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DFI WB72-SC User Manual

Rev. a+ system board
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WB72-SC
WB72-SC
WB72-SC
WB72-SC
WB72-SC
Rev. A+
Rev. A+
Rev. A+
Rev. A+
Rev. A+
System Board
System Board
System Board
System Board
System Board
User's Manual
User's Manual
User's Manual
User's Manual
User's Manual
51300131

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Summary of Contents for DFI WB72-SC

  • Page 1 WB72-SC WB72-SC WB72-SC WB72-SC WB72-SC Rev. A+ Rev. A+ Rev. A+ Rev. A+ Rev. A+ System Board System Board System Board System Board System Board User’s Manual User’s Manual User’s Manual User’s Manual User’s Manual 51300131...
  • Page 2 Copyright Copyright Copyright Copyright Copyright This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without the prior written permission from the copyright holders. This publication is provided for informational purposes only.
  • Page 3 Battery: • Danger of explosion if battery incorrectly replaced. • Replace only with the same or equivalent type recommend by the manufacturer. • Dispose of used batteries according to the battery manufacturer’s instructions. Joystick or MIDI port: • Do not use any joystick or MIDI device that requires more than 10A current at 5V DC.

  • Page 4: Table Of Contents

    Introduction Table of Contents Chapter 1 - Introduction 1.1 Features and Specifications.................. Chapter 2 - Hardware Installation System Board Layout ..................System Memory......................Jumper Settings for Clearing CMOS Data........Jumper Settings for Wake-On-Keyboard/Mouse........Jumper Settings for Wake-On-USB Keyboard........ Jumper Settings for USB 4................Ports and Connectors...................

  • Page 5: Chapter 1 - Introduction

    Introduction Chapter 1 - Introduction 1.1 Features and Specifications 1.1.1 Features Chipset • Intel 845 chipset ® - Intel 82845 Memory Controller Hub (MCH) ® - Intel 82801BA I/O Controller Hub (ICH2) ® Processor The system board is equipped with Socket 423 for installing a Pentium 4 processor.
  • Page 6 Introduction Expansion Slots The system board is equipped with 1 AGP slot, 4 dedicated PCI slots and 1 shared PCI/CNR slot. The AGP slot only supports 1.5V AGP 4x (1066MB/sec. bandwidth) add-in cards. AGP is an interface designed to support high performance 3D graphics cards for 3D graphics applications.
  • Page 7 Introduction Connectors • One connector for 2 additional external USB ports • One connector for IrDA interface • Two IDE connectors • One floppy drive interface supports up to two 2.88MB floppy drives • Three ATX power supply connectors • One Wake-On-LAN connector •...

  • Page 8: System Health Monitor Functions

    Introduction BIOS • Award BIOS, Windows 98/2000/ME/XP Plug and Play ® compatible • Flash EPROM for easy BIOS upgrades • Supports DMI 2.0 function Desktop Management Interface (DMI) The system board comes with a DMI 2.0 built into the BIOS. The DMI utility in the BIOS automatically records various information about your system configuration and stores these information in the DMI pool, which is a part of the system board's Plug and Play BIOS.
  • Page 9 Introduction 1.1.3 Intelligence Automatic System/Second Fan Off The system and second fans will automatically turn off once the system enters the Suspend mode. Dual Function Power Button Depending on the setting in the “Soft-Off By PWR- BTTN” field of the Power Management Setup, this switch will allow the system to enter the Soft-Off or Suspend mode.
  • Page 10 Introduction Wake-On-Keyboard/Wake-On-Mouse This function allows you to use the keyboard or PS/2 mouse to power-on the system. Refer to “Jumper Settings for Wake-On-Keyboard/Wake-On-Mouse” in chapter 2 and “Keyboard/Mouse Power On” in the Integrated Peripherals section in chapter 3 for more information.
  • Page 11 Introduction RTC Timer to Power-on the System The RTC installed on the system board allows your system to automatically power-on on the set date and time. Refer to “Resume By Alarm” in the Power Management Setup section in chapter 3 for more information.
  • Page 12 Introduction AC Power Failure Recovery When power returns after an AC power failure, you may choose to either power-on the system manually, let the system power-on automatically or return to the state where you left off before power failure occurs. Refer to “PWR Lost Resume State”...
  • Page 13 Hardware Installation Chapter 2 - Hardware Installation 2.1 System Board Layout WB72-SC...

  • Page 14: Hardware Installation

    Hardware Installation Warning: Electrostatic discharge (ESD) can damage your system board, processor, disk drives, add-in boards, and other components. Perform the upgrade instruction procedures described at an ESD workstation only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis.

  • Page 15: Installing The Dim Module

    Hardware Installation detailed specification of the memory supported by the system board. “Memory Frequency For” in the Advanced Chipset Features submenu of the BIOS must be set accordingly. 2.2.1 Installing the DIM Module A DIM module simply snaps into a DIMM socket on the system board.

  • Page 16: Jumper Settings For Clearing Cmos Data

    Hardware Installation 2.3 Jumper Settings for Clearing CMOS Data 1-2 On: Normal 2-3 On: (default) Clear CMOS Data Clear CMOS Data - Jumper JP6 If you encounter the following, a) CMOS data becomes corrupted. b ) You forgot the supervisor or user password. c) You are unable to boot-up the computer system because the processor’s ratio/clock was incorrectly set in the BIOS.
  • Page 17 Hardware Installation 3 . Now power-on the system. If your reason for clearing the CMOS data is due to incorrect setting of the processor’s ratio/clock in the BIOS, please proceed to step 4. 4 . After powering-on the system, press <Del> to enter the main menu of the BIOS.
  • Page 18 Hardware Installation 2.4 Jumper Settings for Wake-On-Keyboard/ Wake-On-Mouse 1-2 On: Disable 2-3 On: Enable (default) Wake-On-Keyboard/Wake-On-Mouse - Jumper JP1 The Wake-On-Keyboard/Wake-On-Mouse function allows you to use the keyboard or PS/2 mouse to power-on the system. By default, JP1 is disabled. To use this function, set JP1 to 2-3 On. “Keyboard/ Mouse Power On”...
  • Page 19 Hardware Installation 2 . The power button will not function once a keyboard password has been set in the “KB Power On Password” field of the Integrated Peripherals submenu. You must type the correct password to power-on the system. 3 . The 5VSB power source of your power supply must support 720mA.

  • Page 20: Jumper Settings For Wake-On-Usb Wake-On-Keyboard/Mouse

    Hardware Installation 2.5 Jumper Settings for Wake-On-USB Keyboard 1-2 On: Disable 2-3 On: Enable (default) Wake-On-USB Keyboard for USB 1 and 2 - JP2 Wake-On-USB Keyboard for USB 3 and 4 - JP5 The Wake-On-USB Keyboard function allows you to use a USB keyboard to wake up a system that is in the S3 (STR - Suspend To RAM) state.
  • Page 21 Hardware Installation Important: • If you are using the Wake-On-USB Keyboard function for 2 USB ports, the 5VSB power source of your power supply must support 1.5A. • If you are using the Wake-On-USB Keyboard function for 4 USB ports, the 5VSB power source of your power supply must support 2A.
  • Page 22 Hardware Installation 2.6 Jumper Settings for USB 4 JP9 JP8 JP9 JP8 1-2 On: USB 4 on J16 2-3 On: USB 4 on CNR (default) USB 4 Select - Jumpers JP8 and JP9 These jumpers are used to select USB 4’s location. Set pins 1 and 2 to On if you want USB 4 on J16.

  • Page 23: Ports And Connectors

    Hardware Installation 2.7 Ports and Connectors 2.7.1 Serial Ports COM 1 COM 2 Serial Port Serial Port The system board is equipped with onboard serial ports (COM 1: CN3 and COM 2: CN5) - both in Teal/Turquoise color located at the ATX double deck ports of the board.
  • Page 24 Hardware Installation 2.7.2 PS/2 Mouse and PS/2 Keyboard Ports PS/2 Mouse PS/2 Keyboard The system board is equipped with an onboard PS/2 mouse (Green) and PS/2 keyboard (Purple) ports - both at location CN1 of the ATX double deck ports of the system board. The PS/2 mouse port uses IRQ12.

  • Page 25: Parallel Port

    Hardware Installation 2.7.3 Parallel Port Parallel Port The system board has a standard parallel port (CN4 - Burgundy) located at the ATX double deck ports of the board for interfacing your PC to a parallel printer. It supports SPP, ECP, EPP and PntMode modes.
  • Page 26 Hardware Installation Setting Function Allows normal speed operation but (Standard Parallel Port) in one direction only. Allows parallel port to operate in (Extended Capabilities Port) bidirectional mode and at a speed faster than the SPP’s data transfer rate. Allows bidirectional parallel port op- (Enhanced Parallel Port) eration at maximum speed.

  • Page 27: Floppy Disk Drive Connector

    Hardware Installation 2.7.4 Floppy Disk Drive Connector The system board is equipped with a shrouded floppy disk drive connector that supports two standard floppy disk drives. To prevent improper floppy cable installation, the shrouded floppy disk header has a keying mechanism. The 34-pin connector on the floppy cable can be placed into the header only if pin 1 of the connector is aligned with pin 1 of the header.

  • Page 28: Ide Disk Drive Connector

    Hardware Installation 2.7.5 IDE Disk Drive Connector The system board is equipped with two shrouded PCI IDE headers that will interface four Enhanced IDE (Integrated Drive Electronics) disk drives. To prevent improper IDE cable installation, each shrouded PCI IDE header has a keying mechanism. The 40-pin connector on the IDE cable can be placed into the header only if pin 1 of the connector is aligned with pin 1 of the header.
  • Page 29 Hardware Installation Adding a Second IDE Disk Drive When using two IDE drives, one must be set as the master and the other as the slave. Follow the instructions provided by the drive manufacturer for setting the jumpers and/or switches on the drives. The system board supports Enhanced IDE or ATA-2, ATA/33, ATA/66 or ATA/100 hard drives.
  • Page 30 Hardware Installation 2.7.7 Universal Serial Bus Ports Onboard USB Ports (CN2) Additional USB Ports (J16) Function Function Function Ground UP2- UP3- Ground UP2+ UP3+ UP2+ Ground Ground UP2- Ground...
  • Page 31 Hardware Installation The system board supports 4 USB ports. USB allows data exchange between your computer and a wide range of simultaneously accessible external Plug and Play peripherals. You must have the proper drivers installed in your operating system to use the USB ports.

  • Page 32: Irda Connector

    Hardware Installation 2.7.8 IrDA Connector Function N. C. IRRX Ground IRTX The system board is equipped with an IrDA connector for wireless connectivity between your computer and peripheral devices. The IRDA (Infrared Data Association) specification supports data transfers of 115K baud at a distance of 1 meter. Connect your IrDA cable to connector J1 on the system board.
  • Page 33 Hardware Installation 2.7.9 CPU Fan Connector Function Ground Power Sense The processor must be kept cool by using a fan with heatsink. Connect the CPU fan to the 3-pin fan connector at location J14 on the system board. The system is capable of monitoring the speed of the CPU fan.

  • Page 34: System Fan Connector

    Hardware Installation 2.7.10 System Fan Connector Function Ground On/Off Sense If you are installing a system fan in the system unit, connect the fan’s connector to location J15 on the system board. The fan will provide adequate airflow throughout the chassis to prevent overheating the processor.
  • Page 35 Hardware Installation 2.7.11 Second Fan Connector Function Ground On/Off Sense If you are installing a second fan in the system unit, connect the fan’s connector to location J19 on the system board. The system is capable of monitoring and controlling the speed of the second fan. The second fan will automatically turn off once the system enters the Suspend mode.
  • Page 36 Hardware Installation 2.7.12 Game/MIDI Port Game/MIDI Port The Game/MIDI port is identical to that of a standard PC game adapter or game I/O port. Connect an analog joystick to the 15-pin D-sub connector (CN8 - Gold) located at the ATX double deck ports of the system board.
  • Page 37 Hardware Installation 2.7.13 Audio Jacks Onboard Audio Jacks Line-out Line-in Mic-in Additional Line-out/Mic-in (J3) Function Function Mic+ Ground N. C. AuD_Vcc (Avcc) AuD_R_Out N. C. N. C. AuD_L_Out N. C.
  • Page 38 Hardware Installation Onboard Audio Jacks The system board is equipped with 3 audio jacks. A jack is a one- hole connecting interface for inserting a plug. Line-out Jack (CN6 - Lime) This jack is used to connect external speakers for audio output from the system board.

  • Page 39: Internal Audio Connectors

    Hardware Installation 2.7.14 Internal Audio Connectors CD-in This connector is used to receive Function audio from a CD-ROM drive, TV Left audio channel tuner or MPEG card. Ground Ground Right audio channel TAD is a connector for telephony Function audio devices such as voice modem Modem-out cards.
  • Page 40 Hardware Installation 2.7.15 Wake-On-LAN Connector Function Ground +5VSB The system board supports the Wake-On-LAN function. This function will allow the network to remotely power-on a Soft Power Down (Soft-Off) PC. However, if your system is in the Suspend mode, you can power-on the system only through an IRQ or DMA interrupt.
  • Page 41 Hardware Installation 2.7.16 Wake-On-Ring Connector Function Ground The Wake-On-Ring connector is used to connect to an internal modem card that has the same connector. It will allow the system that is in the Suspend mode or Soft Power Off mode to wake-up/ power-on to respond to calls coming through the internal modem card.
  • Page 42 Hardware Installation 2.7.17 DIMM and PCI Standby Power LEDs DIMM Standby Power LED This LED will turn red when the system’s power is on or when it is in the Suspend state (Power On Suspend or Suspend to RAM). It will not light when the system is in the Soft-Off state.
  • Page 43 Hardware Installation On: Default Off: 3.3VSB Standby Power to Non-PCI 2.2 spec. PCI slots - PCI 2.2 spec. Important: Lighted LEDs serve as a reminder that you must power-off the system then turn off the power supply’s switch or unplug the power cord prior to installing any memory modules or add-in cards.

  • Page 44: Power Connectors

    Hardware Installation 2.7.18 Power Connectors We recommend that you use a power supply that complies with the ATX12V Power Supply Design Guide Version 1.1. An ATX12V power supply has a standard 20-pin ATX main power connector, a 4-pin +12V power connector and a 6-pin auxiliary power connector that must be inserted onto PL1, ATXP1 and ATXP2 connectors respectively.
  • Page 45 Hardware Installation ATX Main Power Connector Function Function 3.3V 3.3V 3.3V -12V Ground Ground PS-ON Ground Ground Ground Ground Ground PW-OK - 5 V 5VSB +12V +12V Power Connector Function Ground Ground +12V +12V Auxiliary Power Connector Function Function +3.3V Ground +3.3V Ground...

  • Page 46: Front Panel Connectors

    Hardware Installation 2.7.19 Front Panel Connectors HD-LED: Primary/Secondary IDE LED This LED will light when the hard drive is being accessed. G-LED: Green LED This LED will not light when the system’s power is on or when the system is in the S3 (STR - Suspend To RAM) state. It will blink every second when the system is in the S1 (POS - Power On Suspend) state.
  • Page 47 Hardware Installation PWR-LED: Power/Standby LED When the system’s power is on, this LED will light. When the system is in the S1 (POS - Power On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To RAM) state, it will blink every 4 seconds.

  • Page 48: Chapter 3 - Award Bios Setup Utility

    Award BIOS Setup Utility Chapter 3 - Award BIOS Setup Utility 3.1 The Basic Input/Output System The Basic Input/Output System (BIOS) is a program that takes care of the basic level of communication between the processor and peripherals. In addition, the BIOS also contains codes for various advanced features found in this system board.
  • Page 49 Award BIOS Setup Utility CMOS Setup Utility - Copyright (C) 1984-2000 Award Software Standard CMOS Features Item Help Date (mm:dd:yy) Tue, Jun 5 2001 Time (hh:mm:ss) 4 : 35 : 5 Menu Level IDE Primary Master Press Enter None Change the day, month, IDE Primary Slave Press Enter None year and century...
  • Page 50 Award BIOS Setup Utility IDE Primary/Secondary Master/Slave If you wish to define your own drive type manually, select “Manual”. The drive type information should be included in the documentation from your hard disk vendor. If you select ”Auto”, the BIOS will auto-detect the HDD & CD-ROM drive at the POST stage and show the IDE for the HDD &...
  • Page 51 Award BIOS Setup Utility Halt On This field determines whether the system will stop if an error is detected during power up. No Errors The system boot will not stop for any errors detected. All Errors The system boot will stop whenever the BIOS detects a non-fatal error.

  • Page 52: Advanced Bios Features

    Award BIOS Setup Utility 3.1.2 Advanced BIOS Features The Advanced BIOS Features allows you to configure your system for basic operation. Some entries are defaults required by the system board, while others, if enabled, will improve the performance of your system or let you set some features according to your preference.
  • Page 53 Award BIOS Setup Utility sector and partition table of the hard disk drive. If an attempt is made to write to the boot sector or partition table of the hard disk drive, the BIOS will halt the system and an error message will appear. After seeing the error message, if necessary, you will be able to run an anti-virus program to locate and remove the problem before any damage is done.
  • Page 54 Award BIOS Setup Utility First Boot Device, Second Boot Device, Third Boot Device and Boot Other Device Select the drive to boot first, second and third in the “First Boot Device” “Second Boot Device” and “Third Boot Device” fields respectively. The BIOS will boot the operating system according to the sequence of the drive selected.
  • Page 55 Award BIOS Setup Utility Typematic Rate Setting Disabled Continually holding down a key on your keyboard will cause the BIOS to report that the key is down. Enabled The BIOS will not only report that the key is down, but will first wait for a moment, and, if the key is still down, it will begin to report that the key has been depressed repeatedly.
  • Page 56 Award BIOS Setup Utility HDD S.M.A.R.T. Capability The system board supports SMART (Self-Monitoring, Analysis and Reporting Technology) hard drives. SMART is a reliability prediction technology for ATA/IDE and SCSI drives. The drive will provide sufficient notice to the system or user to backup data prior to the drive’s failure.

  • Page 57: Advanced Chipset Features

    Award BIOS Setup Utility 3.1.3 Advanced Chipset Features CMOS Setup Utility - Copyright (C) 1984-2000 Award Software Advanced Chipset Features Item Help DRAM Timing Selectable By User CAS Latency Time Menu Level Active to Precharge Delay Non-ECC DRAM Data Integrity Mode Auto Memory Frequency For Disabled...
  • Page 58 Award BIOS Setup Utility CAS Latency Time This field is used to select the local memory clock periods. Active to Precharge Delay The options are 5, 6 and 7. DRAM Data Integrity Mode If you are using DIMMs that support the ECC (Error Checking and Correction) function, set this field to ECC.
  • Page 59 Award BIOS Setup Utility AGP Aperture Size (MB) This field is relevant to the memory-mapped graphics data of the AGP card installed in your system. Leave this in its default setting, which is 64. AGP 4X Mode This field is used to enable the AGP 4x interface which transfers video data at 1066MB/sec.

  • Page 60: Integrated Peripherals

    Award BIOS Setup Utility 3.1.4 Integrated Peripherals CMOS Setup Utility - Copyright (C) 1984-2000 Award Software Integrated Peripherals Item Help On-Chip Primary PCI IDE Enabled On-Chip Secondary PCI IDE Enabled Menu Level IDE Primary Master PIO Auto IDE Primary Slave PIO Auto IDE Secondary Master PIO Auto...
  • Page 61 Award BIOS Setup Utility Auto The BIOS will automatically set the system according to your hard disk drive’s timing. Mode 0-4 You can select a mode that matches your hard disk drive’s timing. Caution: Do not use the wrong setting or you will have drive errors.
  • Page 62 Award BIOS Setup Utility AC97 Modem Auto Select this option when using a primary or secondary modem riser card, or audio/modem riser card. Disabled Select this option when using a PCI modem card. Onboard AC97 Codec Enabled This option is used to enable the onboard AC97 codec.
  • Page 63 Award BIOS Setup Utility Password When this option is selected, move the cursor to the “KB Power On Password” field and press <Enter>. Enter your password. You can enter up to 5 characters. Type in exactly the same password to confirm, then press <Enter>.
  • Page 64 Award BIOS Setup Utility UART2 Mode Select The system board supports IrDA function for wireless connectivity between your computer and peripheral devices. You may not use IrDA (J1) and the COM 2 serial port (CN5) at the same time. If you are using the COM 2 serial port, make sure this field is set to Normal.
  • Page 65 Award BIOS Setup Utility Allows normal speed operation but in one direction only. ECP (Extended Capabilities Port) Allows parallel port to operate in bidirectional mode and at a speed faster than the normal mode’s data transfer rate. EPP (Enhanced Parallel Port) Allows bidirectional parallel port operation at maximum speed.
  • Page 66 Award BIOS Setup Utility Game Port Address This field is used to select the game port’s address. The options are 201, 209 and Disabled. Midi Port Address This field is used to select the midi port’s address. The options are 290, 292 and Disabled.

  • Page 67: Acpi Function

    Award BIOS Setup Utility 3.1.5 Power Management Setup The Power Management Setup allows you to configure your system to most effectively save energy. CMOS Setup Utility - Copyright (C) 1984-2000 Award Software Power Management Setup Item Help ACPI Function Enabled ACPI Suspend Type S1(POS) Menu Level...
  • Page 68 Award BIOS Setup Utility Power Management This field allows you to select the type (or degree) of power saving by changing the length of idle time that elapses before the Suspend mode and HDD Power Down fields are activated. Min Saving Minimum power saving time for the Suspend Mode and HDD Power Down = 1 hr.
  • Page 69 Award BIOS Setup Utility Soft-Off by PWR-BTTN This field allows you to select the method of powering off your system. Hold 4 Sec. Regardless of whether the Power Management function is enabled or disabled, if the power button is pushed and released in less than 4 sec, the system enters the Suspend mode.
  • Page 70 Award BIOS Setup Utility USB KB Wake-Up From S3 Set this field to Enabled to use the Wake-On-USB Keyboard function. This function allows you to use a USB keyboard to wake up a system that is in the S3 (STR - Suspend To RAM) state. Refer to “Jumper Settings for Wake-On-USB Keyboard”...

  • Page 71: Reset Configuration Data

    Award BIOS Setup Utility 3.1.6 PnP/PCI Configurations This section describes configuring the PCI bus system. It covers some very technical items and it is strongly recommended that only experienced users should make any changes to the default settings. CMOS Setup Utility - Copyright (C) 1984-2000 Award Software PnP/PCI Configurations Item Help Reset Configuration Data...
  • Page 72 Award BIOS Setup Utility IRQ Resources This field is used to set each system interrupt to either Legacy ISA or PCI. For devices compliant with the PCI bus architecture. Legacy ISA For devices compliant with the original PC AT bus specification.

  • Page 73: Pc Health Status

    Award BIOS Setup Utility 3.1.7 PC Health Status CMOS Setup Utility - Copyright (C) 1984-2000 Award Software PC Health Status Item Help Current System Temp. 27C/80F Current CPU Temperature 40C/66F Menu Level Current System FAN Speed 0 RPM Current CPU FAN Speed 0 RPM Current Second FAN Speed 0 RPM...

  • Page 74: Cpu Frequency Control

    Award BIOS Setup Utility 3.1.8 CPU Frequency Control CMOS Setup Utility - Copyright (C) 1984-2000 Award Software CPU Frequency Control Item Help CPU Clock Ratio Auto Detect PCI Clk Enabled Menu Level Spread Spectrum Modulated Disabled Clock By Slight Adjust 102MHz Move Enter:Select...
  • Page 75 Award BIOS Setup Utility Clock By Slight Adjust This field provides several options for selecting the external system bus clock of the processor. The available options allow you to adjust the processor’s bus clock by 1MHz increment. Important: Selecting an external bus clock other than 100MHz may result to the processor’s or system’s instability and are not guaranteed to provide better system performance.

  • Page 76: Load Optimized Defaults

    Award BIOS Setup Utility 3.1.9 Load Fail-Safe Defaults The “Load Fail-Safe Defaults” option loads the troubleshooting default values permanently stored in the ROM chips. These settings are not optimal and turn off all high performance features. You should use these values only if you have hardware problems. Highlight this option in the main menu and press <Enter>.

  • Page 77: Set Supervisor Password

    Award BIOS Setup Utility 3.1.11 Set Supervisor Password If you want to protect your system and setup from unauthorized entry, set a supervisor’s password with the “System” option selected in the Advanced BIOS Features. If you want to protect access to setup only, but not your system, set a supervisor’s password with the “Setup”...

  • Page 78: Save & Exit Setup

    Award BIOS Setup Utility 3.1.13 Save & Exit Setup When all the changes have been made, highlight “Save & Exit Setup” and press <Enter>. The message below will appear: Save to CMOS and Exit (Y/N)? N Type “Y” and press <Enter>. The modifications you have made will be written into the CMOS memory, and the system will reboot.

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