For anyone curious here is both variants of PS2 backwards compatible motherboards. Top is full BC, bottom is hybrid BC : r/PS3
Motherboard Revisions - PS3 Developer wiki
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PlayStation 3 Slimのマザーボードの交換 - iFixit リペアガイド
Mainboard for ps3 motherboard dyn 001 cech 20xx 120gb 250gb|mainboard hp|mainboardmainboard dm800 - AliExpress
Lqjp Drive Motherboard For Ps3 Dvd Drive Mainboard Motherboard (bmd-001) For Ps3 - Buy Drive Motherboard For Ps3,For Ps3 Motherboard,For Ps3 Drive Motherboard Product on Alibaba.com
For ps3 slim Motherboard mainboard KTE 001|mainboard motherboard|mainboard dm800mainboard cpu - AliExpress
Motherboard für PS3(Fat Lady) defekt in Sachsen - Zwickau | Mainboards ( Motherboards) kaufen | eBay Kleinanzeigen
PS3 Playstation 3 Hauptplatine Mainboard Motherboard - Cech C - DEFEKT : Amazon.de: Games
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Sony Playstation PS3 Model CECHh-01 Motherboard MOBO DIA-001 .. ERROR RED LIGHT | eBay
PlayStation 3 Motherboard ersetzen - iFixit Reparaturanleitung
Sony Playstation 3 PS3 Motherboard SEM-001 with BMD-001/002 Logic Board CECHG01 711719994152 | eBay
動作未確認 ps3 motherboard COK-001 in serial 1-871-868-22 マザーボード SONY PS3-12(アクセサリ、周辺機器)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com)