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* Older SSD drives with less efficient flash media may not perform as well as newer drives.
* A microSD card is required for forceing the Raspbian OS to use the HDD/SSD for its "root" partition
== Raid Setup==
[About Raid]
[[File:RAID-instruction.jpg|800px]]
【RAID setup and Jumper setting】
＊'''Warning''' : Please backup your data before setup and switch, otherwise you maybe lost your data.
1. Install the HDDs.
2. Please connect the X882 to your PC or Raspberry Pi board and keep power on.
3. Switch RAID mode
* Set the switch button to your preferred RAID mode(PM/RAID 0/RAID 1/SPAN) as per the RAID illustration table.
* Press the '''SET''' button for about 5 seconds, and release it till the blue LED indicators starts flashing.
* After RAID mode changed, please confirm that the PC can recognize the disk(s) properly and shows the right capacity.
or you can run the fdisk -l command to view the hard drive on raspberry pi OS when you connect x880 to raspberry pi board:
fdisk -l
You can found two hard drives if you select 'clear raid mode'(this is PM model)
or
You found only one hard drive if you select the RAID0/RAID1 model
4. Set CLEAR RAID mode (PM, factory default setup)
* Press the SET button for about 5 seconds then and release it till blue LED indicators starts flashing.
* After above processes, the setup for CLEAR RAID is done.
==Power Supply==