Diskette (Floppy) Drive Bus Connector Pinouts (J15); Parallel Bus Connector Pinouts (J13) - Compaq AlphaPC 164LX User Manual

Diskette (Floppy) Drive Bus Connector Pinouts
4.5 Diskette (Floppy) Drive Bus Connector Pinouts
Table 4–5 shows the diskette (floppy) drive bus connector pinouts.
Table 4–5 Diskette (Floppy) Drive Bus Connector Pinouts (J15)
Pin Signal
1 Gnd
5 Gnd
9 Gnd
13 Gnd
17 Gnd
21 Gnd
25 Gnd
29 ID0
33 ID1
4.6 Parallel Bus Connector Pinouts
Table 4–6 shows the parallel bus connector pinouts.
Table 4–6 Parallel Bus Connector Pinouts (J13)
Pin Signal
1 STB
5 PD3
9 PD7
13 SLCT
17 SLIN
21 Gnd
25 Gnd
AlphaPC 164LX Connector Pinouts
4–6
Pin Signal
2 DEN0
6 DEN1
10 MTR0
14 DR0
18 DIR
22 WDATA
26 TRK0
30 RDATA
34 DSKCHG
Pin Signal
2 PD0
6 PD4
10 ACK
14 AFD
18 Gnd
22 Gnd
— —
Pin Signal
3 Gnd
7 Gnd
11 Gnd
15 Gnd
19 Gnd
23 Gnd
27 Gnd
31 Gnd
— —
Pin Signal
3 PD1
7 PD5
11 BUSY
15 ERR
19 Gnd
23 Gnd
— —
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
— —