Beware ET4000 w32p and COM4 (was: What is a Well Supported VGA Card)

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#35

From: engineer
Date: Fri, 12 Jul 1996 00:00

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In <31E591C6.41C67EA6@suphys.physics.usyd.edu.au>, Gekko <joes@suphys.physics.usyd.edu.au> writes:
>Matt Hyne wrote:
>
>> Can anyone tell me a decent card that they have found that can do
>> 1024x768x256 @ 72Hz or better.
>> 
> I currently have a Tseng labs et4000 w32p card and i'm very happy with it
[slurp]
BEWARE!
At my company we experienced problems with the ET4000 w32p interfering with the
COM4 (0x2E8 - 0x2EF) address range. This is similar to the ATI Graphics Pro Turbo
(which I have at home) but at least ATI tells you about it!. The symptoms were:
spurious NULLs and 0x80 characters coming out of COM4 when any video activity
occurred (mouse moving, opening-, closing-, sizing- windows etc). Changed the
graphics card to a Trident or Diamond and the problem went away. Just a word of
warning to let you know.
Cheers
Chris Hoffmann.

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From: engineer@scandic.com.au
Subject: Beware ET4000 w32p and COM4 (was: What is a Well Supported VGA Card)
Date: 1996/07/12
Message-ID: <4s47v6$ch3@kettle.magna.com.au>
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references: <Pine.SOL.3.93.960710105010.17157D-100000@venice.rp.CSIRO.AU> <31E591C6.41C67EA6@suphys.physics.usyd.edu.au>
organization: Magna Data Internet Services
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