Frank Richards made his first field goal of the season, a 25-yarder with five seconds left in Jonesboro, Ark., as Arkansas State defeated Grambling, 10-7, in the first round of the NCAA Division I-AA playoffs.

A 25-yard guard-around by Ray Brown set up Arkansas State's touchdown, a one-yard run by Ricky Jemison. Then, a 12-yard shovel pass from Dwayne Brown to Homer Rhodes brought on Richards, who had missed his only three field goal attempts of the year.

In other games, Tracy Ham threw touchdown passes of 48 and 45 yards to Tony Belser to lead Georgia Southern (10-2) by Jackson State, 27-0, at home. Tom Ehrhardt threw for five touchdowns, four to Tony DiMaggio, to lead Rhode Island, 35-27, by visiting Akron. Rick Worman's 15-yard touchdown pass to Eric Riley with 12 seconds left lifted visiting Eastern Washington, 42-38, over Idaho.

*Division II Quarterfinals: David Smith returned an interception 27 yards to the three, setting up Charles Johnson's winning touchdown as North Alabama (11-1) beat Fort Valley State, 14-7, in Florence, Ala. In other games, Tom Martin rushed for 203 yards and three touchdowns as Bloomsburg (Pa.) beat visiting Hampton, 38-28. Ken Kubisz ran back an interception 19 yards for a touchdown and kicked a field goal and three extra points as visiting North Dakota State upset No. 1 California-Davis, 31-12. In Vermillion, S.D., Mark McLoughlin's 41-yard field goal gave South Dakota, 13-10, a double overtime win over Central State (Ohio), the longest game in Division II playoffs.

*Division III Quarterfinals: Brad Price scored two touchdowns, including a 53-yard catch from Greg Wallace, as Augustana beat Mount Union, 21-14, in Rock Island, Ill. In other games, Craig Hagen rushed for three touchdowns as Central College romped, 71-0, over Occidental College (Calif.) in Pella, Iowa. Central had 11 touchdowns and 10 interceptions, setting a division record for margin of victory and tying the mark for points in a playoff game. Paul Martin scored two touchdowns in Gettysburg's 22-6 win over visiting Salisbury State. In Ithaca, N.Y., Steve Kass passed for two touchdowns as Ithaca defeated Montclair (N.J.) State, 50-28.