The 33 MHz PowerBook 150 replaced the 25 MHz PowerBook 145b in July 1994. It offered faster performance at a lower price and was the final model in the 140/145/145b/150 line of economical PowerBooks.
The Quadra 630 was the last Mac designed around the 68040 processor. It was designed to replace the Quadra 610. LC and Performa versions of the 630 use the less expensive 68LC040, which lacks an FPU, while the Quadra 630 sports a full 68040. The slide-out motherboard makes upgrades very easy.
This was the last Mac designed around the 68040 processor. The Quadra 630 was designed to replace the Quadra 610.