IBM z13s Technical Manual page 85

Table 2-6 shows the standard memory plug summary by node for new build systems.
Table 2-6 Model N10 physically installed memory
Customer Total
Memory Physical
(GB) GB
64 160
72
80
88
120 320
152
184
216
248 640
280
312
344
408
472
536 1280
600
728
856
984
Model N20 single drawer memory configurations
The memory in Model N20 with a single drawer can be configured in the following manner:
Ten or twenty DIMM slots per N20 drawer supported by two or four memory controllers
with five slots each.
The remaining unpopulated DIMM banks, MD06-MD10 and MD21-MD25, must be
plugged with memory DIMM airflows.
Drawer memory configurations based on DIMM sizes of 16, 32, 64, 128 supporting up to
2008 GB customer available memory in the drawer.
HSA size (40 GB) is fixed and is not taken from customer purchased memory.
Increment Node 0
DIMM location / size GB
GB MD16-MD20
8 16
16
16
16
32 32
32
32
32
64
64
64
64
64 64
64
128
128
128 128
128
128
Chapter 2. Central processor complex hardware components
MD21-MD25 Dial Max
16 88
16
16
16
32 216
32
32
32
64 472
64
64
64
64
64
128 984
128
128
128
128
57