Setting Up SD / microSD Card for vcu118 Linux Image
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Recommend using this SanDisk 32GB 32G Ultra Micro SD HC Class 10 TF Flash SDHC Memory Card - SDSQUNB-032G-GN3MN micro SD card:
Insert the SD card to a Ubuntu host machine. Run the following command to list all disks
sudo fdisk -l
Find the target SD card and note down the drive path. Here, it's /dev/sda for this 32GB SD card.
Remove all existing partitions on this card by using sudo gdisk <path_to_the_card>.
(d to delete existing sector, w to apply setting)
sudo gdisk /dev/sda
GPT fdisk (gdisk) version 1.0.8
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Command (? for help): d
Partition number (1-2): 1
Command (? for help): d
Using 2
Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING PARTITIONS!!
Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sda.
Warning: The kernel is still using the old partition table.
The new table will be used at the next reboot or after you
run partprobe(8) or kpartx(8)
The operation has completed successfully.
create new partition
we need to enable expert mode to be able to create partition strictly at sector 34
(x to enter expert mode. l to change alignment. 1 to set it to 1 sector. m to return to the main menu.)
sudo gdisk /dev/sda
GPT fdisk (gdisk) version 1.0.8
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Command (? for help): x
Expert command (? for help): l
Enter the sector alignment value (1-65536, default = 2048): 1
Expert command (? for help): m
Command (? for help): n
Partition number (1-128, default 1): 1
First sector (34-11721045134, default = 2048) or {+-}size{KMGTP}: 34
Last sector (2048-11721045134, default = 11721045134) or {+-}size{KMGTP}: 65537
Current type is 8300 (Linux filesystem)
Hex code or GUID (L to show codes, Enter = 8300): 700
Changed type of partition to 'Microsoft basic data'
Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING PARTITIONS!!
Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sda.
The operation has completed successfully.
The first section then can be used to load the Linux binary image.
Use dd to transfer the binary content directly.
sudo dd if=~/Desktop/eaglex_bringup/eaglex_bbl.bin of=/dev/sda1
32768+0 records in
32768+0 records out
16777216 bytes (17 MB, 16 MiB) copied, 3.21026 s, 5.2 MB/s
Additional Info
Here's a list of properties of Windows file system
1 is the raw Microsoft basic data sector we created above
