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

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===PAL Model 2 VA1.8===
 
  
[[File:Genesis_pal_model2_VA1.8.jpg|thumb|PAL model 2 VA1.8]]
 
  
Board label: PC BD MD2 VA1.8 PAL
+
==Model 2==
 +
 
 +
===NTSC Model 2 VA1===
 +
 
 +
[[File:Model2_va1_motherboard.jpg|thumb|NTSC Model 2 VA1]]
 +
 
 +
Board label: PC BD MD2 VA1 USA
  
 
{| border="1"
 
{| border="1"
|+PAL Model 2 VA1.8 IC's
+
|+NTSC Model 2 VA1 IC's
 
|-
 
|-
 
| IC# || Brand || Name || Description || Documentation
 
| IC# || Brand || Name || Description || Documentation
Line 80: Line 84:
 
| IC1 || Motorola || MC68HC000FN8 || Processor || <center>-</center>
 
| IC1 || Motorola || MC68HC000FN8 || Processor || <center>-</center>
 
|-
 
|-
| IC2 || ? || 651632DFP-15 || SOP 40W || <center>-</center>
+
| IC2 || Toshiba || TC511632FL-10 || 65,536 Word x 16 Bit Dynamic Ram || <center>-</center>
 
|-
 
|-
 
| IC3 || ? || ? || ? || <center>-</center>
 
| IC3 || ? || ? || ? || <center>-</center>
 
|-
 
|-
| IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || <center>-</center>
+
| IC4 || SEGA || 315-5678 (?) || ? || <center>-</center>
 
|-
 
|-
| IC5 || ? || ? || ? || <center>-</center>
+
| IC5 || Fujitsu || M88464A-10L || 8K Words x 8-Bit (64K) CMOS SRAM Low Power || <center>-</center>
 
|-
 
|-
 
| IC6 || SEGA || 315-5660 || ? || <center>-</center>
 
| IC6 || SEGA || 315-5660 || ? || <center>-</center>
 
|-
 
|-
| IC7 || Hitachi || HM53861J-8 || RAM chip || <center>-</center>
+
| IC7 || OKI || M54C864-80 || 65,536-Word x 8-Bit Multiport DRAM || <center>-</center>
 
|-
 
|-
 
| IC8 || ? || ? || ? || <center>-</center>
 
| IC8 || ? || ? || ? || <center>-</center>
 
|-
 
|-
| IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || <center>-</center>
+
| IC9/IC10 || ? || LM324 || Low power quad op amps || <center>-</center>
 
|-
 
|-
| IC11 || Fujitsu || MB3514 || RGB Encoder || style="text-align: center;"| [http://elcodis.com/parts/6023884/MB3514.html#datasheet HERE]
+
| IC11 || SONY || CXA1145M || Video (RGB Encoder) || style="text-align: center;"| [http://pdf1.alldatasheet.com/datasheet-pdf/view/77344/SONY/CXA1145M.html HERE]
 
|-
 
|-
 
| IC12 || ? || ? || Voltage regulator || <center>-</center>
 
| IC12 || ? || ? || Voltage regulator || <center>-</center>
 
|}
 
|}
  
==Model 2==
+
===PAL Model 2 VA1.8===
  
===NTSC Model 2 VA1===
+
[[File:Genesis_pal_model2_VA1.8.jpg|thumb|PAL model 2 VA1.8]]
  
[[File:Model2_va1_motherboard.jpg|thumb|NTSC Model 2 VA1]]
+
Board label: PC BD MD2 VA1.8 PAL
 
 
Board label: PC BD MD2 VA1 USA
 
  
 
{| border="1"
 
{| border="1"
|+NTSC Model 2 VA1 IC's
+
|+PAL Model 2 VA1.8 IC's
 
|-
 
|-
 
| IC# || Brand || Name || Description || Documentation
 
| IC# || Brand || Name || Description || Documentation
Line 116: Line 118:
 
| IC1 || Motorola || MC68HC000FN8 || Processor || <center>-</center>
 
| IC1 || Motorola || MC68HC000FN8 || Processor || <center>-</center>
 
|-
 
|-
| IC2 || Toshiba || TC511632FL-10 || 65,536 Word x 16 Bit Dynamic Ram || <center>-</center>
+
| IC2 || ? || 651632DFP-15 || SOP 40W || <center>-</center>
 
|-
 
|-
 
| IC3 || ? || ? || ? || <center>-</center>
 
| IC3 || ? || ? || ? || <center>-</center>
 
|-
 
|-
| IC4 || SEGA || 315-5678 (?) || ? || <center>-</center>
+
| IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || <center>-</center>
 
|-
 
|-
| IC5 || Fujitsu || M88464A-10L || 8K Words x 8-Bit (64K) CMOS SRAM Low Power || <center>-</center>
+
| IC5 || ? || ? || ? || <center>-</center>
 
|-
 
|-
 
| IC6 || SEGA || 315-5660 || ? || <center>-</center>
 
| IC6 || SEGA || 315-5660 || ? || <center>-</center>
 
|-
 
|-
| IC7 || OKI || M54C864-80 || 65,536-Word x 8-Bit Multiport DRAM || <center>-</center>
+
| IC7 || Hitachi || HM53861J-8 || RAM chip || <center>-</center>
 
|-
 
|-
 
| IC8 || ? || ? || ? || <center>-</center>
 
| IC8 || ? || ? || ? || <center>-</center>
 
|-
 
|-
| IC9/IC10 || ? || LM324 || Low power quad op amps || <center>-</center>
+
| IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || <center>-</center>
 
|-
 
|-
| IC11 || SONY || CXA1145M || Video (RGB Encoder) || style="text-align: center;"| [http://pdf1.alldatasheet.com/datasheet-pdf/view/77344/SONY/CXA1145M.html HERE]
+
| IC11 || Fujitsu || MB3514 || RGB Encoder || style="text-align: center;"| [http://elcodis.com/parts/6023884/MB3514.html#datasheet HERE]
 
|-
 
|-
 
| IC12 || ? || ? || Voltage regulator || <center>-</center>
 
| IC12 || ? || ? || Voltage regulator || <center>-</center>
 
|}
 
|}
 
  
 
==Model 3==
 
==Model 3==

Revision as of 08:02, 21 May 2013

Sega Mega Drive Motherboard revisions

Model 1

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