Specifications

2–10 System Configuration and Connectors
Subject to Change – 17 January 1997
AlphaPC 164 Connector Pinouts
Table 2–5 IDE Drive Bus Connector Pinouts (J13, J14)
Pin Signal Pin Signal Pin Signal Pin Signal
1 RESET 2 GND 3 IDE_D7 4 IDE_D8
5 IDE_D6 6 IDE_D9 7 IDE_D5 8 IDE_D10
9 IDE_D4 10 IDE_D11 11 IDE_D3 12 IDE_D12
13 IDE_D2 14 IDE_D13 15 IDE_D1 16 IDE_D14
17 IDE_D0 18 IDE_D15 19 GND 20 NC (key pin)
21 MARQ 22 GND 23 IOW
24 GND
25 IOR
26 GND 27 CHRDY 28 BALE
29 MACK 30 GND 31 IRQ 32 IOCS16
33 ADDR1 34 NC 35 ADDR0 36 ADDR2
37 CS0
38 CS1 39 ACT 40 GND
Table 2–6 Diskette Drive Bus Connector Pinouts (J18)
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 (J16)
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 —— —— — —