242 Upgrade and Maintenance Manual RX2540 M2
Expansion cards and backup units
8.1.1.1 Population rules
– Only riser modules of the same type can be used.
– Up to two riser modules can be installed.
– If only one riser module is installed it must be installed on the right side.
Figure 143: Installation locations of the riser modules
For details see section "Expansion cards in riser modules (HL)" on page 263
and section "GPGPU cards in riser modules (FL)" on page 283.
Riser module 1
Riser module 2