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Category: 1541 Ultimate
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d64 floppy.jpg 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.

04-11-16 English Commodore 64 689.23 KB 140.00 Download
d64 floppy.jpg 1541 Ultimate User Guide 0.15 (c3)

Found this older user guide for Gideon Zweijtzer's 1541 Ultimate.  Not sure if there is a newer one, but this one has a LOT of good info in it.  If you have on of these awesome cartridges for the Commodore 64, you'll want this guide.

07-10-15 English PDF 4.41 MB 428.00 Download