Resolved! S3510 not detected in bios drive 0. Seen as scsi.
Lenovo M57 small form factor, E8200 cpu, W7 Pro 64 bit.Just purchased an S3510 800gb ssd. It will not seen in the bios' drive 0 spot like the 320-series 300gb I've been using. In the boot order it shows under pci scsi. AHCI is enabled. Tried disabled...