Page 4
3Com Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
Page 8
Table 1-1. DC Voltage Ranges ....... . 1-9 Table 1-2. System-Board Jumper Settings .
Page 10
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 11
The Pentium II Xeon microprocessor contains a built-in clock multiplier circuit, which increases the microprocessor’s internal operating frequency to a multi- ple of the system clock frequency. The microprocessors for Dell Precision 610 mini tower systems operate at a frequency of 400 MHz, derived from a system clock frequency of 100 MHz.
EIDE hard-disk drives and SMART support in the system BIOS, which warns you at system start-up if an EIDE hard-disk drive has become unreliable For a complete list of system features, see “Technical Specifications,” found later in this chapter. Dell Precision 610 Mini Tower Systems Service Manual...
Page 13
When following the procedures in this manual, assume that the location or direction relative to the computer is as shown in Figure 1-1. back front bottom Mini Tower Computer )LJXUH &RPSXWHU 2ULHQWDWLRQ Figure 1-2 shows the location of some of the key front-panel features. diskette-drive access indicator power button...
Page 14
Windows NT 4.0 operating system. The Dell Precision 610 mini tower systems offer advanced expansion sub- systems that can support a mixture of traditional ISA expansion cards (called legacy cards), Plug and Play ISA expansion cards, PCI expansion cards, and a 2X AGP card.
Page 15
DMA channels to any installed Plug and Play ISA expansion cards and PCI expansion cards the next time the computer is rebooted. Chapter 4, “Using the ISA Configuration Utility,” in the Dell Precision WorkStation 610 Mini Tower Systems User’s Guide describes the ICU and provides instructions for using it to configure the computer.
Page 16
Dell Precision 610 mini tower systems have eight drive bays for installing the following types of drives (see Figure 1-5): The externally accessible drive bays at the front of the computer consist of one 3.5-inch drive bay (dedicated to a 3.5-inch slimline diskette drive) and three 5.25-inch drive bays that can hold up to three half-height, 5.25-inch...
Page 17
AGP also allows conventional memory to be used for video-related tasks. Dell Precision 610 mini tower systems contain an integrated 10/100-Mbps 3Com PCI 3C905b-TX NIC (uses a 3Com 3C917 application-specific integrated circuit [ASIC]). The NIC subsystem connects to the Ethernet network through a single RJ45 connector on the back panel of the computer.
Page 18
If a processor or hard-disk drive exceeds its recommended operating tempera- ture range, a system event triggers a system management interrupt (SMI), which alerts the BIOS. If the Dell ThermalShutdown Service is installed, the power indicator flashes and a message appears on the monitor to alert the user that the system will shut down in an orderly manner, preventing the loss of data.
Page 19
The following subsections provide service-related information about the computer. The 330-W system power supply can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50 Hz. The system power supply provides the DC operating voltages and currents listed in Table 1-1. NOTE: The power supply produces DC voltages only under its loaded condi- tion.
Page 20
Table 1-1. P3, P4, P5 +12 VDC (yellow) +5 VDC (red) common (black) common (black) common (black) common (black) +5 VDC (red) +12 VDC (yellow) 1-10 Dell Precision 610 Mini Tower Systems Service Manual...
Page 21
+5 V (red) common (black) common (black) +5 V (red) 10 11 12 13 14 15 16 +3.3 VDC (blue/white) common (black) common (black) +12 V (yellow) +12 V (yellow) Figures 1-9 and 1-10 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 23
A minimum of 64 MB RAM is required. There is no requirement that one socket be filled before the other, and empty sockets can be left between installed DIMMs. However, Dell recommends populating the sockets in consecutive order starting with DIMM A. DIMM sockets do not have to contain DIMMs of the same size.
Page 24
Figure 1-12 shows the location of the system board jumpers, and Table 1-2 shows the system board jumper settings. SPREAD unjumpered jumpered )LJXUH /RFDWLRQ RI 6\VWHP %RDUG -XPSHUV 1-14 Dell Precision 610 Mini Tower Systems Service Manual...
Page 25
The following table shows the settings and descriptions for the system board jumpers in Dell Precision 610 mini tower systems. 7DEOH 6\VWHP%RDUG -XPSHU 6HWWLQJV -XPSHU 6HWWLQJ 'HVFULSWLRQ SPREAD Reserved (do not remove jumper plug). RSVD4 Reserved (do not install jumper plug).
Page 26
NOTES: For the full name of an abbreviation or acronym used in the table, see the Glossary in the User’s Guide. The integrated NIC, SCSI, and sound systems will be assigned an interrupt request dynami- cally during system start-up. 1-16 Dell Precision 610 Mini Tower Systems Service Manual...
Page 27
The following table lists the direct memory access (DMA) channel assign- ments for the Dell Precision 610 mini tower system. 7DEOH '5(4 /LQH $VVLJQPHQWV '5(4 /LQH 8VHG %\$YDLODEOH DREQ0 Available DREQ1 Available DREQ2 Generated by super I/O controller to initiate DMA cycle for...
Page 28
The following table lists the technical specifications for the Dell Precision 610 mini tower system. 7DEOH 7HFKQLFDO 6SHFLILFDWLRQV Microprocessor type ....Intel Pentium II Xeon microprocessor that runs at 400 MHz internally/ 100 MHz externally.
Page 29
7DEOH 7HFKQLFDO 6SHFLILFDWLRQV FRQWLQXHG ([SDQVLRQ %XV Bus types..... . . PCI, ISA, and AGP Bus speed ..... . PCI: 33.3 MHz ISA: 8.33 MHz AGP: 133 MHz PCI expansion-card connectors .
Page 30
NIC ......RJ45 connector NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the User’s Guide. 1-20 Dell Precision 610 Mini Tower Systems Service Manual...
Page 31
<Ctrl><Alt><Del>....restarts (reboots) the system <F2> or <Ctrl><Alt><Enter> ..starts System Setup program (during POST only while Dell logo screen is displayed) Reset control .
Page 32
* At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft). NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the User’s Guide. 1-22 Dell Precision 610 Mini Tower Systems Service Manual...
Page 33
7DEOH 7HFKQLFDO 6SHFLILFDWLRQV FRQWLQXHG (QYLURQPHQWDO FRQWLQXHG Maximum shock: Operating ..... . . half-sine wave form: 50 G for 2 ms Storage .
Page 34
1-24 Dell Precision 610 Mini Tower Systems Service Manual...
A brief explanation of how to load and start the Dell Diagnostics is located at the end of the chapter. Dell recommends that you perform the fol- lowing procedures in the order they are presented in this chapter.
Page 36
For proper monitor connections, see the documentation for the monitor. For proper settings of the monitor controls, see the documentation for the monitor. If one or more keys are sticking, it may be necessary to replace the keyboard. Dell Precision 610 Mini Tower Systems Service Manual...
Does the inspection reveal any problems? Yes . Proceed 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.
These messages can indicate problems or provide status information. If a system error message is displayed, see Table 3-2. Does the Diagnostics Menu appear? Yes. See “Running the Dell Diagnostics” found later in this chapter. No. Proceed to step 6. Does the Diagnostics Menu appear? Yes.
Page 39
A simple visual inspection of a computer’s interior hardware can often lead to the source of a problem, such as a loose expansion card, cable connector, or mounting screw. When you perform the visual inspection, refer to “System Features” in Chapter 1 to locate components in the inspection procedure. To perform the internal visual inspection, perform the following steps in the sequence indicated.
Does the problem appear to be resolved? Yes. No further steps are necessary. No. Proceed to “Eliminating Resource Conflicts,” “Running the Dell Diag- nostics,” and “Getting Help” found later in this chapter. Devices within or connected to the computer may require dedicated memory spaces, interrupt levels, or DMA channels, all of which must be allocated dur- ing installation of the devices.
The Dell Diagnostics (included with the system) contains tests that aid in troubleshooting all major components of the computer system. To start the Dell Diagnostics, turn off the system, insert a diagnostics diskette into drive A, and then turn on the system.
Page 42
Dell Precision 610 Mini Tower Systems Service Manual...
Page 43
If a faulty system does not emit beep codes or display system error messages to indicate a failure, you should run the appropriate tests in the Dell Diagnos- tics to help isolate the source of the problem. See “Running the Dell Diagnostics”...
Page 44
Slave DMA-register failure Defective system board 3-1-2 Master DMA-register failure 3-1-3 Master interrupt-mask regis- ter failure 3-1-4 Slave interrupt-mask regis- ter failure 3-2-4 Keyboard-controller test Faulty keyboard controller failure (defective system board) Dell Precision 610 Mini Tower Systems Service Manual...
Page 45
7DEOH 3267 %HHS &RGHV FRQWLQXHG %HHS &RGH (UURU 3UREDEOH &DXVHV 3-3-4 Screen initialization failure Faulty video subsystem (defective graphics adapter 3-4-1 Screen-retrace test failure card) 3-4-2 Search for video ROM failure 4-2-1 No timer tick Defective system board 4-2-2 Shutdown failure 4-2-3 Gate A20 failure...
Page 46
Hard disk drive read failure Hard disk failure Keyboard clock line failure Keyboard controller failure Keyboard data line failure Keyboard stuck key failure No timer tick interrupt Shutdown failure Timer chip counter 2 failed Dell Precision 610 Mini Tower Systems Service Manual...
Page 47
BIOS found faulty disk Faulty diskette/tape drive Address mark sector or could not find subsystem or hard-disk not found particular disk sector. drive subsystem (defec- tive system board), faulty Diskette drive or hard- interface cable or Attachment disk drive controller connector.
Page 48
System detected a Faulty mouse, or faulty Auxiliary mouse failure. mouse controller or key- Device fail- board is attached to the ure. Verify mouse connector. that mouse and keyboard are securely attached to connectors. Dell Precision 610 Mini Tower Systems Service Manual...
Page 49
FRQWLQXHG Command entered Faulty command and syn- Bad command or does not exist, is faulty, tax, or incorrect filename. file name or is not in pathname specified. Diskette drive or hard- Faulty diskette/tape drive Bad error- disk drive controller subsystem or hard-disk correction code detected an uncorrect- drive subsystem (defec-...
Page 50
Keyboard keyboard/mouse control- failure ler (defective system board). Keyboard data line failure Keyboard stuck key failure Keyboard/mouse con- Defective keyboard/ Keyboard troller failed. mouse controller (defec- controller tive system board). failure Dell Precision 610 Mini Tower Systems Service Manual...
Page 51
FRQWLQXHG During memory test, Faulty or improperly Memory address value read at address seated DIMMs or defec- line failure at was incorrect. tive system board. address , read value expecting value Memory data line failure at address , read value expecting value Memory double word logic fail-...
Page 52
System could not find Faulty diskette or hard- Seek operation particular address mark disk drive. failed on disk. System board chip is Defective system board. Shutdown faulty. failure 3-10 Dell Precision 610 Mini Tower Systems Service Manual...
Page 53
FRQWLQXHG System locked up System processor is not System halted because the processor a type supported by Dell is not the correct and more than 512 MB of revision. RAM is installed. System battery is low. Defective battery or Time-of-day...
Page 54
3-12 Dell Precision 610 Mini Tower Systems Service Manual...
This chapter provides procedures for removing the components, assemblies, and subassemblies in the Dell Precision 610 mini tower systems. Unless otherwise noted, each procedure assumes the following: You have performed the steps in “Precautionary Measures” found later in this chapter.
Page 56
While you work, periodically touch an unpainted metal surface on the com- puter chassis to dissipate any static electricity that might harm internal components. Also avoid touching components or contacts on a card and avoid touching pins on a chip. Dell Precision 610 Mini Tower Systems Service Manual...
Page 57
release button )LJXUH &RPSXWHU &RYHU 5HPRYDO To remove the computer cover, follow these steps: Removing and Replacing Parts...
Page 58
ALERT! Cover was previously removed. If a setup password has been assigned by someone else, contact the network administrator for information on resetting the chassis intrusion detector. Dell Precision 610 Mini Tower Systems Service Manual...
To remove the power and reset buttons, follow these steps: When these clips are released, the button comes free from the bezel. Dell Precision 610 Mini Tower Systems Service Manual...
front of bezel posts (2) 5.25-inch front-panel insert ring-tabs (2) )LJXUH ,QFK )URQW3DQHO ,QVHUW 5HPRYDO To remove a 5.25-inch 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.
NOTE: Some older PCI and other types of cards may be so long that you can- not remove the card guide until you first remove the cards. Most newer cards are not long enough to interfere with card guide removal. Dell Precision 610 Mini Tower Systems Service Manual...
control panel thermal sensor cable connector control panel cable mounting screw speaker cable connector chassis intrusion switch cable connector )LJXUH &RQWURO 3DQHO 5HPRYDO To remove the control panel, follow these steps: Note the routing of the control panel cable as you remove it from the chassis.
Page 64
'LVFRQQHFW WKH VSHDNHU FDEOH FRQQHFWRU IURP WKH FRQWURO SDQHO VHH )LJXUH /LIW WKH VSHDNHU RXW RI WKH UHWDLQLQJ VORWV RQ WKH IURQW RI WKH FKDVVLV VHH )LJXUH 4-10 Dell Precision 610 Mini Tower Systems Service Manual...
Page 65
Figure 4-8 shows an example of drive hardware that can be installed in the Dell Precision 610 mini tower system. Refer to this figure when you perform any of the procedures in the following subsections. 3.5-inch diskette drive housing DC power/interface cable...
The Dell Precision 610 mini tower system can accommodate up to four exter- nally accessible drive assemblies: the 3.5-inch diskette drive and up to three 5.25-inch drives. retaining-tab release button )LJXUH ,QFK 'LVNHWWH 'ULYH $VVHPEO\ 5HPRYDO To remove the 3.5-inch diskette drive assembly, follow these steps: Note the routing of the DC power/interface cable through the chassis as you remove it from the system board.
Page 67
hook drive release lever diskette drive retaining tabs (2) bracket )LJXUH ,QFK 'LVNHWWH 'ULYH 5HPRYDO When you replace the 3.5-inch diskette drive on the bracket, be sure that the two retaining tabs on the left side of the bracket engage the mounting holes in the side of the 3.5-inch diskette drive.
(2) )LJXUH ,QFK 'ULYH $VVHPEO\ 5HPRYDO To remove a 5.25-inch drive assembly from one of the drive bays, follow these steps: 4-14 Dell Precision 610 Mini Tower Systems Service Manual...
Page 69
bracket bracket tabs (2) screws (4) )LJXUH ,QFK 'ULYH 5HPRYDO When you replace the 5.25-inch drive, align the front of the drive flush with the bracket tabs at the front of the bracket. Insert the four screws, and tighten them in the order stamped on the bottom of the 5.25-inch drive bracket.
When removing the bracket from the drive cage, you should remove it slowly and cautiously, using two hands to support the weight of the bracket. The bracket can be quite heavy, especially if it is populated with drives. 4-16 Dell Precision 610 Mini Tower Systems Service Manual...
Page 71
bracket screws (4) 1.6-inch drive (front) )LJXUH +DUG'LVN 'ULYH 5HPRYDO To remove a hard-disk drive, follow these steps: If you are replacing more than one hard-disk drive in the bracket, do not fully tighten any of the screws that hold the drives in the bracket until all of the drives have been placed into the bracket.
When you reinstall the power supply, place the power-supply detent link over the pin on the power supply as you position the power supply in the chassis opening. 4-18 Dell Precision 610 Mini Tower Systems Service Manual...
microprocessor fan connector fan power cable microprocessor fan plastic lock latching tabs (4) To remove the microprocessor fan, follow these steps: Removing and Replacing Parts 4-19...
There are seven expansion-card connectors on the system board (see Figure 4-18). Expansion-card connectors PCI1 through PCI5 support 32-bit PCI expansion cards; expansion-card connector AGP supports a 32-bit AGP expan- sion card; and expansion-card connector ISA1 can accommodate an 8- or 16-bit ISA expansion card.
Page 76
See Chapter 3, “Using the System Setup Program,” in the User’s Guide for instructions. NOTE: If a setup password has been assigned by someone else, contact that person for information on resetting the chassis intrusion detector. 4-22 Dell Precision 610 Mini Tower Systems Service Manual...
DIMM securing clips (2) To remove a DIMM, follow these steps: DIMM securing clips (2) To replace a DIMM, press the DIMM fully into the socket (see step 1 of Figure 4-20) while closing the securing clips to lock the DIMM into the socket (see step 2 of Figure 4-20).
To remove a microprocessor Slot 2 SEC cartridge/heat sink assembly, follow these steps: You must use up to 15 pounds of force to disengage the Slot 2 SEC cartridge from its connector. 4-24 Dell Precision 610 Mini Tower Systems Service Manual...
NOTE: Both processor slots must be populated with either a Pentium II Xeon processor or a Dell terminator card. If a slot is not occupied, or if a non-Dell ter- minator card is installed, the system will not power on.
Page 80
SEC cartridge connector (labeled “SLOT2_SEC”). NOTE: Be sure that the power requirements for both processors match. Otherwise, the CPU mismatch LED will light up and the system will not power on. 4-26 Dell Precision 610 Mini Tower Systems Service Manual...
battery BATTERY socket )LJXUH 6\VWHP %DWWHU\ 5HPRYDO To remove the system battery, follow these steps: Carefully pry the system battery out of its socket with your fingers or with a blunt, nonconducting object, such as a plastic screwdriver. When you replace the system battery, orient the new battery with the “+” facing up.
Push evenly on both sides of the system board as you slide it into position (do not twist the system board). 4-28 Dell Precision 610 Mini Tower Systems Service Manual...
Page 83
This appendix describes the System Setup program for the Dell Precision 610, 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 84
Power Management ........Disabled ACPI ..........Off Thermal Power-off ......... Enabled Asset Tag ......... ASSET TAG to select SPACE,+,- to change ESC to exit F1=Help key functions )LJXUH $ 6\VWHP 6HWXS 6FUHHQ Dell Precision 610 Mini Tower Systems Service Manual...
Page 85
7DEOH $ 6\VWHP 6HWXS 2SWLRQV 2SWLRQ )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. Diskette Drive B Option settings always match physical loca- tions of drives in computer. Tape drives are not reflected in these options.
Page 86
ACPI controls the Advanced Configuration and Power Interface. When ACPI is toggled Off, pressing the power button turns the system completely off. When ACPI is not activated (Off), IRQ 9 is available for use by expansion cards. Dell Precision 610 Mini Tower Systems Service Manual...
Page 87
FRQWLQXHG 2SWLRQ )XQFWLRQ Thermal Power-off This feature provides a safeguard in the event that another shutdown utility, such as the Dell AutoShutdown service, is not installed or fails to shut the system down after an overtemper- ature condition. Asset Tag...
Page 88
Dell Precision 610 Mini Tower Systems Service Manual...
Page 89
DC power BIOS jumper, 1-15 cables, illustrated, 1-11 connectors, 1-9 boot routine, observing when distribution, 1-12 troubleshooting, 2-3 voltage ranges, 1-9 Dell Diagnostics, 2-7 DIMMs about, 1-13 cables installation, 4-23 DC power, 1-11 location on system board, 1-13, 4-20 CD-ROM connector, 1-13, 4-20...
Page 95
Dell Information Development Postscript Imaging Specs JOB TITLE: Dell Precision WorkStation 610 Mini Tower Systems Service Manual (Volcano) LANGUAGES: English PART NUMBER: 9156C PREPARED BY: Gloria Salinas CONTACT: Donna Moore 512-728-3439 Sue Farr 512-728-3932 EMAIL ADDRESS: Donna_Moore@dell.com Sue_Farr@dell.com VENDOR: Hart Graphics...
Page 96
Ch4: 9156Cc40.ps AppA: 9156Caa0.ps 9156Cix0.ps Index: Backcover: 9156Cbc0.ps 2(Incl. Blank Back) TOTAL PAGE COUNT: SPECIAL INSTRUCTIONS: Add blank pages needed to complete signatures. For questions or problems with files contact: Donna Moore - Graphic Development Dell Computer Corporation (512) 728-3439...