VESA Dual-mode Cable Adaptor Verification Procedure Version 1
©Copyright 2010 Video Electronics Standards Association Page 2 of 21
Table of Contents
Preface ................................................................................................................................................................. 5!
1! Introduction ................................................................................................................................................... 9!
1.1! Scope of This Document......................................................................................................................... 9!
1.2! DisplayPort Dual-mode and Cable Adaptors.......................................................................................... 9!
1.3! Organization of this Document............................................................................................................... 9!
1.4! Acronyms.............................................................................................................................................. 10!
1.5! Glossary ................................................................................................................................................ 11!
1.6! References............................................................................................................................................. 12!
2! Equipment for Verification Test.................................................................................................................. 13!
3! Verification Test Procedure......................................................................................................................... 14!
3.1! Common to Both DVI and HDMI Source Side Adaptors .................................................................... 14!
3.1.1! CSo3 – DDC Pull-ups .................................................................................................................... 14!
3.1.2! CSo4 – Cable Adaptor Detect........................................................................................................ 15!
3.1.3! CSo5 – DDC 5V ............................................................................................................................ 15!
3.1.4! CSo6 – I
2
C Write Dependency ...................................................................................................... 15!
3.1.5! CSo7 – Draws Power on HPD ....................................................................................................... 16!
3.1.6! CSo8 – DP_PWR Current.............................................................................................................. 17!
3.1.7! CSo9 – Inrush Current ................................................................................................................... 17!
3.1.8! CSo10 – Main Link........................................................................................................................ 17!
3.1.9! HPD Level Shifter.......................................................................................................................... 18!
3.2! Tests for Source Side DVI Adaptors Only ........................................................................................... 18!
3.2.1! DSol - Connector ........................................................................................................................... 18!
3.2.2! DSo2 – Config2 ............................................................................................................................. 18!
3.2.3! DSo3 – DDC Signals ..................................................................................................................... 18!
3.2.4! DSo4 – NACK Address 80/81h Read............................................................................................ 19!
3.2.5! DSo5 – Electrical Signaling ........................................................................................................... 19!
3.3! Tests for Source Side HDMI Adaptors Only........................................................................................ 19!
3.3.1! HSo1 - Connector........................................................................................................................... 19!
3.3.2! HSo2 – Config2 ............................................................................................................................. 19!
3.3.3! HSo3 – HDMI ID ROM................................................................................................................. 20!
3.3.4! HSo4 – I
2
C Address Offset ............................................................................................................ 20!
3.3.5! HSo5 – Electrical Signaling ........................................................................................................... 20!
4! Interoperability Tests................................................................................................................................... 21!
4.1! Interoperability Test.............................................................................................................................. 21!
