The Mac LC 550 and 575, also sold as the Performa 550 and 575 to the home market, have 4 MB of RAM soldered to the motherboard and a single 72-pin SIMM socket for memory expansion. They can handle up to 36 MB of memory.
In 1992, Apple decided that the education and design markets weren’t enough – it wanted to target mass market consumers. Rather than develop new computers for this market, Apple created a new brand and renamed three existing Macs as Performas.
2000 – Can I put an LC 580 motherboard into my LC 575 in order to break the 36 MB RAM barrier?
1998 – GF writes: Just took my son’s Performa 575 out of storage. We added 32 MB of memory (which I think is the max), and my son upgraded to Mac OS 8.0. He also had RAM Doubler added two years ago to the original memory. Is the Doubler not needed now or not being […]
1998.12.02 – GDF writes: I read your stuff regularly, and it seems that you both know your Macs and have common sense [thanks]. This is quite rare, so I’ll ask you what you think.