N420S-IM-AA User Manual
E18881 Revised Edition V3 July 2021 COPYRIGHT INFORMATION 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 for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents About this manual..............................................................................................................5 Conventions used in this manual.......................................................................................... 6 Typography................................................................................................................................... 6 Package contents.........................................................................................
.4 Advanced menu.......................................................................................................52 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.4.8 4.4.9 4.4.10 4.4.11 4.4.12 4.4.13 4.4.14 4.4.15 4.4.16 4.4.17 4.4.18 4.4.19 4.5 4.6 4.7 4.8 Trusted Computing...................................................................................................... 53 PCH Storage Configuration.......................................................................................
About this manual This manual provides information about the hardware and software features of your Single Board Computer, organized through the following chapters: Chapter 1: Specifications Summary This chapter details the hardware and software features of your Single Board Computer. Chapter 2: Product Introduction This chapter describes the features of the motherboard. It includes description of the connectors, and I/O ports on the motherboard.
Conventions used in this manual To highlight key information in this manual, some text are presented as follows: IMPORTANT! This message contains vital information that must be followed to complete a task. NOTE: This message contains additional information and tips that can help complete tasks. WARNING! This message contains important information that must be followed to keep you safe while performing certain tasks and prevent damage to your Single Board Computer's data and components.
Package contents Your Single Board Computer package contains the following items: N420S-IM-AA SATA and power cable NOTE: • Some bundled accessories may vary with different models. For details on these accessories, refer to their respective user manuals. • The device illustration is for reference only. Actual product specifications may vary with models.
Single Board Computer
1 Specifications Summary
N420S-IM-AA Specifications Summary Processor Memory Graphics Expansion slot Ethernet Audio Storage CPU Intel® Pentium® N4200 processor Max. Speed 1.1GHz Quad-core (Turbo 2.5GHz) L2 Cache 2 MB Chipset Integrated Technology DDR3L 1866MHz, non ECC, un-buffered memory Max. 8GB Socket 1 x SO DIMM Controller Intel® HD Graphics 505 HDMI 1xH DMI™ supports HDMI™ 1.4b with max. resolution of 3840 x 2160 @ 30 Hz DisplayPort 1xD isplayPort supports DisplayPort 1.2 with max.
Rear I/O 1 x DisplayPort 1 x HDMI™ port 4 x USB 3.2 Gen 1 Type-A ports 2 x RJ-45 LAN ports Internal connectors 6 x Serial ports (2 x RS-232/422/485, 4 x RS-232) 1xU SB 2.0 connector (supports additional 2 USB 2.
Single Board Computer
2 Product Introduction Chapter 2: Product Introduction
2.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. NOTE: The diagrams in this chapter are for reference only. The motherboard layout may vary with models. IMPORTANT! Components shown in this section may require additional purchase. Refer to Package contents section for more information about the contents of your Single Board Computer package.
2.
Layout contents Page 1. M.2 Wi-Fi slot 23 2. Nano SIM Card slot 23 3. Mini PCIe slot 22 4. DIMM slot 17 5. Low Pin Count connector 26 6. Battery connector 26 7. LVDS connector (on selected models) 25 8. Backlight Inverter Power connector 25 9. EDP Signal connector (on selected models) 27 10. LVDS Panel Power Selection jumper (on selected models) 19 11. Backlight Power Selection jumper 19 12. Backlight Power Enable jumper 20 13. GPIO connector 28 14.
2.3 System memory The motherboard comes with a Small Outline Dual Inline Memory Module (SODIMM) slot designed for DDR3L memory modules.
2.4 1. Onboard jumpers Clear RTC RAM jumper The Clear RTC RAM jumper allows you to clear the Real Time Clock (RTC) RAM in the CMOS, which contains the date, time, system passwords, and system setup parameters. To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Short-circuit pin 1-2 with a metal object or jumper cap for about 5-10 seconds. 3. Plug the power cord and turn ON the computer. 4.
2. LVDS Panel Power Selection jumper (on selected models) The LVDS Panel Power jumper allows you to select the voltage for the LVDS panel. 3. Backlight Power Selection jumper The Backlight Power Selection jumper allow you to select the voltage for the LVDS back light module.
4. Backlight Power Enable jumper The Backlight Power Enable jumper allows you to configure the power setting for the panel. 5. HW WDT Enable jumper A watchdog timer is an electronic timer that is used to detect and recover from computer malfunctions. The HW WDT (watchdog timer) Enable jumper allows the HW watchdog resets the system automatically even when the system crashes. NOTE: The default setting for this jumper is set to HW WDT enabled with a jumper cap attached.
2.5 1. Internal connectors SATA 6Gb/s & SATA Power connector The SATA 6Gb/s and SATA Power connectors allow you to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable and power cable. Connector type Wafer HD 4P, 2.0mm pitch NOTE: Ensure to use the bundled cable when connecting a storage device to this connector.
2. Mini PCIe slot The Mini PCIe slot allows you to install a Mini PCIe peripheral device. NOTE: The Mini PCIe peripheral device is purchased separately. 3. Micro SD Card slot The Micro SD Card slot allows you to install a Micro SD card. NOTE: The Micro SD card is purchased separately.
4. Nano SIM Card slot The Nano SIM Card slot allows you to install a Nano SIM card. NOTE: The Nano SIM card is purchased separately. 5. M.2 Wi-Fi slot The M.2 Wi-Fi slot allows you to install an M.2 Wi-Fi module (E-key, type 2230). NOTE: The M.2 Wi-Fi module is purchased separately.
6. M.2 slot The M.2 slot allows you to install 2242 M.2 devices such as 2242 M.2 SSD modules. NOTE: The M.2 SSD module is purchased separately. 7. Power button connector The Power Button connector allows you to connect an external power button.
8. LVDS connector (on selected models) The LVDS connector allows you to connect a LCD monitor that supports a Low-voltage Differential Signaling (LVDS) interface. Connector type 9. WAFER HD 2X15P 1.25MM pitch Backlight Inverter Power connector The Backlight Inverter Power connector is for the panel back light module power input. Connector type WAFER 6P 2.
10. Low Pin Count connector The Low Pin Count connector allows you to connect a low pin count (LPC) debug card that offers a faster, more efficient motherboard troubleshooting solution. When connected to a debug card, users can view error and debugging codes on the card and get a better idea of initialization and recovery processes. Connector type BOX header 2x5p, K10, 2.0mm pitch 11. Battery connector The Battery connector allows you to connect the lithium CMOS battery.
12. EDP Signal connector (on selected models) The EDP Signal connector allows you to connect an internal embedded DisplayPort. Connector type WtoB CON 40P 0.
13. System Management Bus connector The System Management Bus (SMBus) connector allows you to connect SMBus devices. This connector is generally used for communication with the system and power management-related tasks. Connector type Header 1x4p, 2.0mm pitch 14. GPIO connector The GPIO connector allows you to connect a general purpose input/ output module which allows you to customize the digital signal input/ output. Connector type 28 Single Board Computer BOX header 2x5p, K9, 2.
15. I2C connector The I2C (Inter-Integrated Circuit)connector allows you to connect an I2C compatible IoT security module. Connector type Header 2x3p, K6, 2.0mm pitch 16. SPI TPM connector The SPI TPM connector supports a Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. Connector type Header 2x7p,K14, 2.
17. Serial Port connector The Serial (COM) Port connector allows you to connect a serial port module. Connect the serial port module cable to this connector, then install the module to a slot opening on the system chassis. Connector type BOX header 2x5p, K10, 2.0mm pitch NOTE: • The serial port module is purchased separately. • COM1 and COM2 support RS-232/422/485. • COM 3, COM4, COM5, and COM6 support RS-232.
18. USB 2.0 connector The USB 2.0 connector allows you to connect a USB module for additional USB 2.0 ports. The USB 2.0 connector provides data transfer speeds of up to 480 MB/s connection speed. Connector type BOX header 2x5p, K9, 2.0mm pitch WARNING! DO NOT connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! NOTE: The USB 2.0 module is purchased separately.
19. Chassis Intrusion connector The Chassis Intrusion connector allows you to connect a intrusion sensor or microswitch for the chassis intrusion detection feature. When you remove any chassis component, the sensor or microswitch triggers and sends a high level signal and records a chassis intrusion event. NOTE: By default, a jumper cap that disables the intrusion detection feature is installed on the connector to prevent accidental triggers.
20. Fan connector The Fan connector allows you to connect a fan to cool the system. Connector type WtoB CON 4P,1.25mm,S/T WARNING! • DO NOT forget to connect the fan cable to the fan connector. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! • Ensure the cable is fully inserted into the connector.
21. System Panel connector The System Panel connector supports several chassis-mounted functions. Connector type BOX header 2x5p 2.0mm pitch • System Power LED connector (PLED) The 2-pin connector allow you to connect the System Power LED. The System Power LED lights up when the system is connected to a power source, or when you turn on the system power, and blinks when the system is in sleep mode.
22. Line Out / Mic connector The Line Out / Mic connector is for a line out / microphone module that supports HD Audio. Connect one end of the line Out / mic module cable to this connector. Connector type BOX header 2x5p, K8, 2.0mm pitch NOTE: We recommend that you connect a high-definition line out / mic module to this connector to avail of the motherboard’s highdefinition audio capability.
23. DC-in 4-Pin Power connector The DC-in 4-pin Power connector is for DC power input. Using a compatible power cable and power board, you may connect a suitable power supply with DC-in jacks.
2.6 I/O connectors Front panel Front panel connectors 1. DisplayPort 2. HDMI port 3. USB 3.2 Gen 1 ports 4.
Single Board Computer
Upgrading your Single Board Computer 3
IMPORTANT! • Ensure that your hands are dry before proceeding with the rest of the installation process. Before installing any of the features in this guide, use a grounded wrist strap or touch a safely grounded object or metal object to avoid damaging them due to static electricity. • Turn off the power of your Single Board Computer, and allow it to cool for at least 10 minutes before performing any installation/ uninstallation process. NOTE: The illustrations in this section are for reference only.
3.2 Installing 2.5” storage device 1. Connect the storage device cable to the storage device. 2. Connect the storage device cable to the SATA6G and SATA_PWR connectors on the motherboard.
3.3 Installing the Mini PCIe card Your motherboard comes with a Mini PCIe slot that allow you to install a Mini PCIe peripheral card. Align and insert the Mini PCIe card into the slot (A) and press it down and secure it in place using two (2) screws (B).
3.4 Installing a Nano SIM card 1. (optional) Remove the Mini PCIe card if there is a Mini PCIe card installed by removing the two (2) screws securing the Mini PCIe card first, then removing the Mini PCIe card. 2. Push the Nano SIM cover towards the front I/O of your motherboard. 3. Lift the Nano SIM cover. 4. Place the Nano SIM into the Nano SIM slot. 5. Replace the Nano SIM cover. 6. Push the Nano SIM cover towards the rear of your motherboard to secure the Nano SIM card.
3.5 Installing an Micro SD card Insert your Micro SD card into the Micro SD card slot. Ensure that the Micro SD card is pushed all the way into the Micro SD card slot.
3.6 Installing the wireless card 1. Remove the M.2 stand screw. 2. Align and insert the wireless card into its slot on the motherboard, then gently push down the wireless card on top of the screw hole and fasten it using the previously removed stand screw. 3. (optional) Connect the antennas to your wireless card. NOTE: • Connecting antennas to your wireless card may strengthen the wireless signal. • A soft clicking sound indicates that the antenna has been securely attached on the wireless card.
3.7 Installing an M.2 SSD 1. (optional) Replace the stand screw if it has been removed. 2. Align and insert the M.2 SSD into its slot inside the Single Board Computer, then gently push down the M.2 SSD on top of the stand screw hole and fasten it using a screw.
BIOS Setup 4
4.1 Getting to know your BIOS The BIOS (Basic Input and Output System) stores system hardware settings such as Storage Device Configuration, Advanced Power Management, and Boot Device Configuration that are needed for system startup. Under normal circumstances, the default BIOS settings apply to most conditions to ensure optimal performance.
4.2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program. Entering BIOS Setup at startup To enter BIOS Setup at startup: • Press or during the Power-On Self Test (POST). If you do not press or , POST continues with its routines.
BIOS menu screen This section provides a brief introduction of the BIOS Interface of your Single Board Computer.
4.3 Main Menu When you enter the BIOS Setup program, the Main menu screen appears. The Main menu provides you an overview of the basic system information, and allows you to set the system date and time. Scroll down to display the other BIOS items. 4.3.1 System Date [Day xx/xx/xxxx] Allows you to set the system date. 4.3.2 System Time [xx:xx:xx] Allows you to set the system time.
4.4 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. WARNING! Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. Start ASUS EzFlash Allows you to run ASUS EzFlash BIOS ROM Utility when you press . Refer to the ASUS EzFlash Utility section for details.
OS Type [Windows UEFI mode] Allows you to select your installed operating system. Execute the Microsoft® Secure Boot check. Only select this option when booting on Windows® UEFI mode or other Microsoft® Secure Boot compliant OS. [Other OS] Get the optimized function when booting on Windows® non-UEFI mode. Microsoft® Secure Boot only supports Windows® UEFI mode. 4.4.1 Trusted Computing NOTE: All values changed here do not take effect until computer is restarted.
SHA-1 PCR Bank Allows you to enable or disable SHA-1 PCR Bank. Configuration options: [Disable] [Enable] SHA256 PCR Bank Allows you to enable or disable SHA256 PCR Bank. Configuration options: [Disable] [Enable] Pending operation Allows you to schedule an operation for the Security Device. Configuration options: [None] [TPM Clear] NOTE: Your computer will reboot during restart in order to change the state of Security Device. Platform Hierarchy Allows you enable or disable the Platform Hierarchy.
Physical Presence Spec Version Select to tell the OS to support PPI Spec Version 1.2 or 1.3. Configuration options: [1.2] [1.3] NOTE: Some HCK tests might not support version 1.3. 4.4.2 PCH Storage Configuration While entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show [Empty] if no SATA device is installed to the corresponding SATA port. SATA Controller Allows you to enable or disable the Chipset SATA Controller.
NOTE: The following items appear only when SATA Port Enable is set to [Enabled]. Aggressive LPM Support This item is designed for LPM (link power management) support with a better energy saving conditions. Configuration options: [Disabled] [Enabled] SATA6G SATA6G Port Allows you to enable or disable the SATA port. Configuration options: [Disabled] [Enabled] SATA6G Port Hot Plug Allows you to enable or disable SATA Hot Plug Support. Configuration options: [Disabled] [Enabled] M.2(SOCKET3) M.
4.4.3 Onboard Devices Configuration HD Audio Support Allows you to enable or disable HD-Audio support. Configuration options: [Disabled] [Enabled] Intel LAN Allows you to enable or disable Intel LAN. Configuration options: [Disabled] [Enabled] NOTE: The following item appears only when Intel LAN is set to [Enabled]. Intel LAN PXE Option ROM Allows you to enable or disable Intel LAN PXE OPROM launch. Configuration options: [Disabled] [Enabled] Intel LAN 2 Allows you to enable or disable Intel LAN 2.
M.2 WiFi(E-Key) PCIE Port Allows you to enable or disable Wi-Fi Controller. Configuration options: [Disabled] [Enabled] USB Port Allows you to enable or disable Bluetooth Controller. Configuration options: [Disabled] [Enabled] Mini PCIe PCIE Port Allows you to enable or disable PCIe Controller. Configuration options: [Disabled] [Enabled] USB Port Allows you to enable or disable USB Controller.
4.4.4 ACPI Settings The items in this menu allow you to configure the system ACPI parameters. Enable ACPI Auto Configuration Allows you to enable or disable the BIOS ACPI Auto Configuration. Configuration options: [Disabled] [Enabled] NOTE: The following item appears only when Enable ACPI Auto Configuration is set to [Disabled]. Enable Hibernation Allows you to enable or disable the ability of the system to hibernate (OS/S4 Sleep State).
4.4.5 APM Configuration Allows you to configure the Advance Power Management (APM) settings. ErP Ready Allows you to switch off some power at S4+S5 or S5 to get the system ready for ErP requirement. When set to [Enabled], all other PME options will be switched off. Configuration options: [Disabled] [Enabled(S4+S5] [Enabled(S5)] Restore AC Power Loss [S0] The system goes into ON state after an AC power loss. [S5] The system goes into OFF state after an AC power loss.
4.4.6 SMART Settings The items in this menu allow you to configure the SMART Self Test settings. SMART Self Test Allows you to run SMART Self Test on all HDDs during POST. Configuration options: [Disabled] [Enabled] 4.4.7 NCT6116D Super IO Configuration Serial Port 1-2 Configuration Allows you to set the parameters of Serial Port 1-2. Serial Port Allows you to enable or disable Serial Port.
NOTE: The following items appear only when Serial Port is set to [Enabled]. Mode Select Configuration options: [RS232] [RS485] [RS422] Change Settings Allows you to choose the setting for Super IO device.
4.4.8 NCT6116D HW Monitor 4.4.9 Serial Port Console Redirection COM1-6 Console Redirection Allows you to enable or disable the console redirection feature.
NOTE: The following item appears only when Console Redirection is set to [Enabled]. Console Redirection Settings This item becomes configurable only when you enable the Console Redirection item. The settings specify how the host computer and the remote computer (which the user is using) will exchange data. Both computers should have the same or compatible settings. Terminal Type Allows you to set the terminal type. [VT100] ASCII char set. [VT100+] Extends VT100 to support color, function keys, etc.
Stop Bits Stop bits indicate the end of a serial data packet. (A start bit indicates the beginning.) The standard setting is 1 stop bit. Communication with slow devices may require more than 1 stop bit. Configuration options: [1] [2] Flow Control Flow control can prevent data loss from buffer overflow. When sending data, if the receiving buffers are full, a “stop” signal can be sent to stop the data flow. Once the buffers are empty, a “start” signal can be sent to re-start the flow.
Resolution This allows you to set the number of rows and columns supported on the Legacy OS. Configuration options: [80x24] [80x25] Redirection After POST This setting allows you to specify if Bootloader is selected than Legacy console redirection. [Always Enable] Legacy Console Redirection is enabled for Legacy OS. [Bootloader] Legacy Console Redirection is disabled before booting to Legacy OS.
Flow Control Allows you to set the flow control to prevent data loss from buffer overflow. Configuration options: [None] [Hardware RTS/CTS] [Software Xon/Xoff] 4.4.10 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Socket 0 CPU Information Allows you to view Socket specific CPU information. CPU Power Management EIST Allows you to enable or disable Intel SpeedStep.
Boot performance mode Allows you to select the performance state that the BIOS will set before OS handoff. Configuration options: [Max Performance] [Max Battery] C-States Allows you to enable or disable C-States. Configuration options: [Disabled] [Enabled] NOTE: The following items appear only when C-States is set to [Enabled]. Enhanced C-States Allows you to enable or disable C1E. When set to [Enabled], CPU will switch to minimum speed when all cores enter C-State.
NOTE: The following items appear only when Power Limit 1 Enable is set to [Enabled]. Power Limit 1 Power Limit 1 Clamp Mode Allows you to enable or disable Power Limit 1 Clamp Mode. Configuration options: [Disabled] [Enabled] Power Limit 1 Power Allows you to set the Power Limit 1 in Watts. Selecting [Auto] will program Power Limit 1 Power based on the silicon default support value.
Intel Virtualization Technology When set to [Enabled], a VMM can utilize the additional hardware capabilities provided by Vanderpool Technology. Configuration options: [Disabled] [Enabled] VT-d Allows you to enable or disable CPU VT-d. Configuration options: [Disabled] [Enabled] Bi-directional PROCHOT When a processor thermal sensor trips (either core), the PROCHOT# will be driven. If Bi-directional is set to [Enabled], external agents can drive PROCHOT# to throttle the processor.
4.4.11 AMI Graphic Output Protocol Policy NOTE: This option only appears if OS type in Advanced menu is set to [Windows UEFI Mode]. Output Select Allows you to select the output interface. Configuration options: [DVI2] [HDMI2] 4.4.12 PCI Subsystem Settings Allows you to configure PCI, PCI-X, and PCI Express Settings. Above 4G Decoding Allows you to enable or disable 64-bit capable devices to be decoded in above 4G address space. It only works if the system supports 64-bit PCI decoding.
Hot-Plug Support Globally enables or disables Hot-Plug support for the entire system. If system has Hot-Plug capable Slots and this option set to [Enabled], it provides a Setup screen for selecting PCI resource padding for Hot-Plug. Configuration options: [Disabled] [Enabled] 4.4.13 USB Configuration NOTE: The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None. Legacy USB Support [Disabled] The USB devices can be used only for the BIOS setup program.
XHCI Hand-off NOTE: This item is set to [Disabled] by default for the EHCI (enhanced host controller interface) support by XHCI drivers in operating systems. [Disabled] Support XHCI by XHCI drivers for operating systems with XHCI support. [Enabled] Support XHCI by BIOS for operating systems without XHCI support. USB Mass Storage Driver Support Allows you to enable or disable the USB Mass Storage driver support.
4.4.14 Network Stack Configuration Allows you to configure the network stack configuration. Network Stack Allows you to enable or disable UEFI Network Stack. Configuration options: [Disabled] [Enabled] NOTE: The following items appear only when Network Stack is set to [Enabled]. Ipv4 PXE Support Enables or disables the Ipv4 PXE Boot Support. If disabled, Ipv4 PXE boot option will not be created. Configuration options: [Disabled] [Enabled] Ipv6 PXE Support Enables or disables the Ipv6 PXE Boot Support.
4.4.15 SDIO Configuration SDIO Access Mode [Auto] Access SD device in DMA mode if controller supports it, otherwise access SD device in PIO mode. [ADMA] Access SD device in ADMA mode. [SDMA] Access SD device in SDMA mode. [PIO] Access SD device in PIO mode. 4.4.16 Platform Trust Technology TPM Device Selection Allows you to select the TPM device. [Firmware TPM] Enables PTT in SkuMgr. [Discrete TPM] Disables PTT in SkuMgr.
4.4.17 Security Configuration TXE HMRFPO Allows you to enable or disable TXE HMRFPO. Configuration options: [Disabled] [Enabled] TXE EOP Message Allows you to enable or disable sending EOP Message before entering OS. Configuration options: [Disabled] [Enabled] 4.4.18 LFP Configuration IGD Flat Panel Allows you to enable or disable IGD video output to onboard LVDS. Configuration options: [Disable] [Enable] NOTE: The following items appear only when IGD Flat Panel is set to [Enable].
EDID Data Source Allows you to select the EDID data source. Configuration options: [Pre-defined] [Flat Panel Display] Back Light Control Allows you set back light control settings. Configuration options: [PWM-Inverted] [PWM-Normal] 4.4.19 Thermal Automatic Thermal Reporting Allows you to configure _CRT, _PSV, and _ACO automatically based on values recommended in BWG’s Thermal Reporting for Thermal Management settings. Set to [Disabled] for manual configuration.
Active Trip Point This value controls the temperature of the ACPI Active Trip Point - the point in which the OS will turn the fan on.
4.5 Security This menu allows a new password to be created or a current password to be changed. The menu also enables or disables the Secure Boot state and lets the user configure the System Mode state. Administrator Password To set an administrator password: 1. 2. Select the Administrator Password item and press . From the Create New Password box, key in a password, then press . 3. Confirm the password when prompted. To change an administrator password: 1. 2. 3. 4.
NOTE: To clear the administrator password, follow the same steps as in changing an administrator password, but press when prompted to create/confirm the password. User Password To set a user password: 1. 2. 3. Select the User Password item and press . From the Create New Password box, key in a password, then press . Confirm the password when prompted. To change a user password: 1. 2. 3. 4. Select the User Password item and press .
Secure Boot Secure Boot can be enabled if the system is running in User mode with enrolled platform Key (EPK) or if the CSM function is disabled. Configuration options: [Disabled] [Enabled] Key Management The Key Management item allows you to modify Secure Boot variables and set Key Management page. Restore Factory Keys Force System to User Mode. Configure NVRAM to contain OEM-defined factory default Secure Boot keys. Reset to Setup Mode Delete NVRAM content of all UEFI Secure Boot key databases.
4.6 Boot menu The Boot menu items allow you to change the system boot options. Fast Boot [Disabled] Allows your system to go back to its normal boot speed. [Enabled] Allows your system to accelerate the boot speed. NOTE: The following items appear only when Fast Boot is set to [Enabled]. SATA Support [Last Boot SATA Devices Only] Only last boot SATA device will be available in POST. [All SATA Devices] All SATA devices will be available in OS and POST.
VGA Support [Auto] Only install the Legacy OpRom with Legacy OS and logo will not be shown during POST. [EFI Driver] EFI driver will still be installed with the EFI OS. USB Support [Disabled] All USB devices will NOT be available until after OS boot. [Full Initial] All USB devices will be available in OS and POST. [Partial Initial] USB Mass Storage and specific USB port/device will NOT be available before OS boot. Network Stack Driver Support [Disabled] Network Stack Driver will be skipped.
Network / Storage / Video This option allows you to control the execution of UEFI and Legacy PXE/ Storage/ Video OpROM. Configuration options: [Do not launch] [UEFI] [Legacy] Other PCI devices This item determines the OpROM execution policy for devices other than Network, Storage, or Video. Configuration options: [Do not launch] [UEFI] [Legacy] Setup Prompt Timeout Allows you to set the number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite waiting.
Wait For ‘F1’ If Error Enable this item for the system to pause until the F1 key is pressed when any error occurs. Configuration options: [Disabled] [Enabled] Quiet Boot Allows you to enable or disable the Quiet Boot option. Configuration options: [Disabled] [Enabled] Boot Option Priorities These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system.
4.7 Save & Exit menu The Save & Exit menu items allow you to save or discard your changes to the BIOS items. NOTE: Pressing does not immediately exit this menu. Select one of the options from this menu or from the legend bar to exit. Discard Changes and Exit Exit System setup without saving any changes. Save Changes and Reset Exit System setup after saving the changes. Restore Defaults Restore/load default values for all the setup options.
4.8 Updating your BIOS The following utilities allow you to manage and update the motherboard Basic Input/Output System (BIOS) setup: 1. ASUS CrashFree BIOS 3 To recover the BIOS using a bootable USB flash disk drive when the BIOS file fails or gets corrupted. 2. ASUS EzFlash Updates the BIOS using a USB flash disk. 3. BUPDATER Updates the BIOS in DOS mode using a bootable USB flash disk drive. Refer to the corresponding sections for details on these utilities.
Recovering the BIOS from a USB flash drive To recover the BIOS from a USB flash drive: 1. Insert the USB flash drive with the original or updated BIOS file to one USB port on the system. 2. The utility will automatically recover the BIOS. It resets the system when the BIOS recovery finished. WARNING! DO NOT shut down or reset the system while recovering the BIOS! Doing so would cause system boot failure! NOTE: The recovered BIOS may not be the latest BIOS version for this motherboard.
To update the BIOS using EzFlash Utility: 1. Insert the USB flash disk that contains the latest BIOS file to the USB port. 2. Enter the BIOS setup program. Go to the Advanced menu to select Start ASUS EzFlash and press to enable it. WARNING! Ensure to back up your Bitlocker recovery key and suspend Bitlocker encryption in the operating system before updating your BIOS. ASUSTek.
WARNING • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only. • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! IMPORTANT! Ensure to load the BIOS default settings to ensure system compatibility and stability. Press and select Yes to load the BIOS default settings. 4.8.3 BUPDATER utility NOTE: The succeeding BIOS screens are for reference only.
4. The utility verifies the file, then starts updating the BIOS file. ASUSTek. EzFlash Utility Current Platform Platform : N420S-IM-AA Version : 0204 Build date: 05/15/2020 Start Programming Flash. New Platform Platform : N420S-IM-AA Version : 0401 Build date: 06/19/2020 DO NOT SHUTDOWN THE SYSTEM!!! Write 75% WARNING! DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 5. The utility returns to the DOS prompt after the BIOS update process is completed.
Single Board Computer
Appendix
Safety information Your Single Board Computer is designed and tested to meet the latest standards of safety for information technology equipment. However, to ensure your safety, it is important that you read the following safety instructions. Setting up your system • • • • • • • • • 94 Read and follow all instructions in the documentation before you operate your system. Do not use this product near water or a heated source. Set up the system on a stable surface.
Care during use • Do not walk on the power cord or allow anything to rest on it. • • Do not spill water or any other liquids on your system. When the system is turned off, a small amount of electrical current still flows. Always unplug the power cord from the power outlets before cleaning the system. If you encounter the following technical problems with the product, unplug the power cord and contact a qualified service technician or your retailer. – The power cord or plug is damaged.
Regulatory notices REACH Complying with the REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) regulatory framework, we publish the chemical substances in our products at ASUS REACH website at http://csr.asus.com/ english/REACH.htm ASUS Recycling/Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment.
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, and This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
ISED Radiation Exposure Statement for Canada This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment. To maintain compliance with ISED RF exposure compliance requirements, please avoid direct contact to the transmitting antenna during transmitting. End users must follow the specific operating instructions for satisfying RF exposure compliance.
Wireless Operation Channel for Different Domains N. America 2.412-2.462 GHz Ch01 through CH11 Japan 2.412-2.484 GHz Ch01 through Ch14 Europe ETSI 2.412-2.472 GHz Ch01 through Ch13 Regional notice for Singapore Complies with IMDA Standards DB103778 This ASUS product complies with IMDA Standards. Regional notice for California WARNING! This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling.
ENERGY STAR complied product ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices. All ASUS products with the ENERGY STAR logo comply with the ENERGY STAR standard, and the power management feature is enabled by default. The monitor and computer are automatically set to sleep after 10 and 30 minutes of user inactivity.
Manufacturer ASUSTek COMPUTER INC. Address, City 1F., No. 15, Lide Rd., Beitou Dist.
Single Board Computer
