Asus Z87-A manual

Motherboard Z87-A[...]

ii E7828 First Edition May 2013 Copyright © 2013 ASUST eK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser [...]

iii Contents Safety information ...................................................................................................... iv About this guide ......................................................................................................... iv Z87-A specications summary ........................................................[...]

iv Safety information Electrical safety   before relocating the system. When add[...]

v Where to nd more information Refer to the following sources for additional information and for product and software updates. 1. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. 2. Optional documentation  [...]

vi Z87-A specications summary (continues on the next page) CPU LGA1 150 socket for the 4th Generation Intel ® Core™ i7/Intel ® Core™i5/ Intel ® Core™ i3, Pentium ® and Celeron ® processors Supports 22nm CPU Supports Intel ® T urbo Boost T echnology 2.0* * The Intel ® T urbo Boost T echnology 2.0 support depends on the CPU types. Chi[...]

vii Z87-A specications summary (continues on the next page) Audio - DTS Connect - Supports jack-detection, multi-streaming and front panel jack-retasking - Optical S/PDIF out ports at rear I/O USB Intel ® Z87 Express Chipset - supports ASUS USB 3.0 Boost - 2 x USB 3.0/2.0 ports at mid-board for front panel support - 4 x USB 3.0/2.0 ports at rea[...]

viii Z87-A specications summary ASUS Exclusive Overclocking Features Precision T weaker 2 - vCore: Adjustable CPU Core voltage at 0.001V increment - iGPU: Adjustable CPU Graphics voltage at 0.001V increment - vCCIO: Adjustable Analog and Digital I/O voltage at 0.001V increment - vCCIN: Adjustable CPU Input voltage at 0.01V increment - vCCSA: Adj[...]

ix  Z87-A specications summary BIOS features 64 Mb Flash ROM, UEFI AMI BIOS, PnP , DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS [...]

x[...]

1-1 Chapter 1: Product introduction Chapter 1 Product introduction If any of the items is damaged or missing, contact your retailer . Thank you for buying an ASUS ® Z87-A motherboard! Before you start installing the motherboard, and hardware devices on it, check the items ?[...]

ASUS Z87-A 1-2 1.2 Motherboard overview  [...]

1-3 Chapter 1: Product introduction 1.2.3 Motherboard layout[...]

ASUS Z87-A 1-4 1.3 Central Processing Unit (CPU) The motherboard comes with a surface mount LGA1 150 socket designed for the 4th generation Intel ® Core™ i7 / Intel ® Core™ i5 / Intel ® Core™ i3, Pentium ® and Celeron ® processors. . Ensure that all power cables are unplugged before installing the CPU. Connectors/Jumpers/Slots Page 1. A [...]

1-5 Chapter 1: Product introduction 1.3.1 Installing the CPU • Ensure that you install the correct CPU designed for LGA1 150 only . DO NOT install a CPU designed for LGA1 155 and LGA1 156 sockets on the LGA1 150 socket. • Upon purchase of the motherboard, ensure that the PnP cap is on the socket and the socket contacts are not bent. Contact you[...]

ASUS Z87-A 1-6 Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan, if necessary .[...]

1-7 Chapter 1: Product introduction 1.3.2 Installing the CPU heatsink and fan T o install the CPU heatsink and fan assembly T o uninstall the CPU heatsink and fan assembly[...]

ASUS Z87-A 1-8 1.4 System memory 1.4.1 Overview The motherboard comes with four Double Data Rate 3 (DDR3) Dual In-line Memory Modules (DIMM) slots. A DDR3 module is notched differently from a DDR or DDR2 module. DO NOT install a DDR or DDR2 memory module to the DDR3 slot. ?[...]

1-9 Chapter 1: Product introduction 1.4.2 Memory congurations Y ou may install 2GB, 4GB and 8GB unbuffered and non-ECC DDR3 DIMMs into the DIMM sockets. • The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. Under the default state, som[...]

ASUS Z87-A 1-10 DDR3 2666(O.C.) MHz capability Z87-A Motherboard Qualied V endors Lists (QVL) DDR3 2800(O.C.) MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 ADA TA AX3U2600GW8G1 1-DG2 16GB (2x4GB) DS - - 1 1-13-13-35 1.65V • • • DDR3 2600(O.C.) MHz capability V endors P[...]

1-1 1 Chapter 1: Product introduction DDR3 2400(O.C.) MHz capability DDR3 2200(O.C.) MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 G.SKILL F3-17600CL7D-4GBFLS(XMP) 4GB (2x2GB) DS - - 7-10-10-28 1.65 • • GEIL GET34GB2200C9DC(XMP) 4GB (2x2GB) DS - - 9-10-9-28 1.65 • • •[...]

ASUS Z87-A 1-12 DDR3 2133(O.C.) MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 A-DA TA AX3U2133XC4G10(XMP) 4GB DS - - 10-1 1-11-30 1.65 • • • A-DA TA AX3U2133XW8G10(XMP) 8GB DS - - 10-1 1-11-30 1.65 • • • Apacer 78.BAGE4.AFD0C(XMP) 8GB (2x4GB) DS - - 9-9-9-24 - • ?[...]

1-13 Chapter 1: Product introduction DDR3 2000(O.C.) MHz capability DDR3 1866(O.C.) MHz capability (continued on the next page) V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing Vo ltage DIMM socket support (Optional) 1 2 4 AEXEA AXA3ES2G2000LG28V(XMP) 2GB DS - - - 1.65 • • • AEXEA AXA3ES4GK2000LG28V(XMP) 4GB (2x2GB) DS - - - 1.65 • [...]

ASUS Z87-A 1-14 DDR3 1866(O.C.) MHz capability DDR3 1800(O.C.) MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 G. SKILL F3-14400CL9D-4GBRL(XMP) 4GB (2x2GB) DS 9-9-9-24 1.6 • • • V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional)[...]

1-15 Chapter 1: Product introduction (continued on the next page) DDR3 1600 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing Voltage DIMM socket support (Optional) 1 2 4 Apacer 78.C1GET .9K10C 8GB DS Apacer AM5D6008 BQQSCK 1 1-11- 1 1-31 - • • • Apacer AHU04GFA60C9Q1D(XMP) 4GB DS - - 9-9-9-27 1.65 • • • Apacer AHU[...]

ASUS Z87-A 1-16 DDR3 1600 MHz capability (continued on the next page) V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 EK Memory EKM324L28BP8- I16(XMP) 4GB (2x2GB) DS - - 9 - • • • EK Memory EKM324L28BP8- I16(XMP) 4GB (2x2GB) DS - - 9 - • • • Elixir M2X2G64CB88 G7N- DG(XMP) 2GB SS El[...]

1-17 Chapter 1: Product introduction DDR3 1600 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing Voltage DIMM socket support (Optional) 1 2 4 KINGSTON KHX16C10B1K2/ 16X(XMP) 16GB (2x8GB) DS - - - 1.5 • • • KINGSTON KHX16C9K2/16 16GB (2x8GB) DS - - 1333-9- 9-9-24 1.5 • • KINGSTON KHX16C9P1K2/16 16GB (2x8GB) DS - - - 1[...]

ASUS Z87-A 1-18 DDR3 1333 MHz capability (continued on the next page) V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 ACTICA ACT1GHU64B 8F1333S 1GB SS SAMSUNG K4B1G0846F - - • • • ACTICA ACT1GHU72C 8G1333S 1GB SS SAMSUNG K4B1G0846F(ECC) - - • • • ACTICA ACT2GHU64B 8G1333M 2GB DS Mic[...]

1-19 Chapter 1: Product introduction (continued on the next page) DDR3 1333 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 G.SKILL F3-10666CL9D- 8GBRL 8GB (2x4GB) DS - - 9-9-9-24 1.5 • • • G.SKILL F3-10666CL9D- 8GBXL 8GB (2x4GB) DS - - 9-9-9-24 1.5 • • • GEIL GB34 GB[...]

ASUS Z87-A 1-20 DDR3 1333 MHz capability V endors Part No. Size SS/ DS Chip Brand Chip NO. Timing V oltage DIMM socket support (Optional) 1 2 4 OCZ OCZ3G1333L V4GK 4GB (2x2GB) DS - - 9-9-9 1.65 • • OCZ OCZ3G1333L V8GK 8GB (2x4GB) DS - - 9-9-9 1.65 • • OCZ OCZ3G1333L V8GK 8GB (2x4GB) DS - - 9-9-9 1.65 • • OCZ OCZ3RPR1333 C9L V8GK 8GB (2x[...]

1-21 Chapter 1: Product introduction 2.3.4 DIMM installation Side(s): SS - Single-sided DS - Double-sided DIMM support: (1) Supports one (1) module inserted into any slot as Single-channel memory ?[...]

ASUS Z87-A 1-22 T o remove a DIMM 1.5 Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. 1.5.[...]

1-23 Chapter 1: Product introduction 1.5.2 Conguring an expansion card  1. T urn on the system [...]

ASUS Z87-A 1-24 IRQ assignments for this motherboard A B C D E F G H Intel PCH SA T A controller #0 – – – shared – – – – Intel PCH SA T A controller #1 – – – shared – – – – SMBUS Controller – – shared – – – – – Thermal Controller – – shared – – – – – XHCI – – – – – shared – – EHC[...]

1-25 Chapter 1: Product introduction • Refer to section 1.7 Onboard LEDs for the exact location of the DRAM_LED. • The DRAM_LED also lights up when the DIMM is not properly installed. T urn off the system and reinstall the DIMM before using the MemOK! function. • The MemOK! switch does not function under Windows ® OS environment. • During [...]

ASUS Z87-A 1-26 3. TPU switch With its two-level adjustment functions, the TPU allows you to automatically adjusts the CPU ratio and clock speed for an optimal system performance. • Enable this switch when the system is powered off. • When the TPU switch is set to Enabled (TPU_I: CPU Ratio Boost), the system automatically adjusts the CPU ratio [...]

1-27 Chapter 1: Product introduction 1.7 Onboard LEDs 1. EPU LED The EPU LED lights up when the EPU switch is enabled. 4. EPU switch Enable this switch to automatically detect the current PC loadings and intelligently moderate the power consumption. Enable this switch when the system is powered off. • The EPU LED (OLED2) near the EPU switch light[...]

ASUS Z87-A 1-28 3. POST State LEDs The POST State LEDs provide the status of these key components during POST (Power-On-Self T est): CPU, memory modules, VGA card, and hard disk drives. If an error is found, the critical component’s LED stays lit up until the problem is solved. 2. TPU LED The TPU LED lights up when the TPU switch is enabled.[...]

1-29 Chapter 1: Product introduction 1.8 Jumpers Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real T ime Clock (RTC) RAM in CMOS. Y ou can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup infor[...]

ASUS Z87-A 1-30 1.9 Connectors 1.9.1 Rear panel connectors Rear panel connectors 1. PS/2 keyboard/mouse combo port 7. Mini DisplayPort 2. Optical S/PDIF Out port Optical S/PDIF Out port 8. HDMI port 3. VGA port VGA port 9. DVI port 4. USB 3.0 5 and 6 USB 3.0 5 and 6 10. USB 3.0 3 and 4 USB 3.0 3 and 4 5. LAN (RJ-45) port* 1 1. Audio I/O ports** 6. [...]

1-31 Chapter 1: Product introduction 1. Line In port (light blue). This port connects to the tape, CD, DVD player , or other audio sources. 2. Line Out port (lime). This port connects to a headphone or a speaker . In the 4, 6, and  ?[...]

ASUS Z87-A 1-32 1.9.2 Internal connectors 1. A TX power connectors (24-pin EA TXPWR; 8-pin EA TX12V) These connectors are for A TX power supply plugs. The power supply plugs are ?[...]

1-33 Chapter 1: Product introduction 2. Intel Intel ® Z87 Serial A T A 6.0 Gb/s connectors (7-pin SA T A6G_1-6 [yellow]) These connectors connect to Serial A T A 6.0 Gb/s hard disk drives via Serial A T A 6.0 Gb/s signal cables. If you installed Serial A T A hard disk drives, you can create a RAID 0, 1, 5, and 10 ?[...]

ASUS Z87-A 1-34 3. CPU, chassis, and optional fan connectors (4-pin CPU_F AN; 4-pin CPU_OPT ; 4-pin CHA_F AN1-3) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector .  ?[...]

1-35 Chapter 1: Product introduction 4. USB 3.0 connector (20-1 pin USB3_12) USB 3.0 connector (20-1 pin USB3_12) This connector allows you to connect a USB 3.0 module for additional USB 3.0 front [...]

ASUS Z87-A 1-36 6. USB 2.0 connectors (10-1 pin USB910; USB1 1 12; USB1314) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system ?[...]

1-37 Chapter 1: Product introduction 7. Serial port connectors (10-1 pin COM) The connector is for a serial (COM) port. Connect the serial port module cable to the connector , then install the module to a slot opening at the back of the system chassis. The serial port bracket (COM) is purchased separately . 8. Digital audio connector (4-1 pin SPDIF[...]

ASUS Z87-A 1-38 9. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector .  ?[...]

1-39 Chapter 1: Product introduction 1 1. System panel connector (20-8 pin P ANEL) This connector supports several chassis-mounted functions. • System power LED (2-pin PLED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector . The system power LED lights up when you turn on the system power , a[...]

ASUS Z87-A 1-40 1.10 Software support 1.10.1 Installing an operating system • This motherboard supports Windows ® 8 32/64-bit and Windows ® 7 32/64-bit operating systems (OS). • Motherboard settings and hardware options vary . Use the setup procedures presented in this chapter for reference only . Refer to your OS documentation for detailed i[...]

Chapter 2: BIOS information 2-1 The ASUS website publishes the latest BIOS versions to provide enhancements on system stability , compatibility , or performance. However , BIOS updating is potentially risky . If there is no problem using the current version of BIOS, DO NOT manually update the BIOS. Inappropriate BIOS updating may result in the syst[...]

2-2 ASUS Z87-A 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based   ?[...]

Chapter 2: BIOS information 2-3 2.1.3 ASUS CrashFree BIOS 3 utility   when it[...]

2-4 ASUS Z87-A 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to update BIOS in DOS environment. This utility also [...]

Chapter 2: BIOS information 2-5 2. The BIOS Updater screen appears as below . Updating the BIOS le   1. At the FreeDOS prompt, type bupdater /pc /g and press <Enter>. D:>bupdater /pc /g 4. Select Y es and press <[...]

2-6 ASUS Z87-A 2.2 BIOS setup program  include navigation keys and brief onscreen help to guide you in u[...]

Chapter 2: BIOS information 2-7 By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance mode and boot device priority . T o access the Advanced Mode, click Exit/Advanced Mode , then select Adv[...]

2-8 ASUS Z87-A 2.2.2 Advanced Mode The Advanced Mode  ?[...]

Chapter 2: BIOS information 2-9 Menu items  selecting Main shows the Main [...]

2-10 ASUS Z87-A 2.3 My Favorites MyFavorites is your personal space where you can easily save and access your favorite BIOS items. Adding items to My Favorites T o add frequently-used BIOS items to My Favorites: 1. Use the arrow keys to select an item that you want to add. When using a mouse, hover the pointer to the item. 2. Press <F4> on yo[...]

Chapter 2: BIOS information 2-1 1 2.4 Main menu The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings. 2.4.1 System Language [English] Allows you to choose the BIOS l[...]

2-12 ASUS Z87-A Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system. Otherwise, you might be able to see or change only  T o set an a[...]

Chapter 2: BIOS information 2-13 2.5 Ai T weaker menu    ?[...]

2-14 ASUS Z87-A 2.5.1 Ai Overclock T uner [Auto] Allows you to select the CPU overclocking options to achieve the desired CPU internal  ?[...]

Chapter 2: BIOS information 2-15 3-Core Ratio Limit [Auto] Select [Auto] to apply the CPU default T urbo Ratio setting or manually assign a 3-Core Limit value that must be higher than or equal to the 4-Core Ratio Limit. If you assign a value for 3-Core Ratio Limit, do not set the 1-Core Ratio Limit and 2-Core Ratio Limit to [Auto] . 4-Core Ratio Li[...]

2-16 ASUS Z87-A 2.5.10 OC T uner [As Is] OC T uner automatically overclocks the frequency and voltage of CPU and DRAM for enhancing the system performance and accelerates the iGPU performance to the extreme according to the integrated graphics loading. ?[...]

Chapter 2: BIOS information 2-17 The following items appear only when you set the CPU V oltage Frequency to [Auto] . VRM Spread Spectrum [Disabled] Enable the VRM Spread Spectrum to enhance system stability .  Active Frequen[...]

2-18 ASUS Z87-A 2.5.14 CPU Power Management The subitems in this menu allow you to set the CPU ratio and their features. Enhanced Intel SpeedStep T echnology [Enabled] Allows the operating system to dynamically adjust the processor voltage and cores frequency , resulting to a decreased average power consumption and decreased average heat production[...]

Chapter 2: BIOS information 2-19 CPU Internal Power Fault Control Thermal Feedback [Auto] Allows your system to take precautionary actions to be taken by the CPU when the thermal conditions of the external regulator exceeds the threshold. [...]

2-20 ASUS Z87-A CPU Internal Power Saving Control Power Saving Level 1 Threshold [Auto]  potential. High[...]

Chapter 2: BIOS information 2-21 2.5.17 CPU Cache V oltage [Auto]  c[...]

2-22 ASUS Z87-A Offset Mode Sign [+] [+] T o offset the voltage by a positive value. [–] T o offset the voltage by a negative value. CPU Graphics V oltage Offset By default, this item takes the standard value of the installed CPU. Y ou can use the <+> or <-> keys to adjust the value. The values range from 0.001V to 0.999V with a 0.001[...]

Chapter 2: BIOS information 2-23 2.5.21 CPU Digital I/O V oltage Offset Mode Sign [+] [+] T o offset the voltage by a positive value. [–] T o offset the voltage by a negative value. CPU Digital I/O V oltage Offset [Auto] ?[...]

2-24 ASUS Z87-A 2.5.26 PCH VLX V oltage [Auto] Allows you to set the I/O voltage on the PCH (Platform Controller Hub). Y ou can use the <+> or <-> keys to adjust the value. The values range from 1.2000V to 2.0000V with a 0.0125V interval. 2.5.27 PCH V oltage [Auto] Allows you to set the Core voltage for the PCH (Platform Controller Hub)[...]

Chapter 2: BIOS information 2-25   can cause the system to malfunction. 2.6 Advance[...]

2-26 ASUS Z87-A Active Processor Cores [All] Allows you to choose the number of CPU cores to activate in each processor package.  Limit CPUID Maximum [Disabled] When set to [Enabled] , this item allows the legacy OS to boot even with[...]

Chapter 2: BIOS information 2-27 CPU C States [Auto] Allows you to enable or disable the CPU C states.  The following items appear only when you set the CPU C States to [Enabled] . Enhanced C1 state [Ena[...]

2-28 ASUS Z87-A Intel Rapid Start T echnology [Disabled] Allows you to enable or disable Intel ® Rapid Start T echnology .  The following items appear only when you set the Intel ® Rapid Start T echnology to [Enabled] . En[...]

Chapter 2: BIOS information 2-29 2.6.3 SA T A Conguration While entering Setup, the BIOS automatically detects the presence of SA T A devices. The SA T A Port items show Not Present if no SA T A device is installed to the corresponding SA T A port. SA T A Mode Selection [AHCI] [...]

2-30 ASUS Z87-A DVI Port Audio [Disable] Allows you to enable or disable the DVI audio port.  Graphics Conguration Allows you to select a primary display from iGPU, and PCIe graphical devices. Primary Display [Auto] Allows you [...]

Chapter 2: BIOS information 2-31 Memory Conguration  Memory Scrambler [Enabled] Allows you to enable or disable the Memory Scrambler support. ?[...]

2-32 ASUS Z87-A 2.6.6 Platform Misc Conguration  PCI Express Native Power Management [Disabled] Allows you to enhance the [...]

Chapter 2: BIOS information 2-33 Serial Port Conguration Allows you to set the parameters of the serial ports. This item only functions only if there is a serial port (COM1) connector connected to the motherboard. Serial Port [Enabled] Allows you to enable or disable the serial port. ?[...]

2-34 ASUS Z87-A 2.6.9 Network Stack Network Stack [Disable] This item allows user to disable or enable the UEFI network stack.  The following item appears only when you set the Network Stack to [Enabled] . Ipv4/Ipv6 PXE Support[...]

Chapter 2: BIOS information 2-35 2.7.2 CPU Fan Speed [Ignore] or [Monitor] / [N/A], CPU OPT [Ignore] or [Monitor] / [N/A], CPU OPT or [Monitor] / [N/A], CPU OPT Speed [xxxx RPM] or [Ignore] / [N/A], Chassis Fan 1/3 Speed [xxxx RPM] or [Ignore] / [N/A] The onboard hardware monitor automatically detects and displays the CPU, chassis, and power fan sp[...]

2-36 ASUS Z87-A CPU Fan Min. Duty Cycle(%) [20] Use the <+> or <-> keys to adjust the minimum CPU fan duty cycle. The values range from 0% to 100%. When the CPU temperature is under 40ºC, the CPU fan will operate at the minimum duty cycle. 2.7.5 Chassis Q-Fan Control 1/3 [Enabled] [Disabled] Disables the Chassis Q-Fan control feature. [...]

Chapter 2: BIOS information 2-37 2.8 Boot menu The Boot menu items allow you to change the system boot options. Boot Conguration 2.8.1 Fast Boot [Enabled] [Disabled] Allows your system to go back to its normal boot speed. [Enabled] Allows your system to accelerate the boot speed. The following items appear only when you set the Fast Boot to [Ena[...]

2-38 ASUS Z87-A PS/2 Keyboard and Mouse Support [Auto] Select any of these settings when PS/2 keyboard and mouse are installed. These settings only apply when Fast Boot is enabled. [Auto] For a faster POST time, PS/2 devices will only be available when the system boots up or rebooted when the PS/2 devices have not been reconnected or changed. If yo[...]

Chapter 2: BIOS information 2-39 Post Delay Time [3 sec] This item allows you to select a desired additional POST waiting time to easily enter the BIOS Setup. Y ou can only execute the POST delay time during normal boot. The values range from 0 to 10 seconds. This feature will only work when set under normal boot. The following items appear only wh[...]

2-40 ASUS Z87-A 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] Disable the CSM to fully support the non-UEFI driver add-on devices or the Windows ?[...]

Chapter 2: BIOS information 2-41 The following item appears only when you set the OS T ype to [Windows UEFI mode] . Key Management This item appears only when you set OS T ype to [Windows UEFI Mode] . It allows you to manage the Secure Boot keys. Install Default Secure Boot keys Allows you to immediately load the default Security Boot keys, Platfor[...]

2-42 ASUS Z87-A DB Management  applications, operating system loaders, and UEFI drivers that you can load on the single compu[...]

Chapter 2: BIOS information 2-43 2.8.20 Boot Override These items displays the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Click an item to start booting from the selected device. 2.9 T ools menu  [...]

2-44 ASUS Z87-A Load from Prole  number that saved your BIOS settings, press <[...]

Chapter 2: BIOS information 2-45 2.10 Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items. Y ou can access the EZ Mode from the Exit menu. 2.10.1 Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Se[...]

2-46 ASUS Z87-A[...]

Appendices A-1 Appendices Appendices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: This device may not cause harmful interference. This device must accept any interference received including interference that may cause undesired operation. This e[...]

A-2 Z87-A Appendices VCCI: Japan Compliance Statement VCCI Class B Statement KC: Korea W arning Statement Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communication[...]

Appendices A-3 Appendices ASUS contact information ASUST eK COMPUTER INC. Address 15 Li-T e Road, Peitou, T aipei, T aiwan 1 1259 T elephone +886-2-2894-3447 Fax +886-2-2890-7798 E-mail info@asus.com.tw Web site www .asus.com.tw T echnical Support T elephone +86-21-3842991 1 Online support support.asus.com ASUS COMPUTER INTERNA TIONAL (America) Add[...]

A-4 Z87-A Appendices EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTeK COMPUTER INC. Address, City: 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112, TAIWAN Country: TAIWAN Authorized representative in Europe: ASUS COMPUTER GmbH Address, City: HARKORT STR. 21-23, 40880 RATINGEN Country: GERMANY declare the following apparatus: Produ[...]