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End User License Agreement


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... /for your upgrade eligibility. 3. Recovery Solution. This EULA is automatically terminated. entirely by the terms and conditions of the Software Product to another end user. This EULA applies to updates or supplements to the original Software Product provided by HP unless HP provides other form, may not be used for restoring the hard disk of a hard disk drive-based solution, an external media-based recovery solution...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... specifications for the following COMPAQ PORTABLE 486c Personal Computer subsystems: o System Unit o Full Function 101/102 Key Keyboard o Active Matrix Color VGA Display o Power Supply o 3 1/2 inch 1.44 Megabyte Diskette Drive o 210 and 120 Megabyte Fixed Disk Drives Chapter 1.1 System Unit U.S. Chapter 1. Other Dimensions Height 11.0 inch 27.9 cm Width 15.6 inch 39.6 cm Depth 5.5 inch 13.9 cm Weight (with keyboard) Model 210 17.6 lb 7.9 kg Model...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... the COMPAQ PORTABLE 486c Personal Computer when it is set when a key icon (0--m) appears on password, if it to the computer. 2. Power On Self Test (POST) Introduction This chapter lists the subassemblies checked by an audible and/or visual message. Chapter 2.1 POST POST is a series of diagnostic tests that the computer system is functioning properly: o Processor Board o Memory Module o Keyboard o Controller Circuitry o Video Circuitry o Fixed Disk Drive o Diskette Drive...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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...; IMPORTANT: It is set when the DriveLock icon (see illustration of DriveLock icon below) appears on the computer. 9. Position the brightness and volume controls approximately in order to Chapter 3, "Error Messages and Codes," for detailed information on the I/O board. Follow the procedures of their range. 7. Chapter 2.3 Clearing Power On Password To clear the power on password feature, reset the power on password switch (SW5) located on problem isolation. however, complete...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... flowchart gives troubleshooting procedures for identifying and correcting problems that may occur during POST. Disconnect the AC power. 2. Reconnect AC power. 5. Disconnect AC power. 9. Chapter 2.4 Problem Isolation Flowchart The problem isolation flowchart provides a quick reference for identifying malfunctions. It also directs you to the Diagnostics chapter in the SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE and to OFF. 8. 1. set the switch to Chapter 5). 10. Turn the computer...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... for the COMPAQ PORTABLE 486c Personal Computer. Chapter 3.1 Power On Self Test Messages An error message results if a problem is encountered during POST, which runs automatically when the system is turned on delay 172 - board. 162 - EISA Slot ID 1 Short Board replaced, Chapter 3. Error Messages and Codes This chapter contains Power On Self Test (POST) messages, Diagnostic error codes, and memory error codes for error codes 172-xx Memory jumper installed through...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... in Run COMPAQ EISA Type Error drive type Configuration utility. 610 - computer. 701 - Disk 1 None Fixed disk drive/ 1. External None External Storage Turn on External Storage Module Module connected Storage Module or Failure. Failure format error 2. Check and/or replace the power distribution board. 3. Failure format error 2. Coprocessor None Coprocessor Replace processor Error board. 1151 - Check and/or replace the power distribution board. 3. Comm Port 1 2 Short Added or removed Run COMPAQ EISA Configuration modem, or...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... - 53 Failure to the SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE for additional information on running the Diagnostics program (refer to terminate processor 101 - 54 Time out waiting for error codes 101 - 02 32 bit CPU failed 101 - After completing each case, the Recommended Action column lists steps necessary to resolve the error condition. A or AA = number that represents faulty assembly YY...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... - 03 Failed RAM/ROM protect test 202 - 04 System RAM/ROM checksum test failed 203 - xx: 1. Replace the processor board and retest. 201 - 03 Memory machine ID and type test failed 202 - write/read test 203 - 03 Error during restore of test 113 - 54 Time out waiting for completion of memory in board and retest. Replace the system ROM 201 - 02 Memory machine type and retest...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... Failed 504 - 01 Video Character Set Test Failed 505 - 01 Video 80 x 25 Mode 9 x 1 Character Cell Test Failed 506 - 01 Video 80 x 25 Mode 8 x 8 Character Cell Test Failed and control register failed 3. xx through 403 - Active Matrix Color Display Test Error Codes Error Recommended Code Description Action 501 - 01 Video Controller Test Replace the video board Failed and retest for error codes 501 - xx through 502 - 01 Video Memory Test 516 - 402...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... - xx Diskette ID drive types The following steps apply test failed to error codes 600 - Replace the diskette and retest. 602 - xx: 601 - 507 - 01 Video 40 x 25 Mode Test Failed 508 - 01 Video 320 x 200 Mode Color Set 0 Test Failed 509 - 01 Video 320 x 200 Mode Color Set 1 Test Failed 510 - 01 Video 640 x 200 Mode Test Failed 511 - 01 Video Screen Memory Page Test Failed 512...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... - 09 Serial Port Test; 3. Serial Test Error Codes Error Recommended Code Description Action 1101 - 01 Serial Port Test: UART Replace the I /O board and retest. 699 - 00 Diskette drive/media ID 1. UART THRE bit failure 1101 - 07 Serial Port Test; COM2 set to invalid interrupt Error Recommended Code Description Action 1101 - 12 Serial Port Test; data line fault 1101 - 05 Serial Port Test; Check and/or replace drive cable and retest. 4. Run COMPAQ EISA EISA Configuration utility Configuration utility. UART DATA...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... Error Recommended Code Description Action 1906 - 23 Change line not set 1906 - 31 Unexpected drive status 1906 - 32 Device fault 1906 - 33 Illegal command xx: 1. Replace the tape 1906 - 11 Drive recalibration error cartridge and retest. 2. Replace the tape 1906 - 12 Tape not servo written drive and retest. 3. controller 1906 - 28 Format gap error 1906 - 30 Exception bit not set The following steps apply to error codes...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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... mode color set 0 test failed 2409 - 01 Video 320 x 200 mode color set 1 test failed 2410 - 01 Video 640 x 200 mode test failed 2411 - 01 Video screen memory page test failed 2412 - 01 Video gray scale test failed 2414 - 01 Video white screen test failed Error Recommended Code Description Action 2416 - 01 Video noise pattern test Replace the video board failed and retest for error 2403 - 01 Video attribute test failed codes...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


Page 42
xx Video 640 x 480 graphics mode test failed 2432 - Pointing Device Interface Test Error Codes Error Recommended Code Description Action 8601 - Replace the I/O board and retest. XX000Y ZZ Error Message | |-------- 201 (ROM) | Failed data bit. xx Pointing Device Interface 1. The physical location of the memory address depends on the number and type of memory modules installed and the type of test failed mouse driver software. 2. Install new copy of memory device used. Chapter 3.3 Memory Error Codes Memory error codes appear when the ...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


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Miscellaneous Hardware Description Part Number Logo Labels 128944-001 Plastic Parts Kit Access Cover Brightness/Volume Controls Board Guide Assembly Keyboard Feet Options Door Options Bezel Screw Covers Switch Cover 135900-001 Hardware Kit Anti skid feet Backlight cable Diskette drive cage ground strap Display inverter board insulator Fixed disk drive ground strap Enhanced option cap Enhanced option shield Options cover 128945-001 Screw Kit 4-40 x 3/16, PNHD, Torx 133982-001 Screw Kit 6-19 x 1/4, PNHD, Torx, PT, CS 136965-001...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


Page 54
... contains enough power to verify that all and will work perfectly throughout a normal cycle. Generating Static Table 5-1 shows how different methods generate static electricity and at all components operate properly. Proper packaging and Or it may not be sure you are sensitive to the SUPPORT SOFTWARE MAINTENANCE AND SERVICE GUIDE for information on installing new or updated utilities when adding or removing options. Preventing...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


Page 55
... not possible, use footstraps and a grounded floor mat. Preventing Damage to Drives To prevent static damage to diskette drives and fixed disk drives, handle drives gently and perform the following precautions to protect equipment from any height onto any surface. o Handle drives on a grounded surface before removing them from assemblies in their container. o Place reusable electrostatic sensitive parts from their...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


Page 85
Memory Expansion COMPAQ PORTABLE 486c Personal Computer Memory Module(s) Added Total Slot 1 to Slots 2, 3, or 4 Memory 4 MB 2 MB 2 MB 6 MB 4 MB 2 MB 2 MB 2 MB 8 MB 4 ...Memory modules can be added in any available slot. NOTE: Memory modules can be installed in any combination and in combinations of 32 megabytes. Table 5-3. To replace the keylock, reverse the steps in Table 5-3. However, slot 1 must contain a memory module. Chapter 5.17 Memory Expansion Some of the memory expansion alternatives for a total of 2, 4, and 8 megabytes for the COMPAQ PORTABLE...
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Compaq Portable 486c Personal Computer Maintenance and Service Guide


Page 87
... user to change the configuration in the following table are set for the computer as configured by Compaq Computer Corporation. The I /O Board Switch Settings (Assy No. 002142) Switch Position Status Function SW1 ON Disabled Controls the integrated OFF Enabled video graphics controller. ON is the default position and uses the EISA configuration selection. ON sets the diskette drive for the COMPAQ PORTABLE 486c Personal Computer I /O board. Figure 6-1 shows the location of each switch. SW2 ON Enabled Controls EISA configuration...

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  • Compaq Portable 486c Personal Computer Maintenance and Service Guide
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