
FX-3420 User Manual
23
To reduce the risk of personal injury, electric shock, or damage to the system, please remove all power
connections to shut down the device completely. Also, please wear ESD protection gloves when conducting
the steps in this chapter.
1.
Loosen the 2 thumb screws from the rear panel of FX-3420.
2.
Gently pull the cover backward a bit, and lift the cover up to remove it.
3.
Remove the cover that encloses the CPUs and the fans.
The motherboard supports 24 memory slots for DDR4 registered DIMM.
Total Slots
24 (12 slots per processor)
Number of Channels
1 channel for 2 sockets
Supported DIMM Capacity
4GB, 8GB, 16GB, 32GB
Memory Size
Maximum 768 GB RDIMM (32GB*24)
Memory Type
DDR4-2133/2400/2666 MHz R-DIMM support
Minimum DIMM Installed
Each processor requires at least 6 memory modules to boot and run from.
JCPU0
JCPU1