The VR177X is a modern plugin replacement for the WD1770/WD1772/VL1772 floppy drive controller.

VR177X Features include:

– Plugin replacement.
– Low profile 28 pin DIL footprint.
– Provides the same functionality as the original WD1770/WD1772/VL1772.
– Auto switching between 8MHz and 16MHz operation.
– Full 5V TTL IO interface.
– Low power consumption.

The VR177X is one of several chip replacements from vRetro Design for retro computer enthusiasts, including the VR40007 and VR40010 for the Amstrad CPC, an AY-3-8912 replacement (including Turbo Sound model), the vLA81 for the Sinclair ZX81, the vLA82 for the Sinclair Spectrum 48K, the vLA128 for the Sinclair Spectrum 128K (Toastrack) and +2 (Grey case) and the vLA1 for the Sinclair ZX Interface 1.

Succesfully tested on:

the Atari STE

Spectrum MGT Disciple

PlusD

Opus Discovery

Acorn Electron Advanced Plus 3

BBC variants

QL Sandy Disk. 

Designed and produced By Charlie Ingley, of vRetro Design – for all the latest product updates, please see HERE