From owner-freebsd-questions@FreeBSD.ORG Thu Sep 9 16:30:55 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6041016A4CE for ; Thu, 9 Sep 2004 16:30:55 +0000 (GMT) Received: from infidel.fajita.org (oldhallfarm.demon.co.uk [80.176.128.55]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0CAD043D2D for ; Thu, 9 Sep 2004 16:30:53 +0000 (GMT) (envelope-from lewiz@fajita.org) Received: from majic.fajita.org (majic.fajita.org [192.168.0.4]) by infidel.fajita.org (8.12.10/8.12.10) with ESMTP id i89GVhLv068894; Thu, 9 Sep 2004 17:31:43 +0100 (BST) (envelope-from lewiz@fajita.org) Received: (from lewiz@localhost) by majic.fajita.org (8.12.10/8.12.10/Submit) id i89GVhQk068893; Thu, 9 Sep 2004 17:31:43 +0100 (BST) (envelope-from lewiz) Date: Thu, 9 Sep 2004 17:31:42 +0100 From: Lewis Thompson To: Ted Mittelstaedt Message-ID: <20040909163142.GA67817@fajita.org> References: <20040908211320.GA47384@fajita.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="d6Gm4EdcadzBjdND" Content-Disposition: inline In-Reply-To: X-GPG-Fingerprint: 90A4 939E 3847 A3E4 8103 2A48 22DA B428 542F ED3F X-GPG-Info: http://www.lewiz.org/~lewiz/pgpkey / horowitz.surfnet.nl User-Agent: Mutt/1.5.6i X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Found to be clean X-MailScanner-From: lewiz@fajita.org cc: FreeBSD-questions Subject: Re: VESA_800x600 (age old question) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Sep 2004 16:30:55 -0000 --d6Gm4EdcadzBjdND Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 09, 2004 at 07:53:59AM -0700, Ted Mittelstaedt wrote: > > -----Original Message----- > > From: owner-freebsd-questions@freebsd.org > > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Lewis Thompson > > Sent: Wednesday, September 08, 2004 2:13 PM > > To: FreeBSD-questions > > Subject: Re: VESA_800x600 (age old question) > > > > > > On Wed, Sep 08, 2004 at 04:59:23PM -0400, Parv wrote: > > > in message <20040908183714.GA43489@fajita.org>, wrote Lewis Thompson > > > thusly... > > > > vidcontrol: cannot set videomode: Operation not supported by device > > > > > > > > Can somebody please tell me what this means? > > > > > > All that means is the card does not have proper/complete VESA > > > implementation. IOW, get a card w/ proper/complete VESA > > > implementation? > > > > Aha! So while it does have a VESA BIOS it's just not complete. > > Presumably the vesa code uses some of the less common features to > > achieve what it does? In a word, it's doesn't work and it's not going > > to without some really radical changes to the vesa code? Can you > > confirm/refute this? > > >=20 > VESA was a standard that was important back in the DOS days. When it > first came out the card vendors all came out with TSR's that would > intercept the VESA calls and either make the equivalent BIOS calls into > the card BIOS or would setup the registers directly. >=20 > Later on the card vendors all integrated that into their video card > BIOS roms. >=20 > These days in the age of Windows and protected mode OSs, the video card > driver generally does not make calls into video BIOS for most things. >=20 > With FreeBSD the VESA stuff is handled by the VESA driver (kldload vesa) > which talks to vga() which I believe handles the ugliness of the bios > calls into the actual video card bios. Only certain cards have been > tested with this module and this driver. (you did load the vesa module > before running vidcontrol and specing VESA modes, did you?) Yeah, I had it compiled into my kernel ;) > It's quite possible that your video card does have vesa extensions but > because of some difference in their implementation, the calls from > vga() fail, thus the vesa module cannot use it. Or it's quite possible > that your manufacturer didn't include VESA support at all. >=20 > There are some DOS utilities floating around which test for VESA > compatability, you might try booting your laptop into DOS and running > one of those. If they say your laptop supports VESA extensions then > perhaps the vga developer would add support into the driver. Okay, I'll see if I can give that a go... I'll have to figure out how to netboot DOS now... :/ Thanks a lot, -lewiz. --=20 I was so much older then, I'm younger than that now. --Bob Dylan, 1964. ------------------------------------------------------------------------ -| msn:purple@lewiz.net | jabber:lewiz@jabber.org | url:www.lewiz.org |- --d6Gm4EdcadzBjdND Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFBQIVuItq0KFQv7T8RAv/hAKCeMxqFWJlKmSKPQzBskJsfkzK+yACeKXoj siuphoxq3q74b2rWl6YAOuY= =IGD4 -----END PGP SIGNATURE----- --d6Gm4EdcadzBjdND--