Apple powermac g3 blue.white Service Manual

Page of 293
 
 Upgrades
PCI Expansion Cards - 19
 
supplies a monitor port occupies PCI slot 1. This slot can 
accommodate 3.3 volt cards with 66 MHz frequency and 32-
bit data widths only.
PCI slots 2, 3, and 4 can accommodate mixed voltage (5.0 V 
or 3.3 V) cards with a 33 MHz frequency and 32-bit or 64-
bit data widths. These slots will not accommodate 66 MHz 
cards.