Appendices
Hard Disk Connector
This connector supplies hard disk drive signals which interface with the software I/O drivers to provide the read/write functions.
2
1
40
39
| Figure | ||
Pin Description | Pin | Description | |
1 | /Reset | 21 | NC |
2 | Ground (GND) | 22 | Ground (GND) |
3 | Data Bit 7 (SD7) | 23 | |
4 | Data Bit 8 (SD8) | 24 | Ground (GND) |
5 | Data Bit 6 (SD6) | 25 | |
6 | Data Bit 9 (SD9) | 26 | Ground (GND) |
7 | Data Bit 5 (SD5) | 27 | IOCHRDY |
8 | Data Bit 10 (SD10) | 28 | ALE\ |
9 | Data Bit 4 (SD4) | 29 | NC |
10 | Data Bit 11 (SD11) | 30 | Ground (GND) |
11 | Data Bit 3 (SD3) | 31 | IRQ14 |
12 | Data Bit 12 (SD12) | 32 | /IOCS16 |
13 | Data Bit 2 (SD2) | 33 | Address Bit 1 (SA1) |
14 | Data Bit 13 (SD13) | 34 | NC |
15 | Data Bit 1 (SD1) | 35 | Address Bit 0 (SA0) |
16 | Data Bit 14 (SD14) | 36 | Address Bit 2 (SA2) |
17 | Data Bit 0 (SD0) | 37 | Chip Select 0 |
18 | Data Bit 15 (SD15) | 38 | Chip Select 1 |
19 | Ground (GND) | 39 | /HDLED |
20 | NC | 40 | Ground (GND) |
34 | CommPlete 4000 Communications Server User Guide |
