always error in isp connection

nit bus...
VCC: 3.3 V, VCCQ: 1.8 V
Failed to initialize eMMC (return code: 17, CMD Error: Timeout) !!!
CMD55 error, cmd response: 0x7FFF, card state: 255 (Card is in unknown state)

    21 days later

    I'm having the same issues with my box for ISP connections but with chip-off and eMMC in adapter i can read the eMMC just fine. What can be wrong?

    ProOFF thanx For This Modification Details

    How To Get This red Adapter Switch Board

    IMG_20171122_143522.jpg

    very simple. Aliexpress - dip switch. Or at local sellers.

      5 days later

      I'm having the same issues with my box for ISP connections but with chip-off and eMMC in adapter i can read the eMMC just fine. What can be wrong?

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