27512 – My old computer,I was wondering if there is any way to upgrade this zx spectrum EPROM programmer so it can also write on 27256 (32kb) and 27512 (64kb) EPROMs. : r/AskElectronics,ZX-12R サイドスタンドスイッチ交換 | anonn,ZX-12R クラッチスイッチ交換 | anonn,Symbol_cross_switch_(functional_Symbol).svg – My old computer,