IBM 88743BU - System x3950 E User Manual page 92

Table 2-5 Features of the Windows Server 2003 family
Features
Edition availability
32-bit release
x64 release
64-bit release (Itanium®)
Scalability
Maximum Processors Sockets
Number of x3950 M2 nodes
Memory: 32-bit
Memory: x64
Hyper-threading
Hot-add memory
NUMA support
Cluster Service
a. At the time of writing, Windows 2003 Datacenter Edition x64 is licensed for up to 64 sockets but can
detect a maximum of only 64 cores; Windows 2003 Datacenter Edition (32-bit) is licensed for up to
32 sockets but can detect a maximum of only 64 cores.
b. For Datacenter Edition x64, four-node support is planned for 2H2008.
c. The x3950 M2 is limited to 256 GB per node, which means 512 GB in a two-node configuration
and 1 TB in a four-node configuration.
The following documents have more details about other features available on
each edition of Windows Server 2003:
Comparison of Windows Server 2003 editions
http://technet2.microsoft.com/windowsserver/en/library/81999f39-41e9
-4388-8d7d-7430ec4cc4221033.mspx?mfr=true
Virtual memory address space limits for Windows editions
http://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx#memory_
limits
74
Planning, Installing, and Managing the IBM System x3950 M2
Standard Enterprise
Edition Edition
Yes Yes
Yes Yes
Yes Yes
4 8
One x64: Two
4 GB 64 GB
c
32 GB 2 TB
Yes Yes
No Yes
No Yes
No 1-8 nodes
Datacenter Web
Edition Edition
Yes Yes
Yes No
Yes No
32-bit: 32 2
a
x64: 64
b
x64: Two None
32-bit: One
128 GB 2 GB
c
2 TB N/A
Yes Yes
Yes No
Yes No
1-8 nodes No