- CPU: NEC 780C (clone of Zilog Z80)
- 3.579545MHz for NTSC, 3.546893MHz for PAL
- Main RAM: 16 kbit (2 kB)
- Video RAM: 128 kbit (16 kB)
- Sound: Texas Instruments SN76489
- 4-channel mono sound
- 3 sound generators, 4 octaves each, 1 white noise generator
- Video processor: Texas Instruments TMS9928A
- 256×192 resolution
- 32 sprites
- 16 colors
- Ports: 1 Parallel, 1 Cartridge, 1 Cassette, 1 Composite video, 2 Joystick, 1 Keyboard (Mark II only)
