A Soundblaster DSP based on Intel 80C52 from the beginning of 90's. The die size is large. Each version 4xx has a different firmware burnt in mask ROM.

Available version:

- 405 : mask rom directly visible

- 412 : needs delayering and probably staining


Version 405


Version 405

Copyright Marking and Processor type seems to be based on a 80C52:

Version 412

To be posted


Version 405
Version 412


  • Single (16823×13247, 109.1MB)
nats/creative-tech/ct1741-v405.txt · Last modified: 2023/02/16 01:08 by mcmaster
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