DEVICEPARAMETERBLOCK: Difference between revisions
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== DEVICEPARAMETERBLOCK == | ==DEVICEPARAMETERBLOCK== | ||
Device Parameter Block data structure. | Device Parameter Block data structure. | ||
=== Type === | === Type === | ||
[[USHORT]] reserved1 | |||
[[ | USHORT cCylinders | ||
USHORT cHeads | |||
USHORT cSectorsPerTrack | |||
USHORT reserved2 | |||
USHORT reserved3 | |||
USHORT reserved4 | |||
USHORT reserved5 | |||
==== C Declaration Method ==== | ==== C Declaration Method ==== | ||
typedef struct | typedef struct | ||
=== Fields === | === Fields === | ||
;reserved1:Reserved | |||
;cCylinders:Number of Cylinders on the physical drive. | |||
;cHeads:Number of Heads on the physical drive. | |||
;cSectorsPerTrack:Number of Sectors per track on the physical drive | |||
;reserved2:Reserved | |||
;reserved3:Reserved | |||
;reserved4:Reserved | |||
;reserved5:Reserved | |||
[[Category: | [[Category:Data type]] |
Revision as of 19:23, 2 November 2016
DEVICEPARAMETERBLOCK
Device Parameter Block data structure.
Type
USHORT reserved1 USHORT cCylinders USHORT cHeads USHORT cSectorsPerTrack USHORT reserved2 USHORT reserved3 USHORT reserved4 USHORT reserved5
C Declaration Method
typedef struct
Fields
- reserved1
- Reserved
- cCylinders
- Number of Cylinders on the physical drive.
- cHeads
- Number of Heads on the physical drive.
- cSectorsPerTrack
- Number of Sectors per track on the physical drive
- reserved2
- Reserved
- reserved3
- Reserved
- reserved4
- Reserved
- reserved5
- Reserved