Comdisco Inc, Rosemount, Illinois reiterated to institutional investors and analysts at a Boston meeting yesterday that it expects to achieve record 1989 profits from continuing operations of $105m to $110m as a result of a strong second user for its current lease portfolio of IBM mainframes: turnover is expected to exceed $1,600m for the fiscal year to September 30; Comdisco did new profit of $17m after a $75m loss on discontinued operations on turnover of $1,300m and there are no discontinued operations this year; it also announced formation of a new subsidiary, Comdisco Portfolio Asset Management Inc, to manage and remarket high technology assets of third parties.