Upgrade and Maintenance Manual RX2540 M4
Version history
Issue number Reason for update
1.0 / May 2017 Initial release
2.0 / July 2017 New hardware for the GA version inserted
3.0 / March 2018 Variant 2 of DC PSU added, new PCIe backplane
front and rear, upgrading up to 24x 2.5-inch
HDD/SSD modules, EP5x0i, Retimer, memory, Dual
microSD 64GB Enterprise, new chapter "Liquid
cooling (LC)"
4.0 / December 2018 new element definition, LC chapter, memory chapter,
expansion card chapter, EEE mode inserted,
changes to unify the documents, OCP description