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IMS IMSAI 8080 User Manual page 457

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PIO CONNECTOR (J2 and J3) SIGNAL DEFINITION
MIO E DG E CONNECTOR E IA CONNECTOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Table 10
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
— —
User Guide
SIGNAL NAME
Ground
+16 Volts
Output Data Bit 0
Input Data Bit 0
Output Data Bit 1
Input Data Bit 1
Output Data Bit 2
Input Data Bit 2
Output Data Bit 3
Input Data Bit 3
Output Data Bit 4
Input Data Bit 4
Output Data Bit 5
Input Data Bit 5
Output Data Bit 6
Input Data Bit 6
Output Data Bit 7
Input Data Bit 7
Output Data Ready
Input Data Accepted
External Output Strobe
Input Strobe
+5 Volts
-16 Volts
Output Strobe
2 - 2 7

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