86 Installing System Components
1. Requires x4- or x8-based memory modules.
Mirroring 2 GB X X 4 2 8 4
4 GB X X 8 4 16 8
8 GB X X 16 8 32 16
16 GB X X 32 16 64 32
Table 3-2. Sample UDIMM Memory Configurations (Per Processor)
Memory 
Mode
Memory 
Module 
Size
Memory 
Sockets 
Single Processor Dual Processor
4 1 2 3 Physical 
Memory 
(GB)
Available 
Memory 
(GB)
Physical 
Memory 
(GB)
Available 
Memory 
(GB)
Optimizer 1 GB
X
X
X
X
X
X
X
X
X
X
1
2
3
4 
all 2
4 
6
8
all
2 GB
X
X
X
X
X
X
X
X
X
X
2
4
6
8
all 4
8 
12
16 
all
Advanced 
ECC
1
1 GB X X 2 all 4 all
2 GB X X 4 all 8 all
Mirroring 1 GB X X 2 1 4 2
2 GB X X 4 2 8 4
Table 3-1. Sample RDIMM Single- and Dual-Rank Memory Configurations
(Per Processor) (continued)
Memory 
Mode
Memory 
Module 
Size
Memory 
Sockets 
Single Processor Dual Processor
4123Physical 
Memory 
(GB)
Available 
Memory 
(GB)
Physical 
Memory 
(GB)
Available 
Memory 
(GB)
book.book  Page 86  Wednesday, March 3, 2010  10:37 AM