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FAQ - DIRECT EMMC connect in pictures!! DONT ASK MORE!
HERE SAMPLE OF CONNECTION TO PCB. ![]() ===============FAQ============================== Q - If i not have Adapter can i connect to EMMC direct on boart? A - YES. But need use 2 external power. ================================================== Q - Why i need use double voltage? A - VCC - power of NAND memory inside eMMC (can be 2.8 - 3.3V) VCCQ - power of internal emmc controller. (can be 1.8 - 2.8V) (need setup vccq in sw same with real voltage) ================================================== Q - Do i need connect anything else to phone PCB ? A - NO. NO NEED CONNECT BATTERY OR USB CABLE TO PCB. NEED ONLY 6 WIRES: GND, CLK, CMD, DAT0, VCC, VCCQ ================================================== Q - Can i repair EMMC CHIP (suddenly dead phones) A - NO. AT THIS moment you cant repair EMMC. But we work on solution for update internal emmc firmware. May be ... who know. ================================================== Q - Can i repair Suddenly dead phones. A - Yes. If something was erased in EMMC CHIP. ================================================== Q - Can i repair boot on phone with disable JTAG? A - Yes you can. (N7100,I9300 boot inside ROM2, after write ROM2 phones back to work) ================================================== Q - Can i repair dead phones I9082, i9105, S6810P with disabled JTAG, after touch ROM2. A -YES you can. Just need write ROM2 via EMMC direct connection. ================================================== Q - Where i can take EMMC DIRECT connection pinout on BOARD? A - Tested EMMC direct connect pinout we uploading to EMMC pinout under phone folder name on support. ================================================== Q - How can i find byself EMMC pinout. A - Yes you can most of emmc have same pinouts. Need desolder EMMC and find where go 5 pins. CMD,CLK, DAT0, VCC,VCCQ ================================================== Q - What phones supported by EMMC Tool. A - Supported any phones for READ/WRITE based on known EMMC. At this moment we support most of known EMMC. HERE list of EMMC based samsung: ================================================== Q - Known Error and Problems: Correct data: ------------------------------------------------------------------Wrong log: --------------------------------------------------------WHAT TO DO: My log Loading eMMC Addon Firmware... CMD Pullup Level:1691 mV --------------------------------------------CMD Pullup Level: 907 mV----------------check BAD power lines, vccq may be low or zero CMD Active Level:2289 mV--------------------------------------------CMD Active Level:1679 mV----------------check BAD power lines, vccq may be low or zero EMMC CID 15010056545530304D008456646B7F1D EMMC CSD D02701320F5903FFF6DBFFFF8E40406D EMMC Manufactorer ID: 15 EMMC OEM ID: 0100 EMMC Date: 07/2012 FW rev.0x0 HW rev.0x0 EMMC Serial #: 2220254315 EMMC NAME: VTU00M-----------------------------------------------------EMMC NAME: 000000-------------------------bad emmc, at this moment only replace EMMC Capacity: 15028 MB (High Density Card) -------------------------------------------------------------------Writing 20000000 bytes to 00000000 ...ROM1-----------1. Problem with GND (should be strong wire) -------------------------------------------------------------------eMMC ACK Error at addr:0x0-----------------------------2. BAD emmc --------------------------------------------------------------------------------------------------------------------------------3. BAD power wires ==================================================
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