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FS-979 User’s Manual I/O Port Pin Assignment
Floppy Port 46
A.3 < Floppy Port >
34
2
Connector: Floppy
Type: 34-pin (2 x 17) header
33
1
Pin Description Pin Description
1 Ground 2 DRIVE DENSITY SELECT 0
3 Ground 4 DRIVE DENSITY SELECT 1
5 Ground 6 N/C
7 Ground 8 INDEX-
9 Ground 10 MOTOR ENABLE A-
11 Ground 12 DRIVER SELECT B-
13 Ground 14 DRIVER SELECT A-
15 Ground 16 MOTOR ENABLE B-
17 Ground 18 DIRECTION-
19 Ground 20 STEP-
21 Ground 22 WRITE DATA-
23 Ground 24 WRITE GATE-
25 Ground 26 TRACK 0-
27 Ground 28 WRITE PROTECT-
29 Ground 30 READ DATA-
31 Ground 32 HEAD SELECT-
33 Ground 34 DISK CHANGE-
A.4 <IrDA Port>
5
Connector: CN_IR
Type: 5-pin header for SIR Ports
1
Pin Description
1 VCC
2 N/C
3 IRRX
4 Ground
5 IRTX