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Category: 1541 Ultimate
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d64 floppy.jpg 1541 Ultimate Firmware v1.7 BETA HOT

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 105.00 Download
d64 floppy.jpg 1541 Ultimate User Guide 0.15 (c3) HOT

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 374.00 Download