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Sega Genesis Chipset
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IC BD M5 USA VA 2
This is a complete list of an NTSC north american first-generation
Sega Genesis chips and descriptions. I have compiled this
list by taking apart my own unit and documenting everything:
Hardware Specs:
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CPUs: Motorola 68000 @ 7 MHz / 64k RAM & Zilog Z-80 @ 3.6 MHz
/ 8k RAM
The Z-80 is also used for sound & Master System compatibility
Sound: TI 76489 (PSG) & Yamaha YM 2612 (FM) 6-Channel Stereo
Graphics (VDP): 64 displayable colors, 512 possible / 64k VRAM
Screen Resolution: 320 x 224
1 | SEGA 315-5390 | Mega Play 8 HW Custom Square Chip
| 6048 | IC #5 - 80 PIN
| 9113 74 c |
2 | SCN68000C8N64 | CPU - Signetics (Phillips) 68k Compatible Chip
| KFD8105 | IC #1
| 8825KD |
3 | SEGA 315-5308 | Mega Play 8 HW Custom Square Chip
| 6045B | IC #4
| 8Z1171B |
4 | SEGA | Video Display Processor
| 315-5313 | IC #8
| 7101 92 04 65C |
5 | JAPAN 8904 | Hitatchi PSRAM - 32k x 8 Bit RAM
| HM65256BLSP-10 | IC #3
| 00002990 |
6 | JAPAN 8904 | Hitatchi PSRAM - 32k x 8 Bit RAM
| HM65256BLSP-10 | IC #2
| 00002990 |
7 | ZILOG | Zilog Z-80 8-Bit CPU @ 3.6 MHz
| Z08400004PSC | IC #6
| SL0965 |
| Z80 CPU |
| 8916 MG |
| NEC JAPAN | 8k RAM
| D4168C-15-SG | IC #7
| 8842XX202 |
| 8908KY |
| SEGA 315-5345 | IC #16
| YAMAHA | Yamaha FM Sound Generator
| YM2612 | IC #11
| 8Z 21 67 B |
| SONY 9A06 |
| A1034 | IC #12
| FMB81461-12 | 64K x 4 BIT Dual Port VRAM
| 8914 M09 BF | IC #9
| FMB81461-12 | 64K x 4 BIT Dual Port VRAM
| 8914 M09 BF | IC #10
| HA17358 | Power Supply Voltage Monitor
| 9C2 | IC #14
| 8V27 | SONY - RGB to Composite Video Encoder
| CXA1145 | IC #13
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