Plugging Rules For Memory In The 8335-Gtb System - IBM Power System S822LC Manual

Figure 94. Replacing a memory riser in the system
What to do next
Prepare the system for operation. For instructions, see "Preparing the 8335-GTB system for operation after
you remove and replace internal parts" on page 198.

Plugging rules for memory in the 8335-GTB system

Learn the memory placement rules for the IBM Power System S822LC (8335-GTB) system.
The 8335-GTB has memory configurations of 128 GB, 256 GB, 512 GB, or 1024 GB. All eight memory
risers are installed and each must have four DIMMs. The system has a total of 32 DIMMs. All DIMMs
must be the same memory size and must not be mixed. The supported DIMM sizes are either 4 GB, 8
GB, 16 GB, or 32 GB. Mixing of memory feature codes or DIMM sizes is not allowed.
Table 1 lists the supported memory feature codes and Table 2 on page 79 shows the allowed memory
capacity points.
Table 1. Memory feature codes
Supported feature codes (FC)
EM55
EM56
EM57
EM58
78
Power Systems: Servicing the IBM Power System S822LC (8335-GTB)
Size
16 GB (4X4GB) IS RDIMMS (1.35 V) 4GBIT DDR4
DRAMS with memory riser
32 GB (4X8GB) IS RDIMMS (1.35 V) 1333MHZ 4GBIT
DDR3 DRAMS with memory riser
64 GB (4X16GB ) IS RDIMMS (1.35 V) 1333MHZ 4GBIT
DDR3 DRAMS with memory riser
128 GB (4X32GB) IS RDIMMS (1.35 V) 1066MHZ 4GBIT
DDR3 DRAMS with memory riser