Amiga 1000 RAM Expansion

60 pin edge connector (.156") at the Amiga 1000 front panel.

Pin Name Description Pin Name Description
1 GND Ground A GND Ground
2 D15 Data 15 B D14 Data 14
3 +5V +5 Vdc C +5V +5 Vdc
4 D12 Data 12 D D13 Data 13
5 GND Ground E GND Ground
6 D11 Data 11 F D10 Data 10
7 +5V +5 Vdc H +5V +5 Vdc
8 D8 Data 8 J D9 Data 9
9 GND Ground K GND Ground
10 D7 Data 7 L D6 Data 6
11 +5V +5 Vdc M +5V +5 Vdc
12 D4 Data 4 N D5 Data 5
13 GND Ground P GND Ground
14 D3 Data 3 R D2 Data 2
15 +5V +5 Vdc S +5V +5 Vdc
16 D0 Data 0 T D1 Data 1
17 GND Ground U GND Ground
18 DRA4   V DRA3  
19 DRA5   W DRA2  
20 DRA6   X DRA1  
21 DRA7   Y DRA0  
22 GND Ground Z GND Ground
23 /RAS   AA /RRW  
24 GND Ground BB GND Ground
25 GND Ground CC GND Ground
26 /CASU0   DD /CASU1  
27 GND Ground EE GND Ground
28 /CASL0   FF /CASL1  
29 +5V +5 Vdc HH +5V +5 Vdc
30 +5V +5 Vdc JJ +5V +5 Vdc

Source: Amiga Hardware Reference Manual

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