From owner-freebsd-hackers Tue Nov 28 15:51:29 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id PAA17757 for hackers-outgoing; Tue, 28 Nov 1995 15:51:29 -0800 Received: from ref.tfs.com (ref.tfs.com [140.145.254.251]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id PAA17748 for ; Tue, 28 Nov 1995 15:51:21 -0800 Received: (from julian@localhost) by ref.tfs.com (8.6.12/8.6.9) id PAA24664; Tue, 28 Nov 1995 15:50:32 -0800 From: Julian Elischer Message-Id: <199511282350.PAA24664@ref.tfs.com> Subject: Re: Anyone keen to help me get a Phillips CDD 521 Recorder working? To: graichen@omega.physik.fu-berlin.de (Thomas Graichen) Date: Tue, 28 Nov 1995 15:50:31 -0800 (PST) Cc: joerg_wunsch@uriah.heep.sax.de, hackers@freebsd.org In-Reply-To: <199511281133.MAA01104@prospero> from "Thomas Graichen" at Nov 28, 95 12:33:10 pm X-Mailer: ELM [version 2.4 PL24] Content-Type: text Content-Length: 1304 Sender: owner-hackers@freebsd.org Precedence: bulk > > > > > As Douglas Ambrisko wrote: > > > > > > I'll checkout rtprio, and I'm sorry I don't have all the specifics > > > right now (you can probably find them at http://www.cdarchives.com) but > > > the Yamaha is a 4X writer with only 512k buffer. > > > > 4times, 6times -- what's the base for the comparision? > > > > The SCSI bus itself can transfer about 8 MBytes/s continuously (on a > > "standard" 8-bit controller, like the AHA-2940 or NCR 53c810). How > > close do these burners come to that value? > > > i think the base is single speed cd - ~150 k per sec The base is hte data rate of a normal AUDIO CD player, when running in data mode.. 2X would therefore be a chipmunks emulator.. > > t > _______________________________________________________||___________________ > __|| > Perfection is reached, not when there is no __|| thomas graichen > longer anything to add, but when there __|| freie universitaet berlin > is no longer anything to take away __|| fachbereich physik > __|| > - Antoine de Saint-Exupery - __|| graichen@mail.physik.fu-berlin.de > ___________________________||__________________graichen@FreeBSD.org_________ >