NEC Express5800 User Manual page 201

Creating Partition Size
When the system is Windows Server 2003 x64 Editions:
The size for the partition that the system is to be installed can be calculated from the
following formula.
Size necessary to install the system + Paging File Size + Dump File Size
Size necessary to install the system = 4100MB
Paging File Size (Recommended) = Mounted Memory Size * 1.5
Dump file Size
Application Size
IMPORTANT:
The above-mentioned paging file size is recommended for collecting
debug information (memory dump). The paging file with initial size
large enough to store the dump file in the boot drive is required.
Correct debug information might not be able to be collected due to
virtual memory shortage when the paging file is insufficient, so set
an enough size of the paging file with the entire system.
Regardless of the size of the mounted memory, or the Write
debugging information (type of memory dump), the maximum size
of the dump file is 'The size of the mounted memory + 1MB'.
If you install any application program or the like, add necessary
space to the partition to install these programs.
For example, if the mounted memory size is 512MB, the partition size will be calculated
by the above formula as follows:
4100MB + (512MB * 1.5) + (512MB + 1MB) + Application Size
= 5381MB + Application Size
Dividing into the partition of the recommended size into multiple disks as written below will solve
problem that it cannot be reserved in one disk.
1.
Set the "Size required for installation + Paging file size".
2.
See Chapter 5 and set that debugging information (equivalent to the dump file size) is to
be written to a separate disk.
(If the disk does not have enough free space to enable the dump file size to be written,
then after installing the system using the "Size required for installation + Paging file size",
install an additional new disk.)
Installing the Operating System B-3
+ Application Size
= Mounted Memory Size + 1MB
= Required Size