ASRock h81m-itx: Chapter 4 UEFI SETUP UTILITY

DRAM Conguration

DRAM SPD Information

Select DRAM Slot to view SPD data.

CAS# Latency (tCL)

e time between sending a column address to the memory and the beginning of the data

in response.

RAS# to CAS# Delay (tRCD)

e number of clock cycles required between the opening of a row of memory and

accessing columns within it.

Row Precharge Time (tRP)

e number of clock cycles required between the issuing of the precharge command

and opening the next row.

RAS# Active Time (tRAS)

e number of clock cycles required between a bank active command and issuing the

English

precharge command.

44

H81M-ITX

Command Rate (CR)

e delay between when a memory chip is selected and when the rst active command can

be issued.

Write Recovery Time (tWR)

e amount of delay that must elapse aer the completion of a valid write operation,

before an active bank can be precharged.

Refresh Cycle Time (tRFC)

e number of clocks from a Refresh command until the rst Activate command to

the same rank.

RAS to RAS Delay (tRRD)

e number of clocks between two rows activated in dierent banks of the same

rank.

Write to Read Delay (tWTR)

e number of clocks between the last valid write operation and the next read

command to the same internal bank.

Read to Precharge (tRTP)

e number of clocks that are inserted between a read command to a row pre-

charge command to the same rank.

Four Activate Window (tFAW)

e time window in which four activates are allowed the same rank.

CAS Write Latency (tCWL)

Congure CAS Write Latency.

tREFI

Congure refresh cycles at an average periodic interval.

tCKE

Congure the period of time the DDR3 initiates a minimum of one refresh

command internally once it enters Self-Refresh mode.

tRDRD

English

Congure between module read to read delay.

45

tRDRDDR

Congure between module read to read delay from dierent ranks.

tRDRDDD

Use this to change DRAM tRWSR Auto/Manual settings. e default is [Auto].

tWRRD

Congure between module write to read delay.

tWRRDDR

Congure between module write to read delay from dierent ranks.

tWRRDDD

Use this to change DRAM tRRSR Auto/Manual settings. e default is [Auto].

Congure between module write to read delay from dierent DIMMs.

tWRWR

Congure between module write to write delay.

tWRWRDR

Congure between module write to write delay from dierent ranks.

tWRWRDD

Congure between module write to write delay from dierent DIMMs.

RTL (CHA)

Congure round trip latency for channel A.

RTL (CHB)

Congure round trip latency for channel B.

IO-L (CHA)

Congure IO latency for channel A.

IO-L (CHB)

Congure IO latency for channel B.

English

ODT WR (CHA)

Congure the memory on die termination resistors' WR for channel A.

46

H81M-ITX

ODT WR (CHB)

Congure the memory on die termination resistors' WR for channel B.

ODT NOM (CHA)

Use this to change ODT (CHA) Auto/Manual settings. e default is [Auto].

ODT NOM (CHB)

Use this to change ODT (CHB) Auto/Manual settings. e default is [Auto].

Command Tri State

Enable for DRAM power saving.

MRC Fast Boot

Enable Memory Fast Boot to skip DRAM memory training for booting faster.

DIMM Exit Mode

Select Slow Exit to reduce power consumption, or Fast Exit for better performance.

FIVR Conguration

FIVR Switch Frequency Signature

Select whether to boost or lower the FIVR Switch Frequency.

FIVR Switch Frequency Oset

Congure the percentage of frequency boost or deduction.

Vcore Override Voltage

Congure the voltage added to the Vcore when the system is under heavy load.

Vcore Voltage Additional Oset

Congure the dynamic Vcore voltage added to the Vcore.

CPU Cache Override Voltage

Add voltage to the CPU Cache when the system is under heavy load.

CPU Cache Voltage Oset

Congure the voltage for the CPU Cache. Setting the voltage higher may increase

system stability when overclocking.

English

47

System Agent Voltage Oset

Congure the voltage for the System Agent. Setting the voltage higher may increase

system stability when overclocking.

CPU Analog IO Voltage Oset

CPU I/O Analog Voltage.

CPU Digital IO Voltage Oset

CPU I/O Digital Voltage.

CPU Integrated VR Faults

Disable FIVR Faults to raise the threshold to trigger CPU over current protection

and over voltage protection for better overclocking capabilities.

CPU Integrated VR Eciency Mode

Enable FIVR Eciency Management for power saving. Disable for better performance and

overclocking capabilities.

Voltage Conguration

Power Saving Mode

Enable Power Saving Mode to reduce power consumption.

DRAM Voltage

Use this to congure DRAM Voltage. e default value is [Auto].

PCH 1.05V Voltage

Chipset 1.05V Voltage. Use default settings for best performance.

PCH 1.5V Voltage

I/O 1.5V Voltage. Use default settings for best performance.

English

48

H81M-ITX

4.4 Advanced Screen

In this section, you may set the congurations for the following items:

CPU Conguration, Chipset Conguration, Storage Conguration, Intel® Smart

Connect Technology, ACPI Conguration, USB Conguration and Trusted

Computing.

Setting wrong values in this section may cause the system to malfunction.

English

49

4.4.1 CPU Conguration

Active Processor Cores

Select the number of cores to enable in each processor package.

CPU C States Support

Enable CPU C States Support for power saving. It is recommended to keep C3, C6

and C7 all enabled for better power saving.

Enhanced Halt State (C1E)

Enable Enhanced Halt State (C1E) for lower power consumption.

CPU C3 State Support

Enable C3 sleep state for lower power consumption.

CPU C6 State Support

Enable C6 deep sleep state for lower power consumption.

CPU C7 State Support

English

Enable C7 deep sleep state for lower power consumption.

Package C State Support

Enable CPU, PCIe, Memory, Graphics C State Support for power saving.

50

H81M-ITX

CPU Thermal Throttling

Enable CPU internal thermal control mechanisms to keep the CPU from overheat-

ing.

No-Execute Memory Protection

Processors with No-Execution Memory Protection Technology may prevent certain

classes of malicious buer overow attacks.

Intel Virtualization Technology

Intel Virtualization Technology allows a platform to run multiple operating systems

and applications in independent partitions, so that one computer system can

function as multiple virtual systems.

Hardware Prefetcher

Automatically prefetch data and code for the processor. Enable for better

performance.

Adjacent Cache Line Prefetch

Automatically prefetch the subsequent cache line while retrieving the currently

requested cache line. Enable for better performance.

English

51

4.4.2 Chipset Conguration

Primary Graphics Adapter

Select a primary VGA.

VT-d

Intel® Virtualization Technology for Directed I/O helps your virtual machine

monitor better utilize hardware by improving application compatibility and

reliability, and providing additional levels of manageability, security, isolation, and

I/O performance.

PCIE1 Link Speed

Select the link speed for PCIE1.

Share Memory

Congure the size of memory that is allocated to the integrated graphics processor

when the system boots up.

IGPU Multi-Monitor

Select disable to disable the integrated graphics when an external graphics card is

English

installed. Select enable to keep the integrated graphics enabled at all times.

52

H81M-ITX

Render Standby

Power down the render unit when the GPU is idle for lower power consumption.

Onboard HD Audio

Enable/disable onboard HD audio. Set to Auto to enable onboard HD audio and

automatically disable it when a sound card is installed.

Front Panel

Enable/disable front panel HD audio.

On/O Play

With ASRock On/O Play users can connect their portable audio devices, such

as an MP3 player or a mobile phone to the PC and listen to music through the

computer's speakers even when the computer is turned o.

Onboard HDMI HD Audio

Enable audio for the onboard digital outputs.

Onboard LAN

Enable or disable the onboard network interface controller.

Deep Sleep

Congure deep sleep mode for power saving when the computer is shut down.

Restore on AC/Power Loss

Select the power state aer a power failure. If [Power O] is selected, the power will

remain o when the power recovers. If [Power On] is selected, the system will start

to boot up when the power recovers.

Good Night LED

By enabling Good Night LED, the Power/HDD LEDs will be switched o when the

system is on. It will also automatically switch o the Power and Keyboard LEDs

when the system enters into Standby/Hibernation mode.

English

53

4.5 Tools

UEFI Tech Service

Contact ASRock Tech Service if you are having trouble with your PC. Please setup

network conguration before using UEFI Tech Service.

Easy Driver Installer

For users that don’t have an optical disk drive to install the drivers from our support

CD, Easy Driver Installer is a handy tool in the UEFI that installs the LAN driver

to your system via an USB storage device, then downloads and installs the other

required drivers automatically.

Instant Flash

Save UEFI les in your USB storage device and run Instant Flash to update your

UEFI.

Internet Flash

ASRock Internet Flash downloads and updates the latest UEFI rmware version

from our servers for you. Please setup network conguration before using Internet

Flash.

English

*For BIOS backup and recovery purpose, it is recommended to plug in your USB

pen drive before using this function.

60

H81M-ITX

Network Conguration

Use this to congure internet connection settings for Internet Flash.

Internet Setting

Enable or disable sound eects in the setup utility.

UEFI Download Server

Select a server to download the UEFI rmware.

Dehumidier Function

If Dehumidier Function is enabled, the computer will power on automatically to

dehumidify the system aer entering S4/S5 state.

Dehumidier Period

Congure the period of time until the computer powers on and enables

Dehumidier aer entering S4/S5 state.

Dehumidier Duration

Congure the duration of the dehumidifying process before it returns to S4/S5

state.

Dehumidier CPU Fan Setting

Congure the speed of the CPU fan while Dehumidier is enabled. e higher the

English

61

value, the faster the fan speed.

Max: 255

Min: 1

Save User Default

Type a prole name and press enter to save your settings as user default.

Load User Default

Load previously saved user defaults.

English

62

H81M-ITX

4.6 Hardware Health Event Monitoring Screen

is section allows you to monitor the status of the hardware on your system,

including the parameters of the CPU temperature, motherboard temperature, fan

speed and voltage.

CPU Fan 1 Setting

Select a fan mode for CPU Fans 1, or choose Customize to set 5 CPU temperatures

and assign a respective fan speed for each temperature.

Chassis Fan 1 Setting

Select a fan mode for Chassis Fan 1, or choose Customize to set 5 CPU temperatures

and assign a respective fan speed for each temperature.

Case Open Feature

Enable or disable Case Open Feature to detect whether the chassis cover has been

removed.

English

63

4.7 Boot Screen

is section displays the available devices on your system for you to congure the

boot settings and the boot priority.

Fast Boot

Fast Boot minimizes your computer's boot time. In fast mode you may not boot

from an USB storage device. Ultra Fast mode is only supported by Windows 8 and

the VBIOS must support UEFI GOP if you are using an external graphics card.

Please notice that Ultra Fast mode will boot so fast that the only way to enter this

UEFI Setup Utility is to Clear CMOS or run the Restart to UEFI utility in Windows.

Boot From Onboard LAN

Allow the system to be waked up by the onboard LAN.

Setup Prompt Timeout

Congure the number of seconds to wait for the setup hot key.

Bootup Num-Lock

Select whether Num Lock should be turned on or o when the system boots up.

English

Boot Beep

Select whether the Boot Beep should be turned on or o when the system boots up. Please

note that a buzzer is needed.

64

H81M-ITX

Full Screen Logo

Enable to display the boot logo or disable to show normal POST messages.

AddOn ROM Display

Enable AddOn ROM Display to see the AddOn ROM messages or congure the

AddOn ROM if you've enabled Full Screen Logo. Disable for faster boot speed.

Boot Failure Guard

If the computer fails to boot for a number of times the system automatically restores

the default settings.

Boot Failure Guard Count

Congure the number of attempts to boot until the system automatically restores

the default settings.

CSM (Compatibility Support Module)

CSM

Enable to launch the Compatibility Support Module. Please do not disable unless

you’re running a WHCK test. If you are using Windows 8 64-bit and all of your

devices support UEFI, you may also disable CSM for faster boot speed.

English

65

Launch PXE OpROM Policy

Select UEFI only to run those that support UEFI option ROM only. Select Legacy

only to run those that support legacy option ROM only. Do not launch?

Launch Storage OpROM Policy

Select UEFI only to run those that support UEFI option ROM only. Select Legacy

only to run those that support legacy option ROM only. Do not launch?

Launch Video OpROM Policy

Select UEFI only to run those that support UEFI option ROM only. Select Legacy

only to run those that support legacy option ROM only. Do not launch?

English

66

H81M-ITX

4.8 Security Screen

In this section you may set or change the supervisor/user password for the system.

You may also clear the user password.

Supervisor Password

Set or change the password for the administrator account. Only the administrator

has authority to change the settings in the UEFI Setup Utility. Leave it blank and

press enter to remove the password.

User Password

Set or change the password for the user account. Users are unable to change the

settings in the UEFI Setup Utility. Leave it blank and press enter to remove the

password.

Secure Boot

Enable to support Windows 8 Secure Boot.

English

67

4.9 Exit Screen

Save Changes and Exit

When you select this option the following message, “Save conguration changes

and exit setup?” will pop out. Select [OK] to save changes and exit the UEFI SETUP

UTILITY.

Discard Changes and Exit

When you select this option the following message, “Discard changes and exit

setup?” will pop out. Select [OK] to exit the UEFI SETUP UTILITY without saving

any changes.

Discard Changes

When you select this option the following message, “Discard changes?” will pop

out. Select [OK] to discard all changes.

Load UEFI Defaults

Load UEFI default values for all options. e F9 key can be used for this operation.

Launch EFI Shell from lesystem device

English

Copy shellx64.e to the root directory to launch EFI Shell.

68

H81M-ITX

Contact Information

If you need to contact ASRock or want to know more about ASRock, you’re welcome

to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer

for further information. For technical questions, please submit a support request

form at http://www.asrock.com/support/tsd.asp

ASRock Incorporation

2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,

Taipei City 112, Taiwan (R.O.C.)

ASRock EUROPE B.V.

Bijsterhuizen 3151

6604 LV Wijchen

e Netherlands

Phone: +31-24-345-44-33

Fax: +31-24-345-44-38

ASRock America, Inc.

13848 Magnolia Ave, Chino, CA91710

U.S.A.

Phone: +1-909-590-8308

Fax: +1-909-590-1026

English

69