Quicksilver:
number of sockets: 3 -- PC-133 SDRAM DIMM
minimum speed: 133 Mhz/10 ns
iMac:
number of sockets: 2 -- PC100 SDRAM
minimum speed: 100 Mhz/10 ns
I would say no, where abouts are you? I have a spare 256mb chip for a powermac G4 sitting here in England! it will be sold for a REALLY cheap price as its no use to me!
Guy