AST Research Inc cut prices for three models of its PowerExec notebook computers by up to 13%: the PowerExec 3/25SL Models 83/W and 123/W, the 4/25SL Model 203/W and the 4/25SL Color Plus Model 203/W are affected; it also cut prices on its 66MHz and 50MHz 80486DX2-based models in the Bravo line 5% to 26%.