Victor HC-5
This page was last modified 15:18, 16 December 2021 by Mars2000you. Based on work by Rderooy and Gdx and others.



The first Victor computers were essentially rebranded Yamaha MSX machines without SFG music module. A superimposing adapter module (HC-A602S) was sold as an option.

The HC-5 is available in two models:

  • first version is the same as the CX5 or YIS-303 but with only 16kB RAM
  • second version is the same as the CX5F or YIS-503 but with only 16kB RAM

This machine was aimed at the Japanese market. The power supply is internal.

Brand Victor (Manufacturer: Yamaha)
Model HC-5
Year 1983-12 (rev.1), 1984 (rev.2)
Region Japan
Launch price ¥59,800
RAM 16kB (in slot 0)
Media MSX cartridges, side slot modules
Video Texas Instruments TMS9928A
Audio PSG (YM2149)
Chipset Yamaha YM5214
Keyboard layout QWERTY/JP50on
Extras 60 pins connector
Emulation ROM dump needed. See this thread for details


Victor HC-5 version 1
Victor HC-5 version 2
Victor HC-5 version 2 left side
Victor HC-5 version 1 left side
Victor HC-5 version 1 back
Victor HC-5 version 1 right side
Victor HC-5 with box and HC-A501F modulator
Victor HC-5 underside
Victor HC-5 label


The HC-5 is a MSX1 with a Z80A from Sharp (LH-0080A). It supports all Yamaha modules.

The optional superimposing adapter module has a RGB21 connector, mixed video output and audio volume regulator.

Slot Map

Slot 0 Slot 1 Slot 2 Slot 3
Page C000h~FFFFh RAM Cartridge
Page 8000h~BFFFh
Page 4000h~7FFFh Main-ROM
Page 0000h~3FFFh


Note: For RF output, the HC-A501F converter or the HC-A502F module is required.