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Determine if a particular block device is removable (INT 21h, 4408h)
This call allows you to determine if a device can support
removable media (such as a floppy disk drive).
Entry:
AX = 4408h
BX = Drive (0=current, 1=A, 2=B, ...)
Return:
CF = 1
AX = Error Code
Access Denied: BX is invalid
Invalid Function: Device is a network device
CF = 0
AX = Type
00h: Drive is removable
01h: Drive is fixed
0Fh: Drive not valid
See Also:
INT 21h, 4409h
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