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Asus Z97-A 2.8.4Bootup NumLock State [Enabled], 2.8.5Wait For ‘F1’ If Error [Enabled], 2.8.6Option ROM Messages [Enabled], 2.8.7Interrupt 19 Capture [Disabled]

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The following items appear only when you set the Boot Logo Display to [Disabled].

Post Report [5 sec]

This item allows you to select a desired POST report waiting time.

Configuration options: [1 sec] - [10 sec] [Until Press ESC]

2.8.4Bootup NumLock State [Enabled]

This item allows you to enable or disable power-on state of the NumLock.

Configuration options: [Disabled] [Enabled]

2.8.5Wait For ‘F1’ If Error [Enabled]

This item allows your system to wait for the <F1> key to be pressed when error occurs.

Configuration options: [Disabled] [Enabled]

2.8.6Option ROM Messages [Enabled]

[Enabled]	The third-party ROM messages will be displayed during POST.
[Disabled]	Disables the ROM messages and displays only the ASUS logo during
	POST.

2.8.7Interrupt 19 Capture [Disabled]

This item allows you to trap Interrupt 19 by the option ROMs.

Configuration options: [Disabled] [Enabled]

2.8.8Above 4G Decoding [Disabled]

This item allows you to decode the 64-bit capable devices above 4G address space. Ensure that your system supports 64-bit PCI decoding.

Configuration options: [Disabled] [Enabled]

2.8.9Setup Mode [EZ Mode]

[Advanced Mode]	This item allows you to go to Advanced Mode of the BIOS after POST.
[EZ Mode]	This item allows you to go to EZ Mode of the BIOS after POST.

2.8.10CSM (Compatibility Support Module)

This item allows you to configure the CSM (Compatibility Support Module) items to fully support the various VGA, bootable devices and add-on devices for better compatibility.

Launch CSM [Enabled]

[Auto]	The system automatically detects the bootable devices and the add-on
	devices.
[Enabled]	For better compatibility, enable the CSM to fully support the non-UEFI
	driver add-on devices or the Windows® UEFI mode.
[Disabled]	Disables the CSM to fully support the non-UEFI driver add-on devices or
	the Windows® UEFI mode.

ASUS Z97-A	2-51

Contents

Page Page Contents Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide Typography Package contents Z97-Aspecifications summary Page Page Page Page 1.2.1Placement direction 1.2.2Screw holes 1.2.3Motherboard layout 1.2.4Layout contents 1.3Central Processing Unit (CPU) 1.3.1Installing the CPU 1.3.2CPU heatsink and fan assembly installation 1.4.1Overview 1.4.2Memory configurations Page Page Page Page Page Page Page Page Page Page 1.4.3DIMM installation 1.5.1Installing an expansion card 1.5.2Configuring an expansion card 1.5.3PCI slots 1.5.4PCI Express 2.0 x1 slots 1.5.5PCI Express 3.0 / 2.0 x16 slots Page 1.6Jumpers Page 1.7.1Rear panel connectors Page 1.7.2Internal connectors Page Page Page Page Page Page Page Page 1.8Onboard LEDs Page 1.9Onboard buttons and switches Page Page Page 1.10.1Installing an operating system 1.10.2Support DVD information 2.1Managing and updating your BIOS 2.1.1EZ Update 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility 2.1.4ASUS BIOS Updater Please select boot device: Page BIOS menu screen 2.2.1EZ Mode 2.2.2Advanced Mode Page Page 2.2.3QFan Control 2.2.4EZ Tuning Wizard Page 2.3My Favorites 2.4.1Security Page 2.5.1Ai Overclock Tuner [Auto] 2.5.2ASUS MultiCore Enhancement [Auto] 2.5.3CPU Core Ratio [Sync All Cores] 2.5.4Min. CPU Cache Ratio [Auto] 2.5.5Max. CPU Cache Ratio [Auto] 2.5.6Internal PLL Overvoltage [Auto] 2.5.7CPU Ratio Tuner [Auto] 2.5.8BCLK Frequency: DRAM Frequency Ratio [Auto] 2.5.9DRAM Frequency [Auto] 2.5.10Max. CPU Graphics Ratio [Auto] 2.5.11OC Tuner [Keep Current Settings] 2.5.12EPU Power Saving Mode [Disabled] 2.5.13DRAM Timing Control Page Page Page 2.5.14DIGI+ VRM Page 2.5.15Internal CPU Power Management Page 2.5.16Extreme Over-voltage 2.5.17CPU Core Voltage 2.5.18CPU Cache Voltage [Auto] 2.5.19CPU System Agent Voltage Offset Mode Sign [+] 2.5.20CPU Analog I/O Voltage Offset Mode Sign [+] 2.5.21CPU Digital I/O Voltage Offset Mode Sign [+] 2.5.22SVID Support [Auto] 2.5.23CPU Input Voltage [Auto] 2.5.24DRAM Voltage [Auto] 2.5.25PCH Core Voltage [Auto] 2.5.26PCH VLX Voltage [Auto] 2.5.27VTTDDR Voltage [Auto] 2.5.28DRAM CTRL REF Voltage [Auto] 2.5.29DRAM DATA REF Voltage on CHA/CHB [Auto] 2.5.31Clock Crossing Reset Voltage [Auto] 2.5.32Clock Crossing Voltage [Auto] 2.5.33CPU Spread Spectrum [Auto] 2.6.1CPU Configuration Page 2.6.2PCH Configuration 2.6.3PCH Storage Configuration 2.6.4System Agent Configuration 2.6.5USB Configuration 2.6.6Platform Misc Configuration 2.6.7Onboard Devices Configuration 2.6.8APM Configuration 2.6.9Network Stack Configuration 2.6.10Intel(R) Rapid Storage Technology 2.7.1Qfan Tuning 2.7.4CPU Core 0/3 Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage 2.7.5CPU Q-FanControl [Auto] 2.7.6Chassis Fan 1/4 Q-FanControl 1/4 [Enabled] Page 2.8.1Fast Boot [Enabled] 2.8.2DirectKey (DRCT) [Enabled] 2.8.3Boot Logo Display [Auto] 2.8.4Bootup NumLock State [Enabled] 2.8.5Wait For ‘F1’ If Error [Enabled] 2.8.6Option ROM Messages [Enabled] 2.8.7Interrupt 19 Capture [Disabled] 2.8.8Above 4G Decoding [Disabled] 2.8.11Secure Boot Page 2.8.12Boot Option Priorities 2.8.13Boot Override 2.9.1Setup Animator 2.9.2ASUS EZ Flash 2 Utility 2.9.3ASUS O.C. Profile 2.9.4ASUS DRAM SPD Information Federal Communications Commission Statement IC: Canadian Compliance Statement Canadian Department of Communications Statement VCCI: Japan Compliance Statement VCCI Class B Statement KC: Korea Warning Statement REACH Google™ License Terms ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria)