DOS/32 Advanced DOS Extender
- Programmer's Reference
3.03 - DOS function 1Bh - Get
Default Drive Info
In:
AH = 1Bh
Out:
AL = sectors per cluster ECX = bytes per sector EDX = total number of clusters on drive DS:EBX = pointer to media ID byte
Notes:
a) The selector returned
in DS register will be zero selector, ie readable/writeable data selector
with Base=0. This is an internal to DOS/32 Advanced selector which may
NOT be freed or modified under any circumstances.