The ZX Evolution Revision C user manual provides board layout, connector details, jumper settings, firmware installation, and usage instructions.
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.
| CPU | Z80 (3.5 MHz standard / 7 MHz turbo / 14 MHz mega turbo) |
|---|---|
| RAM | 4 MBytes |
| ROM | 512 KBytes flash ROM |
| Form factor | MiniITX |
| Peripheral controller | ATMEGA128 |
| IDE interface | Parallel ATA, one channel, up to 2 devices |
Press the Scroll Lock key on the keyboard; the Scroll Lock LED indicates VGA mode.
Connector X1 is for floppy drives (3.5" or 5.25") and supports up to four drives.