Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!caip!clyde!cbatt!cbosgd!ihnp4!inuxc!pur-ee!uiucdcs!uiucuxc!hamilton From: hamilton@uiucuxc.CSO.UIUC.EDU Newsgroups: net.micro.amiga Subject: Re: Availability of Amiga Kermit in the Message-ID: <148600132@uiucuxc> Date: Wed, 27-Aug-86 15:14:00 EDT Article-I.D.: uiucuxc.148600132 Posted: Wed Aug 27 15:14:00 1986 Date-Received: Sun, 31-Aug-86 05:06:08 EDT References: <504@elmgate.UUCP> Lines: 32 Nf-ID: #R:elmgate.UUCP:504:uiucuxc:148600132:000:1671 Nf-From: uiucuxc.CSO.UIUC.EDU!hamilton Aug 27 14:14:00 1986 >I was at the BADGE meeting again and had a wonderful time, and I heard this >talk about some news release that Jay Miner of Amiga had put out speaking >of new chips that had 1024x1024 graphics and could extend their address >space to 2 meg (chip memory of 2 meg). *But*, that these were for the >new Amiga machine and that they were not retro-fit-able in the Amiga 1000. > >So I go off to all my friends about how nice the *new* Amiga is going to >be and one of them says, "No, these chips will be able to be put in the >Amiga, look at the Memory Maps, see that space for 2 meg of memory. That >is where these new chips come in. I know, I talked to them at Comdex." > >So, since I missed the release, and would love it if this guy was right, >I thought this would be the place to get the record set straight. > >??? comments anyone ??? the memory map is a MINOR problem. the REAL problem is the motherboard. if it only has address lines for 512K, it doesn't matter that the address space is available -- you can't reach it. the current custom chips seem to use ALL their pins, and dedicate only 9 for RAM addressing (i assume it's doing its own row and column addressing?). unless they free up some other pins, or double up functions, neither of which would be backward-compatible, they'll have to ADD a pin on the new chipset, so they won't even fit in the same sockets. wayne hamilton U of Il and US Army Corps of Engineers CERL UUCP: {ihnp4,pur-ee,convex}!uiucdcs!uiucuxc!hamilton ARPA: hamilton%uiucuxc@a.cs.uiuc.edu USMail: Box 476, Urbana, IL 61801 CSNET: hamilton%uiucuxc@uiuc.csnet Phone: (217)333-8703 CIS: [73047,544] PLink: w hamilton