ATX Version 3.0 Multi Rail Desktop Platform Power Supply
Over Voltage Protection (OVP) – REQUIRED
The over voltage sense circuitry and reference shall reside in packages that are separate and distinct from the regulator control circuitry and reference. No single point fault shall be able to cause a sustained over voltage condition on any or all outputs. The supply shall provide latch-mode over voltage protection as defined in Table 4-12.
(or 12V1DC and 12V2DC)