Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ukma!psuvm.bitnet!ddp100 From: DDP100@PSUVM.BITNET Newsgroups: comp.sys.atari.st Subject: Hardware knowledge request(s) Message-ID: <85593DDP100@PSUVM> Date: 8 May 89 20:28:06 GMT Organization: Penn State University Lines: 12 What requirements (both hardware and software) are there for adding a hard drive to my 520 ST? Also, has anyone personally soldered (piggybacked) ram chips on the ST? What has to be done and how safe is it? Finally, How can I interface a 720k drive to my 360k drive? Thanks for any help. DDP100@psuvm.bitnet or ddp@psuecl.bitnet