9.7.2 Removing an expansion card from a riser module 366
9.7.3 Replacing an expansion card in the riser module 369
9.7.4 Replacing a riser card 371
9.7.5 Installing a TFM 372
9.7.6 Removing a TFM 375
9.7.7 Replacing a TFM 378
9.8 Flash backup unit (FBU) 378
9.8.1 Variants of FBUs and FBU cables 378
9.8.2 Installing an FBU 380
9.8.3 Removing an FBU 386
9.8.4 Replacing an FBU 390
10 Main memory
393
10.1 Safety notes 393
10.2 Basic information 394
10.2.1 Slots and features 394
10.2.2 General memory population conditions 396
10.2.3 Modes of operation 396
10.2.3.1 DDR4 DIMM 396
10.2.3.2 NVM/LRDIMM 399
10.2.3.3 DDR4 DIMM and NVM/LRDIMM population rules 400
10.3 Installing memory modules 401
10.4 Removing memory modules 403
10.5 Replacing memory modules 405
10.6 Handling memory dummy modules 406
11 Processor (CPU) 409
11.1 Safety notes 409
11.2 Basic information 409
Content
TX2550 M5 Upgrade and Maintenance Manual