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Chapter 2 System Information
20
Pin Number Signal Description Pin Number Signal Description
14 Reserved 40 Ground
15-25 Ground 41 -ATN
26 -DB(0)7 42 Ground
27 -DB(1) 43 -BSY
28 -DB(2) 44 -ACK
29 -DB(3) 45 -RST
30 -DB(4) 46 -MSG
31 -DB(5) 47 -SEL
32 -DB(6) 48 -C/D
33 -DB(7) 49 -REQ
34 -DB(P) 50 -I/O
35-36 Ground
Mini-DIN Connectors
12
43
56
Mini-DIN Connector Pinouts for the Mouse and Keyboard
Mini-DIN Connector Pinouts for the Mouse and Keyboard
Pin Number Signal Description
1 Data signal
2 Not used
3 Ground
4 Power (+5 V dc)
5 Clock signal
6 Not used