Dell OptiPlex E1 Service Manual
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Dell OptiPlex E1 Service Manual

Dell OptiPlex E1 Service Manual

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  • Page 1 ® Š Š...
  • Page 2 Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell , the DELL logo, and OptiPlex are registered trademarks of Dell Computer Corporation; MS-DOS , Microsoft , and Windows are registered trademarks of Microsoft Corporation; Intel and Pentium are registered trademarks and Celeron and MMX are trademarks of Intel Corporation;...

  • Page 3: Table Of Contents

    System Features ..........1-1 Intel Celeron Microprocessor .
  • Page 4 Hard-Disk Drive Service Information ......1-13 Power-Supply Service Data ....... . . 1-13 Pin Assignments for the DC Power Connectors .
  • Page 5 System Setup Screen ......... A-2 Figure 1-1. OptiPlex E1 Low-Profile Chassis ..... . . 1-1 Figure 1-2.
  • Page 6 DREQ Line Assignments......1-12 Table 1-4. OptiPlex E1 DC Voltage Ranges ..... . 1-14 Table 1-5.
  • Page 8 A prerequisite for using this manual to service Dell computer systems is a basic ® knowledge of IBM -compatible PCs and prior training in IBM-compatible PC troubleshooting techniques. In addition to information provided in this manual and the User’s Guide that came with the system, Dell provides the Diagnostics and Troubleshooting Guide for troubleshooting procedures and instructions on using the Dell diagnostics to test the computer system.
  • Page 9 (266 MHz), upgradable desktop computer built around an Intel Celeron microprocessor. The OptiPlex E1 system uses a standard system board with an integrated NIC controller with Wakeup On LAN capability. The OptiPlex E1 system is available only in the low-profile desktop chassis (see Figure 1-1).
  • Page 10 Main memory for the OptiPlex E1 system ranges from a minimum of 16 MB to a maximum of 256 MB. All main memory is implemented using high-speed non-ECC DIMMs. One to two DIMMs, ranging in memory capacity sizes from 16 to 128 MB, may be used to provide a maximum memory capacity of 256 MB.
  • Page 11 System Setup program as Drive A or Drive B. The tape drive is then listed as Not Installed (under either the Drive A or Drive B category). The OptiPlex E1 system includes an integrated high-performance 64-bit base- line AGP subsystem, implemented on the system board, which drives an external SVGA monitor.

  • Page 12: System Features

    The TAPI-compliant telephony input is a mono source with a maximum signal level of 2 Vrms. The OptiPlex E1 system provides chassis intrusion detection. If the computer cover is removed, the Chassis Intrusion setting in the System Setup program...
  • Page 13 AC power outlets in the U.S. and all international countries. The OptiPlex E1 system has a special power supply that provides trickle (“flea”) power to support the Wakeup On LAN feature when computer power is off.
  • Page 14 2 connector video connector security cable slot The OptiPlex E1 system contains advanced expansion subsystems that can support a mixture of traditional ISA expansion cards (called legacy cards), Plug and Play ISA expansion cards, and PCI expansion cards.
  • Page 15 The OptiPlex E1 computer has three expansion-card slots. The riser board has two ISA expansion-card connectors and two PCI expansion-card connectors. One PCI expansion-card connector and one ISA expansion-card connector share a single expansion-card slot, resulting in a total of three expansion-card slots (see Figure 1-4).
  • Page 16 The following subsections provide service-related information about the computer. The OptiPlex E1 system is equipped with the integrated Wakeup On LAN- capable NIC, enabling the following tasks to be performed by a system admin- istrator at a remote location: Perform computer setup processes...
  • Page 17 optional NIC connector microphone (ENET) serial port 2 microprocessor jack (MIC) connector (SERIAL2) mouse/keyboard fan connector optional video connector connectors (FAN) line-out jack (MONITOR) USB connectors (2) (stacked) (LINE-OUT) (USB) (MOUSE/KYBD) optional line-in jack (LINE-IN) parallel/serial port 1 CD-ROM audio connectors (stacked) interface (PARALLEL/SERIAL1)
  • Page 18 Password Install to enable the password feature enable or (default). disable * One set of speed jumpers must have a jumper plug installed; otherwise, the system will operate at an undetermined speed. 1-10 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 19 7DEOH  ,QWHUUXSW $VVLJQPHQWV ,54 /LQH 8VHG %\$YDLODEOH IRQ0 Generated by system timer. IRQ1 Generated by keyboard controller. IRQ2 Generated internally by interrupt controller to enable IRQ8 through IRQ15. IRQ3 Generated by super I/O controller to indicate that the device con- nected to the serial port (COM2 or COM4) requires service.
  • Page 20 Generated by bus controller chip to activate second DMA controller DREQ5 Available DREQ6 Available DREQ7 Available NOTE: The built-in audio controller (optional), NIC, and video controllers are assigned available DMA channels automatically during system start-up. 1-12 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 21 The hard-disk drive assembly (consisting of the hard-disk drive and the hard- disk drive bracket) is located inside the chassis at the left front of the computer and is attached to the bottom of the chassis. One 1-inch-high EIDE hard-disk drive can be mounted on the hard-disk drive bracket.
  • Page 22 Pin 5 — PWRGOOD should measure between +4 and +5 VDC when the power supply is on and operating to indicate that all power-supply output voltages are within ranges specified in Table 1-4. 1-14 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 23 +3.3 VDC (blue/white) +3.3 VDC (blue/white) +3.3 VDC (blue/white) common (black) common (black) common (black) P3, P5 +12 VDC (yellow) +5 VDC (red) common (black) common (black) common (black) common (black) +5 VDC (red) +12 VDC (yellow) Figures 1-11 and 1-12 provide the following information about DC power distribution: Power-supply connector identification Power cable connections for diskette, tape, CD-ROM, and hard-disk drives...
  • Page 24 1-16 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 25 system board +3 VDC battery riser board power RTC/ management NVRAM +3.3 VDC and NIC logic PCI1 +5 VDC POWER1 PCI2 +12 VDC PWRGOOD –12 VDC RISER PSON# PSON# +5 VFP +5 VFP +5 VDC +5 VDC +5 VDC +5 VDC –5 VDC –5 VDC –5 VDC...

  • Page 26: Intel Celeron Microprocessor

    NIC....integrated 3Com PCI 3C905B-TX Wakeup On LAN NIC, operating at 10 or 100 Mbps 1-18 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 27 7DEOH  7HFKQLFDO 6SHFLILFDWLRQV FRQWLQXHG Architecture ... . . 64-bit (nonparity), noninterleaved DIMM sockets ... two (gold contacts) DIMM capacities ..16-, 32-, 64-, and 128-MB SDRAM Minimum RAM .
  • Page 28 ....green LED Link integrity indicator ..green LED Activity indicator ..yellow LED 1-20 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 29 7DEOH  7HFKQLFDO 6SHFLILFDWLRQV FRQWLQXHG DC power supply wattage ....145 W Power-supply heat dissipation ....808 BTU (nominal) Power supply voltage.
  • Page 30 1-22 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 31 This chapter provides basic troubleshooting procedures applicable to the Dell OptiPlex E1 Managed PC. A brief explanation of how to load and start the sys- tem diagnostics is also provided at the end of the chapter. Dell recommends that you perform the following procedures in the order they are presented in this manual.

  • Page 32: External Visual Inspection

    For proper connection of the video monitor, see the documentation for the monitor. For proper settings of the video monitor controls, see the documentation for the monitor. If one or more keys are sticking, it may be necessary to replace the keyboard. Dell OptiPlex E1 Managed PC Service Manual...

  • Page 33: Observing The Boot Routine

    Does the inspection reveal any problems? Yes . Refer to the appropriate procedure in Chapter 4, “Removing and Replacing Parts.” No . Proceed to the next section, “Observing the Boot Routine.” After you have performed an external visual inspection as described in the pre- vious section, you should boot the system and, while the boot routine is running, observe the system for any indications of problems.

  • Page 34: Internal Visual Inspection

    When you perform the visual inspection, refer to Figures 1-3 through 1-6 as appropriate for your system for component location information. To perform the internal visual inspection, follow these steps: Dell OptiPlex E1 Managed PC Service Manual...

  • Page 35: Eliminating Resource Conflicts

    The microprocessor is physically located in a SEPP cartridge/heat sink assembly on the system board. To reseat the microprocessor, remove the SEPP cartridge/heat sink assembly and reinstall it as described in “SEPP Cartridge/Heat Sink Assembly” in Chapter 4. To reseat a DIMM, remove it from its socket and reinstall it as described in “DIMMs”...

  • Page 36: Server-Based Diagnostics

    The OptiPlex E1 system uses either diskette-based or server-based diagnostics. The server-based diagnostics contains tests that aid in troubleshooting major components of the computer. To run the server-based diagnostics, follow these steps: ! ! Highlight the Boot Sequence category (see Figure A-1) and press <Enter>.
  • Page 37 For a complete description of the server-based diagnostics, see “Server-Based Diagnostics” in the online Network Administrator’s Guide . The OptiPlex E1 system uses either diskette-based or server-based diagnos- tics. These tests aid in troubleshooting all major components of the system.

  • Page 38: Main Memory

    To run the diskette-based diagnostics, follow these steps: 'HOO 'LDJQRVWLFV 'LVNHWWH Starting the diagnostics causes the Dell logo to appear on the monitor screen, followed by a message indicating that the diagnostics is loading. Before the diagnostics loads, a program tests the portion of main memory (RAM) required for loading the diagnostics.

  • Page 39: Running The System Diagnostics

    This chapter describes the beep codes and error messages for the Dell Opti- Plex E1 Managed PC computer. These error messages can occur during the POST or, in the case of some failures, during normal system operation. The tables in this chapter list faults that can cause a beep code or system error message to occur and the probable causes of the fault in each case.
  • Page 40 Defective system board 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-1 Memory failure above Faulty or improperly seated address 0FFFFh DIMM 4-3-3 Timer-chip counter 2 failure Defective system board Dell OptiPlex E1 Managed PC Service Manual...
  • Page 41 FRQWLQXHG 4-3-4 Time-of-day clock stopped Bad battery or defective system board 4-4-1 Serial-port test failure Faulty I/O chip (defective system board) 4-4-2 Parallel-port test failure Faulty system board 4-4-3 Math coprocessor failure Faulty microprocessor chip or system board 4-4-4 Cache test failure Defective microprocessor or system board System error messages typically are presented on the screen during the POST...
  • Page 42 System Setup controller program, improperly con- failure nected hard-disk drive cable, faulty hard-disk Hard disk drive drive controller sub- read failure system (defective system board), or loose power Hard disk cable. failure Dell OptiPlex E1 Managed PC Service Manual...
  • Page 43 FRQWLQXHG System Setup program Incorrect configuration Invalid config- contains incorrect sys- settings in System Setup uration tem configuration program or faulty battery. information - settings. please run SETUP program System cannot commu- Keyboard cable connec- Keyboard clock nicate with keyboard. tor loose or improperly line failure connected, defective key-...
  • Page 44 MS-DOS unable to Defective sectors on dis- Sector not locate sector on dis- kette or hard-disk drive. found kette or hard-disk drive. Dell OptiPlex E1 Managed PC Service Manual...
  • Page 45 FRQWLQXHG MS-DOS unable to Defective diskette or Seek error locate specific track on hard-disk drive. diskette or hard-disk drive. System could not find Faulty diskette or hard- Seek operation particular address mark disk drive. failed on disk. System board chip Defective system board.
  • Page 46 Dell OptiPlex E1 Managed PC Service Manual...

  • Page 47: Precautionary Measures

    This chapter provides procedures for removing the components, assemblies, and subassemblies in the Dell OptiPlex E1computer. Unless otherwise noted, each procedure assumes the following: You have performed the steps in “Precautionary Measures” found later in this chapter. You have removed the computer cover.
  • Page 48 Refer to this illustration, as needed, when performing the component removal/replacement procedures in this chapter. diskette drive removable media device in external bay drive cage for external drive power supply internal hard- disk drive chassis intrusion switch expansion-card cage system board Dell OptiPlex E1 Managed PC Service Manual...

  • Page 49: Inside The Computer

    securing buttons (2) front of computer )LJXUH  &RPSXWHU &RYHU 5HPRYDO To remove the computer cover, follow these steps: Three plastic hooks on the inside-front part of the cover secure it to the chassis. Before you reinstall the cover, fold all cables out of the way so that they do not interfere with the cover or with proper airflow inside the computer.
  • Page 50 (upside down) reset button power button To remove the eject, power, or reset button, follow these steps: When these clips are released, the button comes free from the front panel of the cover. Dell OptiPlex E1 Managed PC Service Manual...

  • Page 51: Front-Panel Inserts

    5.25-inch front-panel insert computer cover (upside down) posts (2) ring-tabs (2) )LJXUH  )URQW3DQHO ,QVHUW 5HPRYDO To remove a front-panel insert, follow these steps: To replace a 5.25-inch front-panel insert, position the two ring-tabs over the posts on the inside of the bay opening, and then press the ring-tabs over the posts.

  • Page 52: Control Panel

    )LJXUH  &RQWURO 3DQHO 5HPRYDO To remove the control panel, follow these steps: When you reinstall the control panel, be sure to put the right side of the control panel behind the mounting tab. Dell OptiPlex E1 Managed PC Service Manual...

  • Page 53: Drives

    Figure 4-6 shows an example of drive hardware that can be installed in the computer. Refer to this figure when you perform any of the procedures in the following subsections. diskette/tape drive 3.5-inch diskette drive interface cable DC power cable 5.25-inch drive bay and bracket power supply...

  • Page 54: Inch Diskette Drive Assembly

    Rotate the left side of the assembly up, and lift the assembly out of the chassis. When you replace the 3.5-inch diskette drive, be sure that the mounting holes on the right side of the drive engage the two hooks on the bracket. Dell OptiPlex E1 Managed PC Service Manual...

  • Page 55: Inch Drive Assembly

    front of computer drive-mounting screws (4) )LJXUH  ,QFK 'ULYH $VVHPEO\ 5HPRYDO To remove a 5.25-inch drive assembly, follow these steps: When you replace the 5.25-inch drive, place the front of the drive toward the front of the bracket; then install the four screws, but do not tighten them. Align the screws with the score marks on the bracket, and tighten the screws in the order stamped on the bottom of the bracket.

  • Page 56: Hard-Disk Drive Assembly

    When you reinstall the hard-disk drive assembly, be sure that the tabs on the back of the mounting plate fully engage the notches on the chassis—before you rotate the assembly into place. 4-10 Dell OptiPlex E1 Managed PC Service Manual...

  • Page 57: System Power Supply

    power supply power-supply mounting screw To remove the system power supply, follow these steps: When you replace the system power supply, place it down inside the chassis and against the right side of the chassis. Then slide the system power supply toward the back of the chassis, and hook the tabs into the right side of the power supply.

  • Page 58: Expansion Cards

    The computer has a removable expansion-card cage. The expansion-card cage contains the riser board and any installed expansion cards. Dell recommends that you remove the expansion-card cage first before removing or installing expansion cards. If you are not removing any of the expansion cards, leave the external cables attached to the expansion cards.
  • Page 59 retaining screw expansion card card-mounting bracket expansion-card connector card-slot opening riser board )LJXUH  ([SDQVLRQ&DUG 5HPRYDO To remove an expansion card, follow these steps: Removing and Replacing Parts 4-13...
  • Page 60 )LJXUH  5LVHU %RDUG 5HPRYDO To remove the riser board, follow these steps: When you replace the riser board, be sure that the alignment feature on the expansion-card cage engages with the alignment slot. 4-14 Dell OptiPlex E1 Managed PC Service Manual...

  • Page 61: System Board

    screw slots (5) tabs (5) )LJXUH  6\VWHP %RDUG 5HPRYDO To remove the system board, follow these steps: NOTE: If you are replacing the system board, remove all DIMMs, the video- memory upgrade module (if present), the single-edge processor package (SEPP) cartridge/heat sink assembly, and the guide bracket assembly from the old system board and install them on the replacement board.
  • Page 62 (BATTERY) system board jumpers primary EIDE diskette/tape drive chassis-intrusion switch interface connector interface connector connector (INTRUSION) (IDE1) (DSKT) control panel connector (PANEL) front of computer )LJXUH  6\VWHP %RDUG &RPSRQHQWV 4-16 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 63 To remove a DIMM from one of the two DIMM sockets, follow these steps: securing clips (2) securing clips (2) Removing and Replacing Parts 4-17...
  • Page 64 2 and 3. NOTE: As the system boots, it automatically detects the presence of the new video-memory upgrade module and automatically changes the sys- tem configuration information in the System Setup program. 4-18 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 65 To take advantage of future options in processor speed and functionality, you can replace the microprocessor on your system board with any Dell-supported microprocessor upgrade. The microprocessor is shipped with an SEPP cartridge/heat sink assembly, which includes the microprocessor and micro- processor heat sink.
  • Page 66 25 pounds of force to mate the SEPP with its connector. battery BATTERY socket )LJXUH  6\VWHP %DWWHU\ ,QVWDOODWLRQ To remove the system battery, follow these steps: 4-20 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 67 To install the system battery, follow these steps: Removing and Replacing Parts 4-21...
  • Page 68 4-22 Dell OptiPlex E1 Managed PC Service Manual...
  • Page 69 This appendix describes the System Setup program for the Dell OptiPlex E1 Managed PC, which is used to change the system configuration information stored in NVRAM on the system board. To enter the System Setup program, follow these steps: If you wait too long and the operating system begins to load into memory, let the system complete the load operation ;...
  • Page 70 Dell Computer Corporation (www.dell.com) - OptiPlex E1 266L BIOS Version: A00 Intel® Celeron™ Processor: 266 MHz Service Tag: A1234 Level 2 Cache: None System Time ........10:11:12 System Date ........Thu May 28, 1998 Diskette Drive A: .........

  • Page 71: Diskette Drive A

    7DEOH $ 6\VWHP 6HWXS &DWHJRULHV &DWHJRU\ )XQFWLRQ Time Resets time on computer’s internal clock. Date Resets date on computer’s internal calendar. Diskette Drive A Identifies type of diskette drives installed. Cat- Diskette Drive B egory options always match physical locations of drives in computer.

  • Page 72: Integrated Devices

    Power Management cate- gory is disabled. Asset Tag Displays the customer-programmable asset tag number for the system if an asset tag number has been assigned. Dell OptiPlex E1 Managed PC Service Manual...
  • Page 73 computer block diagram, 1-17 3.5-inch diskette drive removal, 4-8 components, illustrated, 1-6 controls and indicators, 1-5 5.25-inch drive assembly removal, 4-9 cover removal, 4-3 diagnostics. See diagnostics, system DMA channel assignments, 1-12 expansion features, 1-6 AC power receptacle, 1-6 features, 1-1 AC voltage selection switch, 1-6 front-panel view, 1-5 internal view, 1-6...

  • Page 74: Eide Subsystem

    4-10 interrupt assignments, list of, 1-11 location, 4-7 tape drive removal, 4-9 ISA expansion-card connectors, 1-7 EIDE subsystem, 1-2 jumpers, 1-10 location, 1-10 eject button removal, 4-4 error messages, 3-3 Dell OptiPlex E1 Managed PC Service Manual...

  • Page 75: Post Beep Codes

    power indicator, 1-5 power supply key combinations, 1-20 115/230-VAC, 1-5 enter System Setup program, A-1 about, 1-5, 1-13 cables, 1-16 DC voltage ranges, 1-14 flea power, 1-5 power distribution, 1-17 main memory, 1-2, 1-7 removal, 4-11 service data, 1-13 memory subsystem voltage ranges, 1-14 expansion using DIMMs, 1-7 flash ROM, 1-2...

  • Page 76: Telephony Application Programming Interface

    4-9 visual inspection external, 2-2 technical specifications, 1-18 internal, 2-4 telephony application programming voltage ranges, 1-14 interface, 1-3 voltage selection switch, AC, 1-6 tools, recommended, 4-1 Wakeup On LAN, 1-4 warnings, 4-1 Dell OptiPlex E1 Managed PC Service Manual...

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