HP Vectra Technical Reference Manual page 365

Table 8.6
Flexible Disc Seek Status Byte (40:03EH)
Bit Data
07H
06H-02H
01H
0
1
OOH
0
1
Table 8.7
Definition
Disc hardware interrupt occurred
Reserved
Indicates drive 1 needs recalibration before next seek
Indicates drive 1 does not need recalibration before next seek
Indicates drive 0 needs recalibration before next seek
Indicates drive 0 does not need recalibration before next seek
Flexible Disc Motor Status Byte (40:03FH)
Bit Data Definition
07H
0
Current operation is not a write
1 Current operation is a write
06H
Reserved
OSH
0
Drive one is not selected
1 Drive one is selected
04H
0
Drive zero is not selected
1
Drive zero is selected
03H-02H
Reserved
01H
0 Drive one motor is not running
1 Drive one motor is running
OOH
0
Drive zero motor is not running
1 Drive zero motor is running
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