problem with pc66 sdram

How can I get Pc66 sdram 64mb stick to work in my computer, I have 4 slots 2 banks of 72 pin, and one slot for pc66,168 pin.72 pin works fine but 168 is not.Have motherboard specs, doesn’t show how to incorporate pc66 in to it. Board is PT-2006 with233mhz processor.
Thank you.