BOSTON, May 7 (Ticker) -- Reggie Miller's backup at shooting guard helped extend his career at least four more games.

Fred Jones scored 13 of his 16 points in the fourth quarter as the Indiana Pacers routed the Boston Celtics, 97-70, in the decisive seventh game of their Eastern Conference first-round series.

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Stephen Jackson scored 24 points on 8-of-13 shooting to lead the sixth-seeded Pacers, who will face the defending champion and second-seeded Detroit Pistons in the conference semifinals. Game One is Monday in The Palace at Auburn Hills - the site of their infamous November brawl.

The Pacers had been 1-3 in Game Sevens and never had won one on the road. The Celtics, who had been 14-2 at home in Game Sevens, lost their first one in Boston since falling to the Philadelphia 76ers in the 1982 conference finals.

But Indiana had no problem playing at the FleetCenter in this series, also winning Games Two and Five here. The Pacers became just the sixth team in NBA history to win three road playoff games in one series.

"It wasn't easy during the regular season to win three (straight) games on the road but we have tough-minded people on this team and we always feel like we can win," said Pacers guard Anthony Johnson, who scored 13 points off the bench. "We've been through every situation this year. We're confident at all times."

"It's strange and kind of mind-boggling," Celtics forward Antoine Walker added. "You work so hard to get home-court advantage and get Games Five and Seven on your home floor. If you had told me that we would have lost three games on our home floor, I would have never believed it."

Jones, who had scored just five points in his last three games and was bothered by a mildly sprained ankle, hit back-to-back 3-pointers to give Indiana a 70-52 lead with 9:27 remaining, then pushed the advantage to 76-55 with a fast-break dunk with 7:33 to play.

"When I walked into the locker room today and saw (Miller), it kind of took a little piece of your heart and kind of look out for him," Jones said. "He is our leader, someone that we all look up to. I am very happy that he gets to move onto the next round."

A future Hall of Famer who announced during the season that this would be his last, Miller had missed a potential game-winning 3-pointer in the waning seconds of the fourth quarter of a 92-89 overtime setback in Game Six on Thursday. He scored just five points in 28 minutes in this one, but he cheered on the hot-shooting Jones in the fourth quarter.

"That's too much pressure for them," Miller said. "They need to be thinking about other things. I've had a great career, regardless of what would have happened tonight, and I've always stated these guys have to win it for themselves."

Indiana held just a 35-32 edge at halftime but pushed its lead to 64-50 after three quarters. Before the fourth, Boston coach Doc Rivers yelled to his team, "Every basket counts!" But the Celtics never made a run in the fourth quarter.

Walker scored 20 points and Paul Pierce added 19 for the Celtics, who shot just 37 percent (27-of-73).

"To fight all year and to perform the way we performed tonight was extremely disappointing," Rivers said. "I told our guys that we played bad. We played poorly tonight. We didn't do a lot of the things that we have done to get to this Game Seven tonight. But this is not who we have been all year. It was tough watching and looking at them after the game. It was just disappointing."

For Jackson, it was a night of redemption after criticism for his performance in Game Six, when he scored 14 points on 5-of-15 shooting.

"We've dealt with drama all season long. After Game Six, there was a little more controversy," Johnson said of the criticism of Jackson. "We put it aside and played a great Game Seven. Everyone stepped up."

Following the Boston win in Game Six at Conseco Fieldhouse, Walker suggested Miller had played his last game before the home fans.

"That's when it hit me in the head," Johnson said. "I was like, 'That's a true possibility.' But fortunately (Walker) was wrong and he'll be watching Reggie play a few more games in Conseco."

Boston's frustration came to a head late in the fourth with the game out of hand. Bench players Kendrick Perkins and Justin Reed became the third and fourth Celtics ejected from a game in the series.

Jermaine O'Neal, who added 15 points and seven rebounds in 36 minutes, will have just one day to rest his ailing right shoulder before the Pacers open their series with the Pistons.

"All due respect to Reggie Miller, there was something said at Conseco Fieldhouse the other night that I kind of took to heart, and I think a lot of other guys took it to heart also, about Conseco Fieldhouse being closed and that being Reggie Miller's last game," O'Neal said. "What I can tell you guys is that after Game Two (in Detroit), we're going back to Indiana, and the FleetCenter is now closed."