Balanced Technology Extended (BTX) Interface
Motherboard Power Supply Connectors
The following figure defines the required pinout for the required connectors listed in following table. The connectors provide a standard interface between a BTX motherboard and a compatible system power supply. Further information on critical signals is defined in Motherboard Power and Control Signal Definitions. For additional information on the design of compatible system power supplies, refer to the design guides at the location listed in Additional Information.
Table 4-1. Power Supply Connectors
Connector Description | Status | Board Mounted Header | Mounting Power Supply Receptacle | Electrical Signal Implementation |
Main Power Connector | Required on all motherboards | Molex+ 44206-0007 or equivalent | Molex+ 39-01-2240 or equivalent | Per Figure 4-1 and Motherboard Power and Control Signal Definitions |
+12V Power Connector | Required on all motherboards | Molex+ 39-29-9042 or equivalent | Molex+ 39-01-2240 or equivalent | Per Figure 4-1 and Motherboard Power and Control Signal Definitions |