How DVDROM device is identified

vbimport

#1

For some reason and thanks to Dell’s incorrect info, the firmware upgrade crashed.

Can anybody tell me the process of how BIOS identifies the DVD drive ?

I am more talking about a software solution - using tools like dos debug.exe. How can I read the raw IDE port ? I can do that for IDE harddisk using debug.exe esp by booting DOS.

I am looking to bpass BIOS if I can directly read/talk to the device.

Any help will be great. I dont mind writing something in C++

Thanks


#2

Which drive do you have?


#3

I have a TSST 632D - though I think my question doesnt change with the make of the drive.

Any clue to where I can get the info will be appreciated.

Thanks