Difference between revisions of "Hanging note bug"

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(Bug-free)
(Added info about DSP relevance. Moved some model numbers from "Bug-free" to "Bugged".)
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The so-called ''hanging note bug'' is a bug present on certain models of the [[Creative Sound Blaster]] series. It can only occur when the card is utilized simultaneously for sound effects and wavetable MIDI music either with external modules or Wave Blaster daughterboards.
+
The so-called ''hanging note bug'' is a bug present on certain models of the [[Creative Sound Blaster]] series. Affected are models with DSP revisions 4.11, 4.12 and 4.13. It can only occur when the card is utilized simultaneously for sound effects and wavetable MIDI music either with external modules or Wave Blaster daughterboards.
  
 
== Cause ==
 
== Cause ==
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*CT1750
 
*CT1750
 
*CT1770
 
*CT1770
 +
*CT2230
 
*CT2260
 
*CT2260
 +
*CT2760
 
*CT2800
 
*CT2800
 
*CT2860
 
*CT2860
Line 21: Line 23:
 
*CT2980
 
*CT2980
 
*CT3600
 
*CT3600
 +
*CT3900
 
*CT3980
 
*CT3980
 
*CT3990
 
*CT3990
Line 27: Line 30:
 
*CT1730
 
*CT1730
 
*CT1740 (except DSP 4.12)
 
*CT1740 (except DSP 4.12)
*CT2230
 
*CT2760
 
*CT3900
 
 
*All AWE64 cards (DSP 4.16)
 
*All AWE64 cards (DSP 4.16)
  
 
== External links ==
 
== External links ==
 
[http://vogons.zetafleet.com/viewtopic.php?t=20849 Related thread on the VOGONS forums]
 
[http://vogons.zetafleet.com/viewtopic.php?t=20849 Related thread on the VOGONS forums]

Revision as of 20:49, 19 February 2013

The so-called hanging note bug is a bug present on certain models of the Creative Sound Blaster series. Affected are models with DSP revisions 4.11, 4.12 and 4.13. It can only occur when the card is utilized simultaneously for sound effects and wavetable MIDI music either with external modules or Wave Blaster daughterboards.

Cause

...?

How to find out if a card is affected

  • Start Hexen with hexen -warp 02. You will notice hanging notes almost immediately.
  • ...?

Sound card model numbers

Bugged

  • CT1740 (DSP 4.12)
  • CT1750
  • CT1770
  • CT2230
  • CT2260
  • CT2760
  • CT2800
  • CT2860
  • CT2910
  • CT2940
  • CT2950
  • CT2980
  • CT3600
  • CT3900
  • CT3980
  • CT3990

Bug-free

  • CT1730
  • CT1740 (except DSP 4.12)
  • All AWE64 cards (DSP 4.16)

External links

Related thread on the VOGONS forums