Many settings related to the registry,
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object is Windows 2000 Professional.
memory performance optimization:
HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ Session Manager \ Memory Management Set ClearPageFileAtShutdown = 1.
If memory ≥ 128M,
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DisablePagingExecutive key is set to 1: Run the file system is forced to remain in memory and not into virtual memory.
LargeSystemCache key is set to 1: Windows 2000 to use the system cache (with Windows 9x in Vcache), the disk input / output performance has a huge increase.
System Performance Optimization:
1. CPU secondary cache
L2: CPU secondary cache,
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cheap air force ones, Windows2000 secondary cache to detect not required to manually set.
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Session Manager \ MemoryManagement \ SecondLevelDataCache, the value (in KB) used to adjust the actual size of the CPU's secondary cache.
Note: You can use hexadecimal or decimal, fill in the size of the decimal value should be selected.
2. change disk
Windows2000 default I / O page file more conservative. For different memory and disk cache is a different good practice.
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Session Manager \ Memory Management \ IoPageLockLimit, according to its hex value to modify the memory:
64M → 1000;
128M → 4000;
256M → 10000;
512M or greater → 40000.
3. IRQ interrupt request
computer components are located in every major IRQ interrupt number. Request by modifying the priority of each IRQ optimized. Optimization of the object here is the system / CMOS real time clock, through the board to improve performance.
1) identified the need to achieve higher performance components.
2) find the component being used IRQ interrupt number. System Properties → Hardware → Device Manager → Right click → Properties → resources component of unknown origin, you can see the equipment being used by IRQ interrupt number. Record interrupt number.
3) HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ PriorityControl in the new double-byte DWORD value IRQ # Priority (# is the specific interrupt number), the value to 1.
4) restart.
optimization system proposed CMOS Real Time Clock (IRQ8), to improve the performance of entire motherboard. To undo the optimization settings, simply delete the registry key setting.
4. does not load the DLL file
browser after use will always be a part of the DLL files reside in memory for some time, some memory will be useless DLL files occupy.
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer new character values: AlwaysUnloadDLL,
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To remove this optimization, the key is set to 0 (or delete key.)
Note: The optimal effect after the restart in Windows.
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