Updated: 7 Feb 2022 If you selected a AM29F040(B) FLASH ROM for your Harlequin 128K rev 2D*, it’s good to know the information presented on this page. With this FLASH ROM chip you can store 8 different up to 64KB images ROM images, that can be selected by the onboard DIP switch (consult the Harlequin … Continue reading Using an AM29F040(B) FLASH ROM on a Harlequin 128K rev 2D