Re: Award Bios

Re: Award Bios


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Posted by Henry on October 25, 2001 at 20:11:55:

In Reply to: Award Bios posted by Alan J Wheeler on October 25, 2001 at 09:12:54:

: Is it possibe to corrupt the BIOS and if so, can it be over written, and how, i have an older western digital 850mb drive which ia pretty sure is corrupted by trying to trnsfer files directly from this drive to a larger one via software by EZ computers,since then i have not been able to access the 850mb drive? i hope this makes sense.
: A wheeler


If I understand correctly, you have a PC that recognizes "small" HDDs, like maybe up to 2.1 or maybe 8.4GB (anyway much smaller than your new HDD). You wanted to transfer the files directly to a large HDD, larger than your PC recognizes on its own. You used EZ Drive or something like that to make your PC recognize the new HDD. Now your PC is confused and does not work like it should.

If I understand your problem correctly, then:
1. The onboard BIOS was not affected.
2. The new, large HDD was "Master" and the old HDD was "Slave"
3. You have a mess because (apparently) EZ-Drive (or whatever) wants to read the HDDs in a different way than the 850 MB drive was formatted and written.
4. The 850 MB HDD probably wasn't affected; try it alone, as master; it should boot as before.
5. Read about the problems of removing EZ-Drive/EZ-BIOS at:
http://www.wdc.com/service/FAQ/ezdrive.html#lba

Above article was for W-D HDDs, but principle applies to most HDDs afflicted by drive overlay programs.

I suggest that you get an ATA/66 expansion card (about $20 USD) that supports HDDs up to about 128GB; it will recognize the 850 and the new drive without any help from EZ-Drive. Follow the article to unsnarl your HDDs - don't worry about data loss on the big HDD as long as the 850 MB HDD is still OK. At worst, with the 850 MB HDD installed as master, boot to a bootable floppy with fdisk on it and fix the 850MB HDDs master boot record:
fdisk /mbr (enter)

Programs like EZ-Drive/EZ-BIOS and Disk Manager alter the master boot record (and more) on the master HDD. The firmware BIOS loads itself and caches it in RAM. BIOS begins reading MBR and EXTENDS the cached BIOS so it will recognize large HDDs; amended BIOS continues booting up. Some folks claim that drive overlays are wonderful - and they probably work OK as long as you have only one HDD or identical HDDs and you are starting with fresh HDDs and you NEVER need to be compatible with another system and you NEVER have a dead HDD and you NEVER need to replace or add a HDD. I refuse to use Drive Overlay programs, based on similar experience many years ago.

Hope this helps; Post again with more detail if I misunderstood your situation.

Henry


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