The Pocket 1541 is a emulator for the 1541 disk drive. Pocket 1541 uses a SD card to store your data, supported formats are: D64, M2I, PRG, D71, D81 and P00.

The firmware is based on the open source SD2IEC firmware. The device has four buttons and a LCD screen that can be used to navigate to the required files on the SD card.

source: commodore-gg.hobby.nl pocket 1541 homepage

SD2IEC is a hardware mass storage device using an SD/MMC card and interfacing with the IEC bus. It is based on the ATmega644 microcontroller from the Atmel AVR microcontroller family.

The most prominent use of SD2IEC is emulation/replacement of a Commodore-1541 disk drive for a C64. Hardware and the microcontroller’s firmware is available as open source (GPL).

Changelog:

2010-08-06 – release 0.10.0pre1

• GEOS 2.0 support (d64/d71/d81 images only)
• File-based M-R emulation.
• Removed “oldnkc” configuration.

source: sd2iec.de gitweb forum thread c64-wiki

SD2IEC is a hardware mass storage device using an SD/MMC card and interfacing with the IEC bus. It is based on the ATmega644 microcontroller from the Atmel AVR microcontroller family.

The most prominent use of SD2IEC is emulation/replacement of a Commodore-1541 disk drive for a C64. Hardware and the microcontroller’s firmware is available as open source (GPL).

Changelog:

2010-08-02 – release 0.9.3

• Bugfix: Extension hiding works again with names >12 characters.
• Bugfix: Increase data hold time during standard TALK.
• Testing aid: card detect-to-LED function.

source: sd2iec.de gitweb forum thread c64-wiki