にう I was wondering if there is any way to upgrade this zx spectrumの詳細情報
I was wondering if there is any way to upgrade this zx spectrum。STMicroelectronics M27512-2F1 27512 27C512 64K x 8 UV EPROM 200NS。Eprom 27512 for sale | eBay。STMicroelectronics M27512-2F1 27512 27C512 64K x 8 UV EPROM 200NS。にう