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Microsoft KB Archive/104400

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Knowledge Base


Video Cards Using S3 Chip Set May Cause Hardware Conflicts

Article ID: 104400

Article Last Modified on 11/1/2006



APPLIES TO

  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1



This article was previously published under Q104400

Video cards that use the S3 chip set, such as the Diamond Stealth adapter, may cause hardware (I/O address) conflicts under Windows NT. Observed behavior may include general video problems and strange colors. Your computer may stop responding (hang).

Some S3-based video adapters use an I/O address of 02E8 by default. This address is also used by default by most serial cards and modems as COM4. Other hardware, such as network adapters, may also use this address.

To resolve any possible hardware conflicts, make sure all adapters in your computer do not use I/O address 02E8.

NOTE: Windows NT does not support I/O address or Interrupt (IRQ) sharing.

MORE INFORMATION

By default, the Diamond Stealth comes configured to use IRQ2. This is the cascading IRQ to the second Intel 8259 Programmable Interrupt Chip (PIC). You may experience viedo problems, especially at higher resolutions, with this configuration.

To correct this problem, you can disable the Stealth's use of IRQ2 by removing a jumper from the video card. Please refer to your Diamond Stealth user's guide for the procedure. The products included here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.


Additional query words: prodnt screen garbled

Keywords: kbhardware KB104400