It's been made run on 256 mb sdr(100mhz) and gf 4 so ANY comp will run it.
TRU
Tru_SlicePun not included
KOTOR will run perfectly on a 1.8Ghz computer with a minimum graphics card equivalent of an ATI 9200 (which runs around $80, so if you don't have one, buy one; they're worth it.)