8MB? What brand did you say it was? Sounds like a Comodore 64 from 1987. It might not be the easiest thing to change that chipset. Expecially in an older system, it is most likely integrated and was not made to be upgraded. It can be done, but you gotta know what your doing.
<span style="color:#FF0000"><strike>RETIRED</strike></span>
ON MY WAY OUT OF RETIREMENT
