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Winbook SX DX, Руководство пользователя

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MEMORY MENU SX/DX

 

Select the Memory menu item and the Memory menu will appear as shown below. This menu allows you
to enable shadow RAM and the cache, as detailed below. 

 

Fig. 8-10 The Memory Menu

 

[SX/DX 8-10] 

Shadow System BIOS

Shadowing is a function whereby the contents of the BIOS are copied into memory at boot up. This
upgrades performance for programs using extensive BIOS calls as the BIOS data can be accessed quicker
from memory than from the ROM chips. You should enable this item as indicated by the check mark
alongside the item. 

Shadow Video BIOS

 

Use this item to shadow the video BIOS, which will enhance overall performance. We recommend that
this item is enabled. 

Cache Enable

 

Cache memory is high-speed memory inside the 486 chip which is used to store frequently used data
which can than be accessed much quicker that when retrieved from the main memory each time. Enabling
the cache will provide a considerable increase in speed. 

 

1 of 1 3/2/99 12:53 PM

MEMORY MENU SX/DX file:///C|/test/HtmlHelp/TechhelpMEMORY_MENU_SXDX.html

Содержание SX DX

Страница 1: ..._______17 IC Cards _______________________________19 Hard Disk Drives _________________________20 Chapter 4 Using the Keyboard ___________________21 The Typewriter Keys ______________________22 Hot Ke...

Страница 2: ...______________52 Chapter 8 BIOS Setup Program ___________________54 Standard Settings __________________________56 Preferences Menu __________________________60 VGA Menu ______________________________...

Страница 3: ...k is IBM AT and MS DOS compatible and can run most software designed for use on IBM AT systems in an MS DOS environment including Windows and Windows applications The four models in the 486SX DX Winbo...

Страница 4: ...udes an integrated 80487 math coprocessor This provides more processing power for arithmetic intensive applications such as some graphics and data base programs Generally speaking with the exception o...

Страница 5: ...uding hard and floppy disk drives and an IC card unit see below the battery and all connectors Mainboard The mainboard is contained within the main system unit and is not visible to the user The mainb...

Страница 6: ...xels dots by 480 pixels The monochrome versions come with a built in monochrome VGA compatible LCD also with a resolution of 640 pixels dots by 480 pixels These displays take the place of the monitor...

Страница 7: ...e AC adapter and charger SX DX 1 4 3 One AC power cable 4 One battery pack 5 3 5 VGA Driver Utility PCMCIA program diskettes 6 One dual keyboard cable adapter 7 486SX DX WinBook User s Manual If any o...

Страница 8: ...ive Microsoft Windows is a graphical user interface GUI which takes over many of the functions of the operating system and is loaded on top of MS Dos Your system comes with Windows 3 1 pre loaded on t...

Страница 9: ...WinBook so you are looking at the rear of the system Locate the power socket according to the diagram below Figure 2 1 Locating the Power Adapter Socket Plug the cable attached to the power adapter in...

Страница 10: ...lightly further back or forward according to your preference The special hinge of the LCD allows you to position the SX DX 2 2 screen at any angle and it will stay fixed at that angle Usually to obtai...

Страница 11: ...ating the Power ON OFF Switch Press the switch and the Power ON LED indictor on the top of your 486SX DX WinBook will illuminate The backlight of the LCD screen will also come on and the system will t...

Страница 12: ...on the current lighting conditions and is important for obtaining the clearest possible image If nothing appears on the LCD screen when you turn on your computer it may be because the brightness cont...

Страница 13: ...nd LED on the LCD screen will illuminate To resume simply press the Suspend switch again and the display will be returned exactly as it was before The Suspend switch allows you to save power without h...

Страница 14: ...hat the Power LED also functions as a battery low indicator When the battery power is low the Power LED will flash 5 FDD LED The FDD Floppy Disk Drive LED will illuminate whenever data is being read f...

Страница 15: ...ey 10 Caps Lock LED The Caps Lock LED refers to the Caps Lock key on the 486SX DX WinBook s keyboard On a conventional keyboard this LED is usually situated on the keyboard itself When illuminated the...

Страница 16: ...e In this chapter we give a brief introduction to the use of floppy disk drives and diskettes hard disks and IC cards for those of you who are new to computing If you are an experienced computer user...

Страница 17: ...rive installed in your 486SX DX Winbook is a 1 44M drive In order to be able to take advantage of the full 1 44M capacity high density diskettes must be used Such diskettes are marked 2HD The WinBook...

Страница 18: ...it All diskettes must first be formatted before they can be used to store data If you insert an unformatted diskette into a floppy disk drive you will get an error message when you try to write to th...

Страница 19: ...slot that is situated next to the power switch on the left side of the 486SX DX WinBook When inserted into the unit when the power is on you will hear two beeps Two beeps will also be heard when the c...

Страница 20: ...her capacity hard disk drives are also available Taking Care of Hard Disk Drives Since the disks in a hard disk drive are unmovable there is no risk of damage as with floppy diskettes The drives thems...

Страница 21: ...onal PC keyboard and contains all the same functions The layout however is slightly different If you are familiar with a conventional PC keyboard you will soon get used to the 486SX DX WinBook keyboar...

Страница 22: ...e on the page But a computer recognizes a space as a character and treats it accordingly Thus especially in programming or when entering commands the presence or absence of a space can make a lot of d...

Страница 23: ...d returns the cursor to the left hand side of the screen In MS DOS and most other software packages the Enter key must be pressed to execute a command The Control Ctrl Key The Ctrl key is always used...

Страница 24: ...Control Keys The next group of keys is mainly used to control the movement of the cursor about the screen The Cursor Up Cursor Down Cursor Left and Cursor Right are used by most software packages to...

Страница 25: ...arely used but may be assigned some special function in some software Note that the PrtScn SysRq key has no action when in Windows The Scroll Lock Key The Scroll Lock key is a toggle key When engaged...

Страница 26: ...division sign the key becomes the P key becomes minus and the 0 key becomes multiplication sign With Num Lock on the numeric keypad is especially convenient for users who frequently need to use the k...

Страница 27: ...een images between normal contrast mode and automap contrast mode In automap contrast mode your computer optimizes the contrast automatically for certain applications software that runs in text mode C...

Страница 28: ...nown as a cold boot Sometimes when you are using your computer it will hang which means that the display will freeze and nothing you type on the keyboard seems to have any effect This is a fairly unco...

Страница 29: ...stomed to using MS DOS and other programs Please note that we have only explained a few of the most commonly used key combinations here and for further details you should refer to your MS DOS user s m...

Страница 30: ...viated description of what the program does For the rest of this manual we shall refer to it simply as DOS since there are operating systems available from other companies besides Microsoft DOS is als...

Страница 31: ...press Enter and the following will appear Current time is 18 12 51 26 Enter new time SX DX 5 2 Press Enter again and the DOS prompt will appear on your screen as below A The DOS prompt tells you that...

Страница 32: ...DOS user s manual At this stage the important point is to understand how the letter of the DOS prompt indicates the disk drive currently being addressed 2 of 2 3 2 99 12 32 PM LOADING DOS SX DX file C...

Страница 33: ...and name assuming your DOS diskette is inserted in the disk drive currently displayed in the DOS prompt For example if you loaded DOS from your a drive then to load a program from the DOS diskette you...

Страница 34: ...ram as shown below C WIN ENTER Windows will then be loaded from the C drive and you can begin using this program What command you have to issue to load a certain program will of course depend on which...

Страница 35: ...any free bytes remain on the diskette or disk The DIR command can be used for floppy diskettes or hard disk drives The DIR command can also be used to find information on one particular file Suppose y...

Страница 36: ...onger there If the file had been in the A drive you could have executed it as follows C DEL A LETTER TXT Enter C Obviously care should be taken when using the DEL command to ensure that you do not acc...

Страница 37: ...the version of DOS you are using TYPE Type a File to the Screen The TYPE command is used to view the contents of a file on your screen It can only be used to view text files not program files Text fil...

Страница 38: ...s Enter The FORMAT command will count through the heads and cylinders on your screen and when the procedure is finished the following will be displayed Format Complete 1457664 bytes total disk space 1...

Страница 39: ...available on the diskette It also tells you that your PC has a total of 655 360 bytes of memory and that currently 566 192 of those bytes are free The CHKDSK command can also be used to check the con...

Страница 40: ...a very user friendly operating system and the average user will never use many of the commands provided Indeed many of these commands will be fairly unintelligible to people unfamiliar with programmi...

Страница 41: ...ect a PS 2 mouse directly to the external keyboard port Extended VGA Drivers with an External CRT Monitor SX DX Note that if you connect an external CRT monitor you may wish to load one of the extende...

Страница 42: ...WinBook supports the connection of a wide range of commonly used devices just as is possible with a conventional desktop PC Devices include serial and parallel printers a mouse or scanner or any other...

Страница 43: ...the external keyboard socket Now turn your 486SX DX WinBook on again When an external keyboard is connected you may use either the internal keyboard or external keyboard to input data as both will be...

Страница 44: ...86SX DX WinBook If you have a multi frequency SX DX 6 2 monitor this probably supports both digital and analog modes If you wish to connect such a monitor to the 486SX DX WinBook you must configure th...

Страница 45: ...must ensure that you use your mouse software to configure the mouse as being connected to COM1 How to Connect a Mouse By way of an example we describe here the simple procedure for connecting a mouse...

Страница 46: ...pter Such adapters are available at any good computer store If you need to purchase such an adapter make sure that the 9 pin connector on the adapter is female Having obtained an adapter plug this ont...

Страница 47: ...e be connected to the parallel port on your 486SX DX WinBook Provided with the printer should be a printer cable Connect the matching connector on this cable to your printer and secure it in place wit...

Страница 48: ...e of additional disk drives The connector for the external docking station is situated behind the right hand cover on the rear panel The whole notebook should be plugged in to the docking station via...

Страница 49: ...ry on a custom memory module Memory expansion modules supporting 8MB 16MB and 32MB are also available Increasing the memory will greatly enhance the performance of programs that use large amounts of m...

Страница 50: ...o save the battery for use when power is not available The supplied AC adapter can be plugged into any power source from 90 volts to 240 volts since it is auto adjustable When you turn on your system...

Страница 51: ...attery is installed the battery cover should always be replaced The battery will provide at least two hours of usage before it will need to be recharged If you run the POWER EXE program more than two...

Страница 52: ...he battery is kept fully charged To obtain the best performance and prolong battery life you should continue to charge the battery for a further 30 minutes after the full charge indicator has flashed...

Страница 53: ...power management status For more information on the program see the user s manual or type HELP POWER at the DOS prompt SX DX 7 4 2 of 2 3 2 99 12 50 PM CHARGING THE BATTERY SX DX file C test HtmlHelp...

Страница 54: ...menu of the setup program will appear on your screen as shown below Fig 8 1 The BIOS Setup Program Main Screen SX DX 8 1 Use the cursor left right keys to move between the menu names at the top of th...

Страница 55: ...eatures to ensure maximum power saving when running off the battery Defaults Allows you to restore default settings Exit Allows you to save your settings and exit the BIOS setup program SX DX 8 2 2 of...

Страница 56: ...n your 486SX DX WinBook You may set the COM port as COM1 COM3 or COM2 COM4 COM Port A refers to the external serial port on your 486SX DX WinBook You may configure this port as COM1 or COM3 with a cho...

Страница 57: ...Fig 8 4 Setting the LPT Port Address SX DX 8 4 Diskette Drive Use the Diskette Drive item to define the floppy disk drive type By default the 486SX DX WinBook is set for a 1 44MB A drive and no B driv...

Страница 58: ...Select Standard for a standard fixed disk type and enter the relevant type number The number of cylinders heads etc will be displayed according to the hard disk drive type selected Select Custom if y...

Страница 59: ...None Video Display The Video Display item should be set as VGA Display to take full advantage of the 486SX DX WinBook s VGA compatible LCD display Fig 8 7 Selecting the VGA Video Display SX DX 8 6 4...

Страница 60: ...the numeric keypad will be enabled at boot up This is particularly useful when using an external keyboard Boot Speed Use this item to set the computer in fast or normal speed at boot up Select Fast Cl...

Страница 61: ...e system does include an internal hard disk drive Heat Regulation The system does not support this feature so no check mark should appear next to this item Modular Clock This refers to a hardware feat...

Страница 62: ...provided to improve the display of certain programs on the LCD screen SX DX 8 9 Text Mode Monochrome Models Only Select either Normal or Reverse for text mode In Normal mode programs running in text...

Страница 63: ...Some DOS programs may not work correctly in this mode and may be displayed incorrectly For these programs either disable this mode in setup or use Ctrl Alt F8 to temporarily change this 2 of 2 3 2 99...

Страница 64: ...icker from memory than from the ROM chips You should enable this item as indicated by the check mark alongside the item Shadow Video BIOS Use this item to shadow the video BIOS which will enhance over...

Страница 65: ...ent Screen SX DX 8 11 The screen is divided into three areas Controls System Options and Devices Select the controls menu to adjust the settings displayed in the Controls window as detailed below Cont...

Страница 66: ...an audible alarm at the time set If you enable the alarm you will then be required to enter the time at which you wish the alarm to be issued Enabling this item will cause the system to automatically...

Страница 67: ...system is turned completely off This mode is convenient for long term storage and conserves battery life When the system is turned back on the memory contents are restored from disk automatically and...

Страница 68: ...Ctrl Alt P hot key from DOS you will be returned to DOS Note The Ctrl Alt P hot key is not available from Windows DEFAULTS MENU Use this menu to recall all default BIOS settings You should then check...

Страница 69: ...ions should be taken to ensure that the system remains in good working order In this chapter we make some recommendations as to how to achieve the most reliable performance for the longest possible ti...

Страница 70: ...owing points Do not subject the 486SX DX WinBook to excessive shocks or severe vibration The hard disk drive installed in the system was designed to be shock resistant but within reason Do not place h...

Страница 71: ...ide of the assembly To do this follow the instructions below 1 Insert a paper clip safety pin or other small printed object into one of the two holes located on the retainment ring which surrounds the...

Страница 72: ...Figure 9 1 Cleaning the Trackball 2 of 2 3 2 99 12 56 PM CLEANING THE 486SX DX WINBOOK SX DX file C test HtmlHelp TechhelpCLEANING_THE_486SXDXWINBOOK_SXDX html...

Страница 73: ...problems POWER PROBLEMS I can boot up the computer but cannot run my software as the screen freezes This may occur infrequently when running the 486SX DX WinBook from the battery and when the battery...

Страница 74: ...ad from the monitor Check that the monitor is an analog VGA compatible model Digital monitors such as standard monochrome CGA or EGA models will not work with the external video outlet on the 486SX DX...

Страница 75: ...that all applications which ship with the WinBook e g the Windows Terminal program come pre configured with the modem at COM3 TRACKBALL PROBLEMS Why is the trackball cursor movement no longer smooth a...

Страница 76: ...get the PCMCIA slot to work Please refer to the additional documentation on using PCMCIA cards with your WinBook SX DX 9 8 4 of 4 3 2 99 12 56 PM PROBLEM SOLVING SX DX file C test HtmlHelp TechhelpPR...

Страница 77: ...to the industry standards EXTERNAL VGA MONITOR CONNECTOR Pin No Signal 1 Red Signal 2 Green Signal 3 Blue Signal 4 NC 5 Ground 6 Ground 7 Ground 8 Ground 9 NC 10 Ground 11 NC 12 NC 13 Horizontal Sync...

Страница 78: ...ONNECTOR Pin No Signal 1 Strobe 2 9 Data 0 7 10 Ack 11 Busy 12 PE 13 SLCT 14 Auto Feed 15 Error 16 Init 17 SLCTIN 18 25 Ground EXTERNAL KEYBOARD CONNECTOR Pin No Signal 1 PS 2 Data 2 Keyboard Data 3 G...

Страница 79: ...4 5V 5 PS 2 Clock 6 Keyboard Clock 3 of 3 3 2 99 12 57 PM APPENDIX A CONNECTOR PINOUTS SX DX file C test HtmlHelp TechhelpAPPENDIX_A_CONNECTOR_PINOUTS_SXD html...

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