https://community.intel.com/t5/Embedded-Server/Kaseyville-ASD-TCK-connection/m-p/1748842#M1256 <P>Hello&nbsp;<a href="https://community.intel.com/t5/user/viewprofilepage/user-id/158520">@IanBanbrook</a>&nbsp;</P> <P class="subsectionelementselectors" style="background: white; margin: 0in 0in 6.0pt 0in;">&nbsp;</P> <P class="subsectionelementselectors" style="background: white; margin: 0in 0in 6.0pt 0in;"><SPAN>Thank you for contacting Intel Embedded Community.</SPAN></P> <P class="subsectionelementselectors" style="background: white; margin: 0in 0in 6.0pt 0in;"><SPAN>We sent an email to the address associated with this account with information that may help you.</SPAN></P> <P><BR />Best regards,<BR />Jaime L.<BR />Intel Customer Support Engineer</P> Fri, 22 May 2026 20:16:44 GMT Jaime_Lizarme 2026-05-22T20:16:44Z https://community.intel.com/t5/Embedded-Server/Kaseyville-ASD-TCK-connection/m-p/1748254#M1255 <P>Am I missing something?</P><P>The BMC drives TCK at LVC3V3.&nbsp; On the Kaseyville board it is isolated using a FET switch 74CB3Q3305D U3H2. and connected to the MIPI60 XDP connector and XEON TCK pin which is in the PVCCVNN_MAIN 1v0 domain.</P><P>The Kaseyville ref schematic has 49R9 series resistor from the BMC and a 49R9 pull down post switch.&nbsp; This voltage divider gives 1.65V to the XEON TCK pin when driven by the BMC</P><P>Is this correct??</P><P>&nbsp;</P> Mon, 18 May 2026 09:22:07 GMT https://community.intel.com/t5/Embedded-Server/Kaseyville-ASD-TCK-connection/m-p/1748254#M1255 IanBanbrook 2026-05-18T09:22:07Z https://community.intel.com/t5/Embedded-Server/Kaseyville-ASD-TCK-connection/m-p/1748842#M1256 <P>Hello&nbsp;<a href="https://community.intel.com/t5/user/viewprofilepage/user-id/158520">@IanBanbrook</a>&nbsp;</P> <P class="subsectionelementselectors" style="background: white; margin: 0in 0in 6.0pt 0in;">&nbsp;</P> <P class="subsectionelementselectors" style="background: white; margin: 0in 0in 6.0pt 0in;"><SPAN>Thank you for contacting Intel Embedded Community.</SPAN></P> <P class="subsectionelementselectors" style="background: white; margin: 0in 0in 6.0pt 0in;"><SPAN>We sent an email to the address associated with this account with information that may help you.</SPAN></P> <P><BR />Best regards,<BR />Jaime L.<BR />Intel Customer Support Engineer</P> Fri, 22 May 2026 20:16:44 GMT https://community.intel.com/t5/Embedded-Server/Kaseyville-ASD-TCK-connection/m-p/1748842#M1256 Jaime_Lizarme 2026-05-22T20:16:44Z