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Rpi4B buster image install notes

0. SanDisk Ultra 16GB Class 10 HC I, buster jul10 release
1. Set Overwrite mode, logic open, Old card might shows 40+GB/60+GB, SD Formatter 4.0 during formatting process should show 14+GB.
2. approx 22 minutes, Volume informtion FAT32, 14.8GB, 32k Cluster Size
3. Win10 Format 14.8GB, FAT32, 32KB Cluster approx 22 minutes
4. Win32DiskImager1.0 generate sha256 approx 1 minute format speed ~10 to 12 MB/s
5. Win32DiskImager approx 8 minutes
6. After complete, displays two drives: boot(G:) {252mB, used 39MB), USB Drive(H) (Not accessible by Win10)

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