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LDS

Loads a segment selector from a memory location into the DS segment register and the specified general-purpose register.

The table after the description covers what the source and destinations can be.

DO NOT support LOCK

This instruction is NOT supported in 64-bit mode; it is only available in compatibility mode. In 64-bit mode, attempting to execute this instruction will result in an invalid opcode exception.

When loading the DS register, the processor SHALL perform segment limit and attribute checks. If the selector is invalid, a General Protection fault (#GP) SHALL occur. Since the instruction modifies a segment register, it MAY trigger a transition in the processor's internal state regarding memory segmentation.