PDSK_GETPHYSDEVICEPARAMS (63h) - Data Packet Format

┌──────────────────────────────────────────────────────┐
│Field                          Length     C Datatype  │
├──────────────────────────────────────────────────────┤
│Reserved                       WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Number of Cylinders            WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Number of Heads                WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Number of Sectors per Track    WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Reserved                       WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Reserved                       WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Reserved                       WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Reserved                       WORD       USHORT      │
└──────────────────────────────────────────────────────┘

Related C Data Structure

The DEVICEPARAMETERBLOCK data structure can be used by C programmers.

To include this data structure in your file, make sure INCL_DOSDEVIOCTL is defined before you include OS2.H.


[Back: PDSK_GETPHYSDEVICEPARAMS (63h) - Number of Sectors per Track]
[Next: PDSK_GETPHYSDEVICEPARAMS (63h) - Returns]