Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!usc!apple!snorkelwacker!ira.uka.de!smurf!wrkof!dksoft!dirk From: dirk@dksoft.incom.de (Dirk Koeppen) Newsgroups: comp.lsi Subject: Re: A Truly Secure (tm) ROM access Message-ID: <1049@dksoft.incom.de> Date: 8 Jun 90 10:58:29 GMT References: <39144@mips.mips.COM> <21908@shamash.cdc.com> <39146@mips.mips.COM> Organization: Koeppen EDV-Beratung , D-6050 Offenbach, FRG Lines: 9 I am looking for a PROM which includes some security for the burned-in software. There is no need for full security or encryption. All I need is a device which can not be copied with usual PROMers. Is anybody aware of a 27128 compatible pinout devices which prevents or difficult coping ? Thanks, dirk