Albion are treating Saturday's relegation crunch at Rotherham like the play-off final.
The Seagulls are gearing up for the showdown at Millmoor with the same intensity and attention to detail as the promotion clincher against Bristol City at the Millennium Stadium last May.
Mark McGhee's side will guarantee a second season in the Championship if they win, Coventry lose at home to Derby and Crewe lose or draw at Ipswich.
McGhee said: "The stakes when we went to Cardiff were promotion into this division. If we win on Saturday and the other two have lost it will be as good as that.
"It's our ticket to play in this division again this year, so it is no different from Cardiff. The venue is less auspicious and it won't be such an exciting day but it is every bit as important to us.
"We have already set the theme in training of how we want to approach the game and what we want to do in the game."
Albion will have more than 2,000 fans roaring them on at Millmoor. They are receiving 250 extra tickets from Rotherham after selling out their initial allocation.
The official supporters' club is running three coaches, so most fans will be making their way to South Yorkshire by car, mini-bus or train.
Meanwhile, McGhee has played down speculation in Scotland that Rangers are renewing their interest in leftback Dan Harding, who has vowed to sign a new contract.
"Funnily enough, Celtic were at our game against West Ham on Saturday but not Rangers," McGhee said.
"I think Dan is in his best form of the season. He was excellent against Dean Bowditch at Burnley."
Leicester's 1-0 home win against Derby last night means they are safe but the result is helpful to Albion in another respect.
McGhee regards Coventry and Crewe as the Seagulls' main relegation rivals and Derby are now desperate for a win at Coventry on Saturday to consolidate a play-off place.
Third-year scholar turned pro Gary Elphick and younger brother Tommy play together in the reserves for the first time against Woking at Worthing tonight (7pm).
Albion: C. May; P. Hinshelwood, G. Elphick, T. Elphick, Lynch, Cox, Carey, Fraser, Rents, Gatting, Molango.
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