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Installing SSD on Dell XPS 8700
I'm considering installing an SSD on my desktop computer, and have read several places I need to set my BIOS to AHCI mode. I have no such mode listed in my BIOS. The only 2 options listed are LEGACY and UEFI. Is Legacy just Dell's description for AHCI? Can I just install using LEGACY? I can't seem to get any answers from the Dell forums. I'm using Windows 7 64 bit OS. I think the bios version is 8. If I use the LEGACY mode, will Trim still work? This will be a clone, not a fresh Windows install.
Thanks.