DosDevConfig

This call gets information about attached devices.

DosDevConfig

(DeviceInfo, Item, Parm)

DeviceInfo (PVOID) - output

Address of the byte-wide field containing the requested information.
Item (USHORT) - input
Device information requested.

Value

Definition
0
Number of printers attached
1
Number of RS232 ports
2
Number of diskette drives
3
Presence of math coprocessor (where 0 = not present, 1 = present)
4
PC Submodel Type ( where the return is the system submodel byte)
5
PC Model Type ( where the return is the system model byte)
6
Display adapter type (where 0 = monochrome mode compatible, 1 = other).
Parm (USHORT) - input
Reserved for future use and should be set to zero.
rc (USHORT) - return
Return code descriptions are:
• NO_ERROR 87
  ERROR_INVALID_PARAMETER
  Remarks

  The system model (function 5) and submodel (function 4) information is obtained from BIOS.

  In addition, the number of devices attached in a PS/2 environment reflect only devices that are "awake". Devices that are "asleep" are not counted.

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