easy jtag problem help

easy jtag problem help all solder ok
but not reading emmc i9300. n7100. g355h.

EasyJtag Suite ver.: 2.0.5.0 / wxWidgets 3.1.0-W-U started.
Operating system ver.: Windows 7 (build 7601, Service Pack 1).
Successfully connected to box on COM38
Box S/N: 1xxxxxxxxxxxB, ,FW Ver.: 01.52
Box Working Mode: JTAG Box.
Box Drivers version: 3.0.0.0, are OK
Z3X Card Serial : AA89-0C92 , ver: 22
Z3X Card Activation [LG] : NOT ACTIVATED , ACTIVATE NOW
Z3X Card Activation [SAMS] : NOT ACTIVATED , ACTIVATE NOW
Z3X Card Activation [JTAG] : ACTIVATED
Z3X EasyJtag Software ver. 2.0.5.0
Loading eMMC Addon Firmware... IO: 2800 mV
Box S/N: 1xxxxxxxxxx, ,FW Ver.: 01.52
CMD Pullup Level:763 mV
CMD Active Level:1629 mV
Can't init device, Reason: CMD Timeout Error
Done.
everything ok but cannot read emmc

EasyJtag Suite ver.: 2.0.5.0 / wxWidgets 3.1.0-W-U started.
Operating system ver.: Windows 7 (build 7601, Service Pack 1).
Successfully connected to box on COM38
Box S/N: 1xxxxxxxxxxxB, ,FW Ver.: 01.52
Box Working Mode: JTAG Box.
Box Drivers version: 3.0.0.0, are OK
Z3X Card Serial : AA89-0C92 , ver: 22
Z3X Card Activation [LG] : NOT ACTIVATED , ACTIVATE NOW
Z3X Card Activation [SAMS] : NOT ACTIVATED , ACTIVATE NOW
Z3X Card Activation [JTAG] : ACTIVATED
Z3X EasyJtag Software ver. 2.0.5.0
Loading eMMC Addon Firmware... IO: 2800 mV
Box S/N: 1xxxxxxxxxxxB, ,FW Ver.: 01.52
CMD Pullup Level:763 mV
CMD Active Level:1629 mV
Can't init device, Reason: CMD Timeout Error
Done.

Z3X EasyJtag Software ver. 2.0.5.0
Loading eMMC Addon Firmware... IO: 2800 mV
Box S/N: 1xxxxxxxxxxxB, ,FW Ver.: 01.52
Warning: CMD Pullup Level (309 mV) too low , check cables etc.!
CMD Active Level:2258 mV
Can't init device, Reason: CMD Timeout Error
Done.

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easy jtag problem help