NEC Versa Note Series Скачать руководство пользователя страница 40 | Manualshive

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1-32 Overview of the Versa Note

Parameter

Setting

Instructions

Suspend
Mode

[Suspend] / [Save To
Disk]

Select the type of Suspend Mode. If you choose
Save To Disk the system saves its state to disk
and power off. If you choose Suspend the
system saves its state but remains in a low
power mode. If you choose Suspend then you
also have the option to choose Auto Save To
Disk.

Auto Save To
Disk

[Off] / [After 1 Hour]

Turn on or off the Auto Save To Disk feature.
When Auto Save To Disk is turned on, the
system saves its state to disk and then powers
off after being in Suspend mode for a period of
time.

Hard Disk
Timeout

[Disabled] / [1 / 2 / 4 /
6 / 8 / 10 / 15
minutes]

Amount of time the hard disk needs to be
inactive before it is turned off.

Video
Timeout

[Disabled] / [1 / 2 / 4 /
6 / 8 / 10 / 15
minutes]

Amount of time the user input devices need to
be inactive before the screen is turned off.

Resume On
Modem Ring

[Off] / [On]

Enabled wakes the system up when an
incoming call is detected on your modem. If
‘Suspend Mode:’ is enabled, Resume on Ring
will not work when the Suspend Mode is set to
“SAVE TO DISK”.

Resume On
Time

[Off] / [On]

Enabled wakes the system up at a specific time.
If ‘Suspend Mode:’ is enabled, Resume on Time
will not work when the Suspend Mode is set to
“SAVE TO DISK”.

Resume Time

[Hour:Minute:Second]

Specify the time when system is to wake up.
Tab, Shift-Tab, or Enter selects field.

n

Power Switch – Select the behaviour of the power button.

n

Power Management Function – Battery only enables the power saving
management function when the system operates in battery power only.
[Always] enables the power saving management function when the
system operations either in AC power or battery.

n

Power Savings – Lets you choose one of four levels of power
management:



Maximum Power Savings conserves the greatest amount of system
power.



Maximum Performance conserves power but allows the greatest
system performance.



Disabled turns off the power management function.



Customized allows you to change related settings so that you can
define your own power management configuration. You can set the
following parameters:

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Содержание Versa Note Series

Страница 1: ...Side of the Notebook 1 17 IR Port FIR SIR 1 17 Thumb Wheel Volume Knob Controll 1 18 Built in CD ROM 1 18 Built in Diskette Drive 1 18 The Rear Side of the Notebook 1 18 PortBar Notches 1 18 AC Power Port 1 18 PS 2 Port 1 19 Printer Port LPT1 1 19 USB Universal Serial Bus Port 1 19 Expansion Port 1 19 Serial Port COM 1 1 20 VGA Port CRT 1 20 Audio Port 1 20 The Under Side of the Notebook 1 21 Memo...

Страница 2: ... Procedure 2 15 Memory Upgrade Procedure 2 16 Hard Disk Upgrade Procedure 2 18 System BIOS Upgrade Procedure 2 19 Software Functional Overview 3 1 Overview 3 2 Summary of the BIOS Specification 3 2 Subsystem Software Functions 3 3 Key Chipset Summary 3 3 System Memory 3 4 Video 3 4 Enhanced IDE 3 7 Audio 3 7 Super I O 3 7 PCMCIA 3 8 LED Indicator 3 8 Customer ID Support 3 9 Hot Keys Definition 3 9...

Страница 3: ...es 4 8 Clock Frequency Generator 4 10 Cache Memory 4 11 System Memory 4 11 System Memory 4 11 Video Memory 4 11 System BIOS 4 11 Video Subsystem 4 11 Video Chip Controller 4 12 Video Clock 4 13 I O Subsystem 4 14 PCMCIA Controller 4 15 Audio Subsystem 4 17 Keyboard and Pointing Device 4 18 Disk Drives Subsystem 4 19 Power Subsystem 4 20 AC Power Adapter 4 20 Internal Battery Pack 4 20 DC DC Module...

Страница 4: ...6 3 POST Messages 6 3 Informational Messages 6 5 Beep Codes 6 5 Explanation of test terms for beep code table 6 6 Beep codes for system board errors 6 6 Run time Error Messages 6 10 Quick Troubleshooting 6 10 Component Level Troubleshooting 6 14 General Overview 6 14 ADC Test Check 6 15 Starting Check 6 16 Memory Interface Check 6 16 CRT Interface Check 6 17 FDD Interface Check 6 17 HDD Interface ...

Страница 5: ...8 Notebook Specification 7 1 System Specification 7 2 Display Specification 7 7 Floppy Disk Drive Specification 7 8 CD ROM Drive Specification 7 8 Keyboard Specification 7 9 Touchpad Specification 7 9 Power Supply 7 10 Mechanical Specification 7 11 Environmental Requirements 7 11 ...

Страница 6: ...mation on setup and installation of drivers utilities and system upgrades Section 3 Software Functional Overview provides information on BIOS power and battery management and other settings Section 4 Hardware Functional Overview shows the system boards and the peripheral devices Section 5 Maintenance and Disassembly provides detailed instructions on how to disassembly the notebook and preventive m...

Страница 7: ...acknowledge DC direct current DIP dual in line package DLAB Divisor Latch Address bit DMA direct memory access DMAC DMA controller DOS disk operating system DRAM dynamic RAM ECC error checking and correction EDO extended data output EGA Enhanced Graphics Adapter EPROM erasable and programmable ROM EVGA Enhanced Video Graphics Array F Fahrenheit FAX facsimile transmission FCC Federal Communications...

Страница 8: ...t pixel picture element PLCC plastic leaded chip carrier PLL phase lock loop p p peak to peak PPI programmable peripheral interface PROM programmable ROM QFP quad flat pack RAM random access memory RAMDAC RAM digital to analog converter RAS row address strobe RGB red green blue RGBI red green blue intensity ROM read only memory rpm revolutions per minute R read RTC real time clock R W read write S...

Страница 9: ...1 Overview of the Versa Note n Introduction n Feature Highlights n System Configuration n Quick Tour of the Notebook n System BIOS Program n Notebook Accessories and System Options ...

Страница 10: ... notebook includes a powerful and upgradable Intel Mobile Module IMM microprocessor high speed IDE CD ROM drive 16 bit stereo audio capabilities large screen colour display high capacity disk drive and a PCI local bus video graphics accelerator It comes with a built in Windows 95 98 keyboard glidepad pointing device PCMCIA slots and advanced power management It also includes most of the I O ports ...

Страница 11: ...graphics accelerator with 2MB video memory Up to 1024x768 resolution for external CRT monitor at 64K colours 16 bit or 800x600 pixels at 16 million colours 24 bit True Colour HDD Built in internal 2 5 inch Enhanced IDE hard drive 3 2GB disk size with options for 2 1 4 0 6 4GB disk drives Supports Bus Mastering Ultra DMA feature Diskette Drive Built in 3 5 inch 1 44MB diskette drive with 3 Mode sup...

Страница 12: ... MIC IN Audio line out jack Audio line in jack Volume thumb wheel knob control Power System Universal Auto switching 50W AC Adapter 100V 240V Auto charging capability Rechargeable Li Ion 2800mAh 14 4V Battery Pack Over 2 hours of usage 3 hours quick charge computer off Power Management Windows APM 1 2 Compliant ACPI and DMI 2 0 BIOS Ready Suspend to RAM and Suspend to Disk feature Auto Suspend hot...

Страница 13: ...l Interface Memory Slot 0 8 16 32 64MB SODIMM Built in HDD PCMCIA Card Slot x 2 PS 2 Keyboard Keyboard PS 2 Mouse RS 232C Peripheral Printer Built in 3 5 FDD 16 Bit Audio System FIR Port External VGA Monitor or Memory Slot 1 8 16 32 64MB SODIMM Buillt in CD ROM Internal Modem or Internal LAN Docking Port Removable Battery PCMCIA Card Ext Mic Audio Line In Audio Line Out Game MIDI IR Equipped Devic...

Страница 14: ...s VGA graphics controller with 2MB of video memory All TFT SVGA or XGA Colour LCD models can support up to 64K colours 65 536 colours or 16 bit high colour The notebook also supports simultaneous display of the LCD with the external VGA monitor The LCD screen also uses CCFT Cold Cathode Fluorescent Tube backlighting which consumes much of the electrical power of the notebook To save battery power ...

Страница 15: ...pened or closed The LED turns green when the system is powered on using the AC Adapter battery Xtender Auto Adapter The LED turns amber when the battery power is low n Battery Charging LED Indicates the battery charging status The LED turns amber when the battery is charging The LED is off when the battery is fully charged n Suspend Mode LED Blinks green when the system is in Suspend mode ...

Страница 16: ...the system The Power button is also a Smart switch meaning that it recognizes when the system is in Suspend mode Pressing the Power button while in Suspend mode will bring it out of Suspend mode rather than power it off Note If you are unable to power off the system use the power override Press the power button and hold it in place for four seconds The system will then power off n Status LED Panel...

Страница 17: ...t the Caps Lock key on the keyboard is activated and all alphabet keys are in upper case letters n Scroll Lock When lit indicates that the Scroll Lock key on the keyboard is active n Num Lock When lit indicates that the Num Lock key on the keyboard is active The embedded numeric keypad blue print numeric keys is enabled Cover Switch The Cover switch is near the left hinge of the LCD panel Whenever...

Страница 18: ...depad internal microphone and the system speakers are located on the keyboard panel and base unit Below is a short description of each feature Keyboard Panel and Base Unit A Keyboard B Versa Glide C Internal Microphone D Internal Speakers n Keyboard Standard QWERTY key layout The notebook keyboard has 87 keys that provides complete emulation of a full sized enhanced desktop keyboard It includes Wi...

Страница 19: ...y controls power saving features and others Function Keys Twelve function keys F1 through F12 are available on the Versa Note keyboard These keys also work together with the Fn key to activate special functions Eight keys printed in blue are pre programmed with dual functions The following function key combinations are pre programmed for the Versa Note Function Key Combinations Function Keys Funct...

Страница 20: ... n Windows 95 98 keys Use this key to activate the Start menu of Windows 95 98 n Shortcut Application key Provides quick access to shortcut menus This key acts like a right mouse button n Cursor Control keys Cursor control keys move the cursor on the screen The cursor indicates where the next typed text is inserted and can be blinking underline block or vertical bar depending on the application n ...

Страница 21: ...Button B Right click Button C Glidepad To move the cursor place your finger lightly on the sensor pad and move in the desired direction If you reach the end of the pad lift your finger and place it back down on the other side The Glidepad is compatible with the standard PS 2 mouse and can be activated using the normal DOS or Windows IBM or PS 2 mouse driver You can also disable the glidepad in the...

Страница 22: ... in Stereo Speakers At the front left and right sides of the notebook s base unit are two built in mini stereo speakers The speakers are controlled by the notebook s audio controller and activated by installing the audio driver To adjust the volume of the speakers use the volume control program under Windows 95 98 or use the thumb wheel volume knob found on the left rear side of the notebook Inter...

Страница 23: ...the Lithium Ion Li Ion primary battery pack for off the cord operation The battery pack is instantly charged whenever you connect the AC adapter to the notebook Always have the battery installed on the notebook so it is always charged and conditioned by the AC adapter Note For new battery packs or for battery packs that are not used frequently fully discharge and recharge the battery before using ...

Страница 24: ... PCMCIA slot compartment comes with sliding doors so you can directly insert the PC card If you are using a Type III card insert the Type III card into the lower slot To remove the inserted PC card slightly push the button found on the left side of the PC slot to release the eject button Then push it again to release the PC card The upper left button releases the card on the top slot while the low...

Страница 25: ...omputer and an IR equipped computer or device You can also print to an IR equipped printer without connecting the printer cable The IR port supports two transfer rates standard IR SIR mode at 115 2Kbps and Fast IR FIR mode at 4Mbps See Chapter 2 to setup and configure the IR port driver under Windows 95 CAUTION When not using the IR port disable the COM2 port in the BIOS program to free up IRQ res...

Страница 26: ... copying and transferring data files The notebook also comes with a 3 mode driver for 1 2MB diskettes normally used in Japan You also have the option to disable the diskette drive or set a password option when accessing the drive in the BIOS program The Rear Side of the Notebook A PortBar Notches B AC Power Port C PS 2 Port D Printer Port E USB Port F Expansion Port G Serial Port H VGA Port I Audi...

Страница 27: ...t mode Note The default setting for the parallel port on your Versa Note is set to Enhanced Capabilities Port ECP Some older parallel devices may not function with the ECP default setting Run the BIOS program to adjust the settings USB Universal Serial Bus Port The USB Universal Serial Bus Port is a new generation port for PC97 system hardware design and has the symbol This 4 pin slim port allows ...

Страница 28: ...ook You can also run the LCD and the external CRT monitor display simultaneously or switch it to CRT only using the function hot key Fn F3 When switched to CRT only you can set the display resolution up to 1024x768 at 64K colours 16 bit high colour or 800x600 at 16 million colours 24 bit true colour Audio Port The audio port found at the back of the notebook provides the following input output jac...

Страница 29: ...Compartment Memory Compartment The memory compartment is found on the underside of the notebook Underneath the cover are two 144 pin SO DIMM memory slots for inserting and upgrading the system memory using 16MB 32MB and 64MB SO DIMM You can upgrade the memory up to 128MB Your system contains one SO DIM in the first memory slot The other slot is empty and available for upgrading your memory See Cha...

Страница 30: ...f Test If an error occurs an error message appears on the screen and prompts you to run the BIOS program When you see the NEC logo screen press the F2 key to run the BIOS program The BIOS program is organized into six menus which you can select using the ß ß and à à keys To move from one option to another use the up and down arrow keys BIOS Setup Menu The BIOS program screen contains the following...

Страница 31: ...ption of each setting follows the table To reset all parameters to the default settings select F9 or Load Setup Defaults from the Exit Menu and press Y BIOS Setup Parameters Default and Alternate Settings Parameter Default Setting Alternate Setting s Main Menu Language System Time System Date Diskette Drive A English US hh mm ss mm dd yyyy 1 44 MB 3 5 Japanese JP Disabled Primary Master Secondary ...

Страница 32: ...y only Disabled Customized Max Performance Max Power Saving Off 1 2 4 6 8 12 16 min Off 5 10 15 20 30 40 60 min Suspend Save To Disk Off After 1 Hour Disabled 1 2 4 6 8 10 15 min Disabled 1 2 4 6 8 10 15 min On Off On Off User Defined Boot Menu Bootup Sequence is described in numerical order ATAPI CD ROM Drive ATAPI CD ROM Drive Diskette Drive Hard Drive Exit Menu Exit Saving Changes Exit Discardi...

Страница 33: ...he system To set the date use the Tab Shift Tab or Enter keys to move from field to field Use the F5 F6 keys to change numbers within each field Diskette A Disabled 1 44 1 25 MB 3 Allows you to enable or disable the built in 1 44 1 25MB 3 diskette Note that 1 25 MB is the 1024 byte sector Japanese media format Internal HDD 3253MB Displays various parameters for the hard disk drive If type Auto is ...

Страница 34: ...nstructions Type None CD ROM User Auto Select the drive type corresponding to the fixed disk installed in your system When USER is indicated you can edit the Cylinders Heads Sectors fields Cylinders Heads Sectors Maximum Capacity Multi Sector Transfers Disabled 2 Sectors 4 Sectors 8 Sectors 16 Sectors Determine the number of sectors per block for multiple sector transfers LBA Mode Control Disabled...

Страница 35: ...thod for moving data to from the drive Autotype the drive to select the optimum transfer mode Using the Advanced Menu The Advanced menu allows you to configure the O S and I O device settings BIOS Setup Advanced Menu BIOS Setup Advanced Menu Options Parameter Setting Instructions PS 2 Mouse Enabled Disabled Enabled forces the PS 2 port to be enabled even if a mouse is present Disabled prevents any...

Страница 36: ...abled User configuration Auto BIOS or O S configuration Base I O address 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 Set the base I O address for serial port A Infrared port Disabled Enabled Auto Configure serial port B using options Disabled No configuration Enabled User configuration Auto BIOS or O S configuration Mode IrDA FIR Set the mode for serial port B Base I O address 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2...

Страница 37: ...abled Configure the floppy disk controller using options Disabled No configuration Enabled User configuration Note If you disable a device in Setup you cannot enable or assign it using the Windows 95 or 98 Device Manager The device is not listed in the Windows device list To control the device using the Windows device manager select any setting other than Disable in Setup Using the Security Menu T...

Страница 38: ...pecifies whether the system prompts you to enter a password when entering Setup Password on boot Disabled Enabled Enables password check when booting Password on Resume Disabled Enabled Enables password check during resume from Suspend mode Fixed disk boot sector Normal Write protect Write Protect enables write protect boot sector on hard disk to guard against viruses Normal disables this write pr...

Страница 39: ...ormance Select Power Management Mode Choosing modes changes system power management settings Maximum Power Savings conserves the greatest amount of system power while Maximum Performance conserves power but allows greatest system performance To alter these settings choose Customize To turn off power management choose Disable Standby Timeout Off 1 2 4 6 8 12 16 Minutes Amount of time the system nee...

Страница 40: ...ll is detected on your modem If Suspend Mode is enabled Resume on Ring will not work when the Suspend Mode is set to SAVE TO DISK Resume On Time Off On Enabled wakes the system up at a specific time If Suspend Mode is enabled Resume on Time will not work when the Suspend Mode is set to SAVE TO DISK Resume Time Hour Minute Second Specify the time when system is to wake up Tab Shift Tab or Enter sel...

Страница 41: ... after being in Suspend mode for a period of time n Hard Disk Timeout Allows you to select the amount of time the hard disk needs to be inactive before it shuts down n Video Timeout Allows you to select the amount of time the user input devices needs to be inactive before it shuts down n Resume On Modem Ring On wakes the system up when an incoming call is detected on your modem If Suspend Mode is ...

Страница 42: ...t this first if you want to boot from a bootable CD ROM like Windows NT Drive D How to Exit the Setup Program There are three ways to exit the Setup program n Exit Saving Changes Exits System Setup and saves your changes to CMOS n Exit Discard Changes Exits Setup utility without saving setup data to CMOS n Load Setup Defaults Loads the default settings for all items in Setup n Discard Changes Reve...

Страница 43: ...et Connect the adapter to the AC wall outlet using the power cord The LED on the AC adapter indicates that DC power is available Battery Pack Besides the AC adapter your computer can also be powered through the removable battery pack The battery pack uses rechargeable Lithium Ion Li Ion battery cells that can run for more than 2 hours when fully charged and power management enabled Recharging the ...

Страница 44: ...d The notebook allows you to insert a proprietary internal 56Kbps modem card underneath the palm rest panel The internal modem card supports voice fax and data communication It also comes with a communication software program for fax and modem including a speaker phone for teleconference calls You can connect the telephone line to the RJ 11 jack found on the right side of the notebook PortBar The ...

Страница 45: ...2 Installation and Upgrade n Overview n Notebook Drivers and Utilities n System Upgrades ...

Страница 46: ...221 PCMCIA Driver Windows 95 and NT 4 0 n SMC 37N769 Fast IR FIR Driver Windows 95 only n ALPs Touchpad Driver Windows 95 98 and NT 4 0 n Intel 430TX PCI Bridge Driver Windows 95 only for Tillamook n Intel 440BX PCI Bridge Driver Windows 95 only for Pentium II The notebook also comes with other optional devices that requires driver installation n Internal 56K Modem Module Windows 95 98 n Internal ...

Страница 47: ...s and enable 32 bit PC Card Install FIR Remove COM2 Device Add New Hardware COM Have Disk Add New Hardware IR Select COM2 Right click SMCIR INF Install Restart set to 4Mbps Install USB Remove USB Device Run USBSUPP EXE UHCD SYS at C WINDOWS SYSTEM Install PCIBridge Remove PCIBridge device Run TXUPDATE BAT or BXUPDATE BAT Restart Remove PCI Bus Device Windows will re install all PCI drivers Enabled...

Страница 48: ...n Before you run this option carefully consider the disk size needed for the STD partition The STD partition should be larger than the installed system memory RAM If you plan to install more memory in the future allocate more disk space Run PHDisk under DOS and leave around 5 of disk space or more for the non DOS partition This is used later by the PHDisk for the STD partition If you have run PHDi...

Страница 49: ...n the system and insert the Toshiba CD ROM driver diskette into the diskette drive n Change to the drive A directory and run the CD ROM installation program by typing the command A INSTALL n The INSTALL program automatically copies the CD ROM driver to your hard disk and modifies the AUTOEXEC BAT and CONFIG SYS batch files so the CD ROM drive is activated every time you boot the system n Remove th...

Страница 50: ...stallation is complete click the Monitor folder tab then click Change 8 Select Laptop Display Panel 800x600 if you have a SVGA LCD or Laptop Display Panel 1024x800 if you have an XGA LCD Then click Close 9 From the dialog box select your own preference by adjusting the resolution Desktop area and the colour Colour palette The ideal configuration is an 800x600 desktop area for SVGA LCD 1024x768 for...

Страница 51: ...program starts Click Next to continue installation 6 Select the option Upgrade Drivers and click Next The system prompts you to restart your computer Select Yes and click on Finish 7 After restarting the computer Windows 95 detects new hardware ESS Device Manager and prompts you for the disk labeled Maestro PCI Audio Device Multimedia Disk Click OK to continue 8 The New Hardware Found dialog box a...

Страница 52: ...igure properly to run smoothly If you only have a Windows 95 B version follow these steps 1 Go to Control Panel System Device Manager and double click on Other Devices to open the list of detected devices 2 Two PCI CardBus Bridge devices display Click on these two and remove them by clicking on Remove Click OK to confirm 3 Next double click on PCMCIA socket and click on PCIC or compatible PCMCIA c...

Страница 53: ...rmance and operation of the built in glidepad pointing device you may want to load the drivers and utilities included on the driver diskette Note It is not necessary to install the glidepad device driver The glidepad is fully compatible with the standard IBM or PS 2 Mouse driver used with all Windows operating systems Installing from Control Panel Follow this procedure to change from a standard Wi...

Страница 54: ...he ALPS touchpad driver disk APOINT INF in your diskette drive Confirm or correct the source file path normally A then click OK 8 Click VersaGlide then click OK 9 If returned to the property sheet Driver tab then click OK to copy the driver files to your system 10 The System Settings Change message offers to restart your computer so the new settings can take effect Click Yes Note After installatio...

Страница 55: ...he device SMC IrCC Fast Infrared Hardware and Driver 9 Click on the device and click Next Finish the installation and restart the system Windows 95 IrDA Program Installation After the device SMC IrCC Fast Infrared Hardware and Driver is properly configured as COM2 you now need to install the Microsoft Windows Infrared program 1 Insert the Windows 95 OSR2 compact disc into the CD ROM drive 2 From t...

Страница 56: ...eed to 4Mbps Note You need to install the Windows 95 Direct Cable Connection or LapLink for Windows in using the Fast IR for fast peer to peer data transfer connection Be sure to enable File Sharing on the Network Properties Refer to the SMC Release notes for more information For Windows 98 the SMC IR device is detected automatically and listed under the System Device Manager Ports Virtual Infrare...

Страница 57: ... for Tillamook 440BX for Pentium II module CAUTION Do not install the Intel PCIBridge driver from the Intel web site because it may not be entirely compatible with the Versa Note 1 Go to the Control Panel System Device Manager Click Other Devices and click on PCI Bridge Click Remove and OK to confirm 2 Go to the sub directory or diskette containing the PCI Bridge drivers If you are using a Tillamo...

Страница 58: ...300 MHz n Memory configuring the system memory up to 192MB n Hard Drive upgrading up to 4 1GB HDD n System BIOS updating to the latest BIOS date version Jumper Settings This section lists jumper settings IRQ3 Hardware Jumper Setting SW3 ON OFF 1 ISA IRQ3 CONNCET DISCONNECT ISA IRQ3 Note IRQ3 for MODEM test only in DOS mode Keyboard Select Jumper Setting SW3 2 3 US KEYBOARD OFF OFF JP KEYBOARD OFF ...

Страница 59: ...atures an MMC 1 connector for plugging in either a Pentium II or Tillamook Intel Mobile Module IMM The connector is located on the right side of the system motherboard You only need to set the CPU module jumper settings if you are replacing a Tillamook module to a Pentium II module or vice versa Refer to the previous section on jumper settings The jumper settings are located on the memory compartm...

Страница 60: ...o rectangular white connectors MMC 1 6 Three screws secure the upper corners of the CPU module Remove them and slowly pull out the CPU module CPU Module Location 7 To insert the CPU module again fit in the CPU module into the connectors and make sure it fits snugly Then secure the screws again Memory Upgrade Procedure The notebook computer offers two 64 bit memory slot using 144 pin SO DIMM Small ...

Страница 61: ...y installed in the socket When installing additional memory use the other empty socket 6 Align the notch with the notch in the socket connector and insert the module as follows Hold the SO DIMM at a 60 degree angle and align the SO DIMM connector with the socket in the system Push the connector into the socket Press down on the edge of the SO DIMM until the locking tabs on the sides snap into plac...

Страница 62: ...g each section of the palm rest cover from the base unit 3 When you remove the entire palm rest cover remove the cable attaching the glidepad to the daughterboard inside the unit 4 Once the cover is removed you see the built in hard disk secured with one screw at the upper left corner of the hard disk Remove the screw and carefully pull the hard disk module from the connector on the daughterboard ...

Страница 63: ...g utility The computer then starts to update the system BIOS inside the notebook 3 After programming is complete the system prompts you to press any key to shutdown the computer Power on again and check the BIOS version and date code The BIOS version and date code is shown on the Reference ID and Manufacturer ID during power on display Reference ID 10 112 3015 Manufacturer ID 0915 1200A n The firs...

Страница 64: ...Software Functional Overview n Overview n Summary of the BIOS Specification n Subsystem Software Functions n Power Management n ACPI n Battery Management n PIC16C62 UP n Miscellaneous n CMOS Setup Utility ...

Страница 65: ... 3 Mode FDD Supports maximum 4 different keyboards on same BIOS CPU Auto detects CPU type and speed for the Pentium based system DRAM Auto sizing and detection Supports SDRAM Cache Level 2 Synchronous Asynchronous SRAM auto sizing and detection Always enable CPU L1 and external L2 cache Shadow Always enable VGA and System BIOS shadow Display System auto detects LCD or CRT presence on boot and lid ...

Страница 66: ...POS Mode Suspend to RAM STR Mode Suspend to Disk STD Mode Soft Off Mode SOff Subsystem Software Functions This section provides an introduction to the software functions of the notebook subsystems and related functions Key Chipset Summary Following are the main chipsets used in the notebook Key Chipsets Controller Chip Vendor Description Processor INTEL PENTIUM II Intel Mobile Module IMM 233 266 3...

Страница 67: ...during the POST Power On Self Test process This is done in a way that requires no user interaction DRAM Combination Configuration Base SO DIMM DRAM slot Bank 0 1 Expansion SO DIMM DRAM slot Bank 2 3 Total Size 16MB NIL 16MB 16MB 16MB 32MB 16MB 32MB 48MB 16MB 64MB 80MB 32MB NIL 32MB 32MB 16MB 48MB 32MB 32MB 64MB 32MB 64MB 96MB 64MB NIL 64MB 64MB 16MB 80MB 64MB 32MB 96MB 64MB 64MB 128MB NIL 16MB 16M...

Страница 68: ...z 31 5 kHz 70 Hz 0 1 320 350 16 25 175 MHz 21 85 kHz 60 Hz 0 1 360 400 16 28 322 MHz 31 5 kHz 70 Hz 2 3 640 200 16 25 175 MHz 31 5 kHz 70 Hz 2 3 640 350 16 25 175 MHz 21 85 kHz 60 Hz 2 3 720 400 16 28 322 MHz 31 5 kHz 70 Hz 4 5 320 200 4 25 175 MHz 31 5 kHz 70 Hz 6 640 200 2 25 175 MHz 31 5 kHz 70 Hz 7 720 400 Mono 28 322 MHz 31 5 kHz 70 Hz D 320 200 16 25 175 MHz 31 5 kHz 70 Hz E 640 200 16 25 17...

Страница 69: ...6 0 MHz 31 5 kHz 37 5 kHz 43 3 kHz 60 Hz 75 Hz 85 Hz 112 640 480 16M 25 175 MHz 31 5 MHz 36 0 MHz 31 5 kHz 37 5 kHz 43 3 kHz 60 Hz 75 Hz 85 Hz 113 800 600 32K 40 0 MHz 49 5 MHz 56 25 MHz 37 8 kHz 46 9 kHz 53 7 kHz 60 Hz 75 Hz 85 Hz 114 800 600 64K 40 0 MHz 49 5 MHz 56 25 MHz 37 8 kHz 46 9 kHz 53 7 kHz 60 Hz 75 Hz 85 Hz 115 800 600 16M 40 0 MHz 49 5 MHz 56 25 MHz 37 8 kHz 46 9 kHz 53 7 kHz 60 Hz 75...

Страница 70: ... the drive is automatically recognized configured and available for use under MS DOS 6 2x Ultra DMA Ultra DMA 33 is a new physical protocol used to transfer data between an Ultra DMA 33 capable IDE controller and one or more Ultra DMA 33 capable IDE devices It utilizes the standard Bus Master IDE functionality and interface to initiate and control the transfer Ultra DMA 33 utilizes a source synchr...

Страница 71: ...r ISA IRQ style n Supports Zoom Video with internal buffering Top Slot n Support for 3 3v 5v and 12v flash programming cards LED Indicator The Status LED indicator provides the following functions System Status LED LCD panel side Indicator Function Description Power LED Green System is powered on Yellow Battery warning When plugged into an AC adapter the power LED will turn Green Amber Battery low...

Страница 72: ...sion displays on the screen as jjjj kkkk llll n Machine ID FFF40h FFF41h 43h 4Dh for Tillamook 43h 4Eh for Pentium II n BIOS version FFF42h FFF4Dh jjjjkkkkllll BIOS VGA PIC version in ASCII The Machine ID and BIOS version is in shadow RAM Not in ROM Hot Keys Definition All hot keys must be active at all times under all operating systems Hot Keys by Internal Keyboard Hot Key Function Handler Fn F3 ...

Страница 73: ...agement Level BIOS Handler Note The hotkey for the Power Management Level responds with various beep sounds one beep PMU off two beeps customized three beeps maximum performance four beeps maximum power saving Port Replicator Docking Station The PortBar duplicates the following ports from the notebook n VGA Port n Serial Port n Printer Port n PS 2 port for Keyboard n PS 2 port for Mouse n USB Port...

Страница 74: ...er Board Static 80 Keyboard Controller Static 60 64 IRQ1 Math Coprocessor Static F0 FF IRQ13 PS 2 Mouse Enable Disable IRQ12 Video Controller Static 3B0 3BB 3C0 3DF IRQ5 A0000 BFFFF C0000 C9FFF FE800000 FEBFFFFF Serial Port Dynamic 3F8 3FF IRQ4 ECP Parallel Port Dynamic 378 37F 778 77F IRQ7 DMA1 FDC Static 3F0 3F5 3F7 IRQ6 DMA2 Dual IDE Controller Static 170 177 1F0 1F7 3F6 IRQ14 15 CardBus Contro...

Страница 75: ...ce 04 Function 0 ESS Maestro 2 Audio Accelerator AD17 Device 06 Function 0 MODEM Function 0 PIIX4 PCI to ISA bridge Function 1 PIIX4 IDE interface Function 2 PIIX4 USB interface AD18 Device 07 Function 3 PIIX4 PMU and SMBus interface Function 0 PCI1221 CardBus Socket A AD21 Device 0A Function 1 PCI1221 CardBus Socket B INT Pin Allocation INT pin PCI Device INTA CardBus INTB Modem INTC VGA Audio IN...

Страница 76: ...ure range Tos 48 C Thyst 52 C IMISC671 Clock Synthesizer Slave D2h Program the desired clock frequency Pin23 output 24 MHz Pin22 output 48 MHz BQ2092 Smart Battery Both Host and Slave 16h No need Resource Allocation The following tables describe the resource allocations Device Addresses Hex Address Device 000 01F 8237 1 020 021 8259 1 022 430TX control Register 040 05F 8254 060 06F Keyboard Contro...

Страница 77: ...537 Windows Sound System 778 77B ECP Port A79 PnP configuration Write data port CF8 CFC PCI BUS configuration register ISA DMA Map DMA channel Device DMA 0 FIR DMA 1 ECP DMA 2 Floppy Disk DMA 3 Audio DMA 4 Cascade DMA 5 Unused DMA 6 Unused DMA 7 Unused Memory Map Address Range Length Description 00000 9F7FFh 638KB Base Memory 9F800 9FFFFh 2 KB Extended BIOS Data Area A0000 BFFFFh 128 KB Video Memo...

Страница 78: ...Drive IRQ 15 CD ROM Power Management This section provides the Power Management functions of the notebook General Requirements The BIOS meets the following general Power Management requirements n Compliant with APM 1 2 Specification n Full APM Support for Windows 95 Fuel Gauge and Power Management functionality n Support for Suspend to RAM and Suspend to Disk mode n Support for Resume on Modem Rin...

Страница 79: ...0V 5V always NIL PIC 16C62A 3V always NIL RTC I F Internal modem ring RTCVCC NIL RTC 12V PWRON PCMCIA Card 5V PWRON BIOS ROM M38867 MAX32443 PCMCIA Slot 5V VCC 3V PWRON VGA Video RAM PCMCIA chip PCMCIA Slot 3V DRAM 440BX DRAM I F 3VS SUSB Audio PIIX4E ISA I F Power Clock Generator FIR IM1651 SCLK TAG RAM PCI Interface Super I O 5VS SUSB HDD CD ROM USB Internal K B Glide Pad External PS 2 Mouse FDD...

Страница 80: ...Software Functional Overview 3 17 Power Management Mode Transition Flow Chart ...

Страница 81: ... of the powered on suspend POS state The PIIX4 also provides a resume timer that allows the system to resume after a programmed time has elapsed Suspend to RAM STR A suspend state where all motherboard components are powered off The CPU L2 and PCI busses are powered off All devices connected to the CPU L2 and PCI busses must either be powered off or isolate their bus interfaces The system memory i...

Страница 82: ... Indicator Schedule Alarm Battery Low Lid Open STD Suspend Time Out battery Low FN Sleep Button Sleep Button Ring Indicator internal Modem Schedule Alarm Soft Off Sleep Button Execute Win 95 shutdown command Sleep Button Ring Indicator By internal Modem only Schedule Alarm Lid Switch Display Mode Power State Lid Close Lid Open LCD Full on STR Resume Stand by STR Resume STR Not active Resume STD No...

Страница 83: ...n Suspend Power on STR STD STR STD STR STD Full on Full on Note The Power Sleep Button can work as a Power Button or Sleep Button The working mode is selected from the CMOS setup menu If you cannot resume properly from Suspend by pressing the Sleep button press and hold it for 4 or more seconds to power off the system The mode STR STD can be selected via CMOS Setup ...

Страница 84: ...Power Off Power Off KBC ON ON Power down Power Off PIC 16C62 ON ON Power down Power down VGA VRAM ON Power down Power down Power Off TI1221 PCMCIA ON Power down Power down Power Off Sound ON Power down Power Off Power Off LCD Backlight ON Power down Power Off Power Off Serial UART1 ON Power down Power down Power Off IR Port UART2 ON Power down Power Off Power Off Modem ON Power down Power down Pow...

Страница 85: ... Power Down Controlled By Description MTXC 440BX Hardware Controlled by SUS_STAT 1 pin Super I O Chip Hardware Controlled by SUSB Pin VGA Chip Software Controlled by GPO 8 pin HDD Hardware Controlled by SUSB Pin CD ROM Hardware Controlled by SUSB Pin PCMCIA Controller Software Controlled by GPO 30 pin Modem Hardware Controlled by SUSB Pin FDD Hardware Controlled by SUSB Pin Audio Chip Hardware Con...

Страница 86: ...43 RS232 Transceiver Hardware Power Off L2 CACHE Hardware Power Off PIC 16C62 Software Controlled by PIC 16C62 power down command ACPI This section provides the ACPI software function of the notebook General Requirements The BIOS must meet the following general Power Management requirements n Refers to the portion of the firmware that is compatible with ACPI specifications n Support for Suspend to...

Страница 87: ...power states are dynamically changed The user selects through some user interface various performance power characteristics of the system for optimal software performance or battery life The system responds to external events in real time It is neither safe nor recommended to disassemble the machine in this state Sleeping State Definitions Sleeping states Sx states are types of sleeping states wit...

Страница 88: ...ted by ACPI In order to reduce the power to a minimum it is assumed that the hardware platform has powered off all devices All platform context is saved to disk S5 Soft Off State The S5 state is similar to the S4 state except the OS does not save any context nor enable any devices to wake the system The system is in the Soft Off state and requires a complete boot when awakened To distinguish wheth...

Страница 89: ...S3 OSPM control Sleep Button Lid Close Sleep Button Ring Indicator Schedule Alarm Lid Open PME Battery Low S4 OSPM control Fn Sleep Button Sleep Button Ring Indicator Schedule Alarm PME S5 OSPM control OSPM OS directed Power Management Battery Management The following section describes battery management indicators Battery Subsystem The AMBER supports both the Li Ion and the Ni MH Battery Pack Onl...

Страница 90: ...en the power management is disabled n The power on and Resume functions are inhibited until the battery low condition is removed AC Adapter When you plug in the AC adapter the following occurs n The battery charges n The Battery Charging Indicator is lit while the battery is in charging mode n The power management function is disabled if the Power Management Mode setup parameter is set to Battery ...

Страница 91: ...nd to PIC16C62 Slave address is 04h n Read data from PIC16C62 Slave address is 05h 5 Write the desired command to SmbHstCmd register 6 Write the desired parameters to SmbHstDat0 High byte and SmbHstDat1 Low byte registers if the system wants to send commands to PIC16C62 7 Wait for SMBus interrupt occurred by monitoring SmbHstSts register INTR bit 8 Get the desired data by reading from SmbHstDat0 H...

Страница 92: ...d byte Read primary battery DQ_FLGS1 0x07 read byte Read primary battery DQ_TMPGG 0x08 read byte Read primary battery DQ_FLGS2 0x09 read byte Read primary battery DQ_PPD 0x0A read byte Read primary battery DQ_PPU 0x0B read byte Read primary battery DQ_VSB 2014 0x0C read byte Read primary battery DQ_VTS 2014 0x0D read word byte 0 byte 1 Read primary battery DQ_NAC NACH NACL 0x0E read word byte 0 by...

Страница 93: ...s NACL2 NACL1 0x19 read word byte 0 byte 1 Read LCD contrast brightness brightness contrast 0x1A reserved 0x1B reserved 0x1C reserved 0x1D reserved 0x1E reserved 0x1F reserved 0x20 write byte System command 0x20 00 NOP 0x20 01 System suspend request 0x20 02 System resume from suspend 0x20 03 Mask PICSMI BAT_L BAT_LL 0x20 04 Enable PICSMI BAT_L BAT_LL 0x20 05 Battery low LED blinks 0x20 06 Turn off...

Страница 94: ... suspend Issue a low pulse 100mS 0x20 17 Set suspend LED ON 0x20 18 Set suspend LED OFF 0x20 19 Stop PWM1 PWM2 function 0x20 1A Resume PWM1 PWM2 function 0x20 1B Mask modem ring resume 0x20 1C Enable modem ring resume 0x21 write byte Set LCD contrast level 0x22 write byte Set LCD contrast max value 0x23 write byte Set LCD contrast min value 0x24 write word byte 0 byte 1 Set LCD adjust scale contra...

Страница 95: ...ssword The lower priority is the User Password The Supervisor Password can access all the system resources while the User Password may not access the floppy disk while it is protected by a Supervisor Password When the security function is enabled the system will request the user to enter a password n Power On The system will prompt the user to enter a password before booting the OS If the user ent...

Страница 96: ...face CMOS Setup Utility The Setup utility is used to configure the system The Setup contains the information regarding the hardware for boot purposes and the changed settings will take effect following a system reboot For more detailed information on running the BIOS Setup Program refer to Chapter 1 ...

Страница 97: ...et Summary n System Processor CPU n System Core Logic n Clock Frequency Generator n Cache Memory n System Memory n System BIOS n Video Subsystem n I O Subsystem n PCMCIA Controller n Audio Subsystem n Keyboard and Pointing Device n Disk Drives Subsystem n Micro P Subsystem PIC 16C62 ...

Страница 98: ...Mobile Module IMM using TAG RAM and DATA RAM n Video Subsystem implemented on the motherboard and on the LCD Panel for supporting the LCD and CRT n PCMCIA Subsystem implemented on the motherboard using the TI PCI1221 PCMCIA controller chip n Audio Subsystem implemented on the motherboard n Keyboard and Pointing Device Subsystem implemented on the AIO board the Keyboard assembly and the Glidepad as...

Страница 99: ...Hardware Block Diagram System Hardware Block Diagram Note The Video PCMCIA and Sound subsystem are PCI bus design All of the core commands are synchronized by PCI clock to improve performance CPU BURST SRAM TAG SRAM MTXC 443BX 430TX DRAM PIIX4EE HA HD M38867 INT K B PS2 MOUSE EXT K B G P 37N769 PRINT COM FDD FIR BIOS 32PLCC HDD1 HDD0 USB1 USB0 VGA NM2160 CRT LCD TI 1221 PCMCIA0 PCMCIA1 ES1968S AC9...

Страница 100: ...s on Intel Mobile Module IMM based on MMC 1 pin assignment It supports Intel Pentium II with 233 266 MHz and Tillamook IMM CPU with 233 MHz clock speed The processor operates in conjunction with the RAM and ROM memory and the system control logic e g Intel 440BX 82443BX MTXC to process software instructions BIOS Windows and Applications Mobile Pentium II Features The Intel Pentium II processor Mob...

Страница 101: ...hree times the bandwidth performance over single bus processors By combining two independent system buses for simultaneous parallel access to data mobile Pentium II processors provide an open road for high demand applications n Dynamic Execution Like their desktop counterparts mobile Pentium II processors combine three innovative data processing techniques to manipulate data more intelligently and...

Страница 102: ...nd is based on a set of performance enhancements to PCI The 82443BX functions and capabilities include n Processor host bus support Optimized for Pentium II processor at 66 100MHz system bus frequency n Integrated DRAM Controller 8 Mbytes to 512 Mbytes main memory Supports up to 4 double sided DIMMs 64 bit data interface with ECC support SDRAM only Unbuffered and Registered SDRAM Synchronous DRAM ...

Страница 103: ...sktop support for system suspend resume i e DRAM and power on suspend Dynamic power down of idle DRAM rows SDRAM self refresh power down support in suspend mode Independent internal dynamic clock gating reduces average power dissipation Static STOP CLOCK support Power on Suspend mode Suspend to DRAM ACPI compliant power management n Packaging Voltage 492 Pin BGA 3 3V core and mixed 3 3V and GTL I ...

Страница 104: ...el 380FB PCIset which implements a PCI ISA docking station environment PIIX4 supports two IDE connectors for up to four IDE devices providing an interface for IDE hard disks and CD ROMs Up to four IDE devices can be supported in Bus Master mode while PIIX4 contains support for Ultra DMA 33 synchronous to DMA compatible devices PIIX4 contains a Universal Serial Bus USB Host Controller that is Unive...

Страница 105: ...rt for Advanced Configuration and Power Interface ACPI Revision 1 0 Specification and OS Directed Power Management n Integrated IDE Controller Independent Timing of up to 4 Drives PIO Mode 4 and Bus Master IDE Transfers up to 14 Mbytes sec Supports Ultra DMA 33 Synchronous DMA Mode Transfers up to 33 Mbytes sec Integrated 16 x 32 bit Buffer for IDE PCI Burst Transfers Supports Glue less Swap Bay O...

Страница 106: ...lock n Microsoft Win95 Compliant n 324 mBGA Package Clock Frequency Generator The notebook utilizes the IMI XG571 chip to supply the system clock needed to run the computer The following are the available clock frequencies n System clock Clock generator XG571 support running on 3 3Vor 2 5V for Tillamook 60 66 MHz for Intel Tillamook Mobile CPU at 233 MHz 60 66 MHz for Pentium II Mobile Module at 2...

Страница 107: ...the possible memory configurations Video Memory The video memory of the notebook is embedded inside the VGA controller chip 128 bit bus NMG4 interface with 2MB video memory that can support display resolutions of up to 1024 x 768 at 256K colour TFT LCD System BIOS The notebook utilizes the Phoenix BIOS 4 0 Release 6 0 Basic I O System that contains both the main system BIOS and the VGA BIOS with S...

Страница 108: ...odes with up to 75Hz CRT 256 64K colours at 1024x768 16M colours Video playback in all modes n Video Acceleration Features Video acceleration over 30fps with 16M displayable colours in all modes Bandwidth designed to support MPEG2 video acceleration at 1024x768 resolution Hardware video overlay with Horizontal and Vertical bilinear scaling and filtering with interpolation Scaling to any arbitrary ...

Страница 109: ...nd Windows 95 J DirectDraw tm DirectVideo tm ActiveMovie tm and DCI 1 6 support for Video for Windows tm VPM and VPE video capture support under Windows95 and Windows NT 4 0 OS 2 r 2 X Warp tm 3 0 4 0 Windows NT tm 3 5X Windows NT 4 X ACPI support n Full featured VGA tm compatible BIOS VESA 1 2 and 2 0 extensions VBE 2 0 Power Management Interface support VESA Flat Panel Extensions FPE 1 0 System ...

Страница 110: ...ChiProtect circuitry plus EPP and ECP support game port chip select logic and two floppy direct drive support Features Summary of the FDC37N769 chip n 3 3Volt Operation n Intelligent Auto Power Management n 16 Bit Address Qualification optional n 2 88 MB Super I O Floppy Disk Controller Licensed CMOS 765B Floppy Disk Controller Supports Two Floppy Drives Directly Supports Vertical Recording Format...

Страница 111: ...ge PCMCIA Controller The PCMCIA controller of the notebook is implemented on the motherboard using the Texas Instruments PCI 1221 PC Card Controller The notebook supports PCMCIA double deck slots that support insertion of two Type I II cards at the same time or one Type III card The Type III card is inserted into the bottom slot For ZV function PC cards you insert it into the top slot The TI PCI12...

Страница 112: ... Compatible with 3 3V and 5V PCI Signalling Environments n Mix and Match 5V 3 3V PC Card16 cards and 3 3V CardBus cards n Supports Two PC Card or CardBus Slots with hot insertion and removal n Uses Serial Interface to TI TPS2206 Dual Power Switch n Supports Burst Transfers to Maximize Data Throughput on Both PCI Buses n Supports Serialized Interrupt request IRQ with PCI Interrupts n 8 Way Legacy I...

Страница 113: ...al microphone line inputs and headphone outputs n The ESS ES1968S Maestro 2 digital audio accelerator is a highly integrated PCI audio solution that brings advanced audio features to notebook and desktop systems These features include a 64 voice wavetable synthesizer with Downloadable Sample DLS and complete DirectSound acceleration The Maestro 2 proprietary technology supports both Microsoft PC97...

Страница 114: ...0 bit ADC DAC audio resolution n Complies with Microsoft s ACPI 1 0 and PPMI 1 0 D0 D3 n 3 3V power supply 5V input tolerant n Supports up to 12 GPIO pins n Secondary CODEC interface n 100 Pin TQFP package Keyboard and Pointing Device The Keyboard Subsystem of the notebook is implemented on the Motherboard and Keyboard Assembly using the Mitsubishi 38867M8 keyboard controller chip and the Phoenix ...

Страница 115: ...is the sensor surface with electronic components mounted on the other side The sensitive area is protected by a layer of smooth and durable mylar The ALPS touchpad communicates with the host via a standard PS 2 mouse or trackball interface It is fully compatible with the standard Microsoft mouse driver The module connector includes the PS 2 signal pins power supply pins and two connections for ext...

Страница 116: ...imately 2 5 hours when computer is turned off and 8 hours when the computer is running Running time of battery is approximately 2 to 2 5 hours DC DC Module of Motherboard The DC DC module receives approximately 12VDC from the battery pack and uses this input voltage to generate multiple regulated output voltages to provide power for all internal notebook board assemblies LCD Inverter Board Assembl...

Страница 117: ...sired data by reading from SmbHstDat0 High byte and SmbHstDat1 Low byte registers if the system wants to read data from PIC16C62 Features Summary of the Micro P n 5 channels 8 bit analogue to digital converter n Timer0 8 bit tuner counter with 8 bit prescaler n Timer1 16 bit timer counter TMR1 can be incremented during sleep via external crystal clock n Timer2 8 bit timer counter with 8 bit period...

Страница 118: ...5 Maintenance and Disassembly n Preventive Maintenance n Required Tools and Equipment n Field Replaceable Parts and Assemblies n Parts Removal and Replacement Procedures ...

Страница 119: ... the disk drives and data back up the system disk periodically on floppy diskettes Periodically use a head cleaning diskette in the diskette drive to prolong the life of the drive and to help maintain data integrity Maintaining the LCD Quality When it comes to screen problems heat plays a big part After a good working session the typical routine is to shut down the machine and close the cover But ...

Страница 120: ...e cycle always observe the following precautions when handling the battery packs n Do not drop the battery packs or subject them to excessive shock or vibration n Do not expose the battery packs to direct sunlight moisture or chemical compounds n Do not disassemble the battery packs n Do not use the battery packs to power other devices n Do not shorten the battery leads or connect the battery with...

Страница 121: ...d the system unit assembly Notebook Assembly Cover Display LCD Assembly The cover display LCD assembly includes the following major field replaceable units parts FRUs n LCD Face and Back Panel Cover These parts cover the entire LCD panel assembly which includes the LCD display module the LCD FPC cables and the inverter board n LCD Display Module 12 1 and 13 3 LCD Liquid Crystal Display screen used...

Страница 122: ...circuit board also includes the function for displaying the power status and battery charge LED indicators n LCD FPC Cable The LCD FPC cable converts output signals from the motherboard in driving the LCD display screen The cable connects to the back of the LCD panel Cover LCD Display Assembly System Unit Assembly The system unit assembly consists of several assemblies that are divided into two ma...

Страница 123: ...O board of the system unit n Keyboard Panel Assembly The keyboard is assembled on top of the system unit and connects to the IO board s keyboard FPC type connector The keyboard is also secured on the system s top unit casing There are no screws attached to the keyboard n Heat Plate and Fan Exhaust Unit The fan exhaust unit is assembled on the right side of the system unit It contains a heat plate ...

Страница 124: ...se Unit Assembly n Battery Pack This is an easily replaceable part The battery pack is found on the right side on the base unit and can be easily removed by pressing the latch under the unit and pulling the battery out by its handle The battery pack is replaced as a whole and must not be opened for repair ...

Страница 125: ...e charger board n CD ROM Drive Assembly The CD ROM drive assembly is attached on the left end side of the base unit and is only secured with one screw The CD ROM drive module includes a metal bracket with six screws and the FPC cable connector n Floppy Disk Drive Assembly The floppy drive assembly is located on the front left side of the base unit It attaches to the unit with two screws one on the...

Страница 126: ...system base unit case is where the motherboard is placed It includes openings for the battery FDD CD ROM and PCMCIA equipment Parts Removal and Replacement Procedures This section contains the field service level removal replacement procedures for the notebook The notebook is designed for optimum modularity in order to make field replacement and maintenance easy and efficient Removing the Battery ...

Страница 127: ...er is the glidepad module assembly Remove first the four screws on the glidepad converter board that connects the glidepad wire cable Also remove the FPC cable connected to it 6 When the converted board is removed you can remove the select button bracket casing covering the glidepad board 7 Replace a new glidepad module and reverse the procedure to reassemble Removing the Keyboard and Heat Plate T...

Страница 128: ...l the keyboard cable Remove the entire keyboard Removing the Keyboard Assembly Removing the LCD Panel The procedure to remove the LCD Panel is as follows 1 To remove the entire LCD panel first pull out the LCD hinge cover found at both rear corners of the system unit where the LCD panel is attached 2 There are two screws securing both LCD hinges to the system unit Remove the screws to separate the...

Страница 129: ...3 Remove the round screws secured at both ends at the rear of the system unit on the I O port 4 Underneath the base unit there is an additional screw located on the middle back end near the I O port which needs to be removed 5 Slowly unsnap the top case bracket from the bottom case Pull out the top case Removing the Internal Hard Disk Drive The procedure for removing and replacing the internal har...

Страница 130: ...removing the I O board and charger board first disassemble the glidepad keyboard heat plate hard disk LCD panel and upper casing 2 The I O board is plugged into the centre of the motherboard The I O board is also where the FDD cable speaker cable hard disk cable glidepad cable audio cable and CMOS are attached Remove all cables connected to it 3 There are two screws securing the I O board found at...

Страница 131: ...d to remove the LCD panel and upper case as the CPU module is easily accessible after the keyboard and heat plate have been removed 2 The CPU module is located at the lower right side of the motherboard The CPU module is a rectangular module with two heat sinks on top of the chipset Removing the CPU Heat Plate Charger Board AIO Board CMOS Battery Internal Microphone Speaker Keyboard connector FDD ...

Страница 132: ...isassemble the glidepad keyboard heat plate hard disk LCD panel and upper casing 2 The CD ROM module is found at the upper left side of the base unit Removing the CD ROM Module 1 To remove the CD ROM module remove the screw securing the CD ROM bracket and cable see the figure on page 5 13 and pull out the cable from the connector 2 Slowly slide the CD ROM module out of the base unit 3 To replace t...

Страница 133: ...d I O board The FDD cable is also connected to the I O board which needs to be detached 2 The FDD module is connected to the lower left side of the base unit just on top of the hard disk drive Removing the FDD Module 3 Remove the screw securing the upper right side of the FDD metal bracket 4 Slowly lift and remove the entire FDD module from the base unit 5 To replace the FDD remove the metal brack...

Страница 134: ...upper right side Slowly pull out the DC DC board Removing the Internal Speaker The internal speakers are connected to the front left and right side of the base unit assembly Both speakers are connected to the I O board with wire cable Follow this procedure to remove the internal speakers 1 Before removing the internal speakers first disassemble the glidepad and the hard disk 2 The internal speaker...

Страница 135: ...lts Two are located at the right end side one located near the CPU module connector and the other located near the nose of the PCMCIA slot connector 3 Remove the long hex bolt located at the right side of the CD ROM module connector just at the centre 4 Finally remove the three round screws located at the rear end of the motherboard near the I O ports Two of the screws are found near the centre th...

Страница 136: ...6 Troubleshooting and Repair n Introduction n System BIOS Related Problems n Quick Troubleshooting n Component Level Troubleshooting ...

Страница 137: ...Management Problems n Input Device Problems Keyboard and Glidepad Helpful Starters Here are a few helpful starters to begin with before troubleshooting the notebook n Is there any external power source connected to the computer n Is the battery fully charged n Is the computer turned on and is the POWER LED activated n Are all cables connected properly and securely n Have all necessary device drive...

Страница 138: ...eyboard controller is not accepting commands specifically the enable and disable A20 command Check the keyboard controller and system board Turn the power off then back on again If the problem persists contact qualified service personnel Fixed disk configuration error The specified configuration is not supported or doesn t match the actual hardware installed Correct the fixed disk configuration Fi...

Страница 139: ...rsonnel F2 to enter ROM based SETUP Invalid configuration information must be changed You must run SETUP utility and correct configuration information Invalid configuration information please run SETUP Display adapter is configured incorrectly Memory size is incorrect Wrong number of diskette drives Other configuration errors Run the SETUP utility Keyboard clock line failure The keyboard the keybo...

Страница 140: ...mory tests terminated by keystroke The message indicates that a user pressed the spacebar while memory tests were running and stopped the memory tests Press the F1 key to continue This message indicates that an error was found during POST Pressing the F1 key allows the system to attempt to reboot Beginning memory test Press the SPACEBAR to terminate the memory test A user can stop the memory tests...

Страница 141: ...4 Checksum test All of the values in a given range of locations are added together The range includes a location which when added to sum of the ranges will produce a known result such as zero Beep codes for system board errors BIOS Beep Codes Beep Code Diagnostic Code Description Test Performed None 01h CPU registers test in progress or failure Pattern test of most of the 16 bit CPU registers Fail...

Страница 142: ...bit x The first 64K of RAM is tested with a rolling ones test and a pattern test If any of the rolling ones tests fail then the BIOS reports the specific bit that failed To determine the bit number from the diagnostic code subtract 10h For example if 12h is displayed at the diagnostic port bit 2 failed Failure results in a system halt 3 3 1 20h Slave DMA register test in progress or failure Patter...

Страница 143: ...race bit bit0 in the appropriate CRT controller status register either port 3BAh or 3DAh is read and tested The retrace bit should toggle from 0 to 1 then 1 to 0 within the time period None 2Eh Search for video ROM in progress No specific test is performed by the system BIOS just indicates that the BIOS is about to jump to the initialization code in the video option ROM none 30h Screen running wit...

Страница 144: ...in progress or failure The memory above the first 64K is tested with a rolling ones test and a pattern test All success and failure messages are displayed on the screen and POST will continue 4 3 2 3Ah Programmable interval timer channel 2 test in progress or failure Over a period of time the current count values in timer 2 are read and accumulated by ORing them into the values read so far It is e...

Страница 145: ... xxxxh Type S hut off NMI R eboot other keys to continue A parity error occurred but the source can not be determined Turn the power off and then on again Quick Troubleshooting This section summarizes problems that may develop during system operation and lists suggested corrective actions to isolate problem properly Quick Troubleshooting Problem or Symptoms Corrective Actions No power Check that t...

Страница 146: ...nd inside the LCD Panel Battery Power does not last or does not read properly under Win95 Win98 Make sure that the power management options under BIOS Setup are enabled and set properly Recharge the battery pack for at 3 least hours before using again Discharge and recharge the battery twice Battery Low Low Suspend Off to allow more accurate reading of battery meter under Windows 95 or Windows 98 ...

Страница 147: ...ing in the device Check PS 2 mouse driver if it is installed properly Replace the keyboard or mouse Replace the motherboard PCMCIA card does not work Check if the PCMCIA card is inserted properly and all cables and connections are set Check the PCMCIA card driver installation for any IRQ or IO address conflict Try to disable the COM2 port FIR inside the BIOS Setup menu to free up unused IRQ If PC ...

Страница 148: ...Replace the motherboard FIR Port does not work Check if FIR port COM2 is enabled under BIOS Setup Advanced Menu Check if FIR driver is properly installed under Win95 Refer to Chapter 2 Check if File Sharing and Computer name is set properly on both sides Check if Infrared Monitor is activated Check if FIR ports on both ends are not blocked or obstructed Check the FIR module Check the I O controlle...

Страница 149: ...6 17 HDD Interface Check 6 18 Internal Keyboard Interface Check 6 18 Glidepad Interface Check 6 19 CD ROM Interface Check 6 19 Charger Board Interface Check 6 20 Serial Port Interface Check 6 20 Ext Keyboard Interface Check 6 21 PS 2 Mouse Interface Check 6 21 Printer Port Interface Check 6 22 Audio Port Interface Check 6 22 PCMCIA Interface Check 6 23 USB Port Interface Check 6 23 FIR Port Interf...

Страница 150: ... Please make sure input AC source 18V before test ADC START 1 Check CN101 18V 2 Check CN102 Pin 9 Pin 14 3V 3 Check CN103 Pin 7 Pin 10 5V 4 Check CN103 Pin 1 12V ADC failed please check 1 Output terminator if short circuit 2 F101 Pass 3 C121 5V 4 PWRON signal pass 5 C119 18V ADC Passed END ...

Страница 151: ...ule IMM END NO YES NO YES Check HCLKCPU 66MHz Check U26 Pin 41 Pin 42 YES Check PCLK P4 33MHz Check U26 Pin 8 9 11 12 13 14 NO NO YES START Check Memory Vcc 3 3V Check DC DC Board Check RAS 0 3 CAS 0 7 signals Check RP10 RP11 Check MA 0 11 Check IMM and memory connector Check MD 0 63 Check RP14 7 8 13 6 9 12 15 END NO YES NO NO NO YES YES START ...

Страница 152: ... Pin71 Pin 93 END NO YES NO YES START 5 Check BIOS Setup Menu Enter Correct FDD Type Check if FDD is properly formatted Format Diskette or Change Diskette Check FDD Power Check 5V Check Motor of FDD operation Check U27 Pin 100 Motor0 signal END NO YES NO NO NO YES YES Check Seek operation Check U27 Pin 10 1 2 5 6 9 NO Check Read or Write operation Check U27 Pin 7 8 12 14 NO YES YES YES ...

Страница 153: ...Vs Check HDD Data Bus Check HDD connector PDD 0 15 and AIO to AMB connector END NO YES NO NO NO YES YES Check HDD Address Bus Check HDD connector address bus and AIO to AMB connector NO YES YES 7 Check the keyboard FPC cable Check FPC cable if broken or not Check Keyboard Interrupt Check U47 Pin 23 IRQ1 Check Keyboard scanning signals Check K B connector and check AIO to AMB connector Check U23 EN...

Страница 154: ...heck AIO GLP connector and GLPCLK signal Check Glidepad Power Check 5Vs Check Glidepad IRQ Check U23 M38867 Pin 22 IRQ 12 and AIO to AMB connector END NO YES NO NO NO YES YES 9 Check CD ROM Power Check 5Vs Check CD ROM Data Bus Check CN4 SDD 0 15 Check CD ROM Address Bus Check CN4 Pin 29 31 32 SDA0 SDA1 SDA2 Check IRQ Signal Check CN4 Pin 28 DD_IRQ15 END NO YES NO NO NO YES YES ...

Страница 155: ...1 F1 Q6 5V Check AIO CHG_EN Charge Battery Check U1 Q6 Q7 Q8 END NO NO NO YES YES Check Battery Pack Voltage Temp 11 Check BIOS Setup Enter correct type for COM1 Check Transmitting Signal Check U24 MAX3243 SOUT1 Check Receiving Signal Check U24 MAX3243 SIN1 Check MD 0 63 Check U27 FDC37N769 Pin 17 92 IRQ3 4 END NO YES NO NO NO YES YES ...

Страница 156: ...board Data Check U23 Pin 7 EXT1DATA Check Keyboard Clock Check U23 Pin 4 EXT1CLK Check IRQ signal Check U23 Pin 23 IRQ1 END NO YES NO NO YES YES 13 Check Mouse Data Check U23 Pin 8 EXT2DATA Check Mouse Clock Check U23 Pin 5 EXT2CLK Check IRQ signal Check U23 Pin 22 IRQ12 END NO YES NO NO YES YES ...

Страница 157: ...s Check RP39 RP41 R318 Check Busy Signal Check RP41 Pin 3 Pin 14 Check U27 FDC37N769 END NO YES NO NO YES YES 15 Check Audio Board Power Check U7 Q11 Check Audio Amp Signal Check U5 Pin 3 10 15 22 signal Check AC97 signal Check U6 Pin 24 23 35 36 Check MIC Check U6 Pin 21 END NO YES NO NO NO YES YES Check MIC Amp Check U3 Pin 1 2 signals NO YES YES ...

Страница 158: ...river Check PCMCIA Power Check U32 Pin 7 24 12V Pin 1 2 30 5V Pin 15 16 17 3V Check PCMCIA Control Signal Check U33 PCI1221 Signal END NO YES NO NO YES YES 17 Check USB device H W S W Replace Device Check USB Power Check CN10 on charger board Pin 4 5V Check USB Signal Check CN10 on charger board Pin 2 3 signal END NO YES NO NO YES YES ...

Страница 159: ...heck U1 Pin 1 10 5V Check FIR Component Replace FIR Check FIR signal Check U1 Pin 2 3 8 signal END NO YES NO NO YES YES 19 Check LCD Power Check Q13 U25 3V or 5V Check LCD Control Signal Check L22 L26 L24 L27 L37 Check LCD Data Signal Check L13 L42 except LCD control signals END NO YES NO NO YES YES ...

Страница 160: ... if it is set to Save to RAM or DISK END YES Execute Suspend routine by pressing Fn Esc keys or pressing cover switch Suspend to RAM Suspend to DISK Check U15 Pin 28 SUSB 0V Check U15 Pin 27 SUSC 0V Resume operation Check U15 Pin 28 SUSB 3 3V Resume operation Check U15 Pin 27 SUSC 3 3V ...

Страница 161: ...k Caps Lock LED Check U23 Pin 33 YES Check Num Lock LED Check U23 Pin 32 Check Scroll Lock LED Check U23 Pin 31 Check HDD Access LED Check D3 Pin 2 YES Check FDD LED blinking Check R9 YES Check Suspend LED blinking Check U15 Pin 24 YES Check Charge LED Check CN1 Pin 58 YES YES NO NO NO NO NO NO NO ...

Страница 162: ...ction Check Cover Close Function Check 22 Check BIOS Setup Setup Cover Switch Check Switch Press Cover Switch Check CN1 Pin 69 END NO YES NO YES 23 Cover Close Check Check LID low when cover close high when cover open Check CN1 Pin 69 END YES NO YES ...

Страница 163: ...ooting and Repair Internal Fax Modem Port Check 24 Check Fax Modem Module Board Replace Module Board Check 5V Power Check Q7 Pin 8 7 5V Pin 5 6 3 3V Check AD0 AD31 signal Check PCI Bus signal END NO YES NO NO YES YES ...

Страница 164: ...System Specification n Display Specification n Floppy Disc Drive Specification n CD ROM Drive Specification n Keyboard Specification n Touchpad Specification n Power Supply n Mechanical Specification n Environmental Requirements ...

Страница 165: ...RAM n CPU Package 280 pin MMC 1 Mobile Module Connector Slot 1 System Logic Chipset n Chipset Type Intel Mobile Triton n 82443BX Pentium II module or 430TX Tillamook module n 82371EB PIIX4 BGA 324 pin n Thermal controller LM75 430TX Tillamook module MAXIM 1617 440BX Pentium II module System Clock n System Clock ICWORKS running at 3 3 2 5V n Package SSOP 48 Pin n Clock Summary CPUCLK 60 66 MHz PCIC...

Страница 166: ...eces 640KB Conventional RAM 128KB BIOS Shadow 256KB reserved for Power Management usage 7168KB Extended RAM Upgradable to 16 32 64 80 128MB n Parity Support No parity bit for all memory BIOS ROM n ROM Type 256K x 8 CMOS Flash Memory 28SF040 15 SST n ROM Size 4M bit n Boot Code Sector Top Sector n Package PLCC 32 lead n Erase Program 8 second typical chip erase 3 6 second chip program 100 000 erase...

Страница 167: ...urs n External CRT connector 15 pin D Sub female I O Subsystem n I O Controller Chip SMC FDC37N769 n Parallel Printer Port LPT1 25 pin D sub female connector with EPP ECP support n Serial COM Port COM1 Type 9 pin D sub male RS 232 connector Baud Rate 300 38400 bps UART 16C550 Drivers Receiver Maxim MAX3243 SSOP 28 pin n FIR Port COM2 Type IrDA Temic Communication Full Duplex Operating Distance 1 m...

Страница 168: ...tyle host interface n Keyboard Scan Local 16 x 8 keyboard switch matrix n External PS 2 Keyboard Mini DIN PS 2 connector Pointing Device Subsystem n Chipset Controller Mitsubishi M38867 n Package QFP 80 Pin n Touchpad Type ALPS Glide Point n Interface PS 2 n External PS 2 Mouse Mini DIN PS 2 connector share with PS 2 keyboard PCMCIA Subsystem n Chipset Controller Texas Instruments TI PCI 1221 n PC...

Страница 169: ... charged or not charging n Sleep LED Green colour and blinking when system enters suspend mode n IDE LED Green colour when accessing the HDD or CD ROM DVD ROM n FDD LED Green colour when accessing the FDD n Num Lock LED Green colour for Num Lock activate on keyboard n Caps Lock LED Green colour for Caps Lock activate on keyboard n Scroll Lock LED Green colour for Scroll Lock activate on keyboard H...

Страница 170: ...Colours n Module Size H275 x V199 x t6 5 MAX mm n Weight Approx 430g n Contrast Ratio 120 1 typ n Power Supply 5 0V n Power Consumption 3 3W n Response Time 40ms max n Operating Temperature 0 to 50 degrees Celsius n Storage Temperature 25 to 60 degrees Celsius 13 3 XGA TFT LCD n LCD Model NEC NL10276BC26 11A n LCD Type 13 3 XGA TFT n Display Area H270 3 x V202 75 mm n Display Pixels H1024 x V768 p...

Страница 171: ...apacity 1 44MB 1 2MB 720KB High Density Formatted 2MB 1MB Unformatted n Transfer Rate 500 250 Kbits sec n Recording Method MFM FM n Track to Track Seek Time 3 ms n Seek Settling Time 15 ms n Average Access Time 94 ms n Disk Revolution 300 rpm n FDD Indicator LED on drive and Media Access LED on LED Indicator n MTBF 30 000 n Operating Temperature 4 to 46 degrees Celsius CD ROM Drive Specification n...

Страница 172: ... MTBF 60 000POH or more Keyboard Specification n Keyboard Type JME K9801 n Type of key switch Membrane PE Switch n Number of keys 87 keys with embedded numeric keypad n Compatibility Enhanced 101 102 emulation n Travel2 5 mm n Keyboard Height 6 5 0 3 mm 7 0 0 3 mm SPACE Key n Keycap Pull Off Force 800g n Supply Voltage 6V n Operating Temperature 10 to 60 degrees Celsius Touchpad Specification n To...

Страница 173: ... Current Cold Start 42A Max at 100 VAC n Turn On Delay Time 3 sec max n Output Power 50W n Output Voltage 19Vdc main n Output Current 2 64A Max n Over Voltage Protection 24V Max n Over Current Protection 3 4A max n LED Display Green LED On Off n Dimension L107 x W60 5 x H30 mm n Weight 250g Lithium Ion Li Ion Battery Pack n Model Panasonic Li Ion Rechargeable Smart Battery n Cell Type CGR18650 n R...

Страница 174: ...o 40 C at 45 85 RH Within 1 year 20 C to 35 C at 45 85 RH n Weight 37 2 38 8 g Mechanical Specification n Unit Dimensions WxDxH in millimetres 299 x 247 x 39 mm n Unit Weight Under 6 6 lbs Environmental Requirements n Temperature Operating Temperature 5 C to 35 C Storage Temperature 20 C to 60 C n Humidity Operating 10 to 80 RH without condensation Storage 5 to 90 RH without condensation n Altitud...

Страница 175: ... faces 3 edges 1 corner at 42 inches height after 6 hours at 10 5 C and 50 5 C Loose Cargo11800 impact at 1 16 n Electro Static Discharge ESD Under 8KV No soft error is allowed for 10 discharges 8 5KV to 15KV No component damaged for 5 discharges ...

Страница 176: ...rimitive computer routines usually burnt into ROM that controls the real time clock keyboard disk drives video display and other peripheral devices bit Binary digit The smallest unit of computer data bits per second bps A unit of transmission Also called baud rate board Printed circuit board Board onto which computer components are soldered and thin wires are printed to connect the components boot...

Страница 177: ...pixels See also LCD cursor A movable image on the display screen that indicates where the next entered data appears D diskette A thin flexible platter coated with a magnetic material for storing information diskette drive A magnetic drive that writes on and retrieves data from a diskette DSTN Double Scan Super Twisted Nematic A type of technology used in some Versa LCD screen displays E enhanced V...

Страница 178: ...igent Drive Electronics A hard disk drive type that has controller electronics built into the drive and delivers high throughput interface A connection that enables two devices to communicate interrupt A special control signal from an I O device that diverts the attention of the microprocessor from the program to a special address K kilobyte KB 1024 bytes L LAN Local Area Network LCD Liquid Crysta...

Страница 179: ... DEModulator A device that links computers over a telephone line N non volatile memory Storage media that retains its data when system power is turned off Non volatile memory in the Versa is a complementary metal oxide semiconductor CMOS chip which is backed up by an internal battery The backup battery preserves the clock calendar data and system configuration parameters stored in CMOS See volatil...

Страница 180: ... device pixels Picture elements Tiny dots that make up a screen image port Provides the means for an interface between the microprocessor and external devices A cable connector is usually plugged into the port to attach the device to the computer processor In a computer a functional unit that interprets and executes instructions prompt A special symbol indicating the beginning of an input line Als...

Страница 181: ...a time serial printer A printer with a serial interface software Programs that run on a computer such as operating systems word processors and spreadsheets super video graphics array SVGA A colour bit mapped graphics display standard that provides a resolution of 1024x 768 with up to 256 colours displayed simultaneously system board The main printed circuit board inside the system unit into which ...

Страница 182: ...e Versa are volatile memory See non volatile memory W warm boot Process of resetting the computer without turning off the power through keyboard input pressing Ctrl Alt and Del keys simultaneously or the reset button The system returns to an initial or arbitrarily selected condition write To record or store information to a storage device ...

Страница 183: ...grade 2 15 CRT port 1 20 Cursor control keys 1 12 D DC DC board removal 5 17 Device Bay LED 3 9 Device power management 3 21 Diskette drive removal 5 16 Docking Station See PortBar Drivers 2 2 E Expansion port 1 19 F Fast IrDA driver 2 10 Features 1 3 Function Keys 1 11 G Glidepad 1 13 driver installation 2 9 removal 5 10 H Hard disk 1 14 removal 5 12 upgrading 2 18 Hot keys 3 9 I I O board remova...

Страница 184: ...reventive maintenance 5 2 Printer port LPT1 1 19 PS 2 Port 1 19 S Scroll Lock LED 3 9 Security 3 32 Security Lock Latch 1 17 Serial COM1 port 1 20 Shortcut key 1 12 SMBus devices 3 13 Speaker removal 5 17 Speakers 1 14 Status LED Panel 1 8 Suspend LED 3 8 Suspend Mode LED 1 7 Suspend status LED 1 7 System configuration 1 5 memory 4 11 processor 4 2 System BIOS program 4 11 System BIOS Program 1 22...

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