Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!wuarchive!waikato.ac.nz!canterbury!betelgeux!tomlin From: tomlinson@elec.canterbury.ac.nz (M. Tomlinson) Newsgroups: comp.sys.amiga.misc Subject: Re: Hardware/Software Questions: New A1000 owner! Message-ID: <1991Apr15.153833.466@csc.canterbury.ac.nz> Date: 15 Apr 91 03:38:32 GMT References: <3159@mtecv2.mty.itesm.mx> <1991Apr15.094505.458@csc.canterbury.ac.nz> Sender: tomlin@betelgeux (M. Tomlinson) Distribution: comp Organization: University of Canterbury, Christchurch, New Zealand Lines: 26 Nntp-Posting-Host: betelgeux.elec.canterbury.ac.nz In article <1991Apr15.094505.458@csc.canterbury.ac.nz>, chem194@csc.canterbury.ac.nz writes: > In article <3159@mtecv2.mty.itesm.mx>, al158305@mtecv2.mty.itesm.mx (Gustavo Cordova Avila) writes: > > kentd@FtCollins.NCR.com (Kent.Dalton) writes: > > > > A RUMOR: A guy said that it's possible to plug > > an A2000 cpu slot accelerator into the expansion > > slot of an a1000 or a500, just by changing the > > gender. Can anybody corroborate this? > > A local hardware hacker (Mark Tomlinson, the person responsible for IBeM, > the PC emulator) has a CBM 2630 board plugged into his A500, and it works > just fine. As far as I know, the board he built to do it is a straight > gender changer, though he _might_ have had to shift one line (like I'm > just a programmer ya know:-) > The only line you have to add to the A500 expansion slot for this is the 7MHz clock line. On REV 6 motherboards, there is actually a jumper for this - but I added a wire on my motherboard. The only other real problem is with DMA (this is handled by the new BUSTER chip in the 2000's). But since my HD doesn't use DMA (its processor driven), I didn't have to worry about this. - Mark Tomlinson Email: tomlinson@elec.canterbury.ac.nz