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*

Note: * = active low signal

Contributor:

Joakim Ögren

Source:

Apple Tech Info Library 15081: Communication Slot Specifications at Apple TIL homepage