EMAC PCM-53E52, User Manual

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COM4 (HDR4)
Pin Signal DB9 Description
1 NC -
2 NC RxD
3 RxD TxD
4 NC -
5 TxD GND
6 NC -
7 NC -
8 NC -
9 GND -
10 NC --
Floppy drive (HDR5)
Pin Signal Pin Signal
1 GND 2 DENSITY SELECT
3 GND 4 N/C
5 GND 6 N/C
7 GND 8 INDEX
9 GND 10 MOTOR 0
11 GND 12 DRIVE SELECT 1
13 GND 14 DRIVE SELECT 0
15 GND 16 MOTOR 1
17 GND 18 DIRECTION
19 GND 20 STEP
21 GND 22 WRITE DATA
23 GND 24 WRITE GATE
25 GND 26 TRACK 0
27 GND 28 WRITE PROTECT
29 GND 30 READ DATA
31 GND 32 HEAD SELECT
33 GND 34 DISK CHANGE
Power Connector (HDR6)
Pin Signal
1 +5 V
2 GND
3 GND
4 +12 V