Path: utzoo!mnetor!uunet!husc6!linus!alliant!rosenkra From: rosenkra@Alliant.COM (Bill Rosenkranz) Newsgroups: comp.sys.atari.st Subject: Re: MORE on the 16Mhz board Message-ID: <1372@alliant.Alliant.COM> Date: 9 Mar 88 09:25:53 GMT References: <2331@vice.TEK.COM> <1988Mar7.163720.22573@gpu.utcs.toronto.edu> Reply-To: rosenkra@alliant.UUCP (Bill Rosenkranz) Organization: Alliant Computer Systems, Littleton, MA Lines: 22 Keywords: Due to popular demand... In article <1988Mar7.163720.22573@gpu.utcs.toronto.edu> lharris@gpu.utcs.UUCP (Leonard Harris) writes: > >What kind of REAL speed increase is there? You can't drive any of the >other chips in the atari at 16MHz so is this just the 68000 being >speeded up - like sticking a v20 in an ibm? >Is performance increase gained=$200 ? >/Leonard MegaByte Computers (Webster TX) just told me yesterday that in general, you can expect 30 to 85% speedup. if the inner loop of a process is primarily calculations and not hits to the OS (like I/O, etc.) you get the higher numbers. they also say you can switch on-the-fly between 8 Mhz (normal) and 16 Mhz, even during a program execution! no reboot needed. they are planning a board for the mega as well, though expected dates were not known. they plan to also have additional sockets for memory on that board, and perhaps a floating point coprocessor. if all this happens, the mega will turn into a rather formidable machine ($200 delta on the mega is probably worth the performance increase for all megas. you be the judge for ST). -bill