TX150 S8 / TX200 S7
Upgrade and Maintenance Manual 247
10.1.1.4 Performance mode
Notes on Performance mode
– Always populate memory modules in multiples of 3.
– Same numbers mean identical modules (capacity, rank).
10.1.1.5 Rank Sparing mode
Single-/Dual-Rank RDIMMs
CPU CPU 1 CPU 2
Channel A B C D E F
DIMM
1A 2A 1B 2B 1C 2C 1D 2D 1E 2E 1F 2F
# DIMMs Mono CPU configuration
2
1 1
4
1 1 2 2
6
1 1 2 2 3 3
# DIMMs Dual CPU configuration
4
1 1 2 2
6
1 1 3 3 2 2
8
1 1 3 3 2 2 4 4
10
1 1 3 3 5 5 2 2 4 4
12
1 1 3 3 5 5 2 2 4 4 6 6