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The SG-4860/8860 1U have built-in onboard eMMC storage. Optionally, a mSATA drive could be installed as an upgrade or to bypass the onboard eMMC flash memory.
Backup your configuration file, if possible.
Unplug the system for at least 60 seconds to ensure all phantom power has dissipated.
Anti-static protection must be used throughout this procedure.
Any hardware damage incurred during this procedure is not covered by the hardware warranty.
By default, the mSATA drive will be the first drive recognized by pfSense® software. pfSense must be reinstalled on the mSATA drive.
The mSATA slot is located on the top of the SG-4860/8860 1U system board. The mSATA slot is directly behind the Ethernet ports. There are two other similar ports on the top of the board, but they are mPCIe ports. The mSATA drives are not electically compatible with mPCIe connectors.
Remove the seven (7) lid screws and remove the lid.
Some systems may only have six (6) lid screws.
Unplug the Power Supply Connector from the system board, being careful not to flex the board.
Be sure to pull from the connector, not the wires.
Unplug the red soft-power button from the system board.
When replacing this connector, it plugs onto pins 3 & 4.
Remove the screws from the mSATA standoff.
Insert the gold leads of the mSATA drive into the slot at the angle shown.
Be sure the drive label is facing up and can be seen. The drive slot is keyed and the drive can only go in one way. Do not force the drive into the slot.
Push the mSATA drive down until it is parallel with the system board and replace the screws to secure the mSATA drive in place.
Replace the red soft-power button on pins 3 & 4.
Replace the ATX power supply connector.
Replace the lid and lid screws. Be sure the L-Bracket is not pinched by the lid.
Reinstall the pfSense software on the new mSATA drive.
Restore your configuration backup if you have one.