Most of the retail gf4mx420 were 8chip based, but there are a few companies who bought half-size oem versions from nvidia [look at pics of a radeon 9200se if you don't know what i mean].
and i have two of those =]
bought them for less than 20$. [locally]
btw, as far as ram speed goes - the vsa100 isn't very scaleable when it comes to core/clock speeds.
remember my 4500'turbo' that did 210mhz?
bearly any speed increase from the stock 166mhz.
@3Dfx_Tweaker
Sure, once i get my desktop pc up n' running.
though, the more i think of it, the more i feel that the drivers handle SLI memory allocation.
[hinted by the fact that if SLI is disabled, the first chip operates with full 64mb capacity]
all this hard work.. argh... it better be worth it..
if at the end i'ma get a 100 point increase in 3dm01, i'm gonna throw this thing out the window.
[j/k
]