Diskette (Floppy) Drive Bus Connector Pinouts (J33); Parallel Bus Connector Pinouts (J13) - Samsung AlphaPC 164UX Technical Reference Manual

2.5.5 Diskette Drive Bus Connector Pinouts
Table 2–6 shows the diskette (floppy) drive bus connector pinouts.
Table 2–6 Diskette (Floppy) Drive Bus Connector Pinouts (J33)
Pin Signal Pin
1 Gnd 2
5 Gnd 6
9 Gnd 10
13 Gnd 14
17 Gnd 18
21 Gnd 22
25 Gnd 26
29 ID0 30
33 ID1 34
2.5.6 Parallel Bus Connector Pinouts
Table 2–7 shows the parallel bus connector pinouts.
Table 2–7 Parallel Bus Connector Pinouts (J13)
Pin Signal Pin
1 STB 2
5 PD3 6
9 PD7 10
13 SLCT 14
17 SLIN 18
21 Gnd 22
25 Gnd —
AlphaPC 164UX Connector Pinouts
Signal Pin Signal
DEN0 3 Gnd
DEN1 7 Gnd
MTR0 11 Gnd
DR0 15 Gnd
DIR 19 Gnd
WDATA 23 Gnd
TRK0 27 Gnd
RDATA 31 Gnd
DSKCHG — —
Signal Pin Signal
PD0 3 PD1
PD4 7 PD5
ACK 11 BUSY
AFD 15 ERR
Gnd 19 Gnd
Gnd 23 Gnd
— — —
System Configuration and Connectors
Pin Signal
4 NC
8 INDEX
12 DR1
16 MTR1
20 STEP
24 WGATE
28 WRTPRT
32 HDSEL
— —
Pin Signal
4 PD2
8 PD6
12 PE
16 INIT
20 Gnd
24 Gnd
— —
2–11