Path: utzoo!attcan!uunet!snorkelwacker!apple!amdahl!kim From: kim@uts.amdahl.com (Kim DeVaughn) Newsgroups: comp.sys.amiga.tech Subject: Re: RAM piggy-backing ?? (ooh err!) Summary: well, almost Keywords: A1000 Message-ID: <3exs02VOaeCK01@amdahl.uts.amdahl.com> Date: 9 Jun 90 22:58:31 GMT References: <2113.266ea123@cc.nu.oz> <1990Jun8.023356.9590@actrix.co.nz> <267062a0-6a9.3comp.sys.amiga.tech-1@tronsbox.UUCP> Organization: Amdahl Corporation, Sunnyvale, CA 94086 Lines: 16 In article <267062a0-6a9.3comp.sys.amiga.tech-1@tronsbox.UUCP>, bleys@tronsbox.UUCP (Bill Cavanaugh) writes: > I think what he meant was exactly what he said: "What ... is piggybacking?" > > It's connecting one chip to another in parallel, pin for pin. You usually > put one pin on top of another, thus the name... Except for one or more high-order bit address pins, which you have to wire to the appropriate address line(s) on the bus. /kim -- UUCP: kim@amdahl.amdahl.com or: {sun,decwrl,hplabs,pyramid,uunet,oliveb,ames}!amdahl!kim DDD: 408-746-8462 USPS: Amdahl Corp. M/S 249, 1250 E. Arques Av, Sunnyvale, CA 94086 BIX: kdevaughn GEnie: K.DEVAUGHN CIS: 76535,25