Date: Mon, 8 Apr 1996 00:21:14 -0400 (EDT) From: cau@cc.gatech.edu (Carlos Ugarte) To: mc7953@mclink.it (Marco Masotti) Cc: questions@freebsd.org, mc7953@mclink.it Subject: Re: Asus PVI486SP3 and Adaptec 2940 compatibility Message-ID: <199604080421.AAA02312@oscar.cc.gatech.edu> In-Reply-To: <316810C3.41C67EA6@mclink.it> from "Marco Masotti" at Apr 7, 96 09:00:19 pm
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> I have problems in getting an Asus PVI486SP3 working with a 2940 > controller. The Ide on board controller has been disabled, the video > card is CL 5430, ram is 16 Mb, disk is IBM 1.080 Gbyte, CD drive Sun (2X > standard). I have the same motherboard, and an Adaptec 1542CF. There is a problem with this board and DMA busmaster devices, which I think the 2940 is (the 1542CF is a busmaster). The problem is not always there; apparently it only shows up if the CPU uses L1 write-back cache. Usually, though, the problem is graver than the one you have stated (ie won't boot, corrupts data on hard drive, random crashes, etc.), so this may not be your problem. Carlos -- Carlos A. Ugarte cau@cc.gatech.edu Author of PageMage, a virtual desktop util for OS/2 http://www.cc.gatech.edu/people/home/cau/ If you understand what you're doing, you are not learning anything
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