Amiga Zorro Bus

86 PIN CARD CONNECTOR

86 pin edge connector male at the Amiga 500 and 1000.

100 PIN EDGE CONNECTOR

100 pin edge connector female at the Amiga 2000, 1200-Zorroboard, 3000 and 4000.
Pin A500  
A500+		 A1000 A2000 A2000B
A1200-
Zorro-
board		   A3000
& A4000
Zorro-II
 Mode		 Physical
Name		 Description Zorro II
Name		 Zorro
 III
Address
 Phase		 Zorro
 III
Data
 Phase
1 X X X X X GND Ground      
2 X X X X X GND Ground      
3 X X X X X GND Ground      
4 X X X X X GND Ground      
5 X X X X X +5V +5 Volts DC      
6 X X X X X +5V +5 Volts DC      
7 n/c n/c n/c n/c X /OWN /OWN      
8 X X X X X -5V -5 Volts DC      
9 n/c
n/c		 n/c
n/c		 X
-		 X
-		 -
X		 28CLOCK
/SLAVE		 28MHz Clock
/SLAVEn		      
10 X X X X X +12V +12 Volts DC      
11 n/c n/c n/c X X /CFGOUT        
12 X X X X X /CFGIN Grounded      
13 X X X X X GND Ground      
14 X X X X X /C3 C3 Clock      
15 X X X X X CDAC CDAC Clock      
16 X X X X X /C1 C1 Clock      
17 X X X X X /OVR     /CINH /CINH
18 X X X X X RDY Ready   /MTCR /MTCR
19 X X X X X /INT2 Interrupt 2      
20 n/c
n/c
n/c		 X
-
-		 n/c
n/c
n/c		 -
X
-		 -
-
X		 /PALOPE
/BOSS
-12V

-12V DC		      
21 X X X X X A5 Address 5      
22 X X X X X /INT6 Interrupt 6      
23 X X X X X A6 Address 6      
24 X X X X X A4 Address 4      
25 X X X X X GND Ground      
26 X X X X X A3 Address 3      
27 X X X X X A2 Address 2      
28 X X X X X A7 Address 7      
29 X X X X X /LOCK Address 1 A1    
30 X X X X X A8 Address 8      
31 X X X X X FC0 Processor status 0      
32 X X X X X A9 Address 9     D1
33 X X X X X FC1 Processor status 1      
34 X X X X X A10 Address 10     D2
35 X X X X X FC2 Processor status 2      
36 X X X X X A11 Address 11     D3
37 X X X X X GND Ground      
38 X X X X X A12 Address 12     D4
39 X X X X X A13 Address 13     D5
40 X
-		 X
-		 X
-		 X
-		 -
X		 /IPL0
(/EINT7)		        
41 X X X X X A14 Address 14     D6
42 X
-		 X
-		 X
-		 X
-		 -
X		 /IPL1
(/EINT5)		        
43 X X X X X A15 Address 15     D7
44 X
-		 X
-		 X
-		 X
-		 -
X		 /IPL2
(/EINT4)		        
45 X X X X X A16 Address 16     D8
46 X X X X X /BERR Bus Error      
47 X X X X X A17 Address 17     D9
48 X X X X ? /MTACK   (/VPA)    
49 X X X X X GND Ground      
50 X X X X X ECLK E Clock      
51 X X X X ? /DS0   (/VMA)    
52 X X X X X A18 Address 18     D10
53 X X X X X /RST Reset      
54 X X X X X A19 Address 19     D11
55 X X X X X /HLT Halt      
56 X X X X X A20 Address 20     D12
57 X X X X X A22 Address 22     D14
58 X X X X X A21 Address 21     D13
59 X X X X X A23 Address 23     D15
60 X
-		 X
-		 X
-		 -
X		 X
-		 /BR
/CBR		 (for DMA)
 		      
61 X X X X X GND Ground      
62 X X X X X /BGACK        
63 X X X X X A31 Data 15 D15    
64 X
-		 X
-		 X
-		 -
X		 X
-		 /BG
/CBG		 (for DMA)
 		      
65 X X X X X A30 Data 14 D14   D30
66 X X X X X /DTACK        
67 X X X X X A29 Data 13 D13   D29
68 X X X X X R/W Read/Write      
69 X X X X X A28 Data 12 D12   D28
70 X X X X X /DS2   /LDS    
71 X X X X X A27 Data 11 D11   D27
72 X X X X X /DS3   /UDS    
73 X X X X X GND Ground      
74 X X X X X /CCS   /AS    
75 X X X X X SD0 Data 0 D0 res D16
76 X X X X X A26 Data 10 D10   D26
77 X X X X X SD1 Data 1 D1 res D17
78 X X X X X A25 Data 9 D9   D25
79 X X X X X SD2 Data 2 D2 res D18
80 X X X X X A24 Data 8 D8   D24
81 X X X X X SD3 Data 3 D3 res D19
82 X X X X X SD7 Data 7 D7 res D23
83 X X X X X SD4 Data 4 D4 res D20
84 X X X X X SD6 Data 6 D6 res D22
85 X X X X X GND Ground      
86 X X X X X SD5 Data 5 D5 res D21
87 - - X X X GND Ground      
88 - - X X X GND Ground      
89 - - X X X GND Ground      
90 - - X X X GND Ground      
91 - - X X X SenseZ3 Low = Zorro 2 GND    
92 - - X X X 7M 7.16MHz PAL
7.??MHz NTSC		      
93 - - X X X DOE DataOutEnable      
94 - - X X X /BUSRST Bus Reset      
95 - - ? ? X /BCLR   /GBG    
96 - - ? ? X Reserved   (/EINT1)    
97 - - n/c n/c n/c /FCS   n/c    
98 - - n/c n/c n/c /DS1   n/c    
99 - - X X X GND Ground      
100 - - X X X GND Ground      

Source: Amiga Hardware Reference Manual

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