Capabilities 0-31.
| TO_FREQ | Timeout Clock Frequency. 1 (1mhz): undefined |
| CLK_UNIT | Timeout Clock Unit. |
| CLK_FREQ | Base Clock Frequency For SD Clock. |
| MAX_BLK_LEN | Max Block Length. 2 (2048_bytes): undefined |
| 8_BIT | 8-bit Support for Embedded Device. |
| ADMA2 | ADMA2 Support. |
| HS | High Speed Support. |
| SDMA | SDMA Support. |
| SUSPEND | Suspend/Resume Support. |
| 3_3V | Voltage Support 3.3V. |
| 3_0V | Voltage Support 3.0V. |
| 1_8V | Voltage Support 1.8V. |
| 64_BIT_SYS_BUS | 64-bit System Bus Support. |
| ASYNC_INT | Asynchronous Interrupt Support. |
| SLOT_TYPE | Slot Type. |