IBM z13s - Page 87

Chapter 2. Central processor complex hardware components 59
Model N20 two drawer memory configurations
The memory in Model N20 with two drawers 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 in the drawer and up to 4056 GB customer available memory per system.
򐂰 HSA size (40 GB) is fixed and is not taken from customer purchased memory.
120 320 32 16 16 16 16 216
152
16 16 16 16
184
16 16 16 16
216
16 16 16 16
248 640
32 32 32 32 472
280
32 32 32 32
312
32 32 32 32
344
32 32 32 32
408 64
32 32 32 32
472
32 32 32 32
536 1280
64 64 64 64 984
600
64 64 64 64
728 128
64 64 64 64
856
64 64 64 64
984
64 64 64 64
1112 2560
128 128 128 128 2008
1240
128 128 128 128
1368
128 128 128 128
1496
128 128 128 128
1624
128 128 128 128
1752
128 128 128 128
1880
128 128 128 128
2008
128 128 128 128
Cust
Mem
Total
Phys
Increm
ent
Node 1
DIMM location / size GB
Node 0
DIMM location / size GB
(GB) GB GB MD06-MD10 MD11-MD15 MD16-MD20 MD21-MD25 Dial Max