B-12 SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual • November 1993
B.13 Diskette Drive Connector (Internal)
FIGURE B-14 Diskette Drive Connector
21 Ground 46 cd*
22 Ground 47 Ground
23 N/C 48 reg*
24 N/C 49 Ground
25 N/C 50 io*
TABLE B-12 Pinout for Diskette Drive Connector
Pin Description Pin Description
1 eject 18 direction
2 N/C 19 Ground
3 Ground 20 step
4 N/C 21 Ground
5 Ground 22 write data
6 N/C 23 Ground
7 Ground 24 write gate
8 Index 25 Ground
9 Ground 26 track 0
10 drive select 0 27 Ground
11 Ground 28 write protect
12 N/C 29 Ground
13 Ground 30 read data
TABLE B-11 Pinout for Internal SCSI Connector (Continued)
Pin Description Pin Description
33
34 2
1
4
3
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