• ZX Spectrum diagnostic card (4 x ROM)

Diagnostic card for diagnosing and repair of ZX Spectrum computers.

95.00
pcs Add to wishlist
Shipping within 48 hours
Shipping price The Lack Of
The Availability Of 78 pcs

Diagnostic card - ROM for ZX Spectrum computer, with EPROM 27C512 chip with capacity of 64 kB. Allows to run four different ROMs of the computer instead of the originally built-in one.

Including a free EPROM with the card, on which the following programs are installed:

  1. Gosh Wonderful ROM - alternative, improved ZX BASIC ROM.
  2. ZX Diagnostics - diagnostic software
  3. Retroleum DiagROM - diagnostic software
  4. Ian Logan ZX Spectrum Test ROM - diagnostic software

The ROM card is used for service diagnostics of ZX Spectrum computers: memory, ULA, keyboard, EAR/MIC, image and sound. It also allows you to run modern, alternative ZX BASIC ROMs, improved over the original version from 1982.

The card supports EPROM 27C512 (64 kB - 4 banks), 27C256 (32 kB - 2 banks) and 27C128 (16 kB - 1 bank).
Works with computers:

  • ZX Spectrum 48/+/128
  • ZX Spectrum +2
  • Timex 2048
  • Harlequin 48/128
  • Sizif-512

User manual: 
https://mumio.dev/wp-content/uploads/2023/04/A1_ExtROM_EN.pdf

ROM descriptions and more
https://mumio.dev/?p=256