Filter
Top Products
Appendix A. Connector pin assignments
Diskette drive connector
Power supply connector
Figure 23 (Page 2 of 2). IDE connector pin assignments
Pin Signal I/O Pin Signal I/O
15 Data bus bit 1 I/O 35 SA0 O
16 Data bus bit 14 I/O 36 SA2 O
17 Data bus bit 0 I/O 37 CS0# O
18 Data bus bit 15 I/O 38 CS1 O
19 Ground NA 39 Active# I
20 Key (Reserved) NA 40 Ground NA
Figure 24. Diskette Drive Connector Pin Assignments
Pin Signal I/O Pin Signal I/O
1 Drive 2 installed # I 2 High density select O
3 Not connected NA 4 Not connected NA
5 Ground NA 6 Data rate 0 NA
7 Ground NA 8 Index# I
9 Reserved NA 10 Motor enable 0# O
11 Ground NA 12 Drive select 1# O
13 Ground NA 14 Drive select 0# O
15 Ground NA 16 Motor enable 1# O
17 MSEN1 I 18 Direction in# O
19 Ground NA 20 Step# O
21 Ground NA 22 Write data# O
23 Ground NA 24 Write enable# O
25 Ground NA 26 Track0# I
27 MSEN0 I 28 Write protect# I
29 Ground NA 30 Read data# I
31 Ground NA 32 Head 1 select# O
33 Data rate 1 NA 34 Diskette change# I
Figure 25 (Page 1 of 2). Power Supply Connector Pin Assignments
Pin Signal Name Pin Signal Name
1 +3.3 V 11 +3.3 V
2 +3.3 V 12 −12 V
3 Ground 13 Ground
4 +5 V 14 ON/OFF
5 Ground 15 Ground
6 +5 V 16 Ground
7 Ground 17 Ground
8 PWR GOOD 18 Reserved
32 Technical Information Manual