Mouse and keyboard port connectors
65
43
2 1
Table 28. Mouse port connector pin assignments
Pin | Signal | I/O | Pin | Signal | I/O |
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1 | Data | I/O | 4 | +5 V dc | N/A |
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2 | Reserved | I/O | 5 | Clock | I/O |
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3 | Ground | N/A | 6 | Reserved | N/A |
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Table 29. Keyboard port connector pin assignments |
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Pin | Signal | I/O | Pin | Signal | I/O |
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1 | Keyboard data | I/O | 4 | +5 V dc | N/A |
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2 | Mouse data | I/O | 5 | Keyboard | I/O |
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| Clock |
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3 | Ground | N/A | 6 | Mouse clock | N/A |
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Serial port connector
15
6 9
Table 30. Serial port connector pin assignments
Pin | Signal | I/O | Pin | Signal | I/O |
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1 | Data carrier detect | I | 5 | Ground | N/A |
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2 | Receive data# | I | 6 | Data set ready | I |
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3 | Transmit data# | O | 7 | Request to send | O |
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4 | Data terminal read | O | 8 | Clear to send | I |
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9 | Ring indicator |
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Appendix A. Connector pin assignments 45
