The mainboard is probably an old LX chipset board. You may be stuck with a bus speed of 66 mhz. 4x 66.6 is why you show 266mhz. A PII 400 needs 4x 100mhz...;)
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.