Sharp PC-A820 Specifications

iNotice for Users in the USAFCC StatementWARNING - FCC Regulations state that any unauthorized changes or modificationsto this equipment not expressly

xRecording Important InformationFor future reference, please record the following information in the spaces providedbelow.Model Number:Serial Number:D

xiManual ConventionsThis manual uses a set of style conventions described below.Notes and Cautions are italicized with icons:A note icon informs you o

xiiTable of ContentsNotice for Users in the USA...iNotice for User

xiiiConnecting Peripherals 4-1Using Peripheral Devices...4-1Connec

xivAppendicesAppendix 1: Troubleshooting...A-1Appendix 2: Care & Main

xvOverview of ComputerIn the following diagram, the labels in italics refer to the chapter and page number inthis manual where you can find more infor

xviRight Side ViewDrive activityindicatorManual tray ejectbutton (recessed)Eject tray buttonDrive bay with CD-ROMdrive installedSee 2-15PC card slotSe

xviiRear ViewMonitor portSee 4-6Infrared portSee 5-1USB portSee 4-10Headphone jackSee 4-10Parallel/FDD portSee 4-11Modem jackSee 5-4(may not be availa

1-11CHAPTER 1 Fast StartYour new computer is ready to use as soon as you unpack it from the box. If you’refamiliar with computers, follow the instru

1-212. Plug the cable from the AC adapter into the AC adapter jack on the left side ofthe computer.3. Connect the power cord to the AC adapter.4. Plug

iiAbout the ModemThis equipment complies with Part 68 of FCC rules. On the bottom of thisequipment is a label that contains, among other information,

1-31Setting Up Windows 98Windows 98 is pre-installed on your computer, including the special drivers andsoftware used by built-in components such as

1-41• PC Card• Power Management• SystemTurning Off Your ComputerWhen you’re finished using your computer, turn it off with the following steps:1. Clic

2-12CHAPTER 2 Basic OperationsThis chapter describes some of the basic operations of your computer such as usingthe keyboard, adjusting the display,

2-22Power and Battery IndicatorsFor proper operations it is important to understand the operation of the power andbattery indicators located beside th

2-32Resetting the SystemYou may need to reset the system after adding hardware or software so that yourcomputer recognizes newly installed devices or

2-42Using the KeyboardThe built-in keyboard includes all the functions that you find on a full-sizedkeyboard. In addition, the keyboard has built-in h

2-52Windows KeysThere are two different Windows keys as shown below. The keyboard repeats theWindows Start key on either side of the Space bar.Windows

2-62Fn+Returns the Sys Request keystrokeFn+ InsertNumLkReturns the Num Lock keystroke – activates theembedded numeric keypadFn+Delete ScrLkReturns the

2-72Using the Glide PadYour computer has a built-in pointing device called a glide pad. The glide padconsists of the glide pad surface, a left button

2-82Changing the Glide Pad ConfigurationYou can change the way the glide pad operates in the Mouse Properties window.From Windows Start menu, select S

iiiThe Telephone Consumer Protection Act of 1991 makes it unlawful for any personto use a computer or other electronic device, including fax machines,

2-92Adjusting the DisplayThe most important adjustment you can make to the display is to set it to the bestviewing angle. The display contrast decreas

2-102Changing the Display PropertiesThe Windows Display Properties window lets you make many different kinds ofchanges to the appearance of the screen

2-112Controlling AudioYour computer is installed with a built-in speaker and a built-in microphone. Youcan use Windows Entertainment Accessories to pl

2-122Using the DrivesYour computer has three different drives; the internal hard disk drive, the CD-ROMdrive module, and the floppy disk drive module.

2-132CD-ROM driveThe CD-ROM drive lets you read information from CDs. Your computer identifiesthe CD-ROM as drive R: and it is a read-only drive. You

2-142Installing a Drive in the Drive BayThe drive bay on the right side of your computer can be installed with a CD-ROMdrive or a floppy disk drive. C

2-152Using the CD-ROM DriveIf the CD-ROM drive is installed in the drive bay, use it as follows.1. Locate and identify the three features on the front

2-162Using the Floppy Disk Drive ExternallyTo remove the floppy disk drive from the optional floppy disk drive box (CE-FC01),press the lock latch on t

3-133CHAPTER 3 Battery and Power ManagementThis chapter explains how to charge your computer’s internal battery and keep it ingood condition. It also

3-233Battery ChargingThe battery pack begins charging anytime your computer is connected to AC powerusing the AC adapter.If the battery pack is fully

ivNotice for Users in EuropeThis equipment complies with the requirements of Directives 89/336/EEC and73/23/EEC as amended by 93/68/EEC.Dieses Gerät e

3-333Battery Low WarningsThe battery low warnings are set using the Windows Power Management Propertiesapplication. See later in this chapter for a fu

3-433Battery ConditioningIf you feel that the battery charge meter in Windows is becoming inaccurate, werecommend that you ”condition” the battery usi

3-533Changing a Battery PackThe procedure to remove and install a battery pack is as follows:1. Turn off the computer, close the upper cover and turn

3-633Programmable Power ManagementYour computer supports ACPI (Advanced Configuration and Power managementInterface) which is a powerful feature of th

3-733Setting Power SchemesThe Power Management Properties window opens on the Power Schemes tab. Youcan use this window to create and name different P

3-833Resuming from Standby/suspend-to-RAM ModeYour computer will resume from a standby/suspend-to-RAM mode under thefollowing conditions:• The power b

3-933Use the check boxes to turn the Low battery alarm and the Critical battery alarm onor off. Use the slider bars to set the percentage of battery c

3-1033Power Management Hot-keysIn addition to the programmable power management, you can use the powermanagement hot-keys to directly control the powe

4-14CHAPTER 4 Connecting PeripheralsThis chapter describes how to connect your computer to peripheral devices using theinput/output ports on the rea

4-24Connecting Peripherals OverviewThe illustration below shows many of the peripheral devices that can be connected toyour computer.PC card slotModem

vCAUTION:TO PREVENT ELECTRICAL SHOCK, DISCONNECT THE AC CORD ANDTHE BATTERY BEFORE SERVICING.CAUTION:FOR A COMPLETE ELECTRICAL DISCONNECTION, PULL OUT

4-34Using PC CardsYour computer has a PC card slot on the right side. The PC card slot accepts type-1and type-II PC cards. It supports the 32-bit Car

4-44Configuring a PC Card1. The Windows operating system immediately detects the insertion of the card.2. If Windows recognizes the card it automatica

4-545. Push the eject button straight into the computer chassis so that it forces the PC cardout of the PC card slot.Push eject button straight into

4-64Connecting an External MonitorYou can connect an external monitor to your computer and then display the videooutput to either the built-in screen,

4-744. Use the check boxes to turn on or off the display to the built-in screen (calledLCD in this window) and the external monitor (called CRT for C

4-84When you connect an external monitor and turn on the computer, the system defaultsto a simultaneous display on the built-in screen.Press Fn+F5 one

4-949. Click on the monitor marked with a number 2. Windows asks if you want toenable the monitor as an extension of your Windows desktop. Click the

4-104Connecting HeadphonesYou can connect headphones to your computer so that you can listen to audio inprivate. When you plug headphones into the hea

4-114Connecting a PrinterMost printers connect through the parallel/FDD port on the rear edge of yourcomputer.Parallel/FDD portInstalling a Printer D

5-15CHAPTER 5 Communication FunctionsYour computer has two important features that let you establish communicationswith other computers and devices.

viSafety PrecautionsGeneral• Follow all cautions and instructions which may be marked on the computer.• Except as described elsewhere in this manual,

5-25As a default, the infrared port is turned off. When the infrared port is turned on, itcontinually emits infrared signals to try and find a receive

5-35File Transfers1. To send a file from your computer to another Windows 98 computer, useWindows Explorer to browse to the files you want to transfer

5-45Built-in Modem(may not available in somecountries)• The built-in modem may not be available in some countries.• You cannot use the built-in modem

5-55Connect to the telephone line directly. Do not use a distributor orallotter.Configuring the ModemYou may have already configured your modem during

5-65Hyper Terminal and Phone DialerYou can find these applications by opening the Start menu and selecting Programs,then Accessories, and then Communi

6-16CHAPTER 6 Changing or Adding OptionsThis chapter describes how you can change or add two important optional items toyour computer; a port replic

66-23. In the setup utility, open the Boot page and make the CD-ROM the first bootlocation. See Boot Page in Chapter 8 for more information.4. Insert

6-36Adding a Memory ModuleYour computer comes complete with 64 MB of main memory. This is plenty ofmemory for most applications. However, if you want

66-4Memory moduleEdge connectoron moduleEdge connector slot6. After the module is inserted into the slot, press it down flat into the compartmentso th

6-56Using the Optional Port Replicator (may not beavailable in some countries)The optional port replicator (model CE-DS02) provides a convenient “par

vii• Do not drop the computer nor hit it with other equipment.• Do not scratch the surface of the LCD screen.• Turn off the computer and disconnect th

66-6Port Replicator PortsThe port replicator ports are all located on the back side.PS/2KeyboardInfraredUSBTelephone (may not be available in some cou

6-76Before docking your computer to the port replicator, either turn off the computer orsuspend the computer by pressing the hot keys Fn+F12. After t

7-17CHAPTER 7 Security FeaturesThis chapter describes how to protect your computer against unauthorized use, andtheft.PasswordsSetting a password wi

77-2• Change diskette accessSetting the Password in the Setup Utility1. In the Security menu of the setup utility, select Set Supervisor Password or S

7-37Password RequirementsIf you have enabled Password on boot in the Security page of the setup utility, thesystem will ask for a password when the s

77-4Using a Security CableYou can prevent theft by connecting a laptop security cable to a fixed object andlocking the other end of the cable in the s

8-18CHAPTER 8 Setup UtilityThis chapter describes how to run the setup utility to change settings on yourcomputer.Running the Setup UtilityWith the s

8-286. When the message Setup Confirmation appears, press Enter again. The systemrestarts.To turn off the computer when the setup utility is open, pre

8-38Main PageSystem Time Defines the system time, using the format hour:minute:second (24-hour format). The Tab key moves the cursor, and the Space b

8-48Extended Memory Shows the size of extended memory beyond 1 MB.Advanced PageSerial port Sets the RS-232C serial port (only available on the optiona

viiiModem Precautions• Never install telephone wiring during a lightning storm.• Never install telephone jacks in wet locations unless the jack is spe

8-58Security PageSee Chapter 7 for detailed information on setting passwords in theSecurity page. Under some password settings, not all items areavail

8-68Power PageBecause your computer supports ACPI (Advanced Configuration and Powermanagement Interface), a powerful feature of the Windows 98 operati

8-78Resume on Time If you enable this item, the system can resume from suspend modeby an alarm set on the computer’s realtime clock.Resume Time If you

A-1TroubleshootingAppendix 1: TroubleshootingThis appendix describes how to troubleshoot problems with your computer.Common ProblemsProblems with you

A-2TroubleshootingTrouble when StartingQuestion: Why doesn't the power switch function?• Make sure the AC power cable is correctly connected to a

A-3TroubleshootingTrouble with the DisplayQuestion: Why is the screen blank?• Press any key to see if any power management feature has turned off the

A-4TroubleshootingTrouble with the Hard DiskQuestion: Why can't I read or write data to/from the hard disk?• Confirm the drive and file names are

A-5TroubleshootingQuestion: Why doesn't the glide pad function correctly?• Confirm the surface of the glide pad is completely dry and free from

A-6Troubleshooting• Confirm the item Serial Port is set appropriately in the Advanced menu of thesetup utility.Trouble with CommunicationQuestion: Why

A-7TroubleshootingOther TroublesQuestion: Why is the date and/or time incorrect?• Correct the date and time using the Date/Time icon in the Windows C

ixAbout This ManualNoticeInformation in this manual is subject to change without notice and does not represent acommitment on the part of SHARP Corpor

A-8CareAppendix 2: Care & MaintenanceThis appendix provides you with information on how to maintain your computer inexcellent working condition.Cl

A-9Care• Do not travel with the computer powered on. This may result in loss of dataand/or damage to the hard disk drive.• Disconnect the AC adapter

A-10SpecificationsAppendix 3: SpecificationsParts SpecificationsCPU Mobile Pentium III Processor (frequency differs byconfiguration)Secondary cache 25

A-11SpecificationsOptionsAC adapter...CE-A80VBattery Pack ...CE-BL08Floppy Disk Drive Box ...

Index-1IndexIndexAAC adapterfirst -time use, 1-1Audioconnecting headphones, 4-10controlling, 2-11hot-keys, 2-11BBatteryabout, 3-1changing battery pac

Index-2IndexIIndicatorspower and battery, 2-2Infrared communicationabout, 5-1eastablishing a connection, 5-2file transfers, 5-3postioning the ports, 5

Index-3Indexreset switch, 2-3warm boot, 2-3SSecuritylocking cable, 7-4passwords, 7-1Setup utilityabout, 8-1advanced page, 8-4boot page, 8-7entering a

Your computer and its accessories come securely packaged in a cardboard shipping carton. As you unpack your computer,please be sure to check for all o