ContributionsMost RecentMost LikesSolutionsRe: UEFI program/shell script to do I2C read/write access hey @KennyTan_Altera , I tried to find if there is any BIOS label - I could not find any. Would you mind helping me to find the right label for this query please? UEFI program/shell script to do I2C read/write access Hi, We are looking for article/help-doc that explains the UEFI programming constructs to exercise I2C read & write access of devices. We could not find relevant info in the UEFI spec and hence this question. We could find how to probe pci devices help link here. We are looking for similar help doc to access i2c devices. Thanks in advance.