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absread( ) problem

i am not able to access the hard disk sectors with the absread() function of borland turboc C++.
errno states that the function number is not correct.i also tried to use int25h which absread uses but all in vain.please help.thanks

DanRollins

What is the operating system that you are using? In protected-mode, multithreaded O/Ses like Windows, low-level disk access is disallowed in order to prevent disk corruption.

Sometimes you can lock a disk before attempting low-level access.

-- Dan

vinayak_j

ASKER

thanks DanRollins.I am using win98SE can you throw more light on locking disks the way i should access them.

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DanRollins

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Shivshankar

Your win98SE might have formatted the hard-disk in FAT32 file format.

absread are so old that they don't know anything beyond FAT16. This might be the reason.

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