COMMELL HS-872PE - Manual (Page 44)

HS-872P(E) User’s Manual I/O Port Pin Assignment
Floppy Port 44
A.3 < Floppy Port >
Connector: FDD
Type: 26-pin connector
Pin Description Pin Description
1 VCC 2 INDEX
3 VCC 4 DR0
5 VCC 6 DSKCHG
7 N/C 8 N/C
9 N/C 10 MTR0
11 DRVDE0 12 DIR
13 N/C 14 STEP
15 Ground 16 WRITE DATA
17 Ground 18 WRITE GATE
19 Ground 20 TRAK 0
21 N/C 22 WRPTO
23 Ground 24 RDATA-
25 Ground 26 HDSEL
A.4
Connector: CN_COM1/2
Type: 10-pin (2 x 5) 2.54-pitch header
Pin Description Pin Description
1 DCD 2 SIN
3 SO 4 DTR
5 Ground 6 DSR
7 RTS 8 CTS
9 RI 10 N/C
A.5
Connector: CN_IR
Type: 5-pin header for SIR Ports
Pin Description
1 VCC
2 N/C
3 IRRX
4 Ground
5 IRTX
10
9
2
1
1
5