From owner-freebsd-questions Thu May 31 22:59:30 2001 Delivered-To: freebsd-questions@freebsd.org Received: from orbimus.dhs.org (cg52970-c.adubn1.nj.home.com [65.9.202.21]) by hub.freebsd.org (Postfix) with ESMTP id DFF0537B423 for ; Thu, 31 May 2001 22:59:27 -0700 (PDT) (envelope-from klined@orbimus.dhs.org) Received: from localhost (klined@localhost) by orbimus.dhs.org (8.11.1/8.11.1) with ESMTP id f515xHZ37867; Fri, 1 Jun 2001 01:59:17 -0400 (EDT) (envelope-from klined@orbimus.dhs.org) Date: Fri, 1 Jun 2001 01:59:16 -0400 (EDT) From: Kyle Rollin To: Chuck Rouillard Cc: "David L. Hays, Jr." , Subject: Re: Problem with sound card and lpt port on non-standard IRQs In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > > ----- > > Kernel Config file: > > # Parallel port > > device ppc0 at isa? port? irq 5 drq 3 > > device ppbus # Parallel port bus (required) > > device lpt # Printer > > Why do you have a DMA request value for a parallel port device? Most modern LPT ports (ECP, EPP, etc) require a DMA address. This is for bi-directional communication with the printer, so the printer can directly access the spooled pages in memory, etc. -Kyle Rollin klined@orbimus.dhs.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message