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Model 2. Click for large size.

Technical Specs


Motorola 68000 running at 12.5Mhz in parallel with the Megadrive�s C.P.U.

Hardware Graphic Features:  

ASIC chip
Biaxial Rotation


6 MBit Main
512 Kbit PCM
128 Kbit CD-ROM data cache memory
64 Kbit backup


1 MBit Bios.

CD-ROM Drive:  

1x speed
150 Kbytes a second data transfer rate

CD Access Time:  

1.4 seconds maximum
0.8 seconds minimum


8 channels PCM
3" and 5" music CDs
CD+G discs

Stereo Output Sampling:  

32 KHz
16 bit D/A compatible
8x oversampling

Frequency Response:  

20 Hz to 20 KHz

Dynamic Range:  

Greater than 90 db

Channel Separation:  

Greater than 90 db


220(L) X 396(W) X 84(H) mm


49,800 � ($370) Japanese Release

Release Date:  

December 12, 1991 - Japan

System Notes/History

The Mega CD did not improve the colours on the Megadrive although it did allow the Megadrive to display film footage F.M.V.

Related Links
Sega CD Scans

Photo contributed by Aaron Mims.