Difference between revisions of "Sega Mega Drive/Genesis Hardware"

From Game Tech Wiki
Jump to navigation Jump to search
(Model 1)
Line 1: Line 1:
 
Sega Mega Drive Motherboard revisions
 
Sega Mega Drive Motherboard revisions
 
==Model 1==
 
==Model 1==
 +
===NTSC Model 1 VA2===
 +
Board label: IC BD M5 USA VA2
 +
 +
{| border="1"
 +
|+NTSC Model 1 VA7 IC's
 +
|-
 +
| IC# || Brand || Name || Description || Documentation
 +
|-
 +
| IC1 || Signetics || SCN68000C8N64 || 8MHz Processor || <center>-</center>
 +
|-
 +
| IC2/IC3 || Toshiba || TC51832SPL-12 || CMOS 256K (32K x 8) Pseudo-SRAM, 12ns || <center>-</center>
 +
|-
 +
| IC4 || SEGA || 315-5308 || I/O chip || <center>-</center>
 +
|-
 +
| IC5 || SEGA || 315-5309 || I/O chip  || <center>-</center>
 +
|-
 +
| IC6 || Zilog || Z0840004PSC || Zilog Z80 8-bit coprocessor || <center>-</center>
 +
|-
 +
| IC7 || NEC || D4168C-15 || 8,192 x 8-BIT NMOS XRAM, 150 ns || style="text-align: center;"| -
 +
|-
 +
| IC8 || SEGA ||
 +
 +
315-5313 (Yamaha YM7101) || VDP || <center>-</center>
 +
|-
 +
| IC9/IC10 || ? || ? || ? || <center>-</center>
 +
|-
 +
| IC11 || Yamaha || YM2612 || frequency modulation synthesizer || <center>-</center>
 +
|}
 +
 +
 
===NTSC Model 1 VA7===
 
===NTSC Model 1 VA7===
 
[[File:PC_BD_M5_USA_VA7.jpg|thumb|150px|NTSC Model 1 VA7]]
 
[[File:PC_BD_M5_USA_VA7.jpg|thumb|150px|NTSC Model 1 VA7]]
Line 66: Line 96:
 
| IC14 || ? || ? || ? || <center>-</center>
 
| IC14 || ? || ? || ? || <center>-</center>
 
|}
 
|}
 
 
 
  
 
==Model 2==
 
==Model 2==

Revision as of 08:42, 21 May 2013

Sega Mega Drive Motherboard revisions

Model 1

NTSC Model 1 VA2

Board label: IC BD M5 USA VA2

NTSC Model 1 VA7 IC's
IC# Brand Name Description Documentation
IC1 Signetics SCN68000C8N64 8MHz Processor
-
IC2/IC3 Toshiba TC51832SPL-12 CMOS 256K (32K x 8) Pseudo-SRAM, 12ns
-
IC4 SEGA 315-5308 I/O chip
-
IC5 SEGA 315-5309 I/O chip
-
IC6 Zilog Z0840004PSC Zilog Z80 8-bit coprocessor
-
IC7 NEC D4168C-15 8,192 x 8-BIT NMOS XRAM, 150 ns -
IC8 SEGA 315-5313 (Yamaha YM7101) || VDP ||
-
IC9/IC10 ? ? ?
-
IC11 Yamaha YM2612 frequency modulation synthesizer
-


NTSC Model 1 VA7

NTSC Model 1 VA7

Board label: PC BD M5 USA VA7

NTSC Model 1 VA7 IC's
IC# Brand Name Description Documentation
IC1 Motorola MC68HC000FN8 Processor
-
IC2/IC3 Sharp LH5P832N-12 CMOS 256K (32K x 8) Pseudo-Static RAM
-
IC4 Zilog Z0840004PSC Zilog Z80 8-bit coprocessor
-
IC5 Sanyo LC3564PM 64K (8192 words x 8 bits) SRAM
-
IC6 SEGA 315-5487-01 I/O, Bus arbiter, VDP, ym2612, TMSS
-
IC7/IC8 Hitachi HM53461ZP-12SG 65,536-WORDx4-bit Multiport CMOS video ram HERE
IC9/IC10 Rohm BA10324AF Op-amp
HERE
IC11 SONY CXA1145M Video
-
IC12 ? TA7805S Voltage regulator
-


PAL Model 1 M5

PAL model 1 M5

Board label: IC BD M5 PAL

PAL Model 1 M5 IC's
IC# Brand Name Description Documentation
IC1 Hitachi HD68HC000P8 8MHz Processor
-
IC2/IC3 Motorola MCM51L832ASP10 CMOS 1024 BIT SRAM
-
IC4 SEGA 315-5433 ?
-
IC5 SEGA 315-5313A ?
-
IC6 Zilog Z0840004PSC Zilog Z80 8-bit coprocessor
-
IC7 Fujitsu MB8464A-10LL-SK CMOS 65,536 SRAM
-
IC8 ? ? ?
-
IC9/IC10 ? ? ?
-
IC11 Yamaha YM2612 Audio
-
IC12 SONY CXA1034P Amplifier
-
IC13 SONY CXA1145P Video
-
IC14 ? ? ?
-

Model 2

NTSC Model 2 VA1

NTSC Model 2 VA1

Board label: PC BD MD2 VA1 USA

NTSC Model 2 VA1 IC's
IC# Brand Name Description Documentation
IC1 Motorola MC68HC000FN8 Processor
-
IC2 Toshiba TC511632FL-10 65,536 Word x 16 Bit Dynamic Ram
-
IC3 ? ? ?
-
IC4 SEGA 315-5678 (?) ?
-
IC5 Fujitsu M88464A-10L 8K Words x 8-Bit (64K) CMOS SRAM Low Power
-
IC6 SEGA 315-5660 ?
-
IC7 OKI M54C864-80 65,536-Word x 8-Bit Multiport DRAM
-
IC8 ? ? ?
-
IC9/IC10 ? LM324 Low power quad op amps
-
IC11 SONY CXA1145M Video (RGB Encoder) HERE
IC12 ? ? Voltage regulator
-

PAL Model 2 VA1.8

PAL model 2 VA1.8

Board label: PC BD MD2 VA1.8 PAL

PAL Model 2 VA1.8 IC's
IC# Brand Name Description Documentation
IC1 Motorola MC68HC000FN8 Processor
-
IC2 ? 651632DFP-15 SOP 40W
-
IC3 ? ? ?
-
IC4 Zilog Z84C0006FEC Zilog Z80 8-bit coprocessor
-
IC5 ? ? ?
-
IC6 SEGA 315-5660 ?
-
IC7 Hitachi HM53861J-8 RAM chip
-
IC8 ? ? ?
-
IC9/IC10 Rohm BA10324AF ground sense quad op-amp
-
IC11 Fujitsu MB3514 RGB Encoder HERE
IC12 ? ? Voltage regulator
-

Model 3

See Also