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Macintosh Quadra 630
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== Architecture and Processor == The Quadra 630 is powered by a Motorola 68LC040 processor running at 33 MHz. The "LC" designation indicates the absence of a floating-point unit (FPU).<ref>{{cite web |url=https://everymac.com/systems/apple/mac_quadra/specs/mac_quadra_630.html |title=Macintosh Quadra 630 Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref> A full 68040 processor with FPU can be installed as a replacement. The system uses a 32-bit data bus and 32-bit address bus with 8 KB of on-chip cache (4 KB instruction, 4 KB data).
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