MSI H55M User Guide - Page 47

DVMT Mode Select only for IGP

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MS-7636 ▶ Quick Booting Setting the item to [Enabled] allows the system to boot within 10 seconds since it will skip some check items. ▶ Boot Up Num-Lock LED This setting is to set the Num Lock status when the system is powered on. Setting to [On] will turn on the Num Lock key when the system is powered on. Setting to [Off] will allow users to use the arrow keys on the numeric keypad. ▶ IOAPIC Function This field is used to enable or disable the APIC (Advanced Programmable Interrupt Controller). Due to compliance with PC2001 design guide, the system is able to run in APIC mode. Enabling APIC mode will expand available IRQ resources for the system. ▶ MPS Table Version This field allows you to select which MPS (Multi-Processor Specification) version to be used for the operating system. You need to select the MPS version supported by your operating system. To find out which version to use, consult the vendor of your operating system. ▶ Primary Graphic's Adapter This setting specifies which graphic card is your primary graphics adapter. ▶ PCI Latency Timer This item controls how long each PCI device can hold the bus before another takes over. When set to higher values, every PCI device can conduct transactions for a longer time and thus improve the effective PCI bandwidth. For better PCI performance, you should set the item to higher values. ▶ HPET The HPET (High Precision Event Timers) is a component that is part of the chipset. You can to enable it, and will provide you with the means to get to it via the various ACPI methods. ▶ VGA Share Memory (only for IGP) The system shares memory to the IGP. This setting controls the exact memory size shared to the IGP. ▶ DVMT Mode Select (only for IGP) This item allows you to set the mode for the graphics core.. [Fixed Mode] a fixed-size fragment of the system memory is allocated to the graphics core. It can only be used by the graphics core. [DVMT Mode] the driver of the graphics core uses the system memory like any other OS component or application does. ▶ DVMT/ FIXED Memory (only for IGP) Specify the size of DVMT/ FIXED memory to allocate for video memory. ▶ TCG/TPM SUPPORT Setting the option to [Yes] enables TPM (Trusted Platform Module) for the system. 3-9

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3-9
MS-7636
Qu±ck Boot±ng
Sett±ng the ±tem to [Enabled] allows the system to boot w±th±n 10 seconds s±nce ±t w±ll
sk±p some check ±tems.
Boot Up Num-Lock LED
Th±s sett±ng ±s to set the Num Lock status when the system ±s powered on. Sett±ng to
[On] w±ll turn on the Num Lock key when the system ±s powered on. Sett±ng to [Off] w±ll
allow users to use the arrow keys on the numer±c keypad.
IOAPIC Funct±on
Th±s field ±s used to enable or d±sable the APIC (Advanced Programmable Interrupt
Controller). Due to compl±ance w±th PC2001 des±gn gu±de, the system ±s able to run ±n
APIC mode. Enabl±ng APIC mode w±ll expand ava±lable IRQ resources for the system.
MPS Table Vers±on
Th±s field allows you to select wh±ch MPS (Mult±-Processor Spec±ficat±on) vers±on to be
used for the operat±ng system. You need to select the MPS vers±on supported by your
operat±ng system. To find out wh±ch vers±on to use, consult the vendor of your operat±ng
system.
Pr±mary Graph±c’s Adapter
Th±s sett±ng spec±fies wh±ch graph±c card ±s your pr±mary graph±cs adapter.
PCI Latency T±mer
Th±s ±tem controls how long each PCI dev±ce can hold the bus before another takes
over. When set to h±gher values, every PCI dev±ce can conduct transact±ons for a longer
t±me and thus ±mprove the effect±ve PCI bandw±dth. For better PCI performance, you
should set the ±tem to h±gher values.
HPET
The HPET (H±gh Prec±s±on Event T±mers) ±s a component that ±s part of the ch±pset.
You
can to enable ±t, and w±ll prov±de you w±th the means to get to ±t v±a the var±ous ACPI
methods.
VGA Share Memory (only for IGP)
The system shares memory to the IGP. Th±s sett±ng controls the exact memory s±ze
shared to the IGP.
DVMT Mode Select (only for IGP)
Th±s ±tem allows you to set the mode for the graph±cs core..
[F±xed Mode]
a fixed-s±ze fragment of the system memory ±s allocated to the
graph±cs core. It can only be used by the graph±cs core.
[DVMT Mode]
the dr±ver of the graph±cs core uses the system memory l±ke any
other OS component or appl±cat±on does.
DVMT/ FIXED Memory (only for IGP)
Spec±fy the s±ze of DVMT/ FIXED memory to allocate for v±deo memory.
TCG/TPM SUPPORT
Sett±ng the opt±on to [Yes] enables TPM (Trusted Platform Module) for the system.
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