i have same issue
actually i don't know the right process
here i tell you what i am doing
1. soldered the eMMC
2. open the eMMC TOOL section in software z3x-jtag
3. clicked on Dtect emmc Card
4. wright eMMC Card
5. selected the file EMMC_ROM2_00000000_00200000.bin which i downloaded fron shell
6. got the following error
EasyJtag Suite ver.: 1.0.88.0 started.
Operating system ver.: Windows 7 (build 7600).
Successefuly connected to box on COM74
Box S/N: 1616050E687C8750, ,FW Ver.: 01.47
Box Working Mode: JTAG Box.
Box Drivers version: 3.0.0.0, are OK
Successefuly connected to box on COM74
Box S/N: 1616050E687C8750, ,FW Ver.: 01.47
Loading eMMC Addon Firmware...
CMD Pullup Level:2134 mV
CMD Active Level:2433 mV
EMMC CID 15010056545530304D0039B9073D7F8B
EMMC CSD D02701320F5903FFF6DBFFFF8E40406D
EMMC Manufactorer ID: 15
EMMC OEM ID: 0100
EMMC Date: 07/2012 FW rev.0x0 HW rev.0x0
EMMC Serial #: 968427325
EMMC NAME: VTU00M
EMMC Capacity: 15028 MB (High Density Card)
=============================================
Extended CSD rev 1.6 (MMC 4.5)
=============================================
Card Supported Command sets [S_CMD_SET: 0x01]
HPI Features [HPI_FEATURE: 0x01]:
implementation based on CMD13
Background operations support [BKOPS_SUPPORT: 0x01]
Max Packet Read Cmd [MAX_PACKED_READS: 0x3f]
Max Packet Write Cmd [MAX_PACKED_WRITES: 0x3f]
Data TAG support [DATA_TAG_SUPPORT: 0x01]
Data TAG Unit Size [TAG_UNIT_SIZE: 0x04]
Tag Resources Size [TAG_RES_SIZE: 0x00]
Context Management Capabilities [CONTEXT_CAPABILITIES: 0x05]
Large Unit Size [LARGE_UNIT_SIZE_M1: 0x07]
Extended partition attribute support [EXT_SUPPORT: 0x03]
Generic CMD6 Timer [GENERIC_CMD6_TIME: 0x0a]
Power off notification [POWER_OFF_LONG_TIME: 0x3c]
Cache Size [CACHE_SIZE] is 65536 KiB
Background operations status [BKOPS_STATUS: 0x00]
TRIM Multiplier [TRIM_MULT: 0x02]
Secure Feature support [SEC_FEATURE_SUPPORT: 0x55]
Boot Information [BOOT_INFO: 0x07]
Device supports alternative boot method
Device supports dual data rate during boot
Device supports high speed timing during boot
Boot partition size [BOOT_SIZE_MULTI: 0x10]
Access size [ACC_SIZE: 0x07]
High-capacity erase unit size [HC_ERASE_GRP_SIZE: 0x01]
High-capacity erase timeout [ERASE_TIMEOUT_MULT: 0x01]
Reliable write sector count [REL_WR_SEC_C: 0x01]
High-capacity W protect group size [HC_WP_GRP_SIZE: 0x50]
Sleep current (VCC) [S_C_VCC: 0x07]
Sleep current (VCCQ) [S_C_VCCQ: 0x07]
Sleep/awake timeout [S_A_TIMEOUT: 0x11]
Sector Count [SEC_COUNT: 0x01d5a000]
Partition switching timing [PARTITION_SWITCH_TIME: 0x01]
Out-of-interrupt busy timing [OUT_OF_INTERRUPT_TIME: 0x02]
I/O Driver Strength [DRIVER_STRENGTH: 0x00]
Card Type [CARD_TYPE: 0x07]
CSD structure version [CSD_STRUCTURE: 0x02]
Command set [CMD_SET: 0x00]
Command set revision [CMD_SET_REV: 0x00]
Power class [POWER_CLASS: 0x00]
High-speed interface timing [HS_TIMING: 0x00]
Erased memory content [ERASED_MEM_CONT: 0x00]
Boot configuration bytes [PARTITION_CONFIG: 0x48]
No access to boot partition
Boot config protection [BOOT_CONFIG_PROT: 0x00]
Boot bus Conditions [BOOT_BUS_CONDITIONS: 0x01]
High-density erase group definition [ERASE_GROUP_DEF: 0x00]
=============================================
Boot write protection status registers [BOOT_WP_STATUS]: 0x00
Boot Area Write protection [BOOT_WP]: 0x00
Power ReadOnly locking: possible
Permanent ReadOnly locking: possible
Read Only lock status: not locked
=============================================
User area write protection register [USER_WP]: 0x00
FW configuration [FW_CONFIG]: 0x00
RPMB Size [RPMB_SIZE_MULT]: 0x01
Write reliability setting register [WR_REL_SET]: 0x1f
Write reliability parameter register [WR_REL_PARAM]: 0x05
Enable background operations handshake [BKOPS_EN]: 0x00
H/W reset function [RST_N_FUNCTION]: 0x00
HPI management [HPI_MGMT]: 0x00
Partitioning Support [PARTITIONING_SUPPORT]: 0x07
Device support partitioning feature
Device can have enhanced tech.
Max Enhanced Area Size [MAX_ENH_SIZE_MULT]: 0x0000bb
Partitions attribute [PARTITIONS_ATTRIBUTE]: 0x00
Partitioning Setting [PARTITION_SETTING_COMPLETED]: 0x00
General Purpose Partition Size
[GP_SIZE_MULT_4]: 0x000000
[GP_SIZE_MULT_3]: 0x000000
[GP_SIZE_MULT_2]: 0x000000
[GP_SIZE_MULT_1]: 0x000000
Enhanced User Data Area Size [ENH_SIZE_MULT]: 0x000000
Enhanced User Data Start Address [ENH_START_ADDR]: 0x000000
Bad Block Management mode [SEC_BAD_BLK_MGMNT]: 0x00
Periodic Wake-up [PERIODIC_WAKEUP]: 0x00
Program CID/CSD in DDR mode support [PROGRAM_CID_CSD_DDR_SUPPORT]: 0x01
Native sector size [NATIVE_SECTOR_SIZE]: 0x00
Sector size emulation [USE_NATIVE_SECTOR]: 0x00
Sector size [DATA_SECTOR_SIZE]: 0x00
1st initialization after disabling sector size emulation [INI_TIMEOUT_EMU]: 0x00
Class 6 commands control [CLASS_6_CTRL]: 0x00
Number of addressed group to be Released[DYNCAP_NEEDED]: 0x00
Exception events control [EXCEPTION_EVENTS_CTRL]: 0x0000
Exception events status[EXCEPTION_EVENTS_STATUS]: 0x0000
Extended Partitions Attribute [EXT_PARTITIONS_ATTRIBUTE]: 0x0000
Packed command status [PACKED_COMMAND_STATUS]: 0x00
Packed command failure index [PACKED_FAILURE_INDEX]: 0x00
Power Off Notification [POWER_OFF_NOTIFICATION]: 0x00
Control to turn the Cache ON/OFF [CACHE_CTRL]: 0x00
Writing file...E:\Mobile Software\Z3X\jtag\dump\EMMC_ROM2_2Mb_BOOT\EMMC_ROM 2_00000000_00200000.bin
Successefuly connected to box on COM74
Box S/N: 1616050E687C8750, ,FW Ver.: 01.47
Loading eMMC Addon Firmware...
CMD Pullup Level:2794 mV
CMD Active Level:2794 mV
EMMC CID 15010056545530304D0039B9073D7F8B
EMMC CSD D02701320F5903FFF6DBFFFF8E40406D
EMMC Manufactorer ID: 15
EMMC OEM ID: 0100
EMMC Date: 07/2012 FW rev.0x0 HW rev.0x0
EMMC Serial #: 968427325
EMMC NAME: VTU00M
EMMC Capacity: 15028 MB (High Density Card)
Writing 000000200000 bytes to 00000000 ...ROM1
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
eMMC ACK Error !!!
Writing file...E:\Mobile Software\Z3X\jtag\dump\EMMC_ROM1_512Mb_USER\EMMC_R OM1_00000000_20000000.bin
Successefuly connected to box on COM74
Box S/N: 1616050E687C8750, ,FW Ver.: 01.47
Loading eMMC Addon Firmware...
CMD Pullup Level:2155 mV
CMD Active Level:2464 mV
EMMC CID 15010056545530304D0039B9073D7F8B
EMMC CSD D02701320F5903FFF6DBFFFF8E40406D
EMMC Manufactorer ID: 15
EMMC OEM ID: 0100
EMMC Date: 07/2012 FW rev.0x0 HW rev.0x0
EMMC Serial #: 968427325
EMMC NAME: VTU00M
EMMC Capacity: 15028 MB (High Density Card)
Writing 000020000000 bytes to 00000000 ...ROM1
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
Retry writing adress 0x00000000
eMMC ACK Error !!!
