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On the motherboard, the Southbridge chip is a main bus responsible for the communication with:
- and other devices that are not performance sensitive.
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Properties
Bit Rate
IO - Throughput / Data Transfer Rate (DTR) / Bit Rate
| Desc | Rate | Year | |
|---|---|---|---|
| DMI 1.0; ×4 link | 10 Gbit/s | 1 GB/s | 2004 |
| DMI 2.0; ×4 link | 20 Gbit/s | 2 GB/s | 2011 |
| DMI 3.0; ×4 link | 40 Gbit/s | 4 GB/s | 2015 |