HP Vectra Technical Reference Manual page 246

SECTION 8
TABLE OF CONTENTS
8. DiSC
239
8.1 Overview
239
8.1.1. Physical Drive Numbers
239
8.1.2. Flexible Disc Drive Support
240
8.1.3. Hard Disc Drive Support
240
8.1.4. External Disc Drives
240
8.1.5. INT 13H Disc Chain
241
8.1.5.1 INT 13H Disc Chain Linkage
241
8.1.5.2 Disc Access
243
8.2. Data Structures
244
8.2.1. Diskette Operation Table
244
8.2.2 Diskette Parameter Table
245
8.2.3 Diskette Status Table
245
8.2.4. Hard Disc Parameter Table
246
8.3.
~isc.
Driver (INT 1
~~.)
,
247
DIsc Driver Function Definitions
248
F13_RESET_DISC (AH
=
OOH)
248
F13_RD_LSTATUS (AH
=
01 H) 249
F13_RD_SECTORS (AH
=
02H)
249
F13_WLSECTORS (AH
=
03H) 251
F13_VLSECTORS (AH
=
04H)
252
F13_FORMAT_FLEX (AH
=
OSH)
253
F13_FORMAT_HDISC (AH
=
07H)
255
F13_GET_HPARMS (AH
=
08H)
256
F13-.ALT_RESET (AH
=
ODH) 257
F13_GET_DASD (AH
=
1SH)
257
F13_CHG_STATUS (AH
=
16H)
258
F13_SET_DASD (AH
=
17H)
258
8.4 Return Status Codes for INT 13H
259
237