* PAL16L8ACN [https://www.cpcwiki.eu/imgs/4/4e/CPC6128_PCB_Top_%28Z70290_MC0020G%29.jpg Source]
They both wear the same Amstrad part number 40031.On the Amstrad chassis schematic diagram, this part is numbered 40030. [https://www.cpcwiki.eu/imgs/4/4a/CPC6128_Schematic.png Source]
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