DEVICEPARAMETERBLOCK: Difference between revisions
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Device Parameter Block data structure. | Device Parameter Block data structure. | ||
== Type == | |||
[[USHORT]] reserved1 | [[USHORT]] reserved1 | ||
USHORT cCylinders | USHORT cCylinders | ||
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USHORT reserved4 | USHORT reserved4 | ||
USHORT reserved5 | USHORT reserved5 | ||
=== C Declaration Method === | |||
typedef struct | typedef struct | ||
== Fields == | |||
;reserved1:Reserved | ;reserved1:Reserved | ||
;cCylinders:Number of Cylinders on the physical drive. | ;cCylinders:Number of Cylinders on the physical drive. | ||
Latest revision as of 00:40, 9 February 2020
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