Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Codename (main article) | Brand name (list) | Cores | L3 Cache | Socket | TDP | I/O Bus |
| --- | --- | --- | --- | --- | --- | --- |
| Sandy Bridge (Desktop) | Core i3-21xx | 2.0 | 3 MB | LGA 1155 | 65 W | Direct Media Interface , Integrated GPU |
| Sandy Bridge (Desktop) | Core i3-21xxT | 2.0 | 3 MB | LGA 1155 | 35 W | Direct Media Interface , Integrated GPU |
| Ivy Bridge (Desktop) | Core i3-32xxT | 2.0 | 3 MB | LGA 1155 | 35 W | Direct Media Interface , Integrated GPU |
| Ivy Bridge (Desktop) | Core i3-32xx | 2.0 | 3 MB | LGA 1155 | 55 W | Direct Media Interface , Integrated GPU |
| Sandy Bridge (Mobile) | Core i3-2xx0M | 2.0 | 3 MB | rPGA-988B BGA-1023 | 35 W | Direct Media Interface , Integrated GPU |
| Sandy Bridge (Mobile) | Core i3-2xx7M | 2.0 | 3 MB | BGA-1023 | 17 W | Direct Media Interface , Integrated GPU |
| Ivy Bridge (Mobile) | Core i3-3xx0M | 2.0 | 3 MB | rPGA-988B BGA-1023 | 35 W | Direct Media Interface , Integrated GPU |
| Ivy Bridge (Mobile) | Core i3-3xx7U | 2.0 | 3 MB | BGA-1023 | 17 W | Direct Media Interface , Integrated GPU |
Question:
What i/o buses are associated with the brand name Core i3-21xxt?
Answer:
Direct Media Interface , Integrated GPU