Hardware Reference
4.5.6Serial Ports
COM1 is the top connector. COM2 is the bottom connector.
Table 4-7. Serial Port Connector Pinout (J4)
Pin | Signal Name |
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1 | DCD |
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2 | Serial In (SIN) |
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3 | Serial Out (SOUT) |
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4 | DTR |
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5 | GND |
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6 | DSR |
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7 | RTS |
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8 | CTS |
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9 | RI |
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4.5.7IDE Connector
Table 4-8. PCI IDE1 (JP3) and IDE2 (JP4) Connector
Pin | Signal Name | Pin | Signal Name |
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1 | Reset IDE | 2 | Ground |
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3 | Host Data 7 | 4 | Host Data 8 |
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5 | Host Data 6 | 6 | Host Data 9 |
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7 | Host Data 5 | 8 | Host Data 10 |
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9 | Host Data 4 | 10 | Host Data 11 |
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11 | Host Data 3 | 12 | Host Data 12 |
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13 | Host Data 2 | 14 | Host Data 13 |
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15 | Host Data 1 | 16 | Host Data 14 |
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17 | Host Data 0 | 18 | Host Data 15 |
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19 | Ground | 20 | Key |
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21 | DRQ3 | 22 | Ground |
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23 | I/O Write# | 24 | Ground |
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25 | I/O Read# | 26 | Ground |
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27 | IOCHRDY | 28 | BALE |
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29 | DACK3# | 30 | Ground |
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31 | IRQ14 | 32 | IOCS16# |
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33 | Addr 1 | 34 | Ground |
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35 | Addr 0 | 36 | Addr 2 |
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37 | Chip Select 0# | 38 | Chip Select 1# |
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|
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39 | Activity | 40 | Ground |
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Celeron™ Processor Development Kit Manual |
