Hardware connector pinouts cables schematic wiring

Amiga Expansion Bus A.K.A Zorro I pinout

computer bus specification

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x pins UNKNOWN connector layout
x pins UNKNOWN connector
at the Amiga

These are the connections found at the side of the Amiga 1000 and Amiga 500 computers. They are electric and mechanical compatible with the single exception of being rotated 180 degrees looking at it from the top of the PCB this can cause trouble connecting a expansion meant for the A1000 into the A500 and vice versa. This Bus is like most Buses at this time a extension on the CPU Bus.

 

Pin
Number		 Pin
Name		 Description
1 Gnd  
2 Gnd  
3 Gnd  
4 Gnd  
5 Vcc  
6 Vcc  
7 7MHz  
8 -12V  
9 NC  
10 +12V  
11 NC  
12 Gnd  
13 Gnd  
14 _CCKQ  
15 _CCK  
16 XRDY  
17 CDAC  
18 _OVR  
19 _INT2  
20 NC  
21 A5  
22 _INT6  
23 A6  
24 A4  
25 Gnd  
26 A3  
27 A2  
28 A7  
29 A1  
30 A8  
31 FC0  
32 A9  
33 FC1  
34 A10  
35 FC2  
36 A11  
37 Gnd  
38 A12  
39 A13  
40 _IPL0  
41 A14  
42 _IPL1  
43 A15  
44 _IPL2  
45 A16  
46 _Berr  
47 A17  
48 _VPA  
49 Gnd  
50 E  
51 _VMA  
52 A18  
53 _RST  
54 A19  
55 _HLT  
56 A20  
57 A21  
58 A22  
59 A23  
60 _BR  
61 Gnd  
62 _BGACK  
63 D15  
64 _BG  
65 D14  
66 _DTACK  
67 D13  
68 R_W  
69 D12  
70 _LDS  
71 D11  
72 _UDS  
73 Gnd  
74 _AS  
75 D0  
76 D10  
77 D1  
78 D9  
79 D2  
80 D8  
81 D3  
82 D7  
83 D4  
84 D6  
85 Gnd  
86 D5  

 


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Pinoutsguide.com > Buses and slots connectors pinouts > Pinout of Amiga Expansion Bus A.K.A Zorro I
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