Sega Genesis Technical Specs | Sega Genesis&MegaDrive Wikipedia Page

Year Released: August 14th, 1989

Model Number: MK-1601 (r1), MK-1631 (r2), MK-1641 (r3)

CPU: Motorola 68000 running at 7.61 Mhz

ROM: 1 MByte (8 Mbit)

RAM: 64 KByte

Co-Processor: Z80 @ 4 MHz (Not Present in MK-1631) controls PSG (Programmable Sound Generator) & FM Chips

Sound RAM: 8 KBytes

Colors Available: 512

Colors on Screen: 64

Pixel Resolution: 320 x 224

Graphics: VDP (Video Display Processor) dedicated video display processor, controls playfield & sprites. 3 Planes, 2 scrolling playfields, 1 sprite plane.

VRAM: 64 KBytes (Video Ram)

CRAM: 64 x 9-bits (Color RAM)

Sound: PSG (TI 76489 chip), FM chip (Yamaha YM 2612) 6-channel stereo, 8 KBytes RAM Signal/Noise Ratio: 14dB