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Apple Communication Slot

112 PIN UNKNOWN CONNECTOR

Available on:
Apple Macintosh 575 family
Apple Macintosh 630 family
Apple Macintosh 5200 family
Apple Macintosh 5300 family
Apple Performa 6200CD series
Apple Performa 6300 series

Pin	Name	Description
1	Audio MODEM to Host
2	Audio Host to MODEM
3	Audio MH GND
4	MIC to MODEM
5	R/W*
6	DS*
7	BERR*
8	DSACK1*
9	DSACK0*
10	GND
11	IOSIZE0*
12	C16M
13	IOSIZE1*
14	GND
15	RESET*
16	Bus Grant-Sacramento
17	IOD[31]
18	IOD[30]
19	IOD[29]
20	IOD[28]
21	IOD[27]
22	IOD[26]
23	IOD[25]
24	IOD[24]
25	IOD[23]
26	IOD[22]
27	+5V
28	IOD[21]
29	IOD[20]
30	IOD[19]
31	IOD[18]
32	IOD[17]
33	IOD[16]
34	IOD[15]
35	IOD[14]
36	IOD[13]
37	IOD[12]
38	IOD[11]
39	IOD[10]
40	IOD[9]
41	IOD[8]
42	GND
43	IOD[7]
44	IOD[6]
45	IOD[5]
46	IOD[4]
47	IOD[3]
48	IOD[2]
49	IOD[1]
50	IOD[0]
51	BGACK*
52	Bus Request-Sacramento
53	IO_CS_TIMED*
54	IO_CS_DSACK*
55	+5V
56	Sacramento IRQ*
57	IOA[1]
58	IOA[0]
59	A[2]
60	A[3]
61	A[4]
62	A[5]
63	A[6]
64	A[7]
65	A[8]
66	A[9]
67	A[10]
68	A[11]
69	A[12]
70	GND
71	A[13]
72	A[14]
73	A[15]
74	A[16]
75	A[17]
76	A[18]
77	A[19]
78	A[20]
79	A[21]
80	A[22]
81	A[23]
82	A[24]
83	+5V
84	A[25]
85	A[26]
86	A[27]
87	A[28]
88	A[29]
89	A[30]
90	A[31]
91	CPU_AS*
92	GND
93	TRICKLE+5V
94	System wakeup
95	'040 bus clock
96	-5V
97	+12V
98	GND
99	spare
100	C32M
101	spare
102	GND
103	spare
104	spare
105	SCC port A enable
106	spare
107	TxDA
108	RxDA
109	RTSA*
110	CTSA*
111	DTRA*
112	DCDA*

Name

Description

Audio MODEM to Host

Audio Host to MODEM

Audio MH GND

MIC to MODEM

R/W*

DS*

BERR*

DSACK1*

DSACK0*

GND

IOSIZE0*

C16M

IOSIZE1*

GND

RESET*

Bus Grant-Sacramento

IOD[31]

IOD[30]

IOD[29]

IOD[28]

IOD[27]

IOD[26]

IOD[25]

IOD[24]

IOD[23]

IOD[22]

+5V

IOD[21]

IOD[20]

IOD[19]

IOD[18]

IOD[17]

IOD[16]

IOD[15]

IOD[14]

IOD[13]

IOD[12]

IOD[11]

IOD[10]

IOD[9]

IOD[8]

GND

IOD[7]

IOD[6]

IOD[5]

IOD[4]

IOD[3]

IOD[2]

IOD[1]

IOD[0]

BGACK*

Bus Request-Sacramento

IO_CS_TIMED*

IO_CS_DSACK*

+5V

Sacramento IRQ*

IOA[1]

IOA[0]

A[2]

A[3]

A[4]

A[5]

A[6]

A[7]

A[8]

A[9]

A[10]

A[11]

A[12]

GND

A[13]

A[14]

A[15]

A[16]

A[17]

A[18]

A[19]

A[20]

A[21]

A[22]

A[23]

A[24]

+5V

A[25]

A[26]

A[27]

A[28]

A[29]

A[30]

A[31]

CPU_AS*

GND

TRICKLE+5V

System wakeup

'040 bus clock

-5V

+12V

GND

spare

100

C32M

101

spare

102

GND

103

spare

104

spare

105

SCC port A enable

106

spare

107

TxDA

108

RxDA

109

RTSA*

110

CTSA*

111

DTRA*

112

DCDA*

Note: * = active low signal

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