error: attempt to read or write outside of disk 'hd0'

[vinayak holikatti]

Hi All,

I am developing an Legacy Option ROM for our controller. We are facing issue in loading FC 17 installed on our device. Windows 8 Installs and boots fine. But for FC 17 32-bit we find an error message during booting as below

"error: attempt to read or write outside of disk 'hd0'

Entering rescue mode...

grub_rescue>

I am suspecting that INT13 routine with function 48h ( Get Extended Drive parameters). If we disable  extended functions then FC 17 boots.

I would like to know in what circumstances we get the error message. If it needs to be corrected then what should it be. 

Thanks in Advance.

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Regards,
Vinayak Holikatti