HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

Data type Range Default value
REG_DWORD 0 | 1 - Cache size (in kilobytes) 0 (256 KB)


Specifies the size of the secondary processor cache, also known as the L2 cache. Data in this entry is used only when the Hardware Abstraction Layer (HAL) cannot detect the L2 cache.

Value Meaning
0 Sets the L2 cache size to 256 KB.
Number of kilobytes Sets the L2 cache size to the value specified.