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Table 1423

Bitfields for device information word:
Bit(s)	Description	)
 character device
  14	device driver can process IOCTL requests (see AX=4402h"DOS 2+")
  13	output until busy supported
  11	driver supports OPEN/CLOSE calls
   8	??? (set by MS-DOS 6.2x KEYB)
   7	set (indicates device)
   6	EOF on input
   5	raw (binary) mode
   4	device is special (uses INT 29)
   3	clock device
   2	NUL device
   1	standard output
   0	standard input
 disk file
  15	file is remote (DOS 3.0+)
  14	don't set file date/time on closing (DOS 3.0+)
  11	media not removable
   8	(DOS 4 only) generate INT 24 if no disk space on write or read past
	  end of file
   7	clear (indicates file)
   6	file has not been written
  5-0	drive number (0 = A:)
SeeAlso: INT 29

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