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According to AMD's data sheet on the AM29F040, the electronic signature (device ID) that the AM29F040 returns is 01A4 (01A4 = AMD 29F040). The IC on the left instead returns C2A4 (C2A4 = Micronix 29F040). Relabelled to a make (AMD) that can command more money ? |
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The problem here is that "V20" is inconsistent with "D70116". V20 = D70108 V30 = D70116 This is a mistake that one would not expect NEC to make. |