AnsweredAssumed Answered

When ADV3003 is connected  PC does not boot

Question asked by Mack on Jun 11, 2015
Latest reply on Jul 16, 2015 by jmarshma

Hello,

 

My system is HDMI AV switch.

HDMI output form the system goes into HDMI input on a PC. HDMI input is availale because the PC has PCIe image capture card from Blackmagic design.

 

My AV switch system was designed with ADV3003 as shown in case 1 below.

My system and a PC are first connected each with HDMI cable before the PC is powered up. And I power up  the PC then PC fails to boot.   I did the same test with ADV3002.

My result was as follows:

* When TMDS output termination is off the PC successfully  boots. It is case 2.

* When TMDS output termination is on the PC fails to boot and stops working. It is case 3. Case 1 is the same condition as case 3. 

 

My question is why PC fails to boot when TMDS output termination is on. Which one of ADV3003 and PCIe graphic card is a problem?

ADV3003.png

 

Best Regards,

Mack

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