Difference between revisions of "Sega Mega Drive/Hardware revisions"
From Sega Retro
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old>GerbilSoft (→VA2: USA, High Definition Graphics: Chip descriptions.) |
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==VA2: USA, High Definition Graphics== | ==VA2: USA, High Definition Graphics== | ||
[[Image:MD1_IC_BD_M5_USA_VA2.jpg|320px]] | [[Image:MD1_IC_BD_M5_USA_VA2.jpg|320px]] | ||
| + | |||
| + | [*]M68K CPU: Signetics SCN68000C8N64 | ||
| + | [*]M68K memory: 2x TC51832SPL-12 (32Kx8 PSRAM, 120 ns) | ||
| + | [*]Z80 CPU: Zilog Z8040004PSC | ||
| + | [*]Z80 memory: NEC D4168C-15 (8Kx8 XRAM, 150 ns) | ||
| + | [*]I/O chips: Sega 315-5308, Sega 315-5309, Sega 315-5345 (DIP-16) | ||
| + | [*]VDP: Sega 315-5313 (YM-7101) | ||
| + | [*]Video RAM: 2x [NUMBER PLEASE] (32x8 DRAM) | ||
| + | [*]Headphone amp: Sony CXA1034 | ||
| + | [*]Video encoder: Sony CXA1145 | ||
| + | [*]FM synthesizer: Yamaha YM2612 | ||
==VA6: USA, High Definition Graphics== | ==VA6: USA, High Definition Graphics== | ||
[[Image:MD1_IC_BD_M5_USA_VA6.jpg|320px]] | [[Image:MD1_IC_BD_M5_USA_VA6.jpg|320px]] | ||
Revision as of 20:32, 15 January 2010
Model 1
VA2: USA, High Definition Graphics
[*]M68K CPU: Signetics SCN68000C8N64 [*]M68K memory: 2x TC51832SPL-12 (32Kx8 PSRAM, 120 ns) [*]Z80 CPU: Zilog Z8040004PSC [*]Z80 memory: NEC D4168C-15 (8Kx8 XRAM, 150 ns) [*]I/O chips: Sega 315-5308, Sega 315-5309, Sega 315-5345 (DIP-16) [*]VDP: Sega 315-5313 (YM-7101) [*]Video RAM: 2x [NUMBER PLEASE] (32x8 DRAM) [*]Headphone amp: Sony CXA1034 [*]Video encoder: Sony CXA1145 [*]FM synthesizer: Yamaha YM2612
VA6: USA, High Definition Graphics
