... | ... | @@ -18,8 +18,8 @@ Yamaha outsourced manufacturing of the YM2612 to several fabs. There are four kn |
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![goodpkgs](uploads/9cede752e1ac26ebc12d33d1c28e9eb0/goodpkgs.png)
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### Details of the package styles
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* **A:** Entire surface is shiny. Notch on left side of chip. Two ejector pin markings in bottom-left and top-right corners. Suspected to be produced by Toshiba.
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* **B:** Matte surface. No notch on chip. One ejector pin marking, matte inside. Pin 1 marking is shiny inside. Suspected to be produced by Sharp.
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* **A:** Entire surface is shiny. Notch on left side of chip. Two ejector pin markings in bottom-left and top-right corners.
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* **B:** Matte surface. No notch on chip. One ejector pin marking, matte inside. Pin 1 marking is shiny inside.
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* **C:** Matte surface. Notch on left side of chip. Two ejector pin markings, shiny inside.
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* **D:** Matte surface. No notch on chip. Two ejector pin markings, smaller than style C, and matte. Pin 1 dimple is shiny inside. Tends to have later date codes (mid 90s).
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