Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!cs.utexas.edu!samsung!uakari.primate.wisc.edu!pikes!bscott From: bscott@pikes.Colorado.EDU (Ben M Scott) Newsgroups: comp.sys.amiga Subject: Re: Looking for 14 MHz 68000 hack Summary: Does the 14 Mhz hack work? Keywords: accelerator hack 14Mhz Message-ID: <3464@pikes.Colorado.EDU> Date: 28 Mar 90 02:20:57 GMT References: <5927@udccvax1.acs.udel.EDU> Reply-To: bscott@pikes.Colorado.EDU (Ben M Scott) Organization: University of Colorado, Denver Lines: 22 Expires: I have this hack; got it from a local board someplace. It consists of brief instructions and an IFF pic of a diagram. Basically it involves installing a 16Mhz 68000 with pin 15 (clock) bent out, and soldered to a line which is connected to a certain pin on the Agnus through a flipflop which divides the 28mhz clock freq by two; so basically you have a 14Mhz clock going into the 68000. I do not know why this would work, but according to the file it does. The flipflop shouldn't cost much at all, less than $1 probably, but you have to be careful soldering into the Agnus socket! It also recommends a toggle switch with a line to a source of the 'normal' 7Mhz clock for compatibility (apparently on one machine the floppy read/write didn't work so good in 14Mhz mode). I'd like some input from some knowledgable person on the net as to whether this would work, and WHY. The author reports a Kramden SI of about 1.7 with this mod. Also, where can I get a 16 Mhz 68010 chip, and would this work as well? . <<<>>> -- _______________________________________________________________________________ | | | Someday, I'm going to make up a clever .sig file like everyone else has... | |_____________________________________________________________________________|