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SHVC-2QW5B-X1

A prototype PCB with 2 EPROM chips for DSP1 games.

All PCB information based on a document by Overload

Supported ROM sizes

  • 4 Mbit
  • 8 Mbit

Supported RAM sizes

  • 16 kbit
  • 64 kbit
  • 256 kbit

On-board chips

Chip numberChip type
U14/8M EPROM
U24/8M EPROM
U316/64/256k SRAM
U4UPD77C25/P25 (DSP1)
U5?
U6PLD
U774LS157
U874LS157
U974HCU04
U10CIC

ROM Registration

A properly formatted internal header should have these values

The ROM registraion information is unknown

Memory Mapping

In order to get a game to work properly on an emulator, the following mapping should be used for this PCB.

The memory mapping is unknown

Games that use this PCB type:


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