ZX Evolution Revision C User Manual

The ZX Evolution Revision C user manual provides board layout, connector details, jumper settings, firmware installation, and usage instructions.


ZX Evolution Revision C User Manual - cover page
Brand
ZX Evolution
Category
Other Computer Accessories
Document type
User Manual
Language
English
Pages
20
File format
PDF
File size
1.1 MB
Published
01 October, 2026
Updated
01 October, 2026
MD5 checksum
43CC5AE823496B9BD48A009C4F8E14AA

About this manual

This manual describes the ZX Evolution Revision C computer board, a Spectrum‑compatible system built around a Z80 CPU and an Altera EP1K50Q208 FPGA. It outlines the board’s MiniITX form factor, core components such as the ATMEGA128 peripheral controller, and the various interfaces available.

The document covers connector pin‑outs, jumper configurations, ZXBUS slot usage, installation into ATX cases, firmware update procedures, and appendices for display connections, floppy drive setup, and additional PS/2 keyboard functions.

What's inside

  • Introduction
  • Board layout
  • Connectors
  • Jumpers and button
  • ZXBUS slots
  • Installation
  • ZX Evolution firmwares
  • Appendix 1 – Connecting display
  • Appendix 2 – Floppy drive
  • Appendix 3 – Additional PS2 keyboard functions

Specifications

CPUZ80 (3.5 MHz standard / 7 MHz turbo / 14 MHz mega turbo)
RAM4 MBytes
ROM512 KBytes flash ROM
Form factorMiniITX
Peripheral controllerATMEGA128
IDE interfaceParallel ATA, one channel, up to 2 devices

Frequently asked questions

How do I switch between VGA and TV mode?

Press the Scroll Lock key on the keyboard; the Scroll Lock LED indicates VGA mode.

Which connector is used for floppy drives and how many can be attached?

Connector X1 is for floppy drives (3.5" or 5.25") and supports up to four drives.

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