User`s manual

TZ77XE4 UEFI BIOS Manual
9
Execute-Disable Bit
XD can prevent certain classes of malicious buffer overflow attacks when combined
with a supporting OS (Windows Server 2003 SP1, Windows XP SP2, SuSE Linux
9.2, Red Hat Enterpris e 3 Update 3.).
Options: Enabled (Default) / Disabled
Intel Virtualization Tech
Virtualization Tec hno lo gy can virtually separate your system resource into several
parts, thus enhance the performance when running virtual machines or multi
interface systems.
Options: Dis abled (Default) / Enabled
Hardware Prefetcher
The processor has a hardware prefetcher that automatically analyzes its requirements
and prefetc hes data and ins tructions 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 adjac ent cache line prefetch mechanis m that
automatically fetches an extra 64-byte cache line whenever the processor requests for
a 64-byte cac he line. This red uces cac he latenc y b y making the next cache line
immediately available if the processor requires it as well.
Options: Enabled (Default) / Disabled
CPU C3 Report
This item enables or disables CPU C3 (ACPI C2) repost to OS .
Options: Enabled (Default) / Disabled
CPU C6 Report
This item enables or disables CPU C3 (ACPI C3) repost to OS .
Options: Enabled (Default) / Disabled