UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Gemini 80-Bus System

JohnBHanson · 14th May 2019, 2:09 pm

Remember the IVC needs a 4MHz clock on the back plane provided by the processor.
An input/output from port b3 will reset the IVC card
Another thought - the IVC requires a fairly long keyboard strobe
PS - Where did you get RPM 2.1 from? - I would love a copy (I only have RPM 2.0)

14th May 2019, 2:09 pm	#35
JohnBHanson Heptode Join Date: Aug 2009 Location: Worthing, Sussex, UK. Posts: 661	Re: Gemini 80-Bus System Remember the IVC needs a 4MHz clock on the back plane provided by the processor. An input/output from port b3 will reset the IVC card Another thought - the IVC requires a fairly long keyboard strobe PS - Where did you get RPM 2.1 from? - I would love a copy (I only have RPM 2.0) Last edited by JohnBHanson; 14th May 2019 at 2:16 pm.