Datacron Coordinates X -973 Y 201
Travel to Volcano Camp and head towards the south western coastline. The Datacron will be located just behind some raised rocks out of the sand.
Presence Datacron +2
X -973 Y 201
Datacron Coordinates X -661 Y -574
Goto Savrip Islands, the closest speeder location is Volcano Camp. Travel North West to the separated island. The Datacron is sitting atop a hill, it will require a bit of jumping to get to. The easiest way up the hill is from the West, it's not terribly difficult and doesn't require any added speed to get up.
Mastery Datacron +2
X -661 Y -574
Datacron Coordinates X 784 Y 130
Travel to Falks Reach and head South East to Mannett Point. Follow the Northern coastline of Mannett Point. The Red Matrix Shard is sitting in a slight dip in the ground in the remains of a crate. Located just before the furthest outcrop of the island.
Red Matrix Shard
X 784 Y 130