Depends on the DIMM itself. I myself have a PC100 CAS3 DIMM with Hyundai chips, and it runs up to 142mhz CAS3 stable.
Rob
Please visit <b><A HREF="http://www.ncix.com/shop/index.cfm?affiliateid=319048" target="_new">http://www.ncix.com/shop/index.cfm?affiliateid=319048</A></b>