PC Comms Card
An ISA expansion card with a parallel‑port interface designed to link a PC with PlayStation, Saturn, and N64 cheat/utility cartridges, enabling developers and enthusiasts to upload code, manage saves, and tinker with the console directly.
Description
The PC Comms Card functions as a bridge between EMS’s Action Replay‑style cartridges for the PlayStation, Saturn, and Nintendo 64, with a personal computer. Unlike a simple serial adapter, the Comms Card used a parallel‑style communication protocol, sending 8 bits at a time. This allowed relatively fast transfers of binaries, cheat databases, or save files between the consoles and a PC. It wasn’t widely sold at retail, mostly through developer channels or bundled with certain Action Replay packages.
The card itself was a ISA‑style board that slotted into a PC, with a cable connecting to the Saturn or PlayStation cartridge’s comms port. Once installed, it worked with EMS’s bundled DOS software to let users upload cheat codes, download save data, or even push small homebrew programs into the consoles’ memory for testing. In practice, it was used by hobbyist developers and import gamers who wanted deeper control over their libraries.
Collectors today note that the EMS PC Comms Card was part of a broader ecosystem of “Comms Link” devices. Datel had its own PC Comms Link ISA card for the PlayStation, N64, and Saturn, while EMS produced compatible alternatives for their Action Replay line. These devices were invaluable in the late 1990s for anyone experimenting with cheat systems or early homebrew, but they were niche products, never reaching the mass market.
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