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→VA2.3
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===VA2.3PC BD MD2 VA2.3 USA=== {| border="1"|+NTSC Model 2 VA2.2 IC's|-| IC# || Brand || Name || Description || Documentation|-| IC1 || Motorola || MC68000FN12 || Processor || <center>-</center>|-| IC2 || Toshiba || TC511632FL-10 ||512K (32768 words X 16 bits) Pseudo-SRAM |||-| IC3 || ? || ? || ? || <center>-</center>|-| IC4 || Zilog || Z84C0006FEC || Zilog Z80 8-bit coprocessor || <center>-</center>|-| IC5 || ? || XL J6265AF-10SL || || <center>-</center>|-| 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. || <center>-</center>|-| IC7 || Toshiba || TC5281286J-80 || 1M (128K x 8-bit) VRAM || <center>-</center>|-| IC8 || Yamaha || YM2612 || frequency modulation synthesize || <center>-</center>|-| IC9 || SEGA || 315-5684 (Rohm BA6166FS) || SOUND NETWORK / HEADPHONE AMP || <center>-</center>|-| IC11 || Sony || CXA1645M || RGB Encoder || style="text-align: center;"| -|-| IC12 || ? || 7805 || +5V voltage regulator || <center>-</center>|-| IC13 || ? || 74HC14 || HEX SCHMITT-TRIGGER INVERTER || <center>-</center>|}
===VA3===
===VA4===
