CONFIGURATION GUIDE
–
NEC Express5800/A2040b, A2020b, A2010b, A1040b
NEC Corporation
Revision 7.0
– December 2014
51
References
■
CPU
CPU: BTO Configuration Rule
CPUs are to be installed in the priority order of CPU1 => CPU2 => CPU3 => CPU4.
■
Memory
1. Memory Riser Card: Priority/Order of Installation
1-1.
A2040b
1 or 2 Memory Riser Cards are able to be installed per CPU. In case of 4CPU configuration, up to 8 Memory
Riser cards are able to be installed
The priority/order of instalaltion depends on the models:
(1) Standard Model
Depending on the number of the installed CPU and the ordered Memory Riser Card, Memory Riser Cards will
be installed in the following priority/order.
(Need to install at least one Memory Riser Card.)
# of CPU
Memory Riser Card Slot
#1
#2
#3
#4
#5
#6
#7
#8
2
1
3
2
4
-
-
-
-
3
1
4
2
5
3
6
-
-
4
1
5
2
6
3
7
4
8
(2) COPT Supported Model: Standard BTO Configuration (Centralized Mode)
Depending on the number of the installed CPU and the ordered Memory Riser Card, Memory Riser Cards will
be installed in the following priority/order. This priory/order corresponds to the case using
“Centralize” for
Core Optimization Mode.
(Need to install at least one Memory Riser Card.)
# of CPU
Memory Riser Card Slot
#1
#2
#3
#4
#5
#6
#7
#8
2
1
2
3
4
-
-
-
-
3
1
2
3
4
5
6
-
-
4
1
2
3
4
5
6
7
8