My motherboard's PCI voltage is 3.3v. Will this card support this voltage?

No, the ISI5634PCI/X cards will not work in 3.3 volt PCI slots, but the ISI5634UPCI cards will work in 3.3V, 5V or PCI-X slots. Make sure the PCI slot is 2.2 compliant.

For more info on this product please go to our Web site at:

http://www.multitech.com/en_US/PRODUCTS/Families/MultiModemISI/