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BIOS and large HDDs?

Posted on 2000-03-13
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Last Modified: 2013-12-28
Greetings:

I was recently told that Windows 98 will handle large Hard Drives, providing the BIOS can handle it, or if the BIOS can be upgraded to handle the large Hard Drives.

I would like to know how to find out if a BIOS will handle a certain size HDD without actually trying to install said large HDD?  (Specifically, I am speaking of a 10.5 Gb HDD and the computer is a Compaq that has already been set up with a new HDD, new O/S software, etc. )

Karl
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Question by:KarlAibling
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Expert Comment

by:CoolAss
ID: 2614959
Most BIOSes later than 1997 will handle what is called LBA mode hard drivers, which are large hard drives.

To be sure, check the vendors web site. They will tell you there.

You can also look for LBA mode or UDMA (sometimes just DMA) 33 or 66 modes in the BIOS HHD setup. These are also LBA, and support large drives.
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andres99 earned 50 total points
ID: 2615790
If the Compaq PC has a processor running at 133Mhz or faster its BIOS will be able to support a larger hard drive as when this processor was launched higher capacity drives were already in existence. If the PC is of a slower spec you could probably obtain a BIOS upgrade for it via www.compaq.com, the file you download will extract it self onto a 3.5 inch disk. If you reboot with this in the drive and follow the on screen prompts you will be able to upgrade the PC's BIOS. That all said the only systems I have had problems with when it comes to large drives are 486's and below.
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Author Comment

by:KarlAibling
ID: 2616610
Andres99:  Thank you for your clear and simple answer.

CoolAss:  I also thank you for your answer.  Appreciate the help gentlemen.

Karl
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