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:

Disconnect the device from the power supply

Hold the MaskRom button on AIO-3588MQ  or tweeze the two test points
on iCore-3588MQ (both shown below)

The device is plugged into the power supply and powered on

At this point, the device enters MaskRom mode.

the button of  AIO-3588MQ

two test points of iCore-3588MQ

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