From owner-freebsd-questions Sun Oct 27 15:12:32 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id PAA23819 for questions-outgoing; Sun, 27 Oct 1996 15:12:32 -0800 (PST) Received: from mickey.umiacs.umd.edu (12222@mickey.umiacs.umd.edu [128.8.120.49]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id PAA23812 for ; Sun, 27 Oct 1996 15:12:28 -0800 (PST) Received: (smpatel@localhost) by mickey.umiacs.umd.edu (8.7.6/UMIACS-0.9/04-05-88) id SAA18967; Sun, 27 Oct 1996 18:12:26 -0500 (EST) Date: Sun, 27 Oct 1996 18:12:25 -0500 (EST) From: Sujal Patel To: Barry Masterson cc: Freebsd-questions Subject: Re: ISA_PnP & pnp.c (was ISA_PnP & patch) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk > Pnpinfo offers a variety of configurations; 'good', 'acceptable', > and 'suboptimal'. pnpinfo gave me two 'good' configurations; > IRQ 5 & ports 0x220, 0x330 & 0x388, basically in line with the > settings listed in the sb16 manual. The other 'good' choice > is IRQ 10 & ports 0x168, 0x36e, no DMA listed. You can use any of the Suboptimal configurations (these configurations are no better or worse for FreeBSD). For example: 0x220, 0x300, 0x388 is valid because: Device decodes the full 16-bit ISA address I/O Range maximum address: 0x220 I/O Range maximum address: 0x280 I/O alignment for minimum: 32 I/O length: 16 Device decodes the full 16-bit ISA address I/O Range maximum address: 0x300 <----------- You can pick any base I/O Range maximum address: 0x330 <----------- between these values I/O alignment for minimum: 48 I/O length: 2 Device decodes the full 16-bit ISA address I/O Range maximum address: 0x388 I/O Range maximum address: 0x388 I/O alignment for minimum: 1 I/O length: 4 Sujal