Jupiter Ace.

Jupiter Ace Expansion Port

Edge Connector Direction 50-way IDC
Adaptor Edge Connector Direction 50-way IDC
Adaptor

Gnd Upper 01 50 N.C. Lower 01 - 49

Gnd Upper 02 48 /INT Lower 02 47

+9V Upper 03 46 /NMI Lower 03 45

+5V Upper 04 44 /HALT Lower 04 43

CK Upper 05 42 /MREQ Lower 05 41

A11 Upper 06 40 /IORQ Lower 06 39

A12 Upper 07 38 /RD Lower 07 37

A13 Upper 08 36 /WR Lower 08 35

A14 Upper 09 34 /BUSAK Lower 09 33

A15 Upper 10 32 /WAIT Lower 10 31

D4 Upper 11 30 /BUSRQ Lower 11 29

D3 Upper 12 28 /RESET Lower 12 27

D5 Upper 13 26 /M1 Lower 13 25

A2 Upper 14 24 /RFSH Lower 14 23

A10 Upper 15 22 A6 Lower 15 21

A9 Upper 16 20 A5 Lower 16 19

A8 Upper 17 18 A4 Lower 17 17

A7 Upper 18 16 A3 Lower 18 15

A0 Upper 19 14 A1 Lower 19 13

D1 Upper 20 12 D0 Lower 20 11

D6 Upper 21 12 D2 Lower 21 9

/WE Upper 22 10 D7 Lower 22 7

Gap (Upper 23) - 6 Gap (Lower 23) - 5

N.C. (Upper 24) - 4 N.C. (Lower 24) - 3

N.C. (Upper 25) - 2 N.C. (Lower 25) - 1

Jupiter Ace Expansion Port
Edge Connector	Direction	50-way IDC Adaptor	Edge Connector	Direction	50-way IDC Adaptor
Gnd	Upper 01		50	N.C.	Lower 01	-	49
Gnd	Upper 02		48	/INT	Lower 02		47
+9V	Upper 03		46	/NMI	Lower 03		45
+5V	Upper 04		44	/HALT	Lower 04		43
CK	Upper 05		42	/MREQ	Lower 05		41
A11	Upper 06		40	/IORQ	Lower 06		39
A12	Upper 07		38	/RD	Lower 07		37
A13	Upper 08		36	/WR	Lower 08		35
A14	Upper 09		34	/BUSAK	Lower 09		33
A15	Upper 10		32	/WAIT	Lower 10		31
D4	Upper 11		30	/BUSRQ	Lower 11		29
D3	Upper 12		28	/RESET	Lower 12		27
D5	Upper 13		26	/M1	Lower 13		25
A2	Upper 14		24	/RFSH	Lower 14		23
A10	Upper 15		22	A6	Lower 15		21
A9	Upper 16		20	A5	Lower 16		19
A8	Upper 17		18	A4	Lower 17		17
A7	Upper 18		16	A3	Lower 18		15
A0	Upper 19		14	A1	Lower 19		13
D1	Upper 20		12	D0	Lower 20		11
D6	Upper 21		12	D2	Lower 21		9
/WE	Upper 22		10	D7	Lower 22		7
Gap	(Upper 23)	-	6	Gap	(Lower 23)	-	5
N.C.	(Upper 24)	-	4	N.C.	(Lower 24)	-	3
N.C.	(Upper 25)	-	2	N.C.	(Lower 25)	-	1

Prepared by F.T. Gowen
Last modified: 29th. August, 2001

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