Found 1 serial devices
COM8 USB\VID_1781&PID_AAAC&REV_0100&MI_00 Easy Jtag Plus Control Port (COM8)
Selected pinout: GEN2 High Speed Pinout
Change EasyJTAG Pinout OK
Compression if OFF
Z3X EasyJtag Software ver. 3.1.0.0
Loading eMMC GEN2 Firmware... IO: 2800 mV
Box S/N: 214140602693FAF6, ,FW Ver.: 02.53
Warning: CMD Pullup Level (1 mV) too low , check cables etc.!
Напряжение активной линии CMD :0 mV
Box IO Level:2800 mV
CLK Rate:42000 kHz
Bus Width:8bit,SDR
HiPower mode is off!
Can't init device, Reason: CMD Timeout Error
Сделано.