home *** CD-ROM | disk | FTP | other *** search
- Path: in2.uu.net!insync!news
- From: lee@insync.net (Lee)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: 3640 in A3000 16 Mhz?
- Date: 21 Apr 1996 02:37:32 GMT
- Organization: Insync Internet Services
- Message-ID: <1358.6684T1294T1761@insync.net>
- References: <4l38j8$bkc@gina.zfn.uni-bremen.de> <317787FF.2035@ford.com> <4147cc$92331.bb@NEWS>
- NNTP-Posting-Host: dummy31-69.insync.net
- X-Newsreader: THOR 2.22 (Amiga;TCP/IP) *UNREGISTERED*
-
- >In article <317787FF.2035@ford.com> "Chris \"Big Kahuna\" Rampson"
- ><crampson@ford.com> writes:
-
- >> I believe that the A3640 will not work in a 16Mhz machine. It has a
- >> 25Mhz 68040 chip on it, and the A3000 must match that speed to
- >> communicate properly.
-
- >Chris,
-
- > This isn't true. I'm running an A3640 in my A3000, which started out as
- >a 16mhz machine. There are jumpers on the motherboard for allowing the use
- >of the external clock on the A3640 and changing the ROM speed to match. I
- >did find that the jumper settings as shown in the web page concerning the
- >conversion are wrong though. I believe the most important aspect of the
- >whole conversion is making sure you have the updated DMAC and Ramsey chips.
- >I bought mine from Software Hut and it has been running fine ever since.
-
- Only sometimes. I am using old Ramsy/DMAC in my 16mhz A3000, and the A3640
- works fine. It's just a crap shoot. Some work, and some don't. But all the
- new ones work.
-
- Lee
-
- *** * * * * ***
- * Lee Sharp *
- * Sharp Systems - Computer Hardware and Software Solutions *
- * "lee@insync.net" Hardware Upgrades & Sales (from Houston, TX) *
- *** * * * * ***
-
-