-FILL tool from our website."

In addition, the success of a low level format depends on your computer BIOS. There has to be LBA (Logical Block Addressing) support.

So you need to verify the capability of the BIOS and check with the drive's manufacturer for a compatible utility for the low level format.

Check out this site as well. Some insight into low level format will be provided.

http://www.seagate.com/support/kb/disc/low_level_ata.html

(REMOVE SPACES from the pasted URL.)

Maxwell

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Problems with lowlevel HD format

by nemesis_d In reply to Problems with lowlevel HD ...

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Problems with lowlevel HD format

by TimTheToolMan In reply to Problems with lowlevel HD ...

Hi,

Remembering that after a format, the drive will appear even smaller than its rated maximum, its possible you're suffering from the following...

http://www.computerhope.com/issues/ch000182.htm

(remove spaces from above URL)

Failing that, check out the following which is a more generic explanation of your problem and possible solutions...

http://www.computerhope.com/issues/chsize.htm

(again remove spaces...)

Cheers,
Tim.

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Problems with lowlevel HD format

by nemesis_d In reply to Problems with lowlevel HD ...

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Problems with lowlevel HD format

by TheChas In reply to Problems with lowlevel HD ...

Have you tried fdisk with the mbr switch (fdisk /mbr)

Low level format lost it's function when IDE drives became common.

The Low Level Format utilities built into older BIOSes were for MFM and RLL drives only.

If the mbr switch doesn't fix your drive, check the drive mfg website for recovery utilities and faqs.

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Problems with lowlevel HD format

by nemesis_d In reply to Problems with lowlevel HD ...

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Problems with lowlevel HD format

by isys In reply to Problems with lowlevel HD ...

The cure will cost more than replacement. The BIOS low-level format utility is for disks smaller than 506MB. You will need a utility like Spinrite (www.spinrite.com) to correct it.

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Problems with lowlevel HD format

by nemesis_d In reply to Problems with lowlevel HD ...

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Problems with lowlevel HD format

by nemesis_d In reply to Problems with lowlevel HD ...

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