A Payload and General Support Computer (PGSC) manufactured by IBM as a ThinkPad Model 760XD laptop, with modifications for use aboard the Space Shuttle including numerous blue Velcro swatches and a special power plug. Labels on the cover identify it as "PCS (760XD), P/N 9546-U9E, S/N 5037" and "SJD39129756-802, STS2, WinDecom." Additional labels read "2011" and "Class III, Not for Flight." In very good to fine condition. The flight plans for STS-120 and STS-129 both indicate use of a computer called STS2 ('WinDecom').
Provenance: The Spaceflight America Museum and Science Center in Prince Frederick, MD.
