Compaq Compaq Portable II Especificaciones Pagina 1

Foreword NoticeThe information in this guide is subject to change without notice.Compaq Computer Corporation shall not be liable for technical or edit

Average Access Time 105 ms (maximum)Data Transfer Rate 5 Mb/s------------------------------------------------------------------------------10 Megabyte

To remove the monitor enclosure assembly:1. Complete the removal procedures for all installed controller and optionboards (see Section 7.9).2. Remove

bottom of the chassis (Figure 7.12-3).9. Return the computer to its flat position on the work surface.10. Remove the last two screws that secure the m

12. For the COMPAQ Portable and COMPAQ PLUS Personal Computers, disconnectthe power cable connector from the sweep board.13. To remove the monitor enc

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To replace the keyboard assembly, reverse Steps 1 through 3.Chapter 7.14 Security Lock Switch Assembly Removal and Replacement The following procedure

3. Remove mass storage device Enclosure B (See Section 7.11).4. Unlock the keyboard from the front of the computer.5. Locate the security lock switch

7. Cut all tie wraps that secure the switch cable to the chassis.To replace the security lock switch assembly, reverse Steps 1 through 7.Chapter 7.15

NOTE: When the battery is disconnected, rerun SETUP when the battery isreplaced if CMOS memory has not retained the information entered during SETUP.T

Chapter 8. Jumper Settings, Switch Settings, and Adjustments Chapter 8.1 Introduction This section details the switch and jumper settings for the COM

Cooling Forced air provided by 16 VDC fanCurrent 2 amps, maximum at input voltage of 120 VAC,60 Hz----------------------------------------------------

Table 8-2. COMPAQ Portable and COMPAQ PLUS Video Display Controller BoardJumper Settings==============================================================

Chapter 8.4 Compaq Portable 286 System Board Jumper Settings Table 8.4 lists the various combinations of jumper settings for the COMPAQPORTABLE 286 bo

If both a monochrome video display controller board (with external monochromedisplay) and a COMPAQ video display controller board are installed, themo

Table 8.5 lists the various combinations of switch and jumper settings forboth versions of the COMPAQ PORTABLE 286 diskette/tape controller board.For

------------------------------------------------------------------------------J1 Diskette/tape Secondary address Primary addresscontroller board (370h

the COMPAQ PORTABLE 286 system board.64 Kbyte RAM Chips - BASE 256 Kbytes256 Kbyte RAM Chips - BASE 640 Kbytes or * 512 Kbytes* For optional 512 Kbyte

Board Version 1Bank 0 contains 64 Kbytes of soldered in memory in nine, 64K x 1 RAM chips.Bank 1 also contains 64 Kbytes of soldered in memory in nine

The SW1 and SW2 switch settings on the system and define the configuration forthe computer system. See Figure 8.7-2 for the switch functions andTables

------------------------------------------------------------------------------NOTE: Do not use a graphite pencil to change the switch setting.========

Bank 3 also consists of eight sockets that can be populated either with64K x 1 RAM chips or 256K x 1 RAM chips.In addition to Banks 2 and 3, Version 2

Chapter 2. Power On Self Tests (POST)/Problem Isolation Chapter 2.1 Introduction This section provides a list of assemblies checked by the Power On S

Chapter 8.8 Compaq Portable and Compaq Plus Asynchronous Communications/Clock Board Jumper Settings Jumpers on the COMPAQ Portable and COMPAQ PLUS as

3-14, 4-13:20 mA current loopoperation==============================================================================When changing the COM1/COM2 addres

Table 8.9-1. 25 Pin Asynchronous Connector==============================================================================Signal Names and Description P

+ Receive current loop data (20 mA) 17No Connection 18Data Terminal Ready (DTR) 19No Connection 20Ring Indicator (RI) 21* EIA ON + 12V Option 22* EIA

Table 8.9-3. 9 Pin Serial Connector==============================================================================Signal Names and Description Pin Numb

drive controller board to the diskette drive power and signal connectorsof the drive being tested (See Chapter 7, "Removal and ReplacementProcedu

IS THIS THE CORRECT FORMAT (Y/N)The number of tracks for a 320 Kbyte diskette is 40 and the number of sectorsis 8. For a 360 Kbyte diskette, the numbe

COMPAQ PORTABLE 286 Personal Computers will operate properly at a speedwithin plus or minus 2 percent of the specified value. However, it is goodpract

7. Using the label on the high voltage access plate as a guide, locate andadjust the BRITE control until the screen raster appears on the display.Chec

display unit.14. Use the CTRL + ALT + < command to place the display in the low resolutiongraphics mode. Press and hold down the CTRL and the ALT k

system board between the expansion slots, is visible.4. Remove all non COMPAQ options (board, drives, and so on) from thecomputer.5. Install a loopbac

Chapter 3. Setup Please consult the SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE for currentinformation on SETUP.

Chapter 4. Diagnostic Procedures Please consult the SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE for currentinformation on DIAGNOSTICS.

Chapter 5. Error Messages and Codes Chapter 5.1 Introduction This section provides Power On Self Test error messages, DIAGNOSTIC errorcodes, and memo

This limited warranty does not extend to any products that have been damagedas a result of accident, misuse, abuse, non Compaq modification, or as are

------------------------------------------------------------------------------304 - Keyboard or System None KeyboardUnit Error------------------------

2 Short Controller Board------------------------------------------------------------------------------6XX None Disk Drive Assembly--------------------

102 - 08 287 Coprocessor wrongmask bit set in statusregister102 - 15 287 socket is unoccupied,or 287 is inoperative-----------------------------------

109 - 01 CMOS clock load data testfailed109 - 02 CMOS clock rollover testfailed110 - 01 8254 load data test failed110 - 02 8254 dynamic test failed111

203 - 03 Error during restore of code.program in write/read test 2. Replace the system board.204 - 01 Memory address test failed204 - 02 Error during

303 - 07 Keyboard LED test, LEDcommand test failed303 - 08 Keyboard LED test, commandbyte restore test failed303 - 09 Keyboard LED test, LEDsfailed to

402 - 11 Printer interrupt data, and 1. If a printer is connected, becontroller register failed sure it is turned ON and inthe online mode.402 - 12 Pr

------------------------------------------------------------------------------Error Error RequiredCode Description Action-----------------------------

610 - 03 Previously exceeded max 3. Replace the diskette drivesoft error limit power and signal cables.4. Replace the diskette drive610 - 04 Previousl

1101 - 02 Serial Port Test, Line 1. Check diskette/tape controllerinput or UART fault board for proper shunt jumpersettings (see Chapter 8). *1101 - 0

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line failure1109 - 06 Serial Clock Test, dataline failure------------------------------------------------------------------------------Error Error Req

1716 - 02 Exceeded maximum hard error 3. Replace the fixed disk drivelimit controller board. *4. Replace the fixed disk drive1716 - 03 Previously exce

1716 - 51 Failed file I/O test The following steps apply to errorin read test codes 1700 - xx through 1716 - 59:1716 - 52 Failed file I/O test in 1. C

1906 - 07 Tape already servo written------------------------------------------------------------------------------Error Error RequiredCode Description

The memory error code points to a specific memory address. The physicallocation of the memory address depends on the type of system, the number andtyp

01 U5 U6 U7 U802 U20 U21 U22 U2304 U25 U26 U27 U2808 U41 U42 U43 U4410 U47 U48 U49 U5020 U63 U64 U65 U6640 U70 U71 U72 U7380 U81 U82 U83 U8400 U88 U89

40 U4 U13 U22 U31 U40 U49 U58 U6720 U5 U14 U23 U32 U41 U50 U59 U6810 U6 U15 U24 U33 U42 U51 U60 U6908 U7 U16 U25 U34 U43 U52 U61 U7004 U8 U17 U26 U35

1000 201 Bank 1, Parity Bit U38 Replace System Board1001 201 Bank 1, Data Bit 0 U96 or U69 * Replace System Board1002 201 Bank 1, Data Bit 1 U86 or U6

------------------------------------------------------------------------------* Location of Failed Chip if using Alternate Bank 2 and 3.==============

Chapter 6. Illustrated Parts Catalog Chapter 6.1 Illustrated Parts List for Compaq Portable and Compaq Plus Personal Computers Section 6.1 provides a

Chapter 4 "DIAGNOSTIC Procedures" describes the use and function of the'COMPAQ DIAGNOSTIC Program Version 3. The text provides a detail

2 100374-001 ** AC Power Cord3 100487-001 ** Keyboard Assembly---------------------------------------------------------------------------** Part numbe

12 100031-001 ** Sliding Door Panel------------------------------------------------------------------------------* This part is included in the Miscel

10 100512-001 *** ** Diskette Drive ControllerCable11 101341-001 ** Diskette/Printer ControllerBoard12 101750-001 ** Chassis Assembly13 100643-001 **

3b  100482-001 ** Fan/Bracket Assembly4 102709-001 * Drive Ground Strap5 102709-001 * Drive Shock Mount6 100478-001 ** System Board Assembly7 100478-

2 100512-001 * ** VDU Signal Cable3 100493-001 ** Speaker Assembly4 100442-002 ** Monitor Floor-------------------------------------------------------

10 102709-001 * Ty-Wrap11 102709-001 * Push Mount------------------------------------------------------------------------------* These parts are inclu

Item Number Part Number Description------------------------------------------------------------------------------1 101710-001 Assembly, Enclosed Chass

10 101097-001 ** Lower Case11 102709-001 * VDU Foot/Detent12 100031-001 ** Sliding Door Panel---------------------------------------------------------

Board10 102933-001 *** ** Fixed Disk DriveController Cables11 105033-001 ** Memory Expansion Board12 102933-001 *** ** Mass Storage Power Cable13 1017

6 101732-001 ** Blank Drive Plate7 102706-001 ** 20 Megabyte Fixed Disk Drive8 102709-001 * Dual Drive Insulator9 102775-001 1.2 Megabyte Diskette Dri

o Diskette drive signal extension cable (PN 100546-001)o Diskette drive power extension cable (PN 100545-001)o Special Service Tool Kit (PN 101089-001

3 101796-001 ** Fan/Bracket Assembly4 102709-001 * Drive Ground Strap5 102709-001 * Drive Shock Mount6 101795-001 ** System Board Assembly7 101795-001

------------------------------------------------------------------------------1 105034-001 ** Monitor Assembly2 102933-001 * ** VDU Signal Cable3 1004

8 102709-001 * Drive Shock Mount9 101750-001 ** System Chassis Assembly10 102709-001 * Tie Wrap11 102709-001 * Push Mount-----------------------------

Chapter 7. Removal and Replacement Procedures Chapter 7.1 Introduction Before starting removal procedures, review Chapter 6, "Illustrated PartsC

3. Disconnect any peripheral devices (printer, monitors, and so on) from thecomputer.4. Disconnect the AC power cord from its power source and from th

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5. To remove the other access panel, turn the computer over so that theremaining cover is facing up. Repeat Steps 1 through 4.To replace either the to

up from the system chassis and lifting it away from the computer.To replace the board slots access plate, reverse Steps 1 through 3.>>>>&g

To remove the mass storage device access plate:1. Remove the board slots access plate (see Section 7.4).2. Loosen (DO NOT REMOVE) the five retaining s

2. Place the computer so that the display is facing downward against the worksurface.3. Locate and loosen (DO NOT REMOVE) the two screws that secure t

Chapter 1. Operating and Performance Specifications Chapter 1.1 Introduction This section provides operating and performance specifications for the C

COMPAQ Portable Power Supply Subsystem Removal and Replacement (for COMPAQPortable and COMPAQ PLUS Personal Computers with serial numbersbelow 1524020

3. Once the fuse box is out, you will see a spare fuse in a holding area inthe fuse box (Figure 7.8-3). Lift out the defective fuse and replace itwith

NOTE: If the fuse has been replaced a number of times, the fuse clips maylose their tension and not make good contact with the fuse. Check the fusecli

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To replace the power switch filter assembly, reverse Steps 1 through 5.COMPAQ Portable Power Supply Assembly Removal and ReplacementTo remove the COMP

4. Using the two piece socket tool and the socket or a 5/16 inch box endwrench, unscrew the spring loaded hexhead screw that is on the lowercorner of

releases the power supply assembly from the chassis.7. Carefully lift the power supply assembly out of the chassis and gentlyremove all remaining conn

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5. Carefully lift the fan/bracket assembly out and away from the chassis(Figure 7.8-12). Route the fan cable through the access hole and chassis.To re

assembly, the power supply assembly, and the power switch filter assembly.COMPAQ PORTABLE 286 AC Line Fuse Removal and ReplacementTo remove the AC lin

Power Cable:Length 79 in. (2006.6 mm)Gauge 18 AWGEnvironmental Requirements:Temperature:Operating 50oF to 104oF (10oC to 40oC)Nonoperating 32oF to 140

4. Once the fuse box is out, you will see a spare fuse in a holding area inthe fuse box (Figure 7.8-15). Lift out the defective fuse, and replace itwi

5. Slide the fuse box back into place. Press the cover until you feel itsnap into place.COMPAQ PORTABLE 286 Fan/Bracket Assembly Removal and Replaceme

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To replace the fan/bracket assembly, reverse Steps 1 through 6.COMPAQ PORTABLE 286 Power Supply Assembly Removal and ReplacementTo remove the Power Su

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3. Remove the 1/4 inch hex nut and the tie wrap that hold the power switchground cable.4. Lift the power switch filter assembly out and place it on th

To replace the power switch filter assembly, reverse Steps 1 through 5.Chapter 7.9 Controller and Expansion Board Removal and Replacement Before begin

To remove the fixed disk drive controller board:1. Complete the Board Slots Access Plate Removal procedure (see Section 7.4).2. Disconnect the two fix

NOTE: Controller and expansion board retaining screws may be located eitherinside or outside the chassis.To replace the fixed disk drive controller bo

------------------------------------------------------------------------------Dimensions:Height 1.69 in. (4.33 cm)Width 5.875 in. (14.6875 cm)Depth 8.

3. Remove the retaining screw that secures the video display controllerboard and disconnects the video display signal cable(Figure 7.9-4).NOTE: Contro

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3. Disconnect the diskette/tape controller board signal cable by pressing thefinger tabs (if available) that are located on both sides of the connecto

Computers) on the system board. (Figure 7.9-7).NOTE: Controller and expansion board retaining screws may be located eitherinside or outside the chassi

To replace the expansion board, reverse Steps 1 through 4.NOTE: Ensure that the retainers on the bottom side of the board slots accessplate fit secure

o Monitor power connector (COMPAQ PORTABLE 286 only)o Battery connector (COMPAQ PORTABLE 286 only)o Speaker connectorSee Figure 7.10-1 for the locatio

6. Slide the system board to the rear, lifting it slightly upward, so thatthe six nylon standoffs (attached to the bottom of the system board)clear th

1. Remove the system board.>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

2. Using the special IC removal tool, remove the defective memory or ROMchip(s) (Figure 7.10-6).3. Using the special IC insertion tool, replace the de

4. To replace the system board, reverse Steps 1 through 6, which arepresented at the beginning of this section.NOTE: After replacing any defective com

PowerCurrent 4 ampsPower Cable:Length 72 in. (1828.8 mm)Gauge 18 AWG------------------------------------------------------------------------------Envi

The mass storage devices have different configurations depending on thecomputer model. Determine the configuration of the mass storage devices.COMPAQ

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6. Remove the two shock mount screws.7. Return the computer to its flat position on the work surface.8. Remove the top mounting screw from Enclosure B

10. If Enclosure B contains a fixed disk drive, disconnect the fixed diskdrive LED connector from the front of the enclosure and remove thisenclosure

4. Disconnect any power cables that may be connected to sockets J114 orJ115 on the system board (Figure 7.11-6) of a COMPAQ PORTABLE 286Personal Compu

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8. Slide Enclosure A to the rear of the computer and lift it up and out ofthe computer (Figure 7.11-9).>>>>>>>>>>>>

front shock mount of each enclosure.>>>>>>>>>>>>>>>>>>>>>>>>>>>>&g

To replace Device 2A, reverse Step 9.NOTE: Replace the drive insulator pad if it was removed when replacingdevices in this enclosure.To remove Device

To replace Device 1A, reverse Step 10.To replace Enclosure A, reverse Steps 1 through 8.>>>>>>>>>>>>>>>&g