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Email us at:

  • questions@smiforum.org for general questions about the PMBus® group, membership, or web site.
  • getpmbusspec@smiforum.org to request current published PMBus specifications. Please follow the instructions on the Specifications page
  • techquestions@smiforum.org for technical questions about the PMBus protocol, as well as other SMIF standards like System Management Bus (SMBus) and the Smart Battery System (SBS). (Anyone can send questions, but members get priority.)
  • admin@smiforum.org for administrative questions about your membership, your subscription, or your registration for access to the site.

Our physical mailing address and fax number for documents:
System Management Interface Forum (SMIF), Inc.
501 W President George Bush Hwy Ste 130
Richardson TX 75080-1141
+1-972-238-1286 Fax

To request the current published PMBus specifications, follow the instructions on the Specifications page.

To subscribe to the PMBus quarterly newsletter and occasional emails, submit the subscribe form. (You can unsubscribe at any time.)

To apply to join SMIF and the PMBus group, follow the instructions on the Adopt PMBus page.

To apply for access to the adopters area of this site, if you are a PMBus adopter, submit the access request form.