Date: Tue, 13 Feb 1996 13:10:36 -0800 (PST) From: Le-Chin Eugene Liu <lliu@twolf7.EE.WASHINGTON.EDU> To: questions@freebsd.org Subject: Re: Problem of Install FreeBSD 2.1! Message-ID: <Pine.ULT.3.91.960213124616.255A-100000@twolf7.ee.washington.edu> In-Reply-To: <199602131822.LAA23486@phaeton.artisoft.com>
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On Tue, 13 Feb 1996, Terry Lambert wrote: > The video card you are using illegally (IMO) uses the com3 address range. Sorry to correct you, but I think the address is COM4(sio3), 0x2e8. I have the same problem using a new ATI CT Mach64 card. From what I was told, the story is that IBM used 0x2e8 in their 8514A standard. So for compatibility's reason, other graphic chips use that address, too. But usually, the they have the register "hidden" until the enhanced mode is invoked. Unfortunately, Mach64 has that register always activated. That causes the problem. Eugene > > The SIO probe will probe all devices or none. When it probes the COM3: > address range, your card is clobbered (it's nose gets cut off because > it is sticking where it does not belong). > > You should boot "-c" and disable the SIO probe. > > When you have installed and come up correctly, you will need to rebuild > a kernel that either has SIO3 ripped out of the array, or has no com port > drivers. > > The process to rip com3 out of the array is described in the -questions > list archive on www.freebsd.org. > > > Terry Lambert > terry@lambert.org > --- > Any opinions in this posting are my own and not those of my present > or previous employers.
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