Greaseweazle V4.1 adapter

With the Greaseweazle V4.1 adapter you can connect an old floppy drive to your modern computer (PC/Linux/Mac) to read or write floppy discs from any system with Shugart standard drives (Amiga, Atari, Commodore, Amstrad, Sinclair, PC, CNC machines, musical instruments etc.).

Greaseweazle enables versatile control of floppy drives via USB. By extracting the pure data from a drive, any floppy format can be captured and analysed - PC, Amiga, Amstrad, PDP-11, musical instruments, industrial equipment and more. The Greaseweazle also supports writing to disc from a range of image file formats, including those commonly used for online preservation (ADF, IPF, DSK, IMG, HFE, ...).

Further information and documentation can be found in the Greaseweazle V4 Wiki.

Greaseweazle V4.1 features (in red the new 4.1 features compared to the V4 version)

• Reads and writes 3‘, 3.5’, 5.25‘ and 8’ floppy discs (with suitable drive and cable)
• Buffered outputs for communication with older 5.25‘ and 8’ drives
• Integrated power connector for direct power supply of most 3.5’ drives
• USB 5V isolation jumper (to power the card via the floppy power connector, useful for solutions with separate power supply)
• Form factor, including larger mounting holes
• Correctly assigned floppy connector for PC drive cable (pin 5 missing)
• USB-C connector
• ESD protection for USB data cables
• Overcurrent protection on the USB power cable
• The write enable jumper can be removed to preserve valuable old floppies
• Supports 5.25’ floppy drives with modification
• Supports read/write operations in the WinUAE Amiga emulator
• Supports disc change detection as used by Rob Smith's integration into the WinUAE Amiga emulator
• Header for external LEDs
• 3 user-definable outputs (e.g. 8’ interface REDWC signal)
• New PCB colour (purple)
• 100% factory tested before delivery

Requirements

• A real floppy disc drive
• Floppy discs
• Data and power cable for the floppy disc drive
• USB-C cable

Compatibility

• Windows 8, 10, 11 (*)
• Linux Ubuntu (*)

(*) Linux distributions and most MacOS versions should also work, but have not been fully tested.

3 year manufacturer's warranty

Designed and manufatured by Keir Fraser / Zeroflux.