26 Operating Manual RX900 S2
Functional overview
● Baseboard
– 4x PCIe Gen2 slots with x8 bandwidth and PHP capability
– 4x PCIe Gen2 slots with x8 bandwidth without PHP capability
– 1x PCIe Gen2 slot with x4 bandwidth without PHP capability
– 1x PCIe Gen2 slot with x8 bandwidth exclusively for the Modular RAID
controller.
I Before adding an expansion card, check carefully whether this PCIe slot
is supported with the CPUMEMR configuration of the individual server.
Figure 1: Assignment of CPUMEMRs to PCIe slots
CPU
#8
CPUMEMR
#8
CPU
#7
CPUMEMR
#7
IOH#4
CPUMEMR
#1
CPU
#1
CPU
#2
CPUMEMR
#2
IOH#1
CPU
#4
CPUMEMR
#4
CPU
#3
CPUMEMR
#3
IOH#2
CPU
#6
CPUMEMR
#6
CPU
#5
CPUMEMR
#5
IOH#3
PCIe
#17
PCIe
#7
PCIe
#8
PCIe
#9
PCIe
#10
PCIe
#11
PCIe
#12
PCIe
#13
PCIe
#14
PCIe
#15
PCIe
#16
PCIe
#2
PCIe
#1
PCIe
#5
PCIe
#6
PCIe
#4
PCIe
#3
Modular
RAID
Hot-plug PCI
PCIR
x8
x8x8 x8
x8
x8 x8x4
x8
x8
x8 x8 x8 x8 x8 x8 x4