Difference between revisions of "Dual Micro SD Card Adapter"

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Latest revision as of 22:47, 12 August 2020

Dual Micro Sd Card Adatper sku:441218

Dual Micro Sd Card Adatper sku:441218

Overview

Dual Micro SD card adapter; Not only for raspberry but also others

Can insert dual micro sd card;

It's convenient to use two kind of rasbpeberry pi os;

Note: Please toogle to another card via switch after your turn off your device;

IMG 1807-2.jpg

IMG 1811-W800.jpg

FAQ

Q: Why my TF card cannot be recognized? There are some errers such as 'mmc0: error -110 whilst initialising SD card'.

A:

1. Make a backup of /boot/cmdline.txt 

sudo cp /boot/cmdline.txt /boot/cmdline.txt.bak

2. Edit cmdline.txt file 

sudo nano /boot/cmdline.txt
#Find this word in the line root=PARTUUID=xxxxxxxx-xx, then replace 'root=PARTUUID=xxxxxxxx-xx' with 'root=/dev/mmcblk0p2'
#(those x'es are placeholders, actually they are letters and numbers)
# Make sure that file is a single line like it was before.

3. Adding sdhci.debug_quirks2=4 to the end of /boot/cmdline.txt. Keep it all on one line.

Or refer to: https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=274554&sid=58e823d579fa5fcbeadde87584069ab6

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