By Bob Neidorff, October 04, 2004
Conventional PCI and PCI-X computer slots have four supply voltages available: +12, +5, +3.3, and 12 V. PCI and PCI-X cards rely on +5 V and +3.3 V for most of the power and are limited to 500 mA of load current on the +12-V supply. This...