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==DEVICEPARAMETERBLOCK==
Device Parameter Block data structure.
Device Parameter Block data structure.


=== Type ===
== Type ==
  [[USHORT]]  reserved1
  [[USHORT]]  reserved1
  USHORT  cCylinders
  USHORT  cCylinders
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  USHORT  reserved5
  USHORT  reserved5
   
   
==== C Declaration Method ====
=== C Declaration Method ===
typedef struct
typedef struct


=== Fields ===
== Fields ==
;reserved1:Reserved
;reserved1:Reserved
;cCylinders:Number of Cylinders on the physical drive.
;cCylinders:Number of Cylinders on the physical drive.

Revision as of 00:39, 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
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