Intel GA-8I865GVMK-775 - Manual (Page 33)

BIOS Setup - 33 -
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CPU Hyper-Threading
Enabled Enables CPU Hyper-Threading Feature. Please note that this feature is only
working for operating system with multi processors mode supported. (Default
value)
Disabled Disables CPU Hyper-Threading.
Limit CPUID Max. to 3
Enabled Limit CPUID Maximum value to 3 when use older OS like NT4.
Disabled Disables CPUID Limit for Windows XP.(Default value)
No-Execute Memory Protect (Note)
Enabled Enable No-Execute Memory Protect function.(Default value)
Disabled Disable No-Execute Memory Protect function.
CPU Enhanced Halt (C1E) (Note)
Enabled Enable CPU Enhanced Halt (C1E) function.(Default value)
Disabled Disable CPU Enhanced Halt (C1E) function.
CPU Thermal Monitor 2 (TM2) (Note)
Enabled Enable CPU Thermal Monitor 2 (TM2) function.(Default value)
Disabled Disable CPU Thermal Monitor 2 (TM2) function.
CPU EIST Function (Note)
Enabled Enable CPU EIST function.(Default value)
Disabled Disable CPU EIST function.
On-Chip Frame Buffer Size
1MB Set on-chip frame buffer size to 1MB.
4MB Set on-chip frame buffer size to 4MB.
8MB Set on-chip frame buffer size to 8MB.
16MB Set on-chip frame buffer size to 16MB. (Default value)
32MB Set on-chip frame buffer size to 32MB.
(Note) This item will show up when you install a processor that supports this function.