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System Configuration and Connectors 2–11
AlphaPC 164SX Connector Pinouts
2.7.5 Diskette (Floppy) Drive Bus Connector Pinouts
Table 2–6 shows the diskette (floppy) drive bus connector pinouts.
2.7.6 Parallel Bus Connector Pinouts
Table 2–7 shows the parallel bus connector pinouts.
Table 2–6 Diskette (Floppy) Drive Bus Connector Pinouts (J11)
Pin Signal Pin Signal Pin Signal Pin Signal
1 Gnd 2 DEN0 3 Gnd 4NC
5Gnd 6 DEN1 7 Gnd 8 INDEX
9 Gnd 10 MTR0 11 Gnd 12 DR1
13 Gnd 14 DR0 15 Gnd 16 MTR1
17 Gnd 18 DIR 19 Gnd 20 STEP
21 Gnd 22 WDATA 23 Gnd 24 WGATE
25 Gnd 26 TRK0 27 Gnd 28 WRTPRT
29 ID0 30 RDATA 31 Gnd 32 HDSEL
33 ID1 34 DSKCHG —— — —
Table 2–7 Parallel Bus Connector Pinouts (J13)
Pin Signal Pin Signal Pin Signal Pin Signal
1 STB 2 PD0 3 PD1 4 PD2
5 PD3 6 PD4 7 PD5 8 PD6
9 PD7 10 ACK 11 BUSY 12 PE
13 SLCT 14 AFD 15 ERR 16 INIT
17 SLIN 18 Gnd 19 Gnd 20 Gnd
21 Gnd 22 Gnd 23 Gnd 24 Gnd
25 Gnd —— —— — —