Official Firmware, ROMs & Manuals Center
Verified downloads in test bank with real Z80. Binaries ready to burn on EEPROM (28C256 / 28F040), images for microSD card and open circuit schematics KiCad.
| Package / build | Version | Date | Notes | Size | Download |
|---|---|---|---|---|---|
| Firmware Multiply Pro CoreESXDOS & modified Rancanuo core | v2.0.4E | 28 May 2024 | Timing adjustment for Sinclair ZX Spectrum +2/+2A plates. Includes documentation. | 512 KB | download Descargar .BIN |
| SD Pack & PatchesNextZXOS, utilities and profiles | 2024.06 | June 2024 | Diagnostic files, profiles, and patches already organized for microSD. | 2.4 MB | download Descargar ZIP |
| Guide Multiply+ V2Updated manual in Spanish | rev.2 | May 2024 | Installation, compatible cards, boot combinations and troubleshooting. | 2.6 MB | picture_as_pdf Abrir PDF |
Software, guide and update
Official package with configuration, control panel profiles and update procedure.
Test ZX-USB and formats
TAP, MGT, TRD, and DSK files for validating adapter compatibility.
Compatible mappings and games
Real test pack for ZX-USB with ready-to-use control profiles
Installation, ROM banks, menu, and operation of the cartridge.
Printable models of the case for PCB mounting and protection.
Connection, operation, and solution of common incidents.
Multiply Pro Case
3D printing box ready and original PCB assembly
view_in_ar Descargar STL
Wilco81 documentation
Professional system manual and installation references
picture_as_pdf Abrir manual
ZX-USB rev.2 manual
USB interface configuration and compatibility with controllers.
picture_as_pdf Abrir PDF
CPC Plus Compatibility
Technical Guide for Edge to IDC and cable for CPC Plus
picture_as_pdf Abrir guíaQuick Guide: Flashing SD card & EEPROM
Follow this strict sequence to avoid write inconsistencies in 5V Flash memories.
Use FAT32 and an allocation unit size of 32 KB. Leave at least 10% of space free.
Extract the ZIP and place the indicated file in the root directory or /SYS.
Insert the card with the equipment turned off, hold the indicated button and turn on for three seconds.
Do you need a customized ROM for your microcomputer?
Tell us about your special RAM configuration, clone, or modified board. Our team can compile and test a custom binary on real hardware.