There is no currently produced mobo that is SATA only. You simply need to install that SATA drive in SATA 1 and your puter will automatically see it as SATA "slave" although that convention really doesn't apply to SATA drives (master/slave convention).
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.