0_9\ DOS and Windows game patches (0 to 9) a_c\ DOS and Windows game patches (A to C) d_e\ DOS and Windows game patches (D to E) f_j\ DOS and Windows game patches (F to J) k_o\ DOS and Windows game patches (K to O) p_r\ DOS and Windows game patches (P to R) s_t\ DOS and Windows game patches (S to T) u_z\ DOS and Windows game patches (U to Z) gravis\ Gravis Ultrasound game patches