Difference between revisions of "Sega Mega Drive/Genesis Hardware"
Jump to navigation
Jump to search
m (→Model 1) |
m (→Model 2) |
||
Line 253: | Line 253: | ||
==Model 2== | ==Model 2== | ||
===VA0 PAL=== | ===VA0 PAL=== | ||
+ | |||
+ | <br /> | ||
===VA1 [PC BD MD2 VA1 USA]=== | ===VA1 [PC BD MD2 VA1 USA]=== | ||
− | [[File:Model2_va1_motherboard.jpg| | + | [[File:Model2_va1_motherboard.jpg|200px|center]] |
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
− | | IC1 || Motorola || MC68HC000FN8 || Processor || | + | | IC1 || Motorola || MC68HC000FN8 || Processor || - |
|- | |- | ||
− | | IC2 || Toshiba || TC511632FL-10 || 65,536 Word x 16 Bit Dynamic Ram || | + | | IC2 || Toshiba || TC511632FL-10 || 65,536 Word x 16 Bit Dynamic Ram || - |
|- | |- | ||
− | | IC3 || ? || ? || ? || | + | | IC3 || ? || ? || ? || - |
|- | |- | ||
− | | IC4 || SEGA || 315-5678 (?) || ? || | + | | IC4 || SEGA || 315-5678 (?) || ? || - |
|- | |- | ||
− | | IC5 || Fujitsu || M88464A-10L || 8K Words x 8-Bit (64K) CMOS SRAM Low Power || | + | | IC5 || Fujitsu || M88464A-10L || 8K Words x 8-Bit (64K) CMOS SRAM Low Power || - |
|- | |- | ||
− | | IC6 || SEGA || 315-5660 || ? || | + | | IC6 || SEGA || 315-5660 || ? || - |
|- | |- | ||
− | | IC7 || OKI || M54C864-80 || 65,536-Word x 8-Bit Multiport DRAM || | + | | IC7 || OKI || M54C864-80 || 65,536-Word x 8-Bit Multiport DRAM || - |
|- | |- | ||
− | | IC8 || ? || ? || ? || | + | | IC8 || ? || ? || ? || - |
|- | |- | ||
− | | IC9/IC10 || ? || LM324 || Low power quad op amps || | + | | IC9/IC10 || ? || LM324 || Low power quad op amps || - |
|- | |- | ||
− | | IC11 || SONY || CXA1145M || Video (RGB Encoder) || | + | | IC11 || SONY || CXA1145M || Video (RGB Encoder) || [http://pdf1.alldatasheet.com/datasheet-pdf/view/77344/SONY/CXA1145M.html HERE] |
|- | |- | ||
− | | IC12 || ? || ? || Voltage regulator || | + | | IC12 || ? || ? || Voltage regulator || - |
|} | |} | ||
+ | |||
+ | <br /> | ||
+ | |||
===VA1 ASIA=== | ===VA1 ASIA=== | ||
+ | |||
+ | <br /> | ||
===VA1.8 [PC BD MD2 VA1.8 USA]=== | ===VA1.8 [PC BD MD2 VA1.8 USA]=== | ||
− | [[File:PC_BD_MD2_VA1.8_USA.jpg| | + | [[File:PC_BD_MD2_VA1.8_USA.jpg|200px|center]] |
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
− | |||
− | |||
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
− | | IC2 || Hitachi / Sanyo || 651632DFP-15 / LC331632M-12 || 512K (32K x 16-bit) SRAM || | + | | IC2 || Hitachi / Sanyo || 651632DFP-15 / LC331632M-12 || 512K (32K x 16-bit) SRAM || - |
|- | |- | ||
− | | IC3 || ? || ? || ? || | + | | IC3 || ? || ? || ? || - |
|- | |- | ||
− | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || | + | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || - |
|- | |- | ||
− | | IC5 || Rohm || XLJ6265AF-10SL || 64K (8K x 8-bit) CMOS SRAM || | + | | IC5 || Rohm || XLJ6265AF-10SL || 64K (8K x 8-bit) CMOS SRAM || - |
|- | |- | ||
− | | IC6 || SEGA || 315-5660 || Custom I/O chip || | + | | IC6 || SEGA || 315-5660 || Custom I/O chip || - |
|- | |- | ||
− | | IC7 || Samsung || KM428C64J-10 || 512K (64K x 8-bit) VRAM || | + | | IC7 || Samsung || KM428C64J-10 || 512K (64K x 8-bit) VRAM || - |
|- | |- | ||
− | | IC8 || ? || ? || ? || | + | | IC8 || ? || ? || ? || - |
|- | |- | ||
− | | IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || | + | | IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || - |
|- | |- | ||
− | | IC11 || Sony / Samsung || CXA1145M / KA2195D || RGB Encoder NTSC+PAL / NTSC only | | + | | IC11 || Sony / Samsung || CXA1145M / KA2195D || RGB Encoder NTSC+PAL / NTSC only || [http://elcodis.com/parts/6023884/MB3514.html#datasheet HERE] |
|- | |- | ||
− | | IC12 || ? || 7805 || +5V Voltage regulator || | + | | IC12 || ? || 7805 || +5V Voltage regulator || - |
|} | |} | ||
+ | |||
+ | <br /> | ||
===VA1.8 [PC BD MD2 VA1.8 PAL]=== | ===VA1.8 [PC BD MD2 VA1.8 PAL]=== | ||
− | [[File:Genesis_pal_model2_VA1.8.jpg| | + | [[File:Genesis_pal_model2_VA1.8.jpg||200px|center]] |
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
− | | IC1 || Motorola || MC68HC000FN8 || Processor || | + | | IC1 || Motorola || MC68HC000FN8 || Processor || - |
|- | |- | ||
− | | IC2 || ? || 651632DFP-15 || 512K (32K x 16-bit) SRAM || | + | | IC2 || ? || 651632DFP-15 || 512K (32K x 16-bit) SRAM || - |
|- | |- | ||
− | | IC3 || ? || ? || ? || | + | | IC3 || ? || ? || ? || - |
|- | |- | ||
− | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || | + | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || - |
|- | |- | ||
− | | IC5 || Rohm || BR6265BF-10SL || 64K (8K x 8-bit) CMOS SRAM || | + | | IC5 || Rohm || BR6265BF-10SL || 64K (8K x 8-bit) CMOS SRAM || - |
|- | |- | ||
− | | IC6 || SEGA || 315-5660 || Custom I/O chip || | + | | IC6 || SEGA || 315-5660 || Custom I/O chip || - |
|- | |- | ||
− | | IC7 || Hitachi || HM53861J-8 || 512K (64K x 8-bit) VRAM || | + | | IC7 || Hitachi || HM53861J-8 || 512K (64K x 8-bit) VRAM || - |
|- | |- | ||
− | | IC8 || ? || ? || ? || | + | | IC8 || ? || ? || ? || - |
|- | |- | ||
− | | IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || | + | | IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || - |
|- | |- | ||
− | | IC11 || Fujitsu || MB3514 || RGB Encoder || | + | | IC11 || Fujitsu || MB3514 || RGB Encoder || [http://elcodis.com/parts/6023884/MB3514.html#datasheet HERE] |
|- | |- | ||
− | | IC12 || ? || 7805 || +5V Voltage regulator || | + | | IC12 || ? || 7805 || +5V Voltage regulator || - |
|} | |} | ||
+ | <br /> | ||
===VA1.8 [PC BD MD2 VA1.8 ASIA]=== | ===VA1.8 [PC BD MD2 VA1.8 ASIA]=== | ||
− | [[File:PC_BD_MD2_VA1.8_ASIA.jpg| | + | [[File:PC_BD_MD2_VA1.8_ASIA.jpg|200px|center]] |
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
− | | IC1 || Motorola || MC68HC000FN8 || Processor || | + | | IC1 || Motorola || MC68HC000FN8 || Processor || - |
|- | |- | ||
| IC2 || Toshiba || TC511632FL-10 ||512K (32K x 16-bit) PSRAM, 100 ns || | | IC2 || Toshiba || TC511632FL-10 ||512K (32K x 16-bit) PSRAM, 100 ns || | ||
|- | |- | ||
− | | IC3 || ? || ? || ? || | + | | IC3 || ? || ? || ? || - |
|- | |- | ||
− | | IC4 || Toshiba || 84C00AU-6 || Z80 8-bit coprocessor || | + | | IC4 || Toshiba || 84C00AU-6 || Z80 8-bit coprocessor || - |
|- | |- | ||
− | | IC5 || ? || ? || 64K (8Kx8-bit) SRAM || | + | | IC5 || ? || ? || 64K (8Kx8-bit) SRAM || - |
|- | |- | ||
− | | IC6 || Sega || 315-5660 || || | + | | IC6 || Sega || 315-5660 || || - |
|- | |- | ||
− | | IC7 || Hitachi || HM53861J-8 || 512K (64K x 8-bit) VRAM || | + | | IC7 || Hitachi || HM53861J-8 || 512K (64K x 8-bit) VRAM || - |
|- | |- | ||
− | | IC8 || ? || ? || ? || | + | | IC8 || ? || ? || ? || - |
|- | |- | ||
− | | IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || | + | | IC9/IC10 || Rohm || BA10324AF || ground sense quad op-amp || - |
|- | |- | ||
− | | IC11 || Fujitsu || MB3514 || RGB Encoder | | + | | IC11 || Fujitsu || MB3514 || RGB Encoder || - |
|- | |- | ||
− | | IC12 || || 7805 || Voltage Regulator || | + | | IC12 || || 7805 || Voltage Regulator || - |
|} | |} | ||
+ | |||
+ | <br /> | ||
===VA2 [PC BD MD2 VA2 USA]=== | ===VA2 [PC BD MD2 VA2 USA]=== | ||
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
| IC1 || Motorola || MC68HC000FN12 || Processor || <center>-</center> | | IC1 || Motorola || MC68HC000FN12 || Processor || <center>-</center> | ||
Line 391: | Line 401: | ||
| IC2 || Sanyo || LC331632M-12 ||512K (32768 words X 16 bits) Pseudo-SRAM || | | IC2 || Sanyo || LC331632M-12 ||512K (32768 words X 16 bits) Pseudo-SRAM || | ||
|- | |- | ||
− | | IC3 || Rohm || BA10358 || Dual ground sense operational amplifier || | + | | IC3 || Rohm || BA10358 || Dual ground sense operational amplifier || - |
|- | |- | ||
− | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || | + | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || - |
|- | |- | ||
− | | IC5 || ? || XL J6265AF-10SL || || | + | | IC5 || ? || XL J6265AF-10SL || || - |
|- | |- | ||
− | | IC6 || Sega || 315-5786 (Toshiba T9N13BF) || || | + | | IC6 || Sega || 315-5786 (Toshiba T9N13BF) || || - |
|- | |- | ||
| IC7 || Samsung || KM428C64J-10 || 64K x 8 Bit CMOS Video RAM || <center>-</center> | | IC7 || Samsung || KM428C64J-10 || 64K x 8 Bit CMOS Video RAM || <center>-</center> | ||
|- | |- | ||
− | | IC8 || Yamaha || YM2612 || frequency modulation synthesize || | + | | IC8 || Yamaha || YM2612 || frequency modulation synthesize || - |
|- | |- | ||
− | | IC9/IC10 || || || || | + | | IC9/IC10 || || || || - |
|- | |- | ||
| IC11 || || || Voltage Regulator || style="text-align: center;"| - | | IC11 || || || Voltage Regulator || style="text-align: center;"| - | ||
|- | |- | ||
− | | IC12 || Sega || 315-5684 (Rohm BA6166FS) || SOUND NETWORK/HEADPHONE AMP || | + | | IC12 || Sega || 315-5684 (Rohm BA6166FS) || SOUND NETWORK/HEADPHONE AMP || - |
|- | |- | ||
− | | IC13 || Sanken || SKA2195D || RGB Encoder || | + | | IC13 || Sanken || SKA2195D || RGB Encoder || - |
|} | |} | ||
+ | |||
+ | <br /> | ||
===VA2.3 PC BD MD2 VA2.3 USA=== | ===VA2.3 PC BD MD2 VA2.3 USA=== | ||
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
− | | IC1 || Motorola || MC68000FN12 || Processor || | + | | IC1 || Motorola || MC68000FN12 || Processor || - |
|- | |- | ||
− | | IC2 || Toshiba || TC511632FL-10 ||512K (32768 words X 16 bits) Pseudo-SRAM || | + | | IC2 || Toshiba || TC511632FL-10 ||512K (32768 words X 16 bits) Pseudo-SRAM || - |
|- | |- | ||
− | | IC3 || ? || ? || ? || | + | | IC3 || ? || ? || ? || - |
|- | |- | ||
− | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || | + | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || - |
|- | |- | ||
− | | IC5 || ? || XL J6265AF-10SL || || | + | | IC5 || ? || XL J6265AF-10SL || || - |
|- | |- | ||
− | | IC6 || Sega || 315-5786 (Toshiba T9N13BF) || VDP and IO chip all-in-one. Doesn't include the YM2612. Used on MD2 VA2 and VA2.3 board revisions. || | + | | IC6 || Sega || 315-5786 (Toshiba T9N13BF) || VDP and IO chip all-in-one. Doesn't include the YM2612. Used on MD2 VA2 and VA2.3 board revisions. || - |
|- | |- | ||
− | | IC7 || Toshiba || TC5281286J-80 || 1M (128K x 8-bit) VRAM || | + | | IC7 || Toshiba || TC5281286J-80 || 1M (128K x 8-bit) VRAM || - |
|- | |- | ||
− | | IC8 || Yamaha || YM2612 || frequency modulation synthesize || | + | | IC8 || Yamaha || YM2612 || frequency modulation synthesize || - |
|- | |- | ||
− | | IC9 || SEGA || 315-5684 (Rohm BA6166FS) || SOUND NETWORK / HEADPHONE AMP || | + | | IC9 || SEGA || 315-5684 (Rohm BA6166FS) || SOUND NETWORK / HEADPHONE AMP || - |
|- | |- | ||
− | | IC11 || Sony || CXA1645M || RGB Encoder | | + | | IC11 || Sony || CXA1645M || RGB Encoder || - |
|- | |- | ||
− | | IC12 || ? || 7805 || +5V voltage regulator || | + | | IC12 || ? || 7805 || +5V voltage regulator || - |
|- | |- | ||
− | | IC13 || ? || 74HC14 || HEX SCHMITT-TRIGGER INVERTER || | + | | IC13 || ? || 74HC14 || HEX SCHMITT-TRIGGER INVERTER || - |
|} | |} | ||
+ | |||
+ | <br /> | ||
===VA3 [PC BD MD2 VA3 USA HAL]=== | ===VA3 [PC BD MD2 VA3 USA HAL]=== | ||
− | [[File:PC_BD_MD2_VA3_USA_HAL.jpg| | + | [[File:PC_BD_MD2_VA3_USA_HAL.jpg|200px|center]] |
− | {| | + | {| class="mw-collapsible mw-collapsed wikitable" style="width: 600px;" style="text-align: center;" |
− | | | + | ! colspan=5 width="600"|List of IC's |
|- | |- | ||
− | + | ! IC# !! Brand !! Name !! Description !! Documentation | |
|- | |- | ||
− | | IC1 || Motorola || MC68HC000FN8 || Processor || | + | | IC1 || Motorola || MC68HC000FN8 || Processor || - |
|- | |- | ||
− | | IC2 || Hitachi(?) || 651632DFP-15 ||512K (32K X 16-bits) Pseudo-SRAM || | + | | IC2 || Hitachi(?) || 651632DFP-15 ||512K (32K X 16-bits) Pseudo-SRAM || - |
|- | |- | ||
− | | IC3 || ? || ? || ? || | + | | IC3 || ? || ? || ? || - |
|- | |- | ||
− | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || | + | | IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || - |
|- | |- | ||
− | | IC5 || ? || ? || 64K (8K x 8-bit) SRAM || | + | | IC5 || ? || ? || 64K (8K x 8-bit) SRAM || - |
|- | |- | ||
− | | IC6 || Sega || 315-5660 || VDP and IO chip all-in-one. || | + | | IC6 || Sega || 315-5660 || VDP and IO chip all-in-one. || - |
|- | |- | ||
− | | IC7 || OKI || M54C864-80 || 512K (64K x 8-bit) VRAM || | + | | IC7 || OKI || M54C864-80 || 512K (64K x 8-bit) VRAM || - |
|- | |- | ||
− | | IC8 || ? || ? || ? || | + | | IC8 || ? || ? || ? || - |
|- | |- | ||
− | | IC9 || SEGA || 315-5684 (Rohm BA6166FS) || SOUND NETWORK / HEADPHONE AMP || | + | | IC9 || SEGA || 315-5684 (Rohm BA6166FS) || SOUND NETWORK / HEADPHONE AMP || - |
|- | |- | ||
− | | IC10 || ? || ? || ? | | + | | IC10 || ? || ? || ? || - |
|- | |- | ||
− | | IC11 || Samsung || KA2195D || RGB Encoder || | + | | IC11 || Samsung || KA2195D || RGB Encoder || - |
|- | |- | ||
− | | IC12 || ? || 7805 || +5V Voltage Regulator || | + | | IC12 || ? || 7805 || +5V Voltage Regulator || - |
|} | |} | ||
+ | |||
+ | <br /> | ||
===VA4=== | ===VA4=== |
Revision as of 14:56, 25 May 2013
Sega Mega Drive Motherboard revisions
Contents
Model 1
VA1 [IC BD M5 VA1]
List of 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-SG | 64K (8,192 x 8-BIT) NMOS XRAM | - |
IC8 | SEGA | 315-5313 (Yamaha YM7101) | VDP | - |
IC9/IC10 | ? | ? | Video 256K (64K x 4) DRAM | - |
IC11 | Yamaha | YM2612 | frequency modulation synthesizer | - |
IC12 | Sony | CXA1034 | Headphone amp | - |
IC13 | ? | ? | ? | - |
IC14 | ? | ? | ? | - |
IC15 | ? | ? | ? | - |
IC16 | Sega | 315-5339 (DIP16) | I/O chip | - |
VA2 [IC BD M5 USA VA2] 837-6992
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Signetics | SCN68000C8N64 | 8MHz Processor | - |
IC2/IC3 | Toshiba | TC51832SPL-12 | CMOS 256K (32K x 8-bit) 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 | 64K (8K x 8) NMOS XRAM, 150 ns | - |
IC8 | SEGA | 315-5313 (Yamaha YM7101) | VDP | - |
IC9/IC10 | Samsung & NEC | KM424C64Z-10 & D41264V-12 | 256K (64K x 4-bit) VRAM & Dual-Port Graphics Buffer | - |
IC11 | Yamaha | YM2612 | frequency modulation synthesizer (Sound Chip) | HERE |
IC12 | Sony | A1034(CXA1034P/M) | Headphone amp | HERE |
IC13 | Sony | CXA1145 | Video encoder | HERE |
IC14 | Hitachi | HA17358 | dual operational amplifier | HERE |
IC15/IC17 | ? | 7805 | +5V Regulator | - |
IC16 | Sega | 315-5345 (DIP16) | I/O chip | - |
VA3 [IC BD M5 USA VA3] 837-7071
List of 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 | 315-5364 | I/O chip | - |
IC5 | SEGA | 315-5309 | I/O chip | - |
IC6 | Zilog | Z0840004PSC | Zilog Z80 8-bit coprocessor | - |
IC7 | NEC | D4168C-15-SG | 8,192 x 8-BIT NMOS XRAM, 150 ns | - |
IC8 | SEGA | 315-5313 | I/O chip | - |
IC9/IC10 | Fujitsu | MB81461-12 | 256K (64K x 4-bit) VRAM | - |
IC11 | |YM2612 | frequency modulation synthesizer | - | |
IC12 | Sony | CXA1034 | Headphone amp | - |
IC13 | Sony | CXA1145P | RGB Encoder | - |
IC14 | ? | LM358N | Dual Operational Amplifier | - |
VA4 [IC BD M5 PAL VA4]
List of 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 | ? | I/O chip | - |
IC5 | SEGA | ? | 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 | ? | ? | ? | - |
IC9/IC10 | ? | ? | ? | - |
IC11 | Yamaha | YM2612 | frequency modulation synthesizer | - |
IC12 | ? | ? | ? | - |
IC13 | ? | ? | ? | - |
IC14 | ? | ? | ? | - |
VA5
The only difference is the IC4 315-5402
VA6 [IC BD M5 PAL]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Hitachi | HD68HC000P8 | 8MHz Processor | - |
IC2/IC3 | Motorola | MCM51L832ASP10 | CMOS 1024 BIT SRAM | - |
IC4 | SEGA | 315-5433 | I/O chip | - |
IC5 | SEGA | 315-5313A | I/O chip | - |
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 | ? | ? | ? | - |
VA6 [IC BD M5 USA VA6]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68000P8 | 8MHz Processor | - |
IC2/IC3 | Motorola | MCM51L832ASP10 | 256Kb (32K x 8-bit) SRAM | - |
IC4 | SEGA | 315-5433 | I/O chip | - |
IC5 | SEGA | 315-5313A | I/O chip | - |
IC6 | Zilog | Z0840004PSC | Zilog Z80 8-bit coprocessor | - |
IC7 | Samsung | KM6264BL-10 | 64Kb: (8K x 8-bit) SRAM | - |
IC8 | SEGA | 315-5313 | I/O chip | - |
IC9/IC10 | Samsung & NEC | KM424C64Z-10 & D41264V-12 | 256K (64K x 4-bit) VRAM & dual-port graphics buffer | - |
IC11 | Yamaha | YM2612 | Audio | - |
IC12 | SONY | CXA1034P | Headphone Amplifier | - |
IC13 | SONY | CXA1145P | RGB Video | - |
IC14 | Hitachi | HA17358 | Dual operational amplifier | - |
IC15/17 | ? | 7805 | +5 Voltage Regulator | - |
VA6.8
VA7 [PC BD M5 USA VA7] 171-6217-11
The VA7 is almost a Genesis 2 PCB in a Genesis 1 case. It even shares the same PCB prefix (PC).
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68HC000FN8 | Processor | - |
IC2/IC3 | Hitachi | HM65256BLFP-10T | CMOS 256K (32K x 8) High Speed Pseudo-Static RAM | HERE |
IC4 | Zilog | Z0840004PSC | Zilog Z80 8-bit coprocessor | - |
IC5 | Fujitsu | MB8464A-10L | 64K (8192 words x 8 bits) Low Power 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 | Toshiba | TA7805S | +5V Voltage regulator | - |
Model 2
VA0 PAL
VA1 [PC BD MD2 VA1 USA]
List of 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 | - |
VA1 ASIA
VA1.8 [PC BD MD2 VA1.8 USA]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC2 | Hitachi / Sanyo | 651632DFP-15 / LC331632M-12 | 512K (32K x 16-bit) SRAM | - |
IC3 | ? | ? | ? | - |
IC4 | Zilog | Z84C0006FEC | Zilog Z80 8-bit coprocessor | - |
IC5 | Rohm | XLJ6265AF-10SL | 64K (8K x 8-bit) CMOS SRAM | - |
IC6 | SEGA | 315-5660 | Custom I/O chip | - |
IC7 | Samsung | KM428C64J-10 | 512K (64K x 8-bit) VRAM | - |
IC8 | ? | ? | ? | - |
IC9/IC10 | Rohm | BA10324AF | ground sense quad op-amp | - |
IC11 | Sony / Samsung | CXA1145M / KA2195D | RGB Encoder NTSC+PAL / NTSC only | HERE |
IC12 | ? | 7805 | +5V Voltage regulator | - |
VA1.8 [PC BD MD2 VA1.8 PAL]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68HC000FN8 | Processor | - |
IC2 | ? | 651632DFP-15 | 512K (32K x 16-bit) SRAM | - |
IC3 | ? | ? | ? | - |
IC4 | Zilog | Z84C0006FEC | Zilog Z80 8-bit coprocessor | - |
IC5 | Rohm | BR6265BF-10SL | 64K (8K x 8-bit) CMOS SRAM | - |
IC6 | SEGA | 315-5660 | Custom I/O chip | - |
IC7 | Hitachi | HM53861J-8 | 512K (64K x 8-bit) VRAM | - |
IC8 | ? | ? | ? | - |
IC9/IC10 | Rohm | BA10324AF | ground sense quad op-amp | - |
IC11 | Fujitsu | MB3514 | RGB Encoder | HERE |
IC12 | ? | 7805 | +5V Voltage regulator | - |
VA1.8 [PC BD MD2 VA1.8 ASIA]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68HC000FN8 | Processor | - |
IC2 | Toshiba | TC511632FL-10 | 512K (32K x 16-bit) PSRAM, 100 ns | |
IC3 | ? | ? | ? | - |
IC4 | Toshiba | 84C00AU-6 | Z80 8-bit coprocessor | - |
IC5 | ? | ? | 64K (8Kx8-bit) SRAM | - |
IC6 | Sega | 315-5660 | - | |
IC7 | Hitachi | HM53861J-8 | 512K (64K x 8-bit) VRAM | - |
IC8 | ? | ? | ? | - |
IC9/IC10 | Rohm | BA10324AF | ground sense quad op-amp | - |
IC11 | Fujitsu | MB3514 | RGB Encoder | - |
IC12 | 7805 | Voltage Regulator | - |
VA2 [PC BD MD2 VA2 USA]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68HC000FN12 | Processor | |
IC2 | Sanyo | LC331632M-12 | 512K (32768 words X 16 bits) Pseudo-SRAM | |
IC3 | Rohm | BA10358 | Dual ground sense operational amplifier | - |
IC4 | Zilog | Z84C0006FEC | Zilog Z80 8-bit coprocessor | - |
IC5 | ? | XL J6265AF-10SL | - | |
IC6 | Sega | 315-5786 (Toshiba T9N13BF) | - | |
IC7 | Samsung | KM428C64J-10 | 64K x 8 Bit CMOS Video RAM | |
IC8 | Yamaha | YM2612 | frequency modulation synthesize | - |
IC9/IC10 | - | |||
IC11 | Voltage Regulator | - | ||
IC12 | Sega | 315-5684 (Rohm BA6166FS) | SOUND NETWORK/HEADPHONE AMP | - |
IC13 | Sanken | SKA2195D | RGB Encoder | - |
VA2.3 PC BD MD2 VA2.3 USA
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68000FN12 | Processor | - |
IC2 | Toshiba | TC511632FL-10 | 512K (32768 words X 16 bits) Pseudo-SRAM | - |
IC3 | ? | ? | ? | - |
IC4 | Zilog | Z84C0006FEC | Zilog Z80 8-bit coprocessor | - |
IC5 | ? | XL J6265AF-10SL | - | |
IC6 | Sega | 315-5786 (Toshiba T9N13BF) | VDP and IO chip all-in-one. Doesn't include the YM2612. Used on MD2 VA2 and VA2.3 board revisions. | - |
IC7 | Toshiba | TC5281286J-80 | 1M (128K x 8-bit) VRAM | - |
IC8 | Yamaha | YM2612 | frequency modulation synthesize | - |
IC9 | SEGA | 315-5684 (Rohm BA6166FS) | SOUND NETWORK / HEADPHONE AMP | - |
IC11 | Sony | CXA1645M | RGB Encoder | - |
IC12 | ? | 7805 | +5V voltage regulator | - |
IC13 | ? | 74HC14 | HEX SCHMITT-TRIGGER INVERTER | - |
VA3 [PC BD MD2 VA3 USA HAL]
List of IC's | ||||
---|---|---|---|---|
IC# | Brand | Name | Description | Documentation |
IC1 | Motorola | MC68HC000FN8 | Processor | - |
IC2 | Hitachi(?) | 651632DFP-15 | 512K (32K X 16-bits) Pseudo-SRAM | - |
IC3 | ? | ? | ? | - |
IC4 | Zilog | Z84C0006FEC | Zilog Z80 8-bit coprocessor | - |
IC5 | ? | ? | 64K (8K x 8-bit) SRAM | - |
IC6 | Sega | 315-5660 | VDP and IO chip all-in-one. | - |
IC7 | OKI | M54C864-80 | 512K (64K x 8-bit) VRAM | - |
IC8 | ? | ? | ? | - |
IC9 | SEGA | 315-5684 (Rohm BA6166FS) | SOUND NETWORK / HEADPHONE AMP | - |
IC10 | ? | ? | ? | - |
IC11 | Samsung | KA2195D | RGB Encoder | - |
IC12 | ? | 7805 | +5V Voltage Regulator | - |
VA4
Model 3
VA1
VA2
Notes
Most of the time the main SEGA IC's are based on/renamed chips from other brands as follows:
- MD1 VA0, VA1, VA2, VA3, VA4, VA5, VA6, VA6.8
- Yamaha YM7101 / FC1001 = Sega 315-5313 / 315-5313A / 315-5313A-01
- MD1 VA7 & MD2 VA0, VA1, VA1.8, VA3
- Yamaha FC1004 = Sega 315-5487 / 315-5487-01 / 315-5487-10 / 315-5660 / 315-5660-02 / 315-5708 / 315-5708-01
- Sega Nomad & some MD2 VA3's
- Yamaha FF1004 = Sega 315-5700
- MD2 VA2, VA2.3
- Toshiba T9N13BF = Sega 315-5786
- Toshiba TC6158AF = ???
- MD2 VA4 & GEN3 VA1
- Yamaha FJ3002 = Sega 315-5960
- GEN3 VA2
- Yamaha FQ8007 = Sega 315-6123