| Sega's Genesis also known as Mega Drive was one of the two rivals of
it's time(the other being the SNES). The Genesis also had two addons,
the 32 bit extension called 32X and the CD-Rom drive called Mega CD.
Genesis Specs:
* CPU: Motorola 68000 at 7.61 MHz
- 1 MByte (8 Mbit) ROM Area
- 64 KByte RAM Area
* Co-Processor: Z80 @ 4 MHz (Not Present in MK-1631)
- Controls PSG (Programmable Sound Generator)
& FM Chips
- 8 KBytes of dedicated Sound Ram
* Graphics:
- 64 simultaneous colors of 512 color
pallete.
- Pixel resolution: 320 x 224
- VDP (Video Display Processor)
- 3 Planes: 2 scrolling playfields, 1
sprite plane
* Sound:
- PSG (TI 76489 chip)
- FM chip (Yamaha YM 2612)
- 6-channel stereo
- 8 KBytes RAM
- Signal/Noise Ratio: 14dB
32X Specs:
* CPU: Dual Hitachi SH-2 RISC Processors @ 23 MHz
each, 40MIPS.
* Co-Processors:
- Genesis 68000, and Z80
- Genesis 32X VDP
* Graphics:
- 32,768 simultaneous colours on screen
- Genesis resolution
- Overlaying over existing Genesis/SegaCD
video
- 50,000 texture-mapped polygons/sec
- Texture mapping
- Hardware scaling and rotation
* Sound:
- Stereo PCM chip
- Audio mixing with Genesis sound
- Additional 2 channels (8 Channels total,
or 16 with SegaCD)
Mega CD Specs:
* CPU: Motorola 68000 @ 12.5MHz
* Memory:
- 6Mbit (Program, picture data, sound
data)
- 512Kbit (PCM waveform memory)
- 128Kbit (CD-ROM data cache memory)
- 64Kbit (Backup memory)
- 1Mbit (Boot ROM)
* Sound:
- PCM Sound Source:
- Stereo, 8 Channels.
- 8x Internal over-sampling digital filter
- PCM and CD sound mixing.
- Mixing with mixing terminal possible
- Wavelength characteristics: 20Hz-20kHz.
- Signal/Noise Ratio: Over 90dB (1kHz)
(Line Out).
- Stereo channel separation: Over 90dB.
- Sampliing wavelength: 32MHz max.
- D/A Convertor:
* 16-bit D/A convertor
* Misc:
- Battery Backup Durection: Approx. 1
month
- 1x CD-Rom Drive Speed (150kb/s)
- Audio Out: L/W RCA pin jack.
- Dimensions (WHD): 301mm x 212.5mm x
112.5mm (r1).
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