Acekard 2 Official 4.23 Official firmware for the Acekard Change log (4.23): Users can now control the DMA settings from within the firmware by pressing "Y" twice on a highlighted ROM. Once DMA is correctly set-up users can enable or disable it when desired. To enable DMA patching simply select a ROM and press "A" to launch the ROM. To disable DMA patching hold "A" while launching the selected ROM. Some games will require the user to hold "A" after the AP patch is applied.