Service Manual
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... Tower Computer 1-22 Hard-Disk Drive for the OptiPlex NX1 Computer 1-22 Power-Supply Service Data 1-22 Pin Assignments for the DC Power Connectors 1-23 DC Power Distribution 1-24 System Power Supply for the OptiPlex NX1 Computer 1-29 OptiPlex NX1 Pin Assignments for the DC Power Connectors . . 1-30 DC Power Distribution for the OptiPlex NX1 Computer 1-31 Technical Specifications 1-33 Initial User...
... Tower Computer 1-22 Hard-Disk Drive for the OptiPlex NX1 Computer 1-22 Power-Supply Service Data 1-22 Pin Assignments for the DC Power Connectors 1-23 DC Power Distribution 1-24 System Power Supply for the OptiPlex NX1 Computer 1-29 OptiPlex NX1 Pin Assignments for the DC Power Connectors . . 1-30 DC Power Distribution for the OptiPlex NX1 Computer 1-31 Technical Specifications 1-33 Initial User...
Service Manual
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... Control Panel 4-6 Drives 4-7 Externally Accessible Drive Assemblies 4-7 3.5-Inch Diskette Drive Assembly 4-8 5.25-Inch Drive Assembly 4-9 Hard-Disk Drive Assembly 4-10 System Power Supply 4-11 Expansion Cards 4-12 Expansion-Card Cage 4-12 Expansion Card 4-13 Riser Board 4-14 System Board 4-15 System Board Components 4-16 DIMMs 4-17 Video...Heat Sink Assembly 4-19 System Battery 4-20 Recommended Tools 5-1 Precautionary Measures 5-1 Inside the Computer 5-2 Optional Stand 5-4 Computer Cover 5-5 Eject, Power, and Reset Buttons 5-6 Front-Panel Inserts 5-7 Control Panel 5-8 vii
... Control Panel 4-6 Drives 4-7 Externally Accessible Drive Assemblies 4-7 3.5-Inch Diskette Drive Assembly 4-8 5.25-Inch Drive Assembly 4-9 Hard-Disk Drive Assembly 4-10 System Power Supply 4-11 Expansion Cards 4-12 Expansion-Card Cage 4-12 Expansion Card 4-13 Riser Board 4-14 System Board 4-15 System Board Components 4-16 DIMMs 4-17 Video...Heat Sink Assembly 4-19 System Battery 4-20 Recommended Tools 5-1 Precautionary Measures 5-1 Inside the Computer 5-2 Optional Stand 5-4 Computer Cover 5-5 Eject, Power, and Reset Buttons 5-6 Front-Panel Inserts 5-7 Control Panel 5-8 vii
Service Manual
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... Accessible Drive Assemblies 5-9 3.5-Inch Diskette Drive Assembly 5-10 5.25-Inch Drive Assembly 5-11 Hard-Disk Drive Bracket 5-12 Hard-Disk Drive 5-13 System Power Supply 5-14 Expansion Cards 5-15 Expansion-Card Cage 5-15 Expansion Card 5-16 Riser Board 5-17 System Board 5-18 System Board Components 5-19 DIMMs 5-20 Video...6-10 3.5-Inch Diskette Drive Assembly 6-11 5.25-Inch Drive Assembly 6-12 Hard-Disk Drive Bracket 6-14 Hard-Disk Drive 6-15 System Power Supply 6-16 Expansion Cards 6-17 Expansion-Card Cage 6-17 Expansion Card 6-18 Riser Board 6-19 System Board 6-20 viii
... Accessible Drive Assemblies 5-9 3.5-Inch Diskette Drive Assembly 5-10 5.25-Inch Drive Assembly 5-11 Hard-Disk Drive Bracket 5-12 Hard-Disk Drive 5-13 System Power Supply 5-14 Expansion Cards 5-15 Expansion-Card Cage 5-15 Expansion Card 5-16 Riser Board 5-17 System Board 5-18 System Board Components 5-19 DIMMs 5-20 Video...6-10 3.5-Inch Diskette Drive Assembly 6-11 5.25-Inch Drive Assembly 6-12 Hard-Disk Drive Bracket 6-14 Hard-Disk Drive 6-15 System Power Supply 6-16 Expansion Cards 6-17 Expansion-Card Cage 6-17 Expansion Card 6-18 Riser Board 6-19 System Board 6-20 viii
Service Manual
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...1-10 Internal View of the Mini Tower Chassis 1-11 Internal View of the OptiPlex NX1 Chassis 1-12 Riser Board for the OptiPlex NX1 Computer 1-13 ix Figure 1-5. Figure 1-4. Figure 1-3. System Board Components 6-...21 DIMMs 6-22 Video Memory 6-23 Microprocessor 6-24 SEC Cartridge/Heat Sink Assembly 6-24 System Battery 6-25 Recommended Tools 7-1 Precautionary Measures 7-1 Inside the Computer 7-2 Optional Stand 7-3 Computer Cover 7-4 Control Panel 7-6 Hard-Disk Drive 7-7 System Power Supply...
...1-10 Internal View of the Mini Tower Chassis 1-11 Internal View of the OptiPlex NX1 Chassis 1-12 Riser Board for the OptiPlex NX1 Computer 1-13 ix Figure 1-5. Figure 1-4. Figure 1-3. System Board Components 6-...21 DIMMs 6-22 Video Memory 6-23 Microprocessor 6-24 SEC Cartridge/Heat Sink Assembly 6-24 System Battery 6-25 Recommended Tools 7-1 Precautionary Measures 7-1 Inside the Computer 7-2 Optional Stand 7-3 Computer Cover 7-4 Control Panel 7-6 Hard-Disk Drive 7-7 System Power Supply...
Service Manual
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... Diskette Drive to the OptiPlex NX1 Computer 2-9 Internal View of the Low-Profile Computer 4-3 Computer Cover Removal 4-3 Eject, Power, and Reset Button Removal 4-4 Front-Panel Insert Removal 4-5 Control Panel Removal 4-6 Drive Hardware 4-7 3.5-Inch Diskette Drive Removal 4-8 5.25-Inch Drive Assembly Removal 4-9 Hard-Disk Drive Assembly Removal 4-10 System Power-Supply Removal 4-11 Expansion-Card...
... Diskette Drive to the OptiPlex NX1 Computer 2-9 Internal View of the Low-Profile Computer 4-3 Computer Cover Removal 4-3 Eject, Power, and Reset Button Removal 4-4 Front-Panel Insert Removal 4-5 Control Panel Removal 4-6 Drive Hardware 4-7 3.5-Inch Diskette Drive Removal 4-8 5.25-Inch Drive Assembly Removal 4-9 Hard-Disk Drive Assembly Removal 4-10 System Power-Supply Removal 4-11 Expansion-Card...
Service Manual
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...Heat Sink Removal 4-19 System Battery Installation 4-20 Internal View of the Midsize Computer 5-3 Optional-Stand Removal 5-4 Computer Cover Removal 5-5 Eject, Power, and Reset Button Removal 5-6 Front-Panel Insert Removal 5-7 Control Panel Removal 5-8 Drive Hardware 5-9 3.5-Inch Diskette Drive Removal 5-10 5.25...Assembly Removal 5-11 5.25-Inch Drive Removal 5-11 Hard-Disk Drive Bracket Removal 5-12 Hard-Disk Drive Removal 5-13 System Power-Supply Removal 5-14 Expansion-Card Cage Removal 5-15 Expansion-Card Removal 5-16 Riser Board Removal 5-17 System Board Removal 5-18 System ...
...Heat Sink Removal 4-19 System Battery Installation 4-20 Internal View of the Midsize Computer 5-3 Optional-Stand Removal 5-4 Computer Cover Removal 5-5 Eject, Power, and Reset Button Removal 5-6 Front-Panel Insert Removal 5-7 Control Panel Removal 5-8 Drive Hardware 5-9 3.5-Inch Diskette Drive Removal 5-10 5.25...Assembly Removal 5-11 5.25-Inch Drive Removal 5-11 Hard-Disk Drive Bracket Removal 5-12 Hard-Disk Drive Removal 5-13 System Power-Supply Removal 5-14 Expansion-Card Cage Removal 5-15 Expansion-Card Removal 5-16 Riser Board Removal 5-17 System Board Removal 5-18 System ...
Service Manual
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... Module 6-23 SEC Cartridge/Heat Sink Removal 6-24 System Battery Installation 6-25 Internal View of the OptiPlex NX1 Computer 7-3 Optional-Stand Removal 7-3 Computer Cover Removal 7-4 Service Access Lock 7-5 Control Panel Removal 7-6 Hard-Disk Drive Removal 7-7 System Power-Supply Removal 7-8 Expansion-Card Cage Removal 7-9 Expansion-Card Removal 7-10 Riser Board Removal 7-11 System Board...
... Module 6-23 SEC Cartridge/Heat Sink Removal 6-24 System Battery Installation 6-25 Internal View of the OptiPlex NX1 Computer 7-3 Optional-Stand Removal 7-3 Computer Cover Removal 7-4 Service Access Lock 7-5 Control Panel Removal 7-6 Hard-Disk Drive Removal 7-7 System Power-Supply Removal 7-8 Expansion-Card Cage Removal 7-9 Expansion-Card Removal 7-10 Riser Board Removal 7-11 System Board...
Service Manual
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...OptiPlex NX1 chassis configurations differ primarily in the following expansion features: Number of expansion slots available for PCI/ISA expansion cards Number of available internal drive bays for EIDE/SCSI drives Number of available external drive bays for diskette, CD-ROM, or tape drives Physical size and power supply... types (the midsize and mini tower systems use the same power supply) Due to the physical differences in the four chassis configurations, a separate parts removal and ...
...OptiPlex NX1 chassis configurations differ primarily in the following expansion features: Number of expansion slots available for PCI/ISA expansion cards Number of available internal drive bays for EIDE/SCSI drives Number of available external drive bays for diskette, CD-ROM, or tape drives Physical size and power supply... types (the midsize and mini tower systems use the same power supply) Due to the physical differences in the four chassis configurations, a separate parts removal and ...
Service Manual
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Dell OptiPlex GX1 and OptiPlex NX1 systems have a special power supply that used in the midsize and mini tower chassis configurations is a higher-capacity power supply than that provides trickle ("flea") power to support the Wakeup On LAN feature when computer power is designed for the four chassis types; Figure... 1-7 The computer's NIC connector (RJ45) is off. For OptiPlex NX1 systems, refer to an RJ45 port on a UTP concentrator or hub, depending on , an Ethernet network. The power supply used in the Reference and Installation Guide provides instructions for connecting the...
Dell OptiPlex GX1 and OptiPlex NX1 systems have a special power supply that used in the midsize and mini tower chassis configurations is a higher-capacity power supply than that provides trickle ("flea") power to support the Wakeup On LAN feature when computer power is designed for the four chassis types; Figure... 1-7 The computer's NIC connector (RJ45) is off. For OptiPlex NX1 systems, refer to an RJ45 port on a UTP concentrator or hub, depending on , an Ethernet network. The power supply used in the Reference and Installation Guide provides instructions for connecting the...
Service Manual
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power supply padlock ring voltage selection switch AC power receptacle parallel port connector serial port 1 connector mouse connector keyboard connector USB connectors (2) serial port 2 connector 3.5-inch diskette drive diskette/tape drive interface cable hard-disk drive interface cable hard-disk drive chassis intrusion switch audio connectors (3) NIC connector (optional) video connector security cable slot expansion-card cage expansion-card slots (3) System Overview 1-9
power supply padlock ring voltage selection switch AC power receptacle parallel port connector serial port 1 connector mouse connector keyboard connector USB connectors (2) serial port 2 connector 3.5-inch diskette drive diskette/tape drive interface cable hard-disk drive interface cable hard-disk drive chassis intrusion switch audio connectors (3) NIC connector (optional) video connector security cable slot expansion-card cage expansion-card slots (3) System Overview 1-9
Service Manual
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3.5-inch diskette drive diskette/tape drive interface cable drive cage power supply hard-disk drive bracket AC power receptacle voltage selection switch padlock ring chassis intrusion switch hard-disk drive interface cable parallel port connector serial port 1 connector mouse connector keyboard connector USB connectors (2) serial port 2 connector expansion-card cage expansion-card slots (5) NIC connector (optional) video connector security cable slot audio connectors (3) 1-10
3.5-inch diskette drive diskette/tape drive interface cable drive cage power supply hard-disk drive bracket AC power receptacle voltage selection switch padlock ring chassis intrusion switch hard-disk drive interface cable parallel port connector serial port 1 connector mouse connector keyboard connector USB connectors (2) serial port 2 connector expansion-card cage expansion-card slots (5) NIC connector (optional) video connector security cable slot audio connectors (3) 1-10
Service Manual
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AC power receptacle security cable slot parallel port connector serial port 1 connector keyboard connector mouse connector USB connectors (2) serial port 2 connector video connector NIC connector (optional) audio connectors (3) padlock ring power supply external drive bays hard-disk drive bracket interface cable chassis intrusion switch expansion-card cage system board riser board System Overview 1-11
AC power receptacle security cable slot parallel port connector serial port 1 connector keyboard connector mouse connector USB connectors (2) serial port 2 connector video connector NIC connector (optional) audio connectors (3) padlock ring power supply external drive bays hard-disk drive bracket interface cable chassis intrusion switch expansion-card cage system board riser board System Overview 1-11
Service Manual
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... security access lock chassis intrusion switch power supply DC power cable EIDE cable parallel port connector serial port 1 connector mouse connector keyboard connector USB connectors (2) serial port 2 connector hard-disk drive expansion-card cage expansion-card slot security cable slot AC power receptacle NIC connector (optional) video connector The OptiPlex GX1 systems contain advanced expansion...
... security access lock chassis intrusion switch power supply DC power cable EIDE cable parallel port connector serial port 1 connector mouse connector keyboard connector USB connectors (2) serial port 2 connector hard-disk drive expansion-card cage expansion-card slot security cable slot AC power receptacle NIC connector (optional) video connector The OptiPlex GX1 systems contain advanced expansion...
Service Manual
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... start-up operations. 1-22 The low-profile computers have a 145-W system power supply, the midsize computers have a 200-W system power supply, and the mini tower computers have a 230-W power supply. All system power supplies can operate from an AC power source of 115 VAC at 50 to 60 Hz or 230 VAC at the... front of the expansion-card cage. Therefore, when you measure these voltages, the DC power input connectors must be mounted to the top of the computer. The system power supply provides the DC operating voltages and currents listed in Table 1-4. The hard-disk drive bracket ...
... start-up operations. 1-22 The low-profile computers have a 145-W system power supply, the midsize computers have a 200-W system power supply, and the mini tower computers have a 230-W power supply. All system power supplies can operate from an AC power source of 115 VAC at 50 to 60 Hz or 230 VAC at the... front of the expansion-card cage. Therefore, when you measure these voltages, the DC power input connectors must be mounted to the top of the computer. The system power supply provides the DC operating voltages and currents listed in Table 1-4. The hard-disk drive bracket ...
Service Manual
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... them. PWRGOOD should measure between +4 and +5 VDC when the power supply is pressed, taking PSON# to indicate that all power-supply output voltages are within ranges specified in Table 1-4. sometimes called "standby power." The power-supply output voltages can be measured at the back (wire side) of...-12 VDC (blue) +12 VDC (yellow) +5 VFP (purple) 1 Pin 11 - Thermal fan-speed control (TFSC) is a power-supply input signal used to +5.25 VDC 10 mA 3 VFP (volts flea power) - System Overview 1-23 -12 VDC -10.80 to -13.20 VDC 0.3 A (low-profile computers); 0.3 A (midsize and...
... them. PWRGOOD should measure between +4 and +5 VDC when the power supply is pressed, taking PSON# to indicate that all power-supply output voltages are within ranges specified in Table 1-4. sometimes called "standby power." The power-supply output voltages can be measured at the back (wire side) of...-12 VDC (blue) +12 VDC (yellow) +5 VFP (purple) 1 Pin 11 - Thermal fan-speed control (TFSC) is a power-supply input signal used to +5.25 VDC 10 mA 3 VFP (volts flea power) - System Overview 1-23 -12 VDC -10.80 to -13.20 VDC 0.3 A (low-profile computers); 0.3 A (midsize and...
Service Manual
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1234 P2, P3, P5, P6, P9 +5 VDC (red) common (black) common (black) +12 VDC (yellow) P4 12 34 +12 VDC (yellow) common (black) common (black) +5 VDC (red) P2, P7 1 2 34 5 6 +3.3 VDC (blue/white) +3.3 VDC (blue/white) +3.3 VDC (blue/white) common (black) common (black) common (black) Figures 1-18 through 1-22 provide the following information about DC power distribution: Power-supply connector identification Power cable connections for diskette, tape, CD-ROM, and hard-disk drives Power distribution to sockets and connectors on the system board 1-24
1234 P2, P3, P5, P6, P9 +5 VDC (red) common (black) common (black) +12 VDC (yellow) P4 12 34 +12 VDC (yellow) common (black) common (black) +5 VDC (red) P2, P7 1 2 34 5 6 +3.3 VDC (blue/white) +3.3 VDC (blue/white) +3.3 VDC (blue/white) common (black) common (black) common (black) Figures 1-18 through 1-22 provide the following information about DC power distribution: Power-supply connector identification Power cable connections for diskette, tape, CD-ROM, and hard-disk drives Power distribution to sockets and connectors on the system board 1-24
Service Manual
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keyboard controller system board +3 VDC battery P1 PWRGOOD power management RTC/ and NIC logic NVRAM POWER1 system power supply PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC P7 +3.3 VDC PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC POWER2 +5 VDC -5 VDC +12 VDC -12 VDC ...
keyboard controller system board +3 VDC battery P1 PWRGOOD power management RTC/ and NIC logic NVRAM POWER1 system power supply PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC P7 +3.3 VDC PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC POWER2 +5 VDC -5 VDC +12 VDC -12 VDC ...
Service Manual
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... P1 on the system board and hard-disk drive. The system power supply provides the DC operating voltages and currents listed in Table 1-5. The OptiPlex NX1 computers have an 80-W computer power supply. The power supply can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50... Hz. keyboard controller P1 PWRGOOD system board +3 VDC battery power management RTC/ and NIC logic NVRAM ...
... P1 on the system board and hard-disk drive. The system power supply provides the DC operating voltages and currents listed in Table 1-5. The OptiPlex NX1 computers have an 80-W computer power supply. The power supply can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50... Hz. keyboard controller P1 PWRGOOD system board +3 VDC battery power management RTC/ and NIC logic NVRAM ...
Service Manual
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...+4.75 to +5.25 VDC 1.2 A 1 The combined load on the +5-VDC and +3.3-VDC outputs should measure between +4 and +5 VDC when the power supply is pressed, taking PSON# to its active-low state. 2 Pin 19 - Figures 1-23 through 1-25 show the wire side of the connectors without... disconnecting them. sometimes called "standby power." Thermal fan-speed control (TFSC) is a power-supply input signal used to control the power-supply fan speed. 3 Pin 5 - The power-supply output voltages can be measured at the back (wire side) of the connectors....
...+4.75 to +5.25 VDC 1.2 A 1 The combined load on the +5-VDC and +3.3-VDC outputs should measure between +4 and +5 VDC when the power supply is pressed, taking PSON# to its active-low state. 2 Pin 19 - Figures 1-23 through 1-25 show the wire side of the connectors without... disconnecting them. sometimes called "standby power." Thermal fan-speed control (TFSC) is a power-supply input signal used to control the power-supply fan speed. 3 Pin 5 - The power-supply output voltages can be measured at the back (wire side) of the connectors....
Service Manual
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P2 1 2 34 5 6 +3.3 VDC (blue/white) +3.3 VDC (blue/white) +3.3 VDC (blue/white) common (black) common (black) common (black) 1234 P3 +5 VDC (red) common (black) common (black) +12 VDC (yellow) Figures 1-26 and 1-27 provide the following information about DC power distribution: Power-supply connector identification Power cable connection for the hard-disk drive Power distribution to sockets and connectors on the system board P3 P2 P1 System Overview 1-31
P2 1 2 34 5 6 +3.3 VDC (blue/white) +3.3 VDC (blue/white) +3.3 VDC (blue/white) common (black) common (black) common (black) 1234 P3 +5 VDC (red) common (black) common (black) +12 VDC (yellow) Figures 1-26 and 1-27 provide the following information about DC power distribution: Power-supply connector identification Power cable connection for the hard-disk drive Power distribution to sockets and connectors on the system board P3 P2 P1 System Overview 1-31