User Guide

Mac Pro Take Apart — PCI Express/Graphics Card 23
PCI Express/Graphics Card
The Mac Pro logic board includes one double-wide PCI Express graphics slot and three PCI
Express expansion slots, for a total of four slots. The computer comes with a graphics card
installed in slot 1. You can install additional PCI Express graphics and expansion cards in the
remaining three PCI Express expansion slots.
Important: Graphics cards from previous Power Mac G5 models are not compatible with Mac
Pro models. In addition, Mac Pro graphics cards are not compatible with Power Mac G5 models.
Important: Combined maximum power consumption for all four PCI Express slots must not
exceed 300 W.
Slot 1: Double-wide
PCI Express graphics
(graphics card installed)
Slots 2–4: PCI Express
Note: Port 2 of the ATI Radeon X1900 XT graphics card is compatible with the Apple DVI-to-video
adapter. See KnowledgeBase article 304910.
Tools
The only tool required for this procedure is a Phillips #1 screwdriver.