How to Enter a Chipset for a Chipset Manufacturer so that it Becomes Available in Opportunities Chipset Dropdown?

• First identify an Account of Type Chipset Manufacturer. This is a System defined Type.
  
• Enter a Opportunity for an Account of Type Chipset Manufacturer. Enter the Chipset Name field for this Opportunity
  
• Now when you enter a Opportunity for an End Customer, pick the Chipset Manufacturer and the corresponding Chipset from that Chipset Manufacturer.
  

This is how you can link an Opportunity to a Chipset from another Chipset Manufacturer.