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1541 Ultimate Firmware v1.7 BETA 1541 Ultimate Firmware v1.7 BETA

1541 Ultimate V1.7 beta Firmware Download

Installation instructions: 

1) Make sure that in your current configuration, the "application to boot" is set to "appl.bin" (the default).

2) Unzip the zip file into the ROOT of an SD-card, of which you have made sure that the 1541 Ultimate can read it.

3) Place the SD-card in the 1541U, and make sure the 1541U is correctly inserted in a C64/C128 expansion slot.

4) Turn on the C-64 and watch the screen output.

5) Turn off the C-64 when the update is finished.

In comparison to 1.6, the following has been changed:

  • The freezer has been made more robust. (Needs more testing)
  • Minor fixes in the IEC interface (but not yet satisfactory)
  • SID player has been added
  • Epyx Fastloader cartridge has been added
  • Support for custom carts has been added (8K/16K, as well as existing carts)
  • Support for (custom) Ocean and System3 cartridges added.

This is a BETA release.


System Commodore 64
Size689.23 KB