SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
The HBA port drives the device-level sata1_led signal that is active on the following conditions (see also Table 26-439):
When SATA_PxCI and SATA_PxSACT are cleared to 0x0, the LED on the sata1_led signal-associated pad is driven off.