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HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
Data type |
Range |
Default value |
|---|---|---|
REG_DWORD |
0x0 | 0x1–0xFFFFFFFF bytes |
0 |
Description
Specifies the maximum number of bytes that can be locked for I/O operations.
Value |
Meaning |
|---|---|
0x0 |
The system sets the lock limit to 512 KB. |
0x1–0xFFFFFFFF bytes |
The value entered takes precedence over the system default and is used as the I/O lock limit. |
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Note
The amount of physical memory on the computer determines the maximum lock limit. Do not set the lock limit above the following values:
Amount of physical memory |
Maximum lock limit |
|---|---|
Less than 64 MB |
Physical memory minus 7 MB |
64 MB–500 MB |
Physical memory minus 16 MB |
512 MB and greater |
Physical memory minus 64 MB |