Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!ira.uka.de!smurf!flatlin!pilhuhn!hwr From: hwr@pilhuhn.ka.sub.org (Heiko W.Rupp) Newsgroups: comp.sys.amiga.hardware Subject: Re: Crippled A3000 Message-ID: <193f5e0a.ARN1469@pilhuhn.ka.sub.org> Date: Tue, 04 Jun 91 12:00:42 GMT References: <22123@cbmvax.commodore.com> Lines: 21 In article <22123@cbmvax.commodore.com>, Dave Haynie writes: > Well, strangely enough, all A3000s can work at either 16MHz or 25MHz, except > for the speed of the on-board CPU/FPU. The A3000's coprocessor slot lets an > expansion board disable the onboard CPU/FPU and supply an alternate system > clock. So yes, it's possible for a 25MHz add-in to run the entire system at > 25MHz. With such an add-in installed, there is no difference between an A3000 > that came at 25MHz and the upgraded 16MHz system. Would a 50 Mhz 68030/882 Card (or even a 040 Card with a higher speed than 25 Mhz) in the coprocessor slot also run or would it need more bus bandwith than available on the A3000 bus ? Gruesse -Heiko -- Heiko W.Rupp, Gerwigstr.5, D-7500 Karlsruhe 1 | hwr@pilhuhn.ka.sub.org Tel: +49 7021 693642 (voice only) | uk85@dkauni2.bitnet Are you blind? Catch a floating Eye!