ASRock CoreHT 231B User Manual - Page 43

North Bridge Configuration

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7.4.2 North Bridge Configuration VT-d Use this to enable or disable Intel® VT-d technology (Intel® Virtualization Technology for Directed I/O). The default value of this feature is [Disabled]. Onboard VGA Share Memory This allows you to set onboard VGA share memory feature. The default value is [Auto]. Configuration options: [Auto], [32MB], [64MB], [128MB], [256MB] and [512MB]. DVMT Mode Select Use this option to adjust DVMT mode. The default value is [DVMT Mode]. DVMT (Dynamic Video Memory Technology) is an architecture that offers breakthrough performance for the motherboard through efficient memory utilization. In DVMT mode, the graphics driver allocates memory as needed for running graphics applications and is cooperatively using this memory with other system components. This item will not be used under Windows® VistaTM / 7 OS because the driver will intelligently detect physical memory available and allocate necessary video memory. DVMT Memory You are allowed to adjust the shared memory size in this item. Configuration options: [128MB], [256MB] and [Maximum]. The option [Maximum] only appears when you adopt the memory module with 1024MB or above. 43

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43
7.4.2 North Bridge Configuration
VT-d
Use this to enable or disable Intel
®
VT-d technology (Intel
®
Virtualization
Technology for Directed I/O). The default value of this feature is [Disabled].
Onboard VGA Share Memory
This allows you to set onboard VGA share memory feature. The default
value is [Auto]. Con
fi
guration options: [Auto], [32MB], [64MB], [128MB],
[256MB] and [512MB].
DVMT Mode Select
Use this option to adjust DVMT mode. The default value is [DVMT Mode].
DVMT (Dynamic Video Memory Technology) is an architecture that offers
breakthrough performance for the motherboard through ef
fi
cient memory
utilization. In DVMT mode, the graphics driver allocates memory as
needed for running graphics applications and is cooperatively using this
memory with other system components. This item will not be used under
Windows
®
Vista
TM
/ 7 OS because the driver will intelligently detect
physical memory available and allocate necessary video memory.
DVMT Memory
You are allowed to adjust the shared memory size in this item.
Configuration options: [128MB], [256MB] and [Maximum]. The option
[Maximum] only appears when you adopt the memory module with
1024MB or above.