# 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

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07