Diskette Drive Connector; Figure B-17 Diskette Drive Connector J1801; Table B-19 Diskette Drive Connector, J1801, Signals And Functions - Sun Microsystems Sun Blade 1000 Service Manual

B.12

Diskette Drive Connector

1
33
FIGURE B-17
TABLE B-19
Pin
1
2
4
8
2
34
Diskette Drive Connector J1801
Diskette Drive Connector, J1801, Signals and Functions
Signal Name
FLOPPY_ESECT
MODE_SELECT
HIGH_DENSITY_IN_L
INDEX
Function
NC
When active low, MODE_SELECT sets the drive for
a 1.2-Mbyte formatted disk. When active high,
MODE_SELECT sets the drive for a 1.44-Mbyte
formatted disk.
When active low, HIGH_DENSITY_IN_L indicates
that a high-density disk is inserted into the drive.
When active, INDEX indicates the beginning of each
track. An active pulse is sent for each disk rotation.
Appendix B Signal Descriptions B-21