From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 3 Aug 2001 21:31:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 3 Aug 2001 21:31:28 -0400 Received: from hera.cwi.nl ([192.16.191.8]:48545 "EHLO hera.cwi.nl") by vger.kernel.org with ESMTP id ; Fri, 3 Aug 2001 21:31:18 -0400 From: Andries.Brouwer@cwi.nl Date: Sat, 4 Aug 2001 01:31:17 GMT Message-Id: To: tomas.f@volny.cz Subject: Re: Trident 9660 problem Cc: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Tomas Franke writes: : I have following problem: : I have an old Olivetti computer as the router. After I upgraded it to 2.4.2 : kernel (RedHat 7.1), the screen always blanks in the moment when it starts : to write the boot messages. The screen is completely black and no signal on : Hsync/Vsync on VGA conncetor. So the monitor goes to the sleep mode after a : while. But the rest of the computer works as usual during this problem. : Only the video output is disabled. : The video chip is reported as "Trident 9660" by both X Windows and : M$ Windoze. : : Is this problem known? Yes. It is the kernel writing to port 0x92 to enable the A20 gate. Find a kernel that doesnt or edit setup.S. See also http://www.win.tue.nl/~aeb/linux/kbd/A20.html Andries