Page 1 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Jumper & Switch Information Specifications See the Notice...
Page 2: Product Description
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications PRODUCT DESCRIPTION...
Page 3: Troubleshooting
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications TROUBLESHOOTING...
Page 4: Illustrated Parts
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 5: Removal And Replacement Procedures
Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES This section provides general service information for Compaq 7400 Series Personal Computers. Adherence to the procedures and precautions described in this section is essential for safe and proper service. Removal Sequence...
Page 6 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION - INDEX PAGE Jumper &...
Page 7 Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS - INDEX PAGE This section provides physical, environmental, and performance specifications for Compaq 7400 Series Personal Computers. System Power supply Diskette drive Hard drive DVD drive...
Page 8 This guide contains information protected by copyright. No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. © 1999 Compaq Computer Corporation. All rights reserved. Compaq, Presario Registered U. S. Patent and Trademark Office.
Page 9: Technician Notes
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario 7400 Series Personal Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 7400 Series Personal Computers without notice.
Page 10: Locating Additional Information
Serial Number When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The serial number can be found on the front right side of the chassis (between the CD/DVD/Zip drives and the drive door hinge) and also on the back of the computer above the power supply.
Page 11: Before You Begin
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 12 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 13 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/serno.html (2 of 2) [1/8/2002 3:52:10 PM]...
Page 14 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 15 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Lift up on the chassis and pull it completely out of the cover. Replacement To replace the chassis, reverse this procedure. privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/hood.html (2 of 2) [1/8/2002 3:52:11 PM]...
Page 16 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 17 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 18 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 19 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Remove the bracket and pull the fax/modem out of the slot. NOTE: Select models may contain an Ethernet network card. Replacement To replace the fax/modem, reverse this procedure. privacy and legal statement...
Page 20 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 21 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Remove the two screws that secure the PCI bracket to the back of the chassis. Remove the bracket. Replacement To replace the PCI bracket, reverse this procedure. privacy and legal statement...
Page 22: System Board Components
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 23 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 24 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 25 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Remove the screw holding the Creativity Action Center port to the chassis. Release the top clip by sliding the Creativity Action Center port to the left and push it in to remove it.
Page 26: Jumper & Switch Information
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 27: Hard Drives
3.5" Hard Drives DVD drive CD drive Compaq Computer Corporation uses IDE hard disk drives that conform to two different device Zip drive 0/device 1 implementations. These are Conner mode and ATA-compatible mode. These two modes are incompatible with one another.
Page 28: Hard Drive Jumper Settings
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series 3.5" Hard Drive Jumper Settings privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/hdjum.html (2 of 2) [1/8/2002 3:52:17 PM]...
Page 29 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 30 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/cddrive.html (2 of 2) [1/8/2002 3:52:18 PM]...
Page 31: Dvd Drive
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 32 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/dvdrve.html (2 of 2) [1/8/2002 3:52:19 PM]...
Page 33: Zip Drive
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 34 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/zipjum.html (2 of 2) [1/8/2002 3:52:19 PM]...
Page 35: General System Specifications
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 36: System Interrupts
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Shipping Weight 36.6 lbs 16.4 kg Input Requirements Voltage Range 100 to 120 210 to 240 AC Frequency 50 or 60 Hz 50 or 60 Hz Fluctuations 5v +/-5% 3.3v +/-3%...
Page 37 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series IRQ 3 (free) IRQ 4 Communications Port (COM1) IRQ 5 (free) IRQ 6 Standard Floppy Disk Controller IRQ 7 ECP Printer Port (LPT1) IRQ 8 System CMOS/real time clock...
Page 38 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Audio must use this setting for game compatibility. Used for audio, MPU-401, and volume control. *Default configuration; other configurations are as follows: Modem - IRQ 4, 10, 11, none...
Page 39: Power Supply
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 40 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Minimum Load 1.0 A on + 5.0 V output 1.0 A on + 5.0 V output; 0.2 A on 12 V output 0.2 A on 12 V output Ambient Temperature Range Operating 50°...
Page 41 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 42 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 43 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Track to Track (ms) 2.0 - 5.0 2.0 - 5.0 2.0 - 5.0 Average (ms) 9.5 - 15.0 9.5 - 15.0 9.5 - 15.0 Full Stroke (ms) 19 - 23...
Page 44 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 45 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series CD-ROM Mode 0 2352 bytes CD-ROM Mode 1 2352, 2340,2336, 2048 bytes CD-ROM Mode 2 2352,2340, 2336, 2048 bytes 2048 bytes Center Hole 15 mm diameter Disc Diameter 12 cm, 8 cm Thickness 1.2 mm...
Page 46 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 47 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Laser Divergence Angle 53.5 degrees +/- 1.5 degrees Output Power 0.14 mW (@ objective lens) Type Semiconductor laser GaAIAs Wave Length 780 nm +/- 25 nm Access Time Random <...
Page 48 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series CD-ROM Modes 1 and 2 CD-DA Audio CD-ROM XA Mode 2, Form 1 and 2 Photo CD Single and Multi Session CD-I Mode 2, Form 1 and 2 CD EXTRA...
Page 49 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Bus Rate Burst 4.0 MB/s minimum Startup Time (Single) < 7 sec (typical) Startup Time (Multisession) < 30 sec (typical) Stop Time < 4 sec privacy and legal statement...
Page 50 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 51 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Mechanical Exceeds 300 miles Exceeds 483 km Switch Exceeds 1 million Exceeds 1 million operations operations Relative Humidity 10% to 90%, noncondensing No soft errors through 6 kV; No hard errors through 6 kV;...
Page 52 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 53 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series * Both K56flex and V.90 are designed only to allow faster downloads from either K56flex or V.90 compliant digital sources. Maximum achievable download transmission rates are currently unknown, may not reach 56kbps, and will vary with line conditions.
Page 54: Zip Drive
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 55 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 56: Mass Storage Devices
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 57 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 58 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Cables Cables (not shown) Spare Part Number Modem Adapter Cable 304398-xxx. Click on the box to find the dash number for the modem adapter cable for a specific location.
Page 59 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 60 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series 32 MB 337372-001 64 MB 179190-001 128 MB 387073-001 privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/brds3.html (2 of 2) [1/8/2002 3:52:28 PM]...
Page 61 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 62 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 63 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS...
Page 64 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Compaq MV920, 19" (speakers 341269-001 not shown) privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/monitor.html (2 of 2) [1/8/2002 3:52:30 PM]...
Page 65: Illustrated Parts Catalog
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS CATALOG...
Page 66: Return Kits
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS CATALOG...
Page 67 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications ILLUSTRATED PARTS CATALOG...
Page 68 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series -003 March -006 June -009 September -012 December privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/docs.html (2 of 2) [1/8/2002 3:52:34 PM]...
Page 69 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT - BEFORE YOU BEGIN...
Page 70 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Creativity Action Removing DIPS from vinyl trays 11,500 V 4,000 V 2,000 V Center Removing DIPS from Styrofoam 14,500 V 5,000 V 3,500 V Removing bubble pack from PCBs...
Page 71 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series and a grounded floor mat. Static-Shielding Protection Levels Method Antistatic Plastic Carbon-Loaded Metallized Laminate Plastic Voltages 1,500 7,500 15,000 Grounding Workstations To prevent static damage at the workstation, use the following precautions: Cover the workstation with approved static-dissipative material.
Page 72 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series feet with a minimum of 1 megohm resistance between operator and ground. To be effective, the conductive strips must be worn in contact with the skin. Recommended Materials and Equipment...
Page 73: Service Considerations
The screws used in these products are not interchangeable. If an incorrect screw is used during Power supply the reassembly process, it could cause damage to the unit. Compaq strongly recommends that all screws removed during the disassembly process be kept with the part that was removed, then Mass storage returned to their proper locations.
Page 74 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series bending, twisting, or tearing the cables, and ensure that they are placed in such a way that they Instant On cannot be caught or snagged by parts being removed or replaced.
Page 75: Preparation For Disassembly
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES - BEFORE...
Page 76 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Instant On button board Creativity Action Center privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/prep.html (2 of 2) [1/8/2002 3:52:35 PM]...
Page 77: Removal And Replacement Procedures
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 78 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Remove the cover. Disconnect the signal, power, and audio cables from the CD, DVD, or CD-RW drive. NEXT STEP privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/cdrmv.html (2 of 2) [1/8/2002 3:52:36 PM]...
Page 79 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 80 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 81 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 82 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 83: System Board Components
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Fan/Heat sink &...
Page 84 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Fan/Heat sink &...
Page 85 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Release the retention clips of the socket unplug the DIMM from the system board Replacement To replace the DIMM, reverse this procedure. privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/dimm2.html (2 of 2) [1/8/2002 3:52:40 PM]...
Page 86 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Fan/Heat sink &...
Page 87 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series WARNING: The clock/CMOS lithium battery may explode if mistreated. Do not abuse. Use only replacement batteries supplied by Compaq Computer Corporation. privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/battery.html (2 of 2) [1/8/2002 3:52:41 PM]...
Page 88 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Fan/Heat sink &...
Page 89 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Remove the memory module. Remove all cables from the system board. Remove the six screws from the system board (may differ slightly from illustration) and separate it from the bracket.
Page 90 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 91: Removal And Replacement
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT...
Page 92: Jumper & Switch Information
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 93 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Reference Number Function Description Designator Diskette 34-pin FDD1 Drive Primary IDE 40-pin IDE1 Drive http://www.compaq.com/athome/support/msgs/7400/bdjum2.html (2 of 4) [1/8/2002 3:52:46 PM]...
Page 94 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Secondary 40-pin IDE2 IDE Drive Front I/O 10-pin USB2 Panel Button 20-pin Board Processor 4, 2-pin JP12-15 Frequency Jumper CMOS 3-pin Battery Battery BAT1 Socket holder 10-12,14 32-bit PCI...
Page 95 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series DSUB 15-pin VGA1 Connector Line Out Mini Stereo Game1D Line In Mini Stereo Game1B Microphone Mini Stereo Game1C Game Port DSUB 15-pin Game1A privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/bdjum2.html (4 of 4) [1/8/2002 3:52:46 PM]...
Page 96: Jumper Settings
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 97 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Jumpers 7-10 JP10 JP9 JP8 JP7 VCC2 OFF OFF OFF OFF 0 OFF OFF OFF ON 2.1 OFF OFF ON OFF 2.2 OFF OFF ON ON 2.3 OFF ON OFF OFF 2.4 OFF ON OFF ON 2.5...
Page 98 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/ty10jmpr1.html (3 of 3) [1/8/2002 3:52:47 PM]...
Page 99: Hard Drive
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications JUMPER & SWITCH INFORMATION...
Page 100 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series 5.25" Hard Drive Jumper Settings privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/hdjum2.html (2 of 2) [1/8/2002 3:52:48 PM]...
Page 101: Specifications
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 102 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series x0040 - x0043 System timer x0050 - x0052 Motherboard resources x0060 - x0060 Standard 101/102-Key or Microsoft Natural Keyboard x0061 - x0061 System speaker x0064 - x0064 Standard 101/102-Key or Microsoft Natural Keyboard...
Page 103 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series x03F0 - x03F5 Standard Floppy Disk Controller x03F6 - x03F6 VIA Bus Master PCI IDE Controller x03F6 - x03F6 Primary IDE controller (dual fifo) x03F8 - x03FF Communications Port (COM1)
Page 104 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series xEF76 - xFFF6 Alias of VIA Bus Master PCI IDE Controller privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/syspec.html (4 of 4) [1/8/2002 3:52:48 PM]...
Page 105: System Memory
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 106: System Dma
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series x000B0000 - x000BFFFF Standard PCI Graphics Adapter (VGA) x000C0000 - x000CFFFF Standard PCI Graphics Adapter (VGA) x000E0000 - x000FFFFF System board extension for ACPI BIOS x00100000 - x038FFFFF System board extension for ACPI BIOS...
Page 107 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/specdeta.html (3 of 3) [1/8/2002 3:52:48 PM]...
Page 108 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications SPECIFICATIONS...
Page 109 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Physical Logical Sectors per Track Physical 244-437 nom 244-416 (10 zones) 316-508 245-421 (10 244-416 (10 zones) zones) (10 zones) Logical privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/hdspcssg.html (2 of 2) [1/8/2002 3:52:49 PM]...
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Page 111 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Track to Track (ms) 1.5 - 2.0 1.5 - 2.0 1.5 - 2.0 Average (ms) 11 - 13 11 - 13 11 - 13 Full Stroke (ms) 18 - 22...
Page 112: Removal And Replacement Procedures
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 113 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Remove the two Creativity Action screwlocks that Center secure the parallel port to the chassis and pull the parallel port cable assembly out of the chassis. Replacement To replace the parallel port, reverse this procedure.
Page 114: Removal And Replacement
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT...
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Page 116 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT...
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Page 122 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
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Page 126: Mass Storage Devices
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT...
Page 127 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/cdrem2.html (2 of 2) [1/8/2002 3:52:53 PM]...
Page 128 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 129 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/cdrem3.html (2 of 2) [1/8/2002 3:52:54 PM]...
Page 130 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Mass storage devices 3.5"...
Page 131 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/rmv3hd2.html (2 of 2) [1/8/2002 3:52:54 PM]...
Page 132 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Mass Storage Devices 5.25"...
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Page 136 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
Page 137 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Fan/Heat sink &...
Page 138 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series To replace the processor, reverse this procedure. privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/remproc.html (2 of 2) [1/8/2002 3:52:57 PM]...
Page 139 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications TROUBLESHOOTING...
Page 140 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications TROUBLESHOOTING...
Page 141 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Extended RAM failed at Keyboard Error System Cache Error offset nnn Failing Bits nnn Operating System Not System CMOS Checksum Bad Found Fixed Disk 0 or 1 Failure Parity Check 1...
Page 142 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Incorrect Drive A Type of diskette in drive A: not 1. Run Setup. Type correctly identified 2. Replace the diskette drive. Invalid NVRAM Problem with NVRAM (CMOS) access Replace the system board.
Page 143 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series System Timer Error DMA, timers, etc. Replace the system board. UMB Upper Limit Displays the address nnn of the upper Status message. No action required. Segment Address limit of Upper Memory Blocks,...
Page 144 Specifications TROUBLESHOOTING Troubleshooting Configuration Clearing CMOS This section explains how to use Setup and Compaq Utilities which should be accessed in the Power-On Self Test following instances: (POST) When a system configuration error is detected during the Power-On Self-Test Configuration...
Page 145 Verify configuration parameters in determining problems Set time and date Running Setup To access the Setup utility, turn on the computer and press the F10 key when the Compaq logo appears. The following menu will appear: The actual menu displayed on your computer may NOTE: vary slightly, depending on your configuration.
Page 146 This section provides information about the menu options accessible from the Compaq Utilities menu. Create a Compaq Utilities Diskette A Compaq Utilities diskette must be created to troubleshoot the system. To create a Compaq Utilities diskette, complete the following steps: 1 Insert the QuickRestore CD into the CD drive.
Page 147 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series 8 After the CD has completed copying to the diskette, eject the QuickRestore CD. View System Information (INSPECT) The View System Information (INSPECT) utility provides information about the system once it has been configured.
Page 148: Diagnostics Software
Compaq.com - Compaq Presario Maintenance and Service Guide - 5400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications TROUBLESHOOTING...
Page 149: Troubleshooting Without Diagnostics
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Page 150: Flat-Panel Monitor
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series DVD drive power flat-panel monitor USB ports select models only) are provided in the tables below. The procedure for resolving hardware conflicts is also described. Flat-panel monitor Problem Probable cause(s)
Page 151 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Green power Your flat-panel FP400 and FP500 Series flat-panel monitors only light is monitor does not support 1024 x 768 resolution mode. Connect a VGA flashing. support the video...
Page 152 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series CD drive is not Open the computer and check to see that the connected properly. drive cable is connected properly. Proper driver is not Restart the system and make sure the CD loaded.
Page 153: Resolving Hardware Conflicts
The Computer Setup selection of your Compaq Utilities allows you to view and modify the settings for the peripheral devices factory installed in your system. Refer to the User's Guide for the particular peripheral cards you wish to install for information on how to view and select their settings.
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Page 156 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Disk Either the From the desktop click on the Start menu. transaction directory Choose Program Accessories System problem. structure is bad Tools Scandisk to check for problems. If or there is a...
Page 157: Hardware Installation
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Hardware installation Problem Probable cause(s) Possible solutions A new device is When the system advised Reboot the computer and follow not recognized you of changes to the the instructions for saving the...
Page 158: Possible Solution
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Computer does not The real-time clock (RTC) battery may need to be automatically replaced. Click here for replacement procedures. display the date and time. Computer does not beep The speaker volume may have been turned down.
Page 159 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Diskette Diskette may be damaged. From the desktop click on the drive light Start menu. Choose Program stays on. Accessories System Tools Scandisk to check for problems. Diskette may be installed Remove the diskette and incorrectly.
Page 160 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series SuperDisk Drive Problem Probable cause(s) Possible solution SuperDisk Diskette may be damaged. From the desktop click on the drive light Start menu. Choose Program stays on. Accessories System Tools Scandisk to check for problems.
Page 161 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series VGA Monitor Problem Probable cause(s) Possible solution Characters The brightness control is Adjust the brightness control. are dim. not set properly. Screen is A screen-blanking utility Press any key. If the display blank.
Page 162 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series There is a possible Restart the computer. application error. privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/trbnodg.html (8 of 8) [1/8/2002 3:53:00 PM]...
Page 163: Removal And Replacement Procedures
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES...
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Page 165: Mass Storage Devices
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Mass storage devices 3.5"...
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Page 167 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications REMOVAL & REPLACEMENT PROCEDURES Mass Storage Devices 5.25"...
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Page 171: Product Description
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications PRODUCT DESCRIPTION...
Page 172 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series PCI ITU V.90 7471 K6-2 (533) 30.0 CD-RW PCI ITU V.90 7473 K6-2 (533) 10.0 CD-RW 8X/10X DVD and PCI ITU V.90 7475 K6-2 (533) 40.0 CD-RW PCI ITU V.90...
Page 173 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series International 7474 K6-2 (533) 8X/10X DVD 8X/10X DVD and International 7478 K6-2 (533) 30.0 CD-RW International 7479 K6-2 (533) 15.0 40X CD International 7480 K6-2 (550) 15.0 40X CD...
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Page 177 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/kybdcon.html (2 of 2) [1/8/2002 3:53:08 PM]...
Page 178 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications PRODUCT DESCRIPTION Product Description Available on select models.
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Page 182: Power Cord Set Requirements
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers MSG index Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications PRODUCT DESCRIPTION...
Page 183 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Country-Specific Requirements Country Accredited Country Accredited Agency Agency Australia EANSW* Italy IMQ* Austria OVE* Japan JIS*** Belgium CEBC* Norway NEMKO* Canada CSA** Sweden SEMKO* Denmark DEMKO* Switzerland SEV* Finland...
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Page 185 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series United States Maintenance and Service Guide Compaq Presario 7400 Series Computers Product Description Troubleshooting Illustrated Parts Catalog Home Removal & Replacement Jumper & Switch Information Specifications PRODUCT DESCRIPTION Product Description...
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Page 188: Parallel Connector
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Parallel Connector Signal Signal Signal Strobe* Data Bit 5 Select Data Bit 0 Data Bit 6 Auto Linefeed* Data Bit 1 Data Bit 7 Error* Data Bit 2 Acknowledge*...
Page 189: Keyboard And Mouse
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Data Terminal Ready Signal Ground Data Set Ready Ready to Send Clear to Send Ring Indicator Universal Serial Bus Signal - Data +Data Ground +5 VDC Keyboard & Mouse...
Page 190 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series +5 VDC Clock Unused privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/conpin.html (4 of 4) [1/8/2002 3:53:11 PM]...
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Page 192 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Signal Signal Signal +5 VDC Y-Axis (1) X-Axis (2) Fire A (1) Fire B (1) MIDI Out X-Axis (1) +5 VDC Y-Axis (2) Ground +5 VDC Fire B (2)
Page 193 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Unused Ring Unused Internal Fax/Modem Signal Signal Signal Unused Ring Unused Unused Unused privacy and legal statement http://www.compaq.com/athome/support/msgs/7400/conpin2.html (3 of 3) [1/8/2002 3:53:11 PM]...
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Page 195 Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series Green Analog Ground Blue Analog Volume Down Volume Up DDC Data Ground Horizontal Sync Ground Analog Vertical Sync Ground Analog DDC Clock Ground Analog CD Drive Data Cable Signal...
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