Atx12v Power Supply Design Guide V2 2

The 2 x 10 main power connector has been replaced by a 2 x 12 connector.

Atx12v power supply design guide v2 2.

This was made to support 75 watt pci express requirements. Atx advanced technology extended is a motherboard and power supply configuration specification developed by intel in 1995 to improve on previous de facto standards like the at design it was the first major change in desktop computer enclosure motherboard and power supply design in many years improving standardization and interchangeability of parts. Scope this document provides design suggestions and reference specifications for a family of power supplies that comply with the atx specification version 2 03 for motherboards and chassis. Sfx12v 40 mm profile mechanical outline.

Updated chapter 10. Cfx12v specific guidelines to version 1 62 lfx12v specific guidelines to version 1 42 atx12v specific guidelines to version 2 52. Pinout assignments are based on the ssi recommendation. It is intended to provide additional power supply design information not detailed in the atx 2 02 specification.

Updated figure 3 3. 0 5 initial release of combined power supply design guide combined cfx12v lfx12v atx12v sfx12v and tfx12v content into one desktop power supply design guide cfx12v content derived from revision 1 2 updated 12v1 current for 300 w configuration updated efficiency loading for 300 w configuration. With the added 12v 5v and 3 3v pins the need for an aux power connector is no longer. Atx12v power supply design guide version 2 2 9 1 2 2.

Added figure 3 5. This was made to support 75 watt pci. The specification defines the. Atx12v power supply dimensions for chassis requiring top venting.

Atx12v power supply design guide version 2 0 7 1 2 3. You may not use or facilitate the use of this document in connection with any infringement or other legal analysis concerning. The 2 x 10 main power connector has been replaced by a 2 x 12 connector. Scope this document outlines a reference atx power supply that complies with the atx specification version 2 02 for motherboards and chassis.

Text is available under the creative commons. 5vsb power on timing versus vac. Scope this document provides design suggestions and reference specifications for a family of power supplies that comply with the atx specification version 2 03 for motherboards and chassis. Atx12v power supply design guide v2 31 power supply design guide for desktop platform form factors v1 2 atx12v power supply design guide v2 4 power supply design guide for desktop platform form factors v1 31 this page was last edited on 4 september 2020 at 06 00 utc.

2 design guide. 3 3v is removed from sata v3 2 spec. Atx12v power supply design guide version 1 3 6 1. Atx atx12v power supply design guide version 1 0 public release page 7 1.