Drive write access

Can you write to the sectors using a disc editor, eg HxD or DMDE (both freeware)?

If not, try using NazYura’s tools to read the drive’s firmware modules. One or more of these may be damaged.

You will need to use the standard ISA IDE ports (0x170 and 0x1F0).

http://nazyura.hardw.net/000006.htm