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 LatencyTimer

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.

▶Current iGPU Frequency

These items show the current frequencies of iGPU. Read-only. ▶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.

Chapter 3

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Image 45
MSI H55M-E21 manual TCG/TPM Support