*BSD News Article 38831


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From: ywliu@beta.wsl.sinica.edu.tw ()
Newsgroups: comp.os.386bsd.questions
Subject: UMC U5S CPU with FreeBSD 2.0
Date: 4 Dec 1994 01:46:58 GMT
Organization: Computing Center, Academia Sinica
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  Hello everyone. I brought up the question several days ago, and Linus
Torvalds was kind enough to tell me why U5S doesn't work with Linux and,
assumed FreeBSD should work with U5S.

Here is the message :

Yen-Wei Liu

In article <3bdurj$2j8@gate.sinica.edu.tw> you write:
>
>	Anyway, it is said it doesn't support any 32-bit OS, such as Linux
>, OS/2 and NT. It only supports Windows 3.1. Actually, I have tried it with
>FreeBSD 1.0 and it works. Now I wonder if FreeBSD 2.0 works with it ( I am
>still waiting for the CD-ROM to install). If it doesn't, I am gonna sell it.

It should work: linux did actually need one patch to get it to run with
the U5S, but that was a valid patch in any case (the U5S seems to have
slight differences in the TLB handling from the intel chips).  Other
than that, I haven't had any problem reports about the U5S, and thus
can't imagine that it wouldn't work with FreeBSD (unless they happen to
do the same TLB use linux did). 

		Linus