ZuluSCSI Ultra Wide OSHW Rev 2026b

ZuluSCSI® Ultra Wide OSHW is a high-performance 68-pin Ultra SCSI emulator in a 3.5" form factor.

These design files are licensed under the CERN Open Hardware License Version 2 - Strongly Reciprocal (Strict Variant, OHL-S v2)

Changes to PCB and Schematic:

• Added missing 3d models of parts
• Generated 3D step file of the board
• Printed a PDF of the schematic
• Standardize footprints & add missing part numbers
• Add further BOM metadata & lock a few footprints
• Centered indentation to the SD card
• Added reference designators and chip type to the buffers
• Added labels to the external eject and LED headers
• Added labels on top and bottom for the I2S header
• Bumped revision letter

ZuluSCSI Ultra Wide OSHW Rev 2026a

Features added:

• Pico SWD debug header (3 Pin JST header)
• I2C QWIIC header added (4 pin JST header)
• I2S Header added, compatible with AdaFruit PCM510x I2S DACs
• 4 Pin 0.1" (2.54mm) pitch power header added
• Github Workflow for auto generation of Gerbers, BOM, and Pos files