Instructions and compatibility lists:

The MechBoardZX & The MechBoardZX LED – Manual Rev.1 (English)

The_MechboardZX_manualDownload

RCT PRO – Manual Rev.1 (English)

Manual Rev.1 (English)Download

RCT PRO – Overview supported DRAMs

Overview supported DRAMsDownload

RCT PRO – Overview supported SRAMs

Overview supported SRAMsDownload

RCT PRO – Overview supported ROMs, PROMs, etc.

Overview supported ROMs, PROMs, etc.Download

RCT PRO – Overview supported Logic ICs

Overview supported Logic ICsDownload

ULA replacements vLA81, vLA82, vLA128:

vLA81 install guide V1.0

vla81_install_manual_v1.0Download

vLA81 user manual V1.3

vla81_user_manual_v1.3-1Download

vLA82 install guide V1.0

vla82_install_manual_v1.0Download

vLA128 install guide V1.1

vla128_install_manual_v1.1Download

ArcadeR Retro Joystick

ArcadeR – User Guide (1.2)Download

DesTestMAX C64/C128 MAX RAM Test

DesTestMAX_ManualDownload