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→NTSC Model 2 VA1
==Motherboard==
===NTSC Model 1 VA7===
Board label: PC BD M5 USA VA7
{| border="1"
|+Model 1 VA7 IC's
|-
| IC# || Brand || Name || Description || Documentation
|-
| IC1 || Motorola || MC68HC000FN8 || Processor || <center>-</center>
|-
| IC2/IC3 || Sharp || LH5P832N-12 || ? || <center>-</center>
|-
| IC4 || Zilog || Z0840004PSC || Zilog Z80 8-bit coprocessor. 6502 instruction set. || <center>-</center>
|-
| IC5 || Sanyo || LC3564PM || ? || <center>-</center>
|-
| IC6 || SEGA || 315-5487-01 || ? || <center>-</center>
|-
| IC7/IC8 || ? || HM53461ZP-12SG || ? || <center>-</center>
|-
| IC9/IC10 || ? || BA10324AF || ? || <center>-</center>
|-
| IC11 || SONY || CXA1145M || Video || <center>-</center>
|-
| IC12 || ? || TA7805S || Voltage regulator || <center>-</center>
|}
===NTSC Model 2 VA1===
[[File:Model2_va1_motherboard.jpg|thumb|NTSC Model 2 VA1]]
Board label: PC BD MD2 VA1 USA
{| border="1"
|+Model 2 VA1 IC's
|-
| IC# || Brand || Name || Function Description || Documentation
|-
| IC1 || Motorola || MC68HC000FN8 || Processor || <center>-</center>
| IC2 || Toshiba || TC511632FL-10 || ? || <center>-</center>
|-
| IC3 ||? || ? || ? || <center>-</center>
|-
| IC4 || SEGA || 315-5678 (?) || ? || <center>-</center>
| IC7 || OKI || M54C864-80 || ? || <center>-</center>
|-
| IC8 ||? || ? || ? || <center>-</center>
|-
| IC9 /IC10 || ? || ? || ? || <center>-</center>
|-
| IC10 IC11 || ? SONY || ? CXA1145M || ? Video || <center>-</center>
|-
| IC11 IC12 || SONY ? || CXA1145M ? || Video Voltage regulator || <center>-</center>
|}
