G31M+ BIOS Manual
8
C1E Support
C1E is “Enhanced Halt State” function, this function helps to save power and
decrease heat by lowering CPU frequency while the processor is not working.
Options: Enabled (Default) / Disabled
Hardware Prefetcher
The processor has a hardware prefetcher that automatically analyzes its requirements
and prefetches data and instructions from the memory into the Level 2 cache that are
likely to be required in the near future. This reduces the latency associated with
memory reads.
Options: Enabled (Default) / Disabled
Adjacent Cache Line Prefetch
The processor has a hardware adjacent cache line prefetch mechanism that
automatically fetches an extra 64-byte cache line whenever the processor requests for
a 64-byte cache line. This reduces cache latency by making the next cache line
immediately available ifthe processor requires it as well.
Options: Enabled (Default) / Disabled
Max CPUID Value Limit
When the computer is booted up, the operating system executes the CPUID
instruction to identify the processor and its capabilities. Before it can do so, it must
first query the processor to find out the highest input value CPUID recognizes. This
determines thekind ofbasic information CPUID can provide the operating system.
Options: Disabled (Default) / Enabled
Execute-Disable Bit Capability
Thisitem allows you to configure the Execute Disabled Bit function, which protects
yoursystem from buffer overflow attacks.
Options: Enabled (Default) / Disabled
PECI
This item allows you to control the PECI function for the processor which supports
Platform Environment Control Interface for better thermal management.
Options: Disabled (Default) / Enabled