16 Evaluation Platform Board Manual
Intel® IQ80332 I/O Processor
Getting Started
2.2.2 Power Requirements
The 80332 requires a 3.3 V supply coming through the PCI Express primary conne ctor. Plug the
board into a desktop with a PCI E xpress slot.
The 80332 has an auxiliary power receptacle (J1A1, see Section 3.9.4, “Connector Summary”) that
is used to power the secondary PCI-X slot. This connector is compatible with a s tandard ATX hard
drive power connector.
Caution: Before connecting power to the entire system, verify that the auxiliary syst em power to the
secondary PCI-X slot and the main power to t he 80332 a re both co nnecte d. Bot h power ra ils s hould
come up at the same time. When th ere is no t a car d plug ged in to the secon dar y PCI-X s lot , th en the
auxiliary power can be left unconnected.