[layder]

Originally Posted by newbeez1

Setting frequence to 14 Mhz
CMD Pullup Level: 2980 mV
CMD Active Level: 3279 mV
EMMC Device Information :
EMMC CID: 45010053454D30384790098B2D00B0BA
EMMC CSD: D00F00320F5903FFFFFFFFFF92404010
EMMC Manufacture Name: SANDISK , EMMC NAME: SEM08G , EMMC NAME (HEX): 53454D303847 , S/N: 098B2D00 , rev. 0x90
EMMC ROM 1 (Main User Data) Capacity: 7456 MB (0001D2000000)
EMMC ROM 2/3 (Boot Partition 1/2) Capacity: 2048 KB (000000200000)
EMMC RPMB (Replay Protected Memory Block) Capacity: 128 KB (000000020000)
Extended CSD Information :
Extended CSD rev: 1.5 (MMC 4.41)
Supported partition features [PARTITIONING_SUPPORT]: 0x03
Backup saved: SEM08G_098B2D00_20180907_113043.extcsd
EMMC Init completed.

Operation: Write Dump

The size has been corrected for the file size

Writing to: ROM1 , start: 0x000000000000 , size: 0x000020000000
Input file
Writing partition...
Error writing at address: 000000000000 , error: -8, DATA SND CRC Error ... Retry #1
Error writing at address: 000000000000 , error: -8, DATA SND CRC Error ... Retry #2
Error writing at address: 000000000000 , error: -8, DATA SND CRC Error ... Retry #3
Too many errors. Writing has been stopped
what about this
i tried many emmc's

Check connection, voltage.
You connect eMMC at socket or ISP?