Oracle X5-4 Service Manual page 24

Server Subsystems Overview
Four-CPU Configuration
In addition to four CPUs, this configuration requires eight memory riser cards. The following
illustration shows the components in a four-CPU server configuration.
Callout
1
2
3
4
5
6
The four-CPU configuration offers a greater level of resiliency with redundant QPI
interconnects that allow working CPUs to route around a disabled CPU as the system starts.
For more information, see
24 Oracle Server X5-4 Service Manual • December 2015
Description
Memory riser card P3/MR1
Memory riser card P3/MR0
Memory riser card P2/MR1
Memory riser card P2/MR0
Memory riser card P1/MR1
Memory riser card P1/MR0
"Four-CPU Block Diagram" on page
Callout Description
7 Memory riser card P0/MR1
8 Memory riser card P0/MR0
9 CPU P3
10 CPU P2
11 CPU P1
12 CPU P0
22.