NEC Express5800/R120i-1M Installation Manual page 31

Chapter 1 Installing Windows
If the partition size for installing Windows is smaller than the recommended size, expand the
partition size or add another hard disk drive.

When installing using Rapid Setup
Tips
The Windows OS creates three partitions at the head of the hard disk drive.
— Recovery Partition
— EFI System Partition (ESP)
- Microsoft Reserved Partition (MSR)
566 MB of disk space is allotted to the three partitions at the head.
Recovery Partition
(450MB)
*1 May be 300MB in size depending on hard disk drive type.
*2 MSR is not displayed on Disk Management.

When installing using Manual Installation
Tips
When creating a partition, Windows OS creates the following partitions at
the top of hard disk drive
Recovery Partition
—
EFI System Partition (ESP)
—
- Microsoft Reserved Partition (MSR)
566MB is allocated for these three partitions out of the specified partition size.
For example, when 61,440MB is specified for partition size, the area available
free area is calculated as follows:
61,440MB - (499MB + 100MB + 16MB) ＝ 60,825MB
Recovery Partition
(450MB)
*1 May be 300MB in size depending on hard disk drive type.
*2 MSR is not displayed on Disk Management.
Installation Guide (Windows Server 2016)
3. Installing Windows Server 2016
: 450MB
: 100MB *1
: 16MB *2
Free area
System Partition
Microsoft Reserved Partition (MSR)
(16MB)
*1
EFI System Partition (ESP)
(100MB)
: 450MB
: 100MB *1
: 16MB *2
Free area
System Partition
Microsoft Reserved Partition (MSR)
(16MB)
*1
EFI System Partition (ESP)
(100MB)
*2
*2
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