Article View: bit.listserv.coco
Article #43469Re: Memory Upgrade (blah)
From: Ricky Beam
Date: Mon, 29 Nov 1993 03:41
Date: Mon, 29 Nov 1993 03:41
26 lines
2117 bytes
2117 bytes
Chris Burke writes: > >Ricky Beam notes (regarding a possible 17MB MM/1): >>It doesn't really matter what the CPU can do, the hardware bus is set with >>a 24bit address and 16 bit data paths. 16 Meg is the max for the system. > >With the 68340 (or even a 68306) you have a 24-bit bus, but the >chip selects are based on a 32 bit address space. Thus, the >largest single memory block is 16MB (due to the # of address lines >on the bus), but you could address as many of these blocks as >you have chip selects (e.g. by running a "flying wire" from the >chip select pin to the memory). > Well, I did not know that! It would be interesting to try... --Ricky ===================================================================== = cramer@catt.ncsu.edu NCSU Computer and Technologies Theme Program = = jfbeam@tx.ncsu.edu NCSU College of Textiles = = jfbeam@eos.ncsu.edu NCSU College of Engineering = ===================================================================== = 414E Wood, NCSU, Raleigh, NC 27607 (919) 512-4653 = = 2600 Royster Rd., Shelby, NC 28150-2889 (704) 538-9060 = =====================================================================
Technical Details
Message-ID:
<9311290341.AA04329@garfield.catt.ncsu.edu>Path:
arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!howland.reston.ans.net!paladin.american.edu!auvm!CATT.NCSU.EDU!cramerShow Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 110568,7a0b593a4d813ca8,start
X-Google-Attributes: gid110568,public
X-Google-ArrivalTime: 1993-11-28 20:51:50 PST
Path: arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!howland.reston.ans.net!paladin.american.edu!auvm!CATT.NCSU.EDU!cramer
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Newsgroups: bit.listserv.coco
Return-Path: <@AUVM.AMERICAN.EDU:COCO@PUCC.BITNET>
Posted-Date: Sun, 28 Nov 93 22:41:33 EST
X-Mailer: ELM [version 2.3 PL11]
Message-ID: <9311290341.AA04329@garfield.catt.ncsu.edu>
Date: Sun, 28 Nov 1993 22:41:33 EST
Reply-To: Ricky Beam <cramer@CATT.NCSU.EDU>
Sender: COCO - Tandy Color Computer List <COCO@PUCC.BITNET>
From: Ricky Beam <cramer@CATT.NCSU.EDU>
Subject: Re: Memory Upgrade (blah)
In-Reply-To: <9311232245.AA07718@nermal>; from "Chris Burke" at Nov 23,
93 2:44 pm
Lines: 25