Texas Instruments 1 - Manuals

Contents iii Contents Paragraph Page Preface Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - viiIntended Audience- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - viiContents - - - - - - - - - - - - - ...

iv Contents Contents (continued) Paragraph Page Section 2 Installation (continued) Installing External Notebook Options - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-5 Installing the Mobile Productivity Base (Option) - - - - - - - - - - - - - - - - - - - 2-5 Docking the Notebook to t...

Contents v Contents (continued) Paragraph Page Section 4 Theory of Operation Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1Notebook Functional Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 System Proce...

Contents vii Contents (continued) Paragraph Page Section 6 Field Service (continued) Removing/Replacing the MPB Battery - - - - - - - - - - - - - - - - - - - - - - - - -6-33Removing/Replacing the MPB Housing - - - - - - - - - - - - - - - - - - - - - - - - -6-34Removing/Replacing the Docking Cable - ...

General Description 1-1 1 General Description 1.1 Introduction This manual contains field and factory level servicing information for the Extensa TM 900 Series Notebook Computers (Figure 1-1) marketed by Texas Instruments. This section provides a general overview of the Extensa 900 Series, describes...

General Description 1-3 Figure 1-2 900 Series Notebook External Features 1.2.1 Video Display Features The Extensa 900 Series Notebooks contain large screen internal LCD displays and can simultaneously drive the internal LCD and an external CR T (SimulSCAN TM mode). On all Extensa models, the LCD scr...

General Description 1-5 1.2.2 Keyboard Features The Extensa 900 Series Notebooks contain a built-in 86/87-key keyboard (Figure 1-3) compatible with the IBM ® enhanced 101/102-key keyboard. The keyboard contains 12 programmable function keys, an embedded numeric keypad (Figure 1-4) and dedicated cont...

1-6 General Description 1.2.4 Standard Peripheral Devices As standard features, the Extensa notebooks include an internal IDE hard drive, an external 3.5-inch floppy disk drive and built-in touchpad (mouse device). 1.2.5 900 Series Connectivity Features As standard features, the Extensa 900 Series n...

General Description 1-7 Table 1-2 900 Series External Ports 1.2.6 Notebook Expansion Capabilities In addition to the external ports, the Extensa 900 Series Notebooks are designed with a variety of expansion features that permit substantial functionality and performance upgrades over the life of the ...

1-8 General Description 1.2.7 Memory Expansion The notebook comes standard with 16 MB of RAM expandable to a maximum of 80 MB using soDIMM modules (available in 8, 16, 32 or 64 MB sizes). Access to the expansion socket is accommodated via a removable panel on the bottom of the notebook as shown in F...

General Description 1-9 Figure 1-6 Installing PCMCIA Card Options 1.2.9 Mobile Productivity Base Option The Mobile Productivity Base (Figure 1-7) provides a port replicator function with separate External Keyboard and Mouse ports, plus powerful desktop expansion features including a Modular Bay for ...

General Description 1-11 Figure 1-8 Undocking from the Mobile Productivity Base 1.2.9.2 Mobile Productivity Base Ports The Mobile Productivity Base provides the same ports as available on the Notebook plus an additional PS/2 port to allow for both external mouse and keyboard. The port assignments ar...

1-12 General Description Figure 1-9 Mobile Productivity Base Ports 1.2.9.3 Advanced PCI Card Options The Extensa 900 Series Notebooks contain provisions for an advanced PCI Card as shown in Figure 1-7. 1.3 Notebook Battery The notebook computer uses a Lithium-Ion battery pack. A second identical bat...

General Description 1-13 the computer is powered up. In the event of a failure, the computer displays a descriptive error message and issues a series of coded beeps (in case the display subsystem is not functioning). If self test completes normally, the computer displays the amount of memory tested,...

1-14 General Description 1.5 Extensa 900 Series Specifications General specifications for the Extensa 900 Series Notebooks are provided in Table 1-5. Table 1-5 Extensa 900 Specifications Characteristic Model 900 Series Specifications CPU Pentium P54CSLM, 133 MHz; 3.1 Volt, Internal Hard Disk Drive D...

General Description 1-15 Video Subsystem LCD Aspect Ratio Emulations: Video Memory Size Video Bus: LCD Resolution: LCD Characters/Line LCD Lines/Screen: LCD Brightness Control: 1-1 SVGA 1.5 MB 32-bits 640 x 480 pixels bit-mapped at 256 colors 80 25 Function hot key brightness and contrast control an...

1-16 General Description RS-232-D Serial Port: Method: Type: Bits per second: Parity: Transmit: Receive: Line control: Data word: 16550 UART Support Selectable Serial Port (BIOS Setup) 9-Pin, male, sub-D-type connector EIA RS-232-D Asynchronous transmission 110, 200, 300, 600, 1200, 2400, 4800, 9600...

General Description 1-17 1.6 Regulatory Agency Approvals All Extensa 900 Series products meet the following regulatory agency standards: ♦ Underwriter’s Lab (UL) Standard 1950 (safety) ♦ Canadian Standards Association (CSA) Standard 950 or CUL (safety) ♦ FCC CFR 47, Part 15, Subpart B, FCC Level B (...

Installation 2-1 2 Installation 2.1 Introduction This section contains unpacking and preparation for use instructions for the Extensa 900 Series Notebook Computers. This includes: ♦ Removing the computer and all manuals, options and accessories from the shipping container(s) ♦ Installing Internal No...

2-2 Installation 2.3 Installing Internal Notebook Options If you have no internal options to install at this time, skip to Paragraph 2.4. Otherwise, continue with Paragraph 2.3.1. 2.3.1 Installing Main Memory Expansion (Optional) Main memory on the 900 Series Notebooks can be expanded using an EDO S...

Installation 2-3 Figure 2-1 Memory Expansion Removal/Replacement Note: After installing expansion memory in your notebook, you must run the PHDISK utility in order for the Save-To-Disk or 0V Suspend functions to operate correctly. 2.3.2 Setting up the Software Note: If you are using an operating sys...

2-4 Installation In Windows 95 Follow these steps if your computer is running Windows 95. 1. From the Taskbar, select Start then Shut Down . 2. Select the Restart the Computer in MS-DOS mode . 3. Click on Yes . 4. Type PHDISK /C /F at the DOS prompt and press Enter . 5. The DOS screen appears and sh...

Installation 2-5 Figure 2-2 Installing PCMCIA Option Cards Note: When installing a Zoomed Video option card, the card must be installed in the lower card slot (slot 0 or A). Other option cards can be installed in either card slot. 2.4 Installing External Notebook Options 2.4.1 Installing the Mobile ...

2-6 Installation 3. Swing the Docking Lever outward a full 90 degrees from the side of the MPB. 4. Slide the notebook into the MPB, right side first, as shown in Figure 2-3. Ensure that the docking guides on both the notebook and the MPB are securely hooked. 5. Rest the notebook on the MPB. Then pre...

Installation 2-7 Figure 2-4 MPB Port Assignments P S / 2 KeyboardPort P S / 2MousePort ParallelPort SerialPort VGAPort AdvancedPCI LineOut LineIn MicIn

2-8 Installation Figure 2-5 MPB Battery Pack Removal/Installation Installation 2.4.2 Installing Ext. Keyboard/Mouse/Numeric Keypad A PS/2 compatible Keyboard, mouse or an optional PS/2-compatible numeric keypad may be installed on the notebook via the mouse connector on the left rear port as shown i...

Installation 2-9 Figure 2-6 PS/2 Port Connections 2.4.3 Installing an External Parallel Printer The Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin parallel printer port. The connector pinouts and connector location are shown in Figure 2-7. Note: Refer to Figure 2-4 ...

2-10 Installation Figure 2-7 Parallel Port Pinouts 2.4.4 Installing an External Serial Port Device The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector as shown in Figure 2-10 (25-pin cables require the use of an adapter for use with the 9-pin port). The serial port...

Installation 2-11 ♦ Any device that uses an RS-232 interface Note: Refer to Figure 2-4 for port assignments if using the MPB option. Caution: Never connect a parallel device to a serial port or a serial device to a parallel port or video port; this may cause damage to the notebook and/or external de...

2-12 Installation Figure 2-9 External VGA Pinouts Use the following procedure to install an external monitor: 1. Turn off power to both the notebook and monitor. 2. Connect the 15-pin external VGA cable from the monitor to the VGA connector on the notebook computer (Figure 2-9) or MPB (Figure 2-4). ...

Installation 2-13 Windows for Workgroups, use the WinMode Utility ). 5. Install the correct driver, if required (refer to the Monitor Installation Instructions supplied by the CR T vendor). 2.5 Primary Battery Pack Installation 1. Turn off the computer and disconnect the AC adapter if attached to th...

2-14 Installation 1. Remove the AC adapter from the packaging. Connect the round coaxial connector supplied with the notebook to the DC IN power receptacle on the left rear of the notebook as shown in Figure 2-9. 2. Connect the female side of the AC power cord to the AC adapter and connect the male ...

Operating Instructions 3-1 3 Operating Instructions 3.1 Introduction This section contains a summary of notebook operating procedures useful for maintenance operations. For additional detail, refer to the Extensa 900 Series Notebook Computer User’s Guide supplied with the notebook. 3.2 Controls/Indi...

3-2 Operating Instructions 3.2.1 Power On/Off Switch The notebook contains an alternate action power switch located center of the notebook near the status indicators as shown in Figure 3-1. The first time you press the power switch, power is turned on to the notebook. The next time you press the pow...

Operating Instructions 3-3 3.2.4 Keyboard Hot Key Sequences Table 3-2 contains a summary of keyboard hot key sequences useful when performing maintenance operations. Standby Mode Indicator Lights when the computer is in Standby mode. Flashes when the computer is in the 5V Suspend mode. The computer ...

3-4 Operating Instructions Alternate between display modes (LCD, Ext.l CRT or both) Fn+F12 Decrease LCD screen brightness Fn+Down Arrow Increase LCD screen brightness Fn+Up Arrow Lighten LCD screen contrast Fn+Right Arrow Darken the LCD screen contrast Fn+Left Arrow Exit 0V Suspend Mode Press Power ...

Operating Instructions 3-5 3.2.4.1 Windows 95 Special Keys Pressing the Windows Logo Key acts as the Start button. Pressing this key in combination with other keys performs special functions. Table 3-4 contains several examples of using the Windows 95 special keys. Pressing the Application Key displ...

3-6 Operating Instructions 3.3 Configuring the Touchpad You can personalize the control of the touchpad by configuring various settings using the Synaptics ® Touchpad utility. Configure the touchpad using the Mouse utility located in the Control Panel Window. Follow these steps to configure the Touc...

3-8 Operating Instructions 3.5.3 External Sound Equipment You can improve the quality of sound production and increase convenience by connecting external sound equipment. The computer has the following jacks for connecting to external sound equipment: ♦ Microphone Input ♦ Stereo Headphone/Speaker Li...

Operating Instructions 3-9 3.7 Using Zoomed Video Features Your computer supports Zoomed Video (ZV) PC Cards through the PC Card slots. ZV PC Cards connect to the internal ZV port, allowing advanced multimedia capabilities such as video conferencing and on-screen television at full, smooth motion. T...

3-10 Operating Instructions 3.8.2 Suspending Operation While Idle Although the computer goes into Suspend mode automatically after a defined period of inactivity, you can reduce energy consumption even further by pressing either Fn+F3 ( Suspend ) or Fn+F4 ( Standby ) as soon as you no longer need th...

Theory of Operation 4-1 4 Theory of Operation 4.1 Introduction This section contains a general block diagram theory of operation description of the Extensa 900 Series Notebook Computers. Note: Various internal components may change on future models and busses/bus speeds are subject to change. 4.2 No...

4-2 Theory of Operation Figure 4-1 Extensa Functional Block Diagram 586 CPU SRAM M1521 BGA DRAM HDD M1523 Graphic controller IDE Master CD CPU Bus PCI Bus ISA Bus MPB

Theory of Operation 4-3 4.2.1 System Processor The System Processor function for the notebook is implemented on the Main Board in the form of an Intel Pentium P54-C Superscalar 586 Processor Chip. The processor operates in conjunction with RAM and ROM Memory and other control logic to process softwa...

4-4 Theory of Operation Figure 4-2 Detailed System Block Diagram CPU M1521 M1523 PCI BUS ISA BUS PCI1130 65550/S3 PCI0643 PCI0643 ESS1878S M38813 M6377 87338 CD-ROM FDD PARALLEL PORT SERIAL PORT FIR PARALLEL PORT SERIAL PORT HDD PCMCIA CRT LCD VIDEO RAM INTERNAL KB PS2 TOUCH PAD L2 CACHE 16MB RAM DI...

Theory of Operation 4-5 4.2.2 Memory Subsystem The memory subsystem comprises the following components: ♦ Main memory ♦ L2 Secondary Memory (cache) ♦ Flash ROM The Extensa Series uses fast Extended Data Out (EDO) DRAM for main and video memory and high-speed synchronous, pipelined burst SRAM for L2 ...

Theory of Operation 4-13 pixel boundary (YUV data is converted to RGB "on-the-fly" on output). Non-rectangular windows are supported via color keying. The data can be functionally zoomed on output up to 8x to fit the onscreen window and can be horizontally and vertically interpolated to scal...

Theory of Operation 4-21 Figure 4-3 Power Subsystem Simplified Block Diagram U M A DC /D C CO NVER T E R D C BAT O U T CH A R GER 8M B DR A M / DI M M *1 M+ 5 V M+ 3 .3 V H DD/ CD FD D PC I1 1 3 0 SW SW M 1 521 M 1 523 90 88M A L CP U +3 .3 V SW M+ 5 V SW +2 .9 V M+ 2 .9 V SW M+ 7 V AU DI O _ V D D ...

Theory of Operation 4-23 Table 4-5 M6377 GPIO Port Definitions Item Description GPIO17(W/R) 1: Connect serial BUS with charger ROM.0: Disconnect serial BUS with charger ROM.GPIO20 is the CLK and GPIO21 is the DATA for the serial BUS. GPIO16 Reserved GPIO15(W/R) 1: CPU high temperature SMI is allowed...

Theory of Operation 4-25 4.2.11.2 AC Power Adapter The computer is equipped with a universal AC power adapter that converts AC voltage into DC voltage (approx. 46 Watts of power) used to operate the notebook and charge the batteries. The specifications for the AC adapter include: ♦ Input Voltage: 10...

Troubleshooting Procedures 5-1 5 Troubleshooting Procedures 5.1 Introduction This section provides an overview of the fault isolation process, provides guidelines for isolating 900 Series computer malfunctions to replaceable subassemblies and provides instructions for executing diagnostics and inter...

5-2 Troubleshooting Procedures ® Figure 5-1 Notebook Computer Troubleshooting Flow Chart START COMPUTER TROUBLE INDICATION ? DEAD COMPUTERSYMPTOMS ? RUN SELF TEST ERROR MESSAGE ? MODEM PROBLEM ? RUN DIAGNOSTICS DIAGNOSTICS ERROR MSG ? NO YES NO YES See Paragraph 5.3.5 NO YES See Paragraphs 5.3.3.1 a...

Troubleshooting Procedures 5-3 5.3 Troubleshooting Procedures The built-in self test program and the disk resident diagnostics program (PC-Doctor) are useful tools in computer troubleshooting. However, if the computer has a power, keyboard or display problem, you must first solve this problem before...

5-4 Troubleshooting Procedures Table 5-1 contains fault isolation information for Display Problems on the notebook. Symptoms are listed along the left side of the chart and the various Display FRUs are listed along the top of the chart. Within the body of the table are the probabilities of each of t...

5-6 Troubleshooting Procedures Table 5-2 Power On Self Test Error Messages Message Possible Cause Action Diskette drive A failure The drive failed or is missing. Check the drive to determine the problem. Diskette read failure - pressF1 to retry boot, F2 forSETUP utility The disk is either notformatt...

Troubleshooting Procedures 5-7 Table 5-2 Post Error Messages (continued) Message Possible Cause Action No boot device available -press F1 to retry boot, F2for SETUP utility Either disk drive A:, the fixeddiskette, or both the disk andfixed diskette are defective. Try rebooting. If the problempersist...

5-8 Troubleshooting Procedures 5.3.3.2 POST Beep Error Messages In the event of a hardware problem that affects the display, the Notebook also communicates errors via a series of beeps. These codes may be heard over the system's speaker as a series of beeps (long and short duration). The interpretat...

Troubleshooting Procedures 5-9 failures are associated with the Upper and Lower Electronics Boards and may require board removal/replacement. Try running PC-Doctor (Paragraph 5.5) if possible to verify the source of problem. 5.3.4 Run-Time Error Messages In the event of a hardware/software error tha...

5-10 Troubleshooting Procedures Table 5-4 Run-Time Error Message Troubleshooting 5.3.5 PCMCIA Modem Problems If an optional PCMCIA modem does not work properly, check the following items: ♦ Dialing problem or wrong number - Try dialing a number that you have previously dialed successfully. ♦ Faulty ...

Troubleshooting Procedures 5-11 Table 5-5 General Troubleshooting Procedures Problem Corrective Actions No power 1. Check that the AC adapter is plugged into the power connector of the system. Also,check that the AC adapter is plugged into aproperly grounded AC power outlet. 2. If using the battery ...

5-14 Troubleshooting Procedures 5.5 Fault Isolation Using Diagnostics PC-Doctor, supplied with the Extensa Series Notebooks, is a powerful diagnostics tool that can help you determine the hardware configuration of a local or remote system, benchmark its performance, analyze the performance of all su...

Field Service 6-1 6 Field Service 6.1 Introduction This section contains general preventive and corrective maintenance procedures that apply to all members of the Extensa 900 Notebook family. The first part of the section describes the computer cleaning procedures and preferred handling procedures f...

6-2 Field Service 6.2.2 Handling the Computer The notebook computer requires reasonable care and handling for extended life. Some of the precautions to follow to protect your computer against accidental damage include: ♦ Never pick up or carry the unit by the cover ♦ Do not force the cover beyond it...

Field Service 6-3 6.2.4 Password Caution The notebook computer can be password protected to prevent unauthorized use. However, if the password is lost, the notebook must be returned to the Texas Instruments manufacturing facility in Temple, Texas U.S.A. to restore access. This service is not covered...

6-4 Field Service Figure 6-1 Extensa 900 Series Assemblies 6.4.1 Cover-Display Assembly The Cover -Display Assembly shown in Figure 6-2, contains the LCD screen, DC-AC Inverter Board, DC-DC Inverter Board, bezel LCD cover and various other components as listed in Table 6-1. Mobile ProductivityBase A...

Field Service 6-5 . Figure 6-2 Display FRUs Table 6-1 Top Cover Assembly Field-Replaceable Units (FRUs) FRU Description Assembly/ Disassembly Paragraph TI Part No. PWB INVERTER, DSTN, EXT. 90X 6.5.19 9813635-0001 BEZEL, DISPLAY DSTN 12.1", EXT. 90X 6.5.17 9813636-0001 LCD PANEL, DSTN, 12.1",...

6-6 Field Service 6.4.2 System Base Assembly As shown in Figure 6-3, the System Base Assembly houses a variety of field-replaceable subassemblies and components. The various assemblies and reference paragraph numbers containing removal/replacement procedures are listed in Table 6-2. Figure 6-3 Noteb...

Field Service 6-9 6.4.3 Mobile Productivity Base Assembly The FRU list for the MPB is provided in Table 6-3. The major MPB FRUs are identified in Figure 6-4. TOUCHPAD, GND PLATE, EXT. 900 6.5.16 9813690-0001 CABLE, FLEX, LED BOARD, EXT. 90X 6.5.8 9813691-0001 Table 6-3 Mobile Productivity Base FRUs ...

6-10 Field Service Figure 6-4 Mobile Productivity Base Major FRUs 6.5 Notebook FRU Replacement Procedures The following paragraphs contain field service-level removal/replacement procedures for the 900 Series Notebook Computers. Most FRU removal/replacement procedures involve connecting and disconne...

Field Service 6-11 Figure 6-5 Removing/Installing Cables with Locking-Type Connectors 6.5.1 Removing/Replacing the Notebook Battery Pack Before performing any of the assembly/disassembly procedures, always disconnect the AC adapter from the notebook and remove all battery packs. The procedure for re...

6-12 Field Service Figure 6-6 Notebook Battery Removal/Replacement 6.5.2 Removing/Replacing PCMCIA Options The procedure for removing and replacing the PCMCIA options is as follows: 1. Turn off the computer and remove the battery pack(s) as described in Paragraph 6.5.1. 2. Press the upper card eject...

Field Service 6-13 Figure 6-7 Installing/Removing PCMCIA Options 6.5.3 Installing/Removing the Mobile Productivity Base The procedure for removing and replacing the Mobile Productivity Base assembly is as follows: 1. Power down the notebook and disconnect the AC adapter if installed. 2. Slide the le...

Field Service 6-15 9. Slide the computer into the MPB, right side first, ernsuring that the guides on both the computer and the docking base are securely hooked; then rest the computer on the base. 10. Press and hold down the computer; then swing the lever toward the MPB until the latch release lock...

6-16 Field Service 5. Store the HDD in an antistatic bag. 6. Replacement is the reverse of Steps 1 through 5. 6.5.5 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as follows: 1. Turn off the computer; disconnect the AC power adapter (if it ...

Field Service 6-17 5. Unplug the keyboard connectors (CN5 and CN14) and set aside the Keyboard Assembly. 6. Replacement is essentially the reverse of Steps 1 through 5. 6.5.6 Heat Sink Assembly Removal/Replacement To remove and replace the Heat Sink Assembly, use the following procedure: 1. Turn off...

6-18 Field Service 6.5.7 Display Assembly Removal/Replacement To remove and replace the Display Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5....

Field Service 6-19 6.5.8 Removing/Replacing the LED/Microphone Board Assembly To remove and replace the LED Board Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragra...

6-20 Field Service 6.5.9 Removing/Replacing the CPU Board To remove and replace the CPU Board Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2....

6-22 Field Service Figure 6-15 Removing/Replacing the Top Cover 3 Unplug Speaker Connector CN19 anremove screws at foco rne rs 1 2 Remove keyboard andHeat Sink Assemblies Remove four Screwsat Bottom of Main Unit 4 Beginning at left side, unsnap to p cove rfrom ba se assem bly

Field Service 6-23 6.5.11 Removing/Replacing the VGA Video Board To remove and replace the VGA Video Board Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5...

6-24 Field Service 6.5.12 Removing/Replacing the Power Supply Board To remove and replace the Power Supply Board Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragrap...

6-26 Field Service 6.5.14 Removing/Replacing the PC Card Module To remove and replace the PC Card Module Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1...

Field Service 6-27 6.5.15 Removing/Replacing the Main Board Assembly To remove and replace the Main Board Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5....

6-28 Field Service 6.5.16 Removing Touchpad and Speakers To remove and replace the Touchpad and Speakers, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5....

Field Service 6-29 6.5.17 Removing/Replacing the Display Bezel To remove and replace the Display Bezel Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 a...

6-30 Field Service 6.5.18 Removing/Replacing the LCD To remove and replace the LCD, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2. Also disconnect the...

Field Service 6-31 6.5.19 Removing/Replacing the Display Inverter Boards To remove and replace the Display Inverter Boards, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragra...

6-32 Field Service 6.6 Removing/Replacing MPB FRUs 6.6.1 Removing/Replacing the Media Bay Device To remove and replace a MPB Modular Bay Device (e.g., CD-ROM Drive or Floppy Disk Drive), use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and r...

Field Service 6-33 6.6.2 Removing/Replacing the MPB Battery To remove and replace an MPB battery pack or dummy battery pack, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragr...

6-34 Field Service 6.6.3 Removing/Replacing the MPB Housing To remove and replace the MPB housing, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2. Also...

Field Service 6-35 6.6.4 Removing/Replacing the Docking Cable To remove and replace the MPB Docking Cable, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5...

6-36 Field Service 6.6.5 Removing/Replacing the Docking Mechanism To remove and replace the MPB Docking Mechanism, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1...

Field Service 6-37 6.6.6 Removing/Replacing the MPB DC-DC Converter To remove and replace the MPB DC-DC Converter Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragra...

6-38 Field Service 6.6.7 Removing/Replacing the MPB Main Board Assembly To remove and replace the MPB Main Board Assembly, use the following procedure: 1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragrap...

Notebook Schematic Diagrams A-1 A Notebook Schematic Diagrams A.1 Introduction This section contains schematic diagrams for the Extensa 900 Series Notebook Computer. Logic schematics for the Mobile Productivity Base are provided in Appendix B of this manual.

A-2 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 1 of 30)

Notebook Schematic Diagrams A-3 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 2 of 30)

A-4 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 3 of 30)

Notebook Schematic Diagrams A-5 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 4 of 30)

A-6 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 5 of 30)

Notebook Schematic Diagrams A-7 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 6 of 30)

A-8 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 7 of 30) $MD32$MD33$MD34$MD35 $MD36$MD37$MD38$MD39 $CAS#4$CAS#5 2 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 9910110...

Notebook Schematic Diagrams A-9 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 8 of 30)

A-10 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 9 of 30)

Notebook Schematic Diagrams A-11 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 10 of 30)

Notebook Schematic Diagrams A-13 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 12 of 30)

A-14 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 13 of 30) 4,14,15,17,19,20,25 20,23 1 2 R101DUMMY-R3 SD[0..7] @IRQ8# IRQ#8 SD7 SD1 SD2 SD3 SD4 SD5 SD6 SD0 SD[0..7] U40 PIN 22 4 23 1919 VCC 24 CS$ 13 AS 14 R/W$ 15 DS 17 RST$ 18 RCL$ 21 EXTRAM 22 BC 20 X1 2 X2 3 A...

Notebook Schematic Diagrams A-15 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 14 of 30) PIN1,4 ON OFF PASSWORD ENABLE PASSWORD DISABLE MATRIX1 KB TYPE 0 1 TYPE 0 TYPE 1 19 10 1 2 4 3 SW1 LSM702 1 2 R8710KR3 1 2 R84100KR3 HOTKEY#3.3V/5V# +5V KBC_5V D Q 2 1 D Q 1 2 D Q 0 3 W R # 4 R D # 5 C S ...

A-16 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 15 of 30) 16,2216,22 16,22 16,22 16,22 16,22 16,21 ACK#BUSYPESLCT SLCTIN#INIT# ERROR# 1 2 3 4 5 6 7 8 RP11SRN33 1 2 3 4 5 6 7 8 RP12 SRN33 1 2 3 4 5 6 7 8 RP9 SRN33 1 2 3 4 5 6 7 8 RP10 SRN33 1 2 R42 33R3 PD[0..7] ...

Notebook Schematic Diagrams A-17 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 16 of 30)

A-18 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 17 of 30) )

Notebook Schematic Diagrams A-19 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 18 of 30)

A-20 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 19 of 30) )

Notebook Schematic Diagrams A-21 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 20 of 30)

A-22 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 21 of 30)

Notebook Schematic Diagrams A-23 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 22 of 30)

A-24 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 23 of 30)

Notebook Schematic Diagrams A-25 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 24 of 30)

A-26 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 25 of 30) 4 44 IRQ14 IRQ15 IRQ12 RSTDRV +5V 1 2 3 4 5 6 7 8 9 10 RP48 SRP10K MEMR#MEMW#IOR#IOW# +5V 4,19 4,19 4,19 1 2 3 4 5 6 7 8 9 10 RP36 SRP4K7 1 2 3 4 5 6 7 8 RP41 SRN100K DRQ1 DRQ3DRQ2 DRQ1DISROMDRQ3DRQ2 +5V ...

Notebook Schematic Diagrams A-27 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 26 of 30) 1 2 L9 MLB321611 1 2 3 4 5 6 7 8 RP3SRN10K 1 2 F1 SPOLY100 +5V PS2 INTERFACE 14,21 14,21 14,21 14,21 PS2DATA PS2CLK KBCLK KBDATA C79SC47P 1 2 R1 47R3 1 2 R2 47R3 1 2 R4 47R3 1 2 R3 47R3 1 2 L4 MLB321611 1...

A-28 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 27 of 30) 13 12 1 4 7 U86F SSHC14 +5VSB 1 2 R25347KR3 AD+ +5VSB 1 2 R252 150KR3 3 1 2 Q 9RN1424 AD_IN# ADAPTOR PLUG-IN DETECTION CIRCUIT 23 AD5V AD5V C351SCD1U C352SC1KP +5VSB +5VSB CHARGER INTERFACE CIRCUIT 14 14 ...

Notebook Schematic Diagrams A-29 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 28 of 30) C73SCD1U +5V C74SCD1U C72SCD1U M+5V +5VSB LED INTERFACE 21 27 3 1 2 Q 1RN1424 CHARGE_LED 3 1 2 Q 2RN1424 DK_CHG_LED CHARGE_LED# 14 14 20 CLLED# NLLED# @COVER_SW COVER_SW CHARGE_LED# NLOCK_LED# CLOCK_LED# ...

A-30 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 29 of 30)

Notebook Schematic Diagrams A-31 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 30 of 30) 3 4 1 4 7 U11B SSHC14 M+5V 11 10 1 4 7 U34E SSHC14 13 12 1 4 7 U34F SSHC14 1 2 1 4 7 U11A SSHC14 M+5V M+5V M+5V 11 10 1 4 7 U53E SSHC14 13 12 1 4 7 U53F SSHC14 +5V +5V 13 12 1 4 7 U8F SSHC14 9 8 1 4 7 U12...

MPB Schematic Diagrams B-1 B MPB Schematic Diagrams B.1 Introduction This section contains schematic diagrams for the Extensa 900 Mobile Productivity Base. Logic schematics for the MPB are provided in Appendix A of this manual.

B-4 MPB Schematic Diagrams Figure B-1 MPB CPU Board Logic Diagrams (Sheet 3 of 3) C22SCD1U C13SCD1U C29SCD1U C40SCD1U C25SCD1U CPU_VEND CPU_ID2 CPU_ID3 1 1 1 1 2 R140R3 1 2 R20R3 1 2 R30R3 1 2 R120R3 1 2 R110R3 CPU_ID0 CPU_ID1 1 1 Not Installed C36SCD1U C30SCD1U R12 R11 R12 SHIGA SHIGA R2 R3 RATIO 1...

B-6 MPB Schematic Diagrams Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 1 of 10) 1 2 3 4 5 6 7 8 RP 5 SRN10 1 2 3 4 5 6 7 8 RP6 SRN10 1 2 3 4 5 6 7 8 RP 7 SRN10 $ P C ICL K0 AD 8 AD 9 AD 1 0 AD 1 1 AD 1 2 AD 1 3 AD 1 4 AD 1 5 AD 2 4 $PC ICLK0 2,10 1 2 R119 10R3 1 2 3 4 5 6 7 8 RP10 ...

MPB Schematic Diagrams B-7 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 2 of 10) 12 R21 22 R3 12 R39 DU MMY -R3 GN T#1 ID E_D ACK 0# INTC# ID E_ DA CK 0# GN T#1 TP110 1 8 3, 10 3 4 1 4 7 U11B SS HC 14 1 2 R158 DUMMY-R3 IR Q 1 5 +5V TP 37 7 D 12 CL K 11 Q 9 Q 8 VC C 14 P R 1 0 GND 7 ...

B-16 MPB Schematic Diagrams Figure B-4 MPB VGA Board Logic Diagrams (Sheet 1 of 5) $VGACLK 2 2 CRT_R CRT_G DEVSEL# RGBGND 2 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 ...

MPB Schematic Diagrams B-17 Figure B-4 MPB VGA Board Logic Diagrams (Sheet 2 of 5) 3 3 3 3 3 3 1 2 3 4 5 6 7 8 RP 8 SR N3 3 C2 8 S CD1 U C1 8 SC D1 U 1 2 3 4 5 6 7 8 RP 7 SR N3 3 RAS A# RAS B# C ASA H# C ASA L# WE A# WE B# PR AS A # PR AS B # P C A SAH # P C A SAL # PW EA # PW EB # C2 S C 1 0U1 6V C...

B-18 MPB Schematic Diagrams Figure B-4 MPB VGA Board Logic Diagrams (Sheet 3 of 5) VMAD8 VMAD9 VMAD10 VMAD11 VMAD12 VMAD13 VMAD14 VMAD15 VCC 1 DQ0 2 DQ1 3 DQ2 4 DQ3 5 VCC 6 DQ4 7 DQ5 8 DQ6 9 DQ7 10 N.C 11 N.C 12 N.C 13 N.C 14 WE 15 RAS 16 N.C 17 A0 18 A1 19 A2 20 A3 21 VCC 22 VSS 44 DQ15 43 DQ14 42 ...

B-20 MPB Schematic Diagrams Figure B-4 MPB VGA Board Logic Diagrams (Sheet 5 of 5) 5VIN 7 3.3VIN 6 SR 8 VCC 2 VCC 3 S1 5 S2 4 G N D 1 U7 SI9706DY 2 3 1 1 4 7 U9A SSHC02 +5V +3.3V VGAPWR +3.3V 11 12 13 1 4 7 U9D SSHC02 +3.3V +3.3V C4 SC1000P50V3MX C49 SC10U16V C48 SC1U16V5ZY VGAPWR DVCC Cl ose 105(MG...

POST BIOS C-1 C POST BIOS C.1 Introduction This section contains a listing of the POST BIOS calls for the Extensa 900 Series Notebook. ;----------------------------------------------------------------------------; Make sure we entered POST in real mode; Determine the CPU type; Convert all segment li...