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OpenKSK Showcase

A faithful open source hardware reproduction of the Sony KSK-1200A CD-ROM laser board from the Sega CD Model 1, built as a clean, durable repair and replacement part.

Back
Red and blue OpenKSK KSK-1200A production boards side by side.
Production builds (red + blue)
OpenKSK KSK-1200A and CMK-81X boards in a red build.
Red build
OpenKSK KSK-1200A board in a blue build.
Blue build
OpenKSK prototype build by RGBeter with KSK-1200A and CMK5-B1X boards.
Red prototype build by RGBeter
OpenKSK prototype Sega CD build with reproduction motherboard.
Prototype build w/ repro motherboard