Intel® 31244 PCI-X to Serial ATA Controller
Cables and Connectors
8.1.1Serial ATA Cable
The Serial ATA cable consists of four conductors in two differential pairs. When necessary, the cable may also include drain wires, to be terminated to the ground pins in the Serial ATA cable receptacle connectors. The cable size may be 30 to 26 AWG. The cable maximum length is one meter.
Figure 23. Serial ATA Cable Signal Connections
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| Key | Key |
| |
| G | 1 | 1 | G |
|
HT+ | A+ | 2 | 2 | A+ | DR+ |
HT- | A- | 3 | 3 | A- | DR- |
| G | 4 | 4 | G |
|
HR- | B- | 5 | 5 | B- | DT- |
HR+ | B+ | 6 | 6 | B+ | DT+ |
| G | 7 | 7 | G |
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| Host | Cable | Cable | Device |
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| Plug | Receptacle | Receptacle | Plug |
|
Host Chip, PCB | Cable and |
| Device Chip, PCB | ||
and connector |
| connectors |
| and connector | |
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58 | Design Guide |
