3. MaskRom mode

See startup mode for an introduction startup mode

MaskRom pattern is the last line of defense equipment burn out. Forced entry MaskRom involved hardware operation, have certain risk, so only in the equipment into the Loader mode, can try MaskRom mode.

Please read carefully and operate carefully!

The operation steps are as follows:

  1. Disconnect the device from the power supply

  2. Hold the BOOT button on AIO-3588SJD4 or tweeze the two test points on Core-3588SJD4 (both shown below)

  3. The device is plugged into the power supply and powered on

At this point, the device enters MaskRom mode.

  • the button of AIO-3588SJD4 _images/upgrade_maskrom_test_points_key.jpg

  • two test points of Core-3588SJD4 _images/upgrade_maskrom_test_points_core.jpg

At this point, the device should go into MaskRom mode.