User Manual Chapter 1 General Information Preface This product can be used only in industrial-grade computers. Copyright Notice No part of this document may be reproduced, copied, translated, or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the prior written permission of the original manufacturer.
Page 3
General Information Packing List Before using this Motherboard, please make sure that all the items listed below are present in your package: IB32 Motherboard User Manual & Driver CD Optional Accessories: AC to DC 12V Power Adapter ...
Page 4
User Manual Chapter 1 General Information Advisory Conventions Three types of advisories are used throughout the user manual to provide helpful information or to alert you to the potential for hardware damage or personal injury. These are Notes, Important, Cautions, and Warnings. The following is an example of each type of advisory.
User Manual Chapter 1 General Information Safety Precautions WARNING! Always completely disconnect the power cord from your chassis whenever you work with the hardware. Do not make connections while the power is on. Sensitive electronic components can be damaged by sudden power surges.
Page 6
User Manual Chapter 1 General Information Safety and Warranty Please read these safety instructions carefully. Please keep this user- manual for later reference. Please disconnect this equipment from any AC outlet before cleaning. Do not use liquid or spray detergents for cleaning. Use a damp cloth. For pluggable equipment, the power outlet must be installed near the equipment and must be easily accessible.
User Manual Chapter 1 General Information Revision History Manual Board Released Note Author Version Version Date V100 6-Mar-2014 Initial Draft Marc Tsai V100 15-Aug-2014 Add Recovery Guide Jimmy Chen V100 1-Oct-2014 Add OS Selection Jimmy Chen V110 8-May-2015 Add USB 3.0 Driver Installation Jimmy Chen V110 26-Oct-2015 Adjust format...
User Manual Chapter 1 General Information CONTENTS PREFACE ……………………………………………………………………………………….II CHAPTER 1 GENERAL INFORMATION ERROR! BOOKMARK NOT DEFINED. 1.1 I ..................1 NTRODUCTION 1.2 F ....................1 EATURES 1.3 M ..............2 OTHERBOARD PECIFICATIONS 1.3.1 Hardware and Software Description .............. 2 1.3.2 Function block (V110) ..................
Page 9
User Manual Chapter 1 General Information 3.2.6 Save & Exit ....................62 3.3 U ........64 SING ECOVERY IZARD TO ESTORE OMPUTER CHAPTER 4 DRIVER INSTALLATION ............. 67 4.1 I ................67 NTEL HIPSET RIVER 4.2 G ................... 71 RAPHICS RIVER 4.3 A ..................
General Information This chapter includes the IB32 Motherboard background information. Sections include: Introduction Features Motherboard Specifications...
User Manual Chapter 1 General Information Introduction Thank you for choosing the IB 32 motherboard. This motherboard is integrated with Intel® Celeron® Bay Trail-M N2930 1.83GHz which offers a high performance computing platform with low power consumption. The new motherboard supports 204-pin SO-DIMM DDR3L at speeds of 1333/1600 MHz, up to 8GB.
User Manual Chapter 1 General Information Motherboard Specifications 1.3.1 Hardware and Software Description Hardware: Intel® Celeron® Bay Trail-M N2930 1.83GHz Processor (2M Cache, up to 2.00 GHz) System System Memory DDR3L 1066 MHz SO-DIMM Slot, Max. 8GB Specifications Chipset Intel ATOM SoC Integrated Super IO Chipset Fintek F81866 BIOS...
Page 13
User Manual Chapter 1 General Information Software Support: Drivers Intel Chipset Driver Graphics Driver Audio Driver Intel Sideband Fabric Device (Intel MBI) Driver (Windows 8) Intel Trusted Engine Interface (Intel TXE) Driver USB 3.0 Driver (Windows 7) Digital I/O Watchdog...
User Manual Chapter 1 General Information 1.3.3 Board dimensions (V110)
Page 16
User Manual Chapter 1 General Information AC to DC Power Adapter Components (optional) AC to DC 12V Power Power Cord Adapter The Motherboard allows plugging in 12V DC-IN jack on the board without another ® power module converter under Intel Bay Trail-M Celeron N2930 processor power consumption.
Hardware Installation This chapter provides information on how to use jumpers and connectors on the IB32 Motherboard. Be cautious while working with these modules. Please carefully read the content of this chapter in order to avoid any damages. The sections include:...
Hardware Installation Chapter 2 Hardware Installation 2.1 Memory Module (SO-DIMM) Installation The IB32 Motherboard has two 204-pin SODIMM slot. The socket supports up to 8GB DDR3L 1333/1600 SDRAM. When installing the –memory unit, please follow the steps below: Steps 1 Firmly insert the SO-DIMM at an angle of about 30-degree into the slot. Align the SO-DIMM with the slot until it is fully inserted.
User Manual Chapter 2 Hardware Installation I/O Equipment Installation 2.2.1 12V DC-IN The Motherboard allows plugging in 12V DC-IN jack on the board without another power module converter under power consumption by Intel® Celeron® Bay Trail-M N2930 1.83GHz 2.2.2 Serial COM ports Three RS-232 connectors build-in the rear I/O.
User Manual Chapter 2 Hardware Installation 2.2.6 Audio function The Audio 7.1 channel capabilities are provided by a Realtek ALC886 chipset supporting digital audio outputs. The audio interface includes three jacks: line-in, line-out and mic-in.
User Manual Chapter 2 Hardware Installation 2.2 Jumpers and Connectors This section describes the location of each of the board’s jumpers and connectors. 2.3.1 Component Side...
User Manual Chapter 2 Hardware Installation 2.3 Jumper Settings This section explains how to set jumpers for correct configuration of the motherboard. NOTE: A pair of needle nose pliers may be helpful when working with jumpers. If you have any doubts about the best hardware configuration for your application, contact your local distributor or sales representative before you make any changes.
User Manual Chapter 2 Hardware Installation 2.4.2 Setting Jumpers 2.4.2.1 JP1: Backlight Power Selector Setting Function 1-2* 12 V *Default 2.4.2.2 JP2: Backlight Enable Selector Setting Function 1-2* Control by platform Always on *Default 2.4.2.3 JP3: Backlight Control VR Pin № Name Pin № Name Black Light Control...
Page 26
User Manual Chapter 2 Hardware Installation 2.4.2.4 JP4: DC Mode Control Selector Setting Function VR knob Control to VRD 2-3* VR knob Control to SBC *Default 2.4.2.5 JP5: Backlight Control Power Selector Setting Function + 3.3V 2-3* + 5.0V *Default 2.4.2.6 JP6: Brightness Control Selector Setting Function...
Page 27
User Manual Chapter 2 Hardware Installation 2.4.2.8 JP8/JP9: Serial Port (RS232/422/485) Select Refer to J8/J9 settings below. RS232 RS422 RS485 10-11 11-12 11-12 For example: At the picture below you can see RS-232, RS-422, RS-485 (J8/J9) jumper setting. To Select RS-232 set Jumper 8 Pin 1-2 to the SHORT position, and Jumper 9 Pin1-2, 4-5, 7-8, 10-11 to the SHORT position.
Page 30
User Manual Chapter 2 Hardware Installation CN1: R-Speaker Out Pin № Name ROUT- ROUT+ CN2: L-Speaker Out Pin № Name LOUT- LOUT+ CON1: Panel Power Select Setting Function 1-2* Panel Power +3.3V Panel Power +5V Panel Power +12V *Default...
Page 31
User Manual Chapter 2 Hardware Installation CON2: Backlight Pin № Name Pin № Name Backlight Power Backlight Power Backlight Power Brightness Adjust Backlight Enable Note: Please refer to settings to select POWER RATING CON3: Serial ports (RS232/422/485) Pin № Name Pin №...
Page 32
User Manual Chapter 2 Hardware Installation CPU_FAN1: CPU FAN Pin № Name Pin № Name +12V SENSE DCJACK2: DC-In 2.5 Pin № Name Pin № Name DC_IN *Not visible for user...
Page 33
User Manual Chapter 2 Hardware Installation Debug 1: Debug Port Pin № Name Pin № Name LPC_AD0 +3.3V LPC_AD1 LPC_AD2 LPC_FRAME LPC_AD3 RESET CLOCK DIMM1: DDR3 SODIMM...
Page 34
User Manual Chapter 2 Hardware Installation DIDO1: GPIO Pin № Name Pin № Name DOUT3 DOUT1 DOUT2 DOUT0 DINT3 DINT1 DINT2 DINT0 DIN4 DOUT4 DIN5 DOUT5 J1: VRD Debug Pin № Name Pin № Name +3.3V DATA CLOCK RESET...
Page 35
User Manual Chapter 2 Hardware Installation LAN_LED1: External LAN LED Pin № Name Pin № Name +3.3V LAN1_1000_O LAN1_100_10_G LAN1_ACTIVE_Y +3.3V LAN2_1000_O LAN2_100_10_G LAN2_ACTIVE_Y...
Page 36
User Manual Chapter 2 Hardware Installation LVDS1: LVDS Pin № Signal Name Pin № Signal Name LCDVDD LVDS0_TX0_N LCDVDD LVDS0_TX0_P LCDVDD LVDS0_TX1_N LVDS0_TX1_P LVDS0_TX2_N LVDS0_TX2_P LVDS0_CLK_N LVDS0_CLK_P LVDS0_TX3_N LVDS0_TX3_P LVDS1_TX0_N LVDS1_TX0_P LVDS1_TX1_N LVDS1_TX1_P LVDS1_TX2_N LVDS1_TX2_P LVDS1_CLK_N LVDS1_CLK_P LVDS1_TX3_N LVDS1_TX3_P Note: Please refer to CON1 settings to select POWER RATING...
Page 38
User Manual Chapter 2 Hardware Installation Panel1: OSD Membrane Control Pin № Name Pin № Name +3.3V HDD_LED PWRBTN# GND/ Backlight ADJ+ Reset NC/Backlight ADJ- NOTE: Backlight ADJ+ / Backlight ADJ- optional functions SATA1: SATA Pin № Name Pin № Name SATA_TXP SATA_TXN...
Page 39
User Manual Chapter 2 Hardware Installation SATA_PWR1: SATA Power Pin № Name Pin № Name +12V +12V SIM1: Cable connector for SIM-100 Pin № Name Pin № Name VREG_USIM SIM_RESET SIM_CLK SIM_VPP SIM_DATA...
User Manual Chapter 2 Hardware Installation 2.5.2 I/O Side Setting Description The table below shows each of I/O side connectors and its functions. Label Function Note COM1 Serial port (RS232/422/485) D-sub9 Male DCJACK1 DC JACK DC Jack HDMI HDMI Signal HDMI Type A LAN1 Gigabit Ethernet...
Page 44
User Manual Chapter 2 Hardware Installation DCJACK1: DC Jack1 (optional) Pin № Name Pin № Name DC_IN HDMI: HDMI Type A Pin № Name Pin № Name TMDS_DATA2+ TMDS_DATA2- TMDS_DATA1+ TMDS_DATA1- TMDS_DATA0+ TMDS_DATA0- TMDS_CLOCK+ TMDS_CLOCK- DDC_CLOCK DDC_DATA Hot Plug Detect...
Page 45
User Manual Chapter 2 Hardware Installation LAN1, LAN2: Gigabit Ethernet Pin № Name Pin № Name TX1+ TX1- TX2+ TX2- TX3+ TX3- TX4+ TX4- 2 USB: USB 2.0 / USB 3.0 Pin № Name Pin № Name USB_D- USB_D+ STDA_SSRX- STDA_SSRX+ GND_DRAIN STDA_SSTX-...
User Manual Chapter 2 Hardware Installation AMI BIOS Setup This chapter contains BIOS Configuration and OS Recovery information. 3.1 When and How to Use BIOS Setup 3.2 BIOS Functions 3.3 Using Recovery Wizard to Restore Computer...
User Manual Chapter 2 Hardware Installation Chapter 3 AMI BIOS SETUP 3.1 When and How to Use BIOS Setup To enter the BIOS setup, you need to connect an external USB keyboard, press Del key when the prompt appears on the screen during start up. The prompt screen shows only few seconds so need press Del key quickly.
User Manual Chapter 2 Hardware Installation NOTE: You can press the F1, F2, F3, F4, –/+, and Esc keys by connecting a USB keyboard to your computer. 3.2 BIOS Functions 3.2.1 Main Menu When you enter BIOS setup, the first menu that appears on the screen is the main menu.
User Manual Chapter 2 Hardware Installation BIOS Description Setting Option Effect Setting System Displays system Adjustment of Set the language in Language language. [English] is other language. The set up by default. language language in this device is English. System This is current date Date and time Set the date in the...
Page 50
User Manual Chapter 2 Hardware Installation BIOS Setting Description Setting Option Effect ACPI Settings Configures ACPI settings Enter Opens submenu F81866 Super IO Configures IO settings Enter Opens Configuration submenu Hardware Monitor Configures Hardware Monitor Enter Opens settings submenu S5 RTC Wake Settings Configures RTC Wake Enter Opens...
Page 51
User Manual Chapter 2 Hardware Installation USB Configuration Configures USB Settings Enter Opens submenu Platform Trust Configures Platform Trust Enter Opens Technology Technology parameters submenu Security Configuration Configures Security Enter Opens parameters submenu 3.2.2.1 ACPI Settings BIOS Setting Description Setting Option Effect Enable ACPI Auto BIOS ACPI Auto...
Page 52
User Manual Chapter 2 Hardware Installation Serial Port 1~5 Use these items to set parameters related to serial port 1~5. Watch Dog Time Select You can either disable Watch Dog Time Select, or set up the time.Use <Arrow> keys to navigate and please press <Enter> to select the item.
Page 53
User Manual Chapter 2 Hardware Installation GPI0 Port Configuration You can use the screen to change GPI0 Port setting. Use these items to set parameters related to PIN3-PIN14 Control. 3.2.2.3 Hardware Monitor You can check PC Health Status parameters such as system temperature, fan speed etc.
Page 54
User Manual Chapter 2 Hardware Installation 3.2.2.4 S5 RTC Wake Settings Wake System from S5 with fixed time setting Wake system from S5 enables or disables system wake on alarm event. It allows you to wake up the system in a certain time. Select Fixed Time to set the system to wake on the specified time.
Page 55
User Manual Chapter 2 Hardware Installation Wake system from S5 after dynamic time setting Select Dynamic Time to set the system to wake on the current time + increase minute (s).
Page 56
User Manual Chapter 2 Hardware Installation 3.2.2.5 CPU Configuration Press <Enter> to view current CPU configuration and make settings for the following sub-items. BIOS Setting Description Setting Option Effect Socket CPU This item contains Enter Open sub-menu Information socket specific CPU information.
Page 57
User Manual Chapter 2 Hardware Installation 3.2.2.6 PPM Configuration BIOS Setting Description Setting Effect Option CPU C State Shows CPU C State Report Enabled/ Enable or Disable CPU Report Disabled C state report to OS Max CPU Allows to enter C1E, C3, Enable or Disable CPU C-State...
Page 58
User Manual Chapter 2 Hardware Installation 3.2.2.7 Thermal Configuration BIOS Setting Description Setting Option Effect Critical Trip Specifies the 90C, 87C, 85C, Select the Point temperature at which 79C, 71C, disable the OS will shut down 63C,55C,47C, temperature for the system 39C, 31C, 23C, the system to shut down...
Page 59
User Manual Chapter 2 Hardware Installation 3.2.2.8 IDE Configuration BIOS Setting Description Setting Effect Option Serial- ATA (SATA) Responsible for supporting Enabled/ Enable or disable this chipset drives with SATA Disabled function interface. SATA Speed Allows forcing the speed Gen1 The maximum speed will Support limit SATA II ports standard...
Page 60
User Manual Chapter 2 Hardware Installation SATA II [IDE] SATA controller will operate in a mechanism similar to a conventional IDE-controller [RAID] Allows combining hard drives in RAID-arrays in order to improve the reliability of data storage, or to increase the speed.
Page 61
User Manual Chapter 2 Hardware Installation 3.2.2.9 Miscellaneous Configuration OS Selection This item allows users to select the proper Operating System. BIOS Setting Description Setting Effect Option Windows 8.X Allows user to choose the proper OS. Enter Use Windows Windows 7 Allows user to choose the proper OS.
Page 62
User Manual Chapter 2 Hardware Installation 3.2.2.10 CSM Configuration BIOS Setting Description Setting Effect Option CSM Support The Compatibility Support Module Enabled/ Enable or (CSM) is a component of the UEFI Disabled disable the firmware that provides legacy Compatibility BIOS compatibility by emulating a Support BIOS environment, allowing legacy Module...
Page 63
User Manual Chapter 2 Hardware Installation are booted Legacy Storage Specifies which Storage option UEFI Only UEFI ROM is booted option ROMs are booted Legacy Only Legacy option ROMs are booted Video Specifies which Video option ROM UEFI Only UEFI is booted option ROMs are booted...
Page 64
User Manual Chapter 2 Hardware Installation 3.2.2.11 USB Configuration BIOS Setting Description Setting Effect Option Legacy USB User can enable or disable USB Disable Will keep USB Support port. devices available only for EFI applications. Enable Enable all the USB devices USB 3.0 Support User can enable or disable USB Enable...
Page 65
User Manual Chapter 2 Hardware Installation support. Enable Enables this function USB mass User can Enable or disable USB Disable Disables this storage driver mass storage driver support. function support Enable Enables this function USB Transfer The time‐out value for control, 1 Sec Depends on the time‐...
Page 66
User Manual Chapter 2 Hardware Installation 3.2.2.12 Platform Trust Technology BIOS Setting Description Setting Option Effect fTPM Trusted Platform Module Enabled/Disabled Enables or parameters disables this function...
Page 67
User Manual Chapter 2 Hardware Installation Security Configuration BIOS Setting Description Setting Option Effect Trusted Execution Technology Enabled/Disabled Enables or disables parameters this function TXE HMRFPO TXE HMRFPO parameters Enabled/Disabled Enables or disables this function TXE Firmware TXE Firmware Update Enabled/Disabled Enables or disables Update parameters...
User Manual Chapter 2 Hardware Installation 3.2.3 Chipset Menu For items marked with ►, please press <Enter> for more options. BIOS Setting Description Setting Effect Option High Precious Allow to set up High Precious Timer Enabled/ Enables/Disabl Timer settings Disabled es this function Restore AC This function allows to set up booting...
User Manual Chapter 2 Hardware Installation 3.2.4 Security Menu In the Security menu, users can set administrator password, user password, and HDD security configuration. BIOS Setting Description Setting Effect Option Administrator Displays whether or not an Enter Enter password Password administrator password has been set.
User Manual Chapter 2 Hardware Installation 3.2.5 Boot Configuration The Boot menu sets the sequence of the devices to be searched for the operating system. The bootable devices will be automatically detected during POST and shown here, allowing you to set the sequence that the BIOS use to look for a boot device from which to load the operating system.
Page 71
User Manual Chapter 2 Hardware Installation OEM logo (default = Black function background) is displayed. Enabled Enables this function Fast Boot Enables or disables Fast Boot to Disabled Disables this shorten the OS boot process. function (Default: Disabled). Enabled Enables this function Boot Mode Specifies which mode will be...
User Manual Chapter 2 Hardware Installation 3.2.6 Save & Exit The Exit menu displays a way how to exit BIOS Setup utility. After finishing your settings, you must save and exit for changes to be applied. BIOS Setting Description Setting Effect Option Save Changes...
Page 73
User Manual Chapter 2 Hardware Installation Reset <NO> Return to the BIOS Setup Main Menu Save Changes Save changes done so far to any of the <YES> Saves the setup options. changes <NO> Return to the BIOS Setup Main Menu Discard Discard changes done so far to any of the <YES>...
Celeron N2930 series computer has a dedicate recovery partition stored on the hard drive of the PC to enable quick one-key recovery process. This partition occupies about 11GB of the storage space, and comes built-in to each IB32 series PC.
Page 75
User Manual Chapter 2 Hardware Installation Wait the recovery process to complete. During the recovery process, a command prompt will show up to indicate the percent of recovery process complete. The system will restart automatically after recovery completed.
User Manual Chapter 2 Hardware Installation Chapter 4 Driver Installation 4.1 Intel Chipset Driver Step 1 Insert the CD that comes with the motherboard. Open the file document “Chipset Driver” and click on “infinst_auto.exe” to install the driver. Step 2 Click “Next” to continue the installation.
Page 78
User Manual Chapter 2 Hardware Installation Step 3 Click “Yes” to agree with the license terms. Step 4 Click “Next” to continue.
Page 79
User Manual Chapter 2 Hardware Installation Step 5 Please wait for the following operations to be performed. Step 6 Click “Next” to continue.
Page 80
User Manual Chapter 2 Hardware Installation Step 7 Select “Yes, I want to restart this computer now”, and click “Next” to finish the installation.
User Manual Chapter 2 Hardware Installation 4.2 Graphics Driver Step 1 Insert the CD that comes with the motherboard. Open the file document “Graphics Driver” and click “Setup.exe” to install the driver. Step 2 Click “Next” to continue the installation.
Page 82
User Manual Chapter 2 Hardware Installation Step 3 Click “Yes” to agree with the license terms. Step 4 Click “Next” to continue the installation.
Page 83
User Manual Chapter 2 Hardware Installation Step 5 Click “Next” to continue the installation. Step 6 Click “Next” to continue the installation.
Page 84
User Manual Chapter 2 Hardware Installation Windows Security warning message will appear on the screen, click “Install this driver software anyway” to continue the installation. Step 7 Please wait for the following operations to be performed.
Page 85
User Manual Chapter 2 Hardware Installation Step 8 Click “Next” to continue the installation. Step 9 Click “Yes, I want to restart this computer now” to finish the installation and restart the computer.
User Manual Chapter 2 Hardware Installation 4.3 Audio Driver Step 1 Insert the CD that comes with the motherboard. Open the file document “Audio Driver” and click on “Setup.exe” to install the driver. Step 2 Wait while setup is preparing the installation.
Page 87
User Manual Chapter 2 Hardware Installation Step 3 Click “Next” to continue the installation. Step 4 Please wait for the driver to configure your new software installation.
Page 88
User Manual Chapter 2 Hardware Installation Step 5 Windows security warning message will pop-up, mark “Always trust software from “Realtek Semiconductor Corp” and click “Install”. Step 6 Select “Yes, I want to restart my computer now”, and then press finish to complete the installation.
User Manual Chapter 2 Hardware Installation 4.4 Intel Sideband Fabric Device (Intel MBI) Driver (Windows 8) Step 1 Insert the CD that comes with the motherboard. Open the file document “MBI” and click on “Setup.exe” to install the driver. Step 2 Click “Next” to continue the driver installation.
Page 90
User Manual Chapter 2 Hardware Installation Step 3 Click “Yes” to agree with the license terms. Step 4 Please wait while the following setup operations are performed.
Page 91
User Manual Chapter 2 Hardware Installation Step 5 It may take some time for the following setup operations to be performed. Step 6 Select “Yes, I want to restart this computer now”, and then click Finish to complete the installation.
User Manual Chapter 2 Hardware Installation 4.5 Intel Trusted Engine Interface (Intel TXE) Driver Installation Step 1 Insert the CD that comes with the motherboard. Open the file document “TXE” and click on “Setup TXE.exe” to install driver. Step 2 Click “Next” to continue the installation.
Page 93
User Manual Chapter 2 Hardware Installation Step 3 Click “Next” to agree with the license terms. Step 4 Click “Next” to continue the installation.
Page 94
User Manual Chapter 2 Hardware Installation Step 5 Please wait while the product is being installed. Step 6 Click “Finish” to complete the installation.
User Manual Chapter 2 Hardware Installation 4.6 USB 3.0 Driver (Windows 7) NOTE: If the operating system of the device is Windows Embedded 8.1 Industry or Windows Embedded 8 Standard, users can skip this installation. Step 1 Locate the hard drive directory where the driver files are stored with the browser or the explore feature of Windows*.
Page 96
User Manual Chapter 2 Hardware Installation Step 4 Read the License Agreement and click “Yes” to proceed. Step 5 Review Readme File Information and click “Next” to proceed.
Page 97
User Manual Chapter 2 Hardware Installation Step 6 When the Setup Progress is complete click “Next” to proceed.
Page 98
User Manual Chapter 2 Hardware Installation Step 7 Click “Yes, I want to restart this computer now” to finish and then restart your computer.
Page 99
User Manual Chapter 2 Hardware Installation Technical Support Documents This chapter includes appendix items for this user manual and SDK. 5.1 Digital I/O SDK 5.2 Watchdog SDK...
5.1 Digital I/O SDK To find the Digital I/O Sample code, please refer to the IB32 driver CD SDK or contact 5.2 Watchdog SDK To find the Watchdog Sample code, please refer to the IB32 driver CD SDK or contact...
Page 101
User Manual Chapter 2 Hardware Installation...
Need help?
Do you have a question about the IB32 and is the answer not in the manual?
Questions and answers