Dell OptiPlex GX1 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC S - Page 169

System Setup Program

A-7

When determining the order of devices to boot from, the system first consid-

ers the order of the devices listed under the

Device Controller Priority

option,

then the order of devices under

Boot Device Priority

.

To specify your priority preferences, order the devices under these categories

so that the highest-priority controller is at the top of the

Device Controller

Priority

option and the highest-priority device is at the top of the

Boot Device

Priority

option. Order the remainder of the devices in the

Boot Device Prior-

ity

option according to your preferences. Move any devices that you want the

system to ignore during system start-up into the

Exclude From Boot Device

Priority

option.

NOTE: The system defines

Hard Drive C:

in the


option

as the first hard-disk drive attached to the highest-priority device controller.

Therefore, if you have a SCSI adapter installed in your computer and you want

the SCSI drive 0 to be drive C, you must move the SCSI adapter item to the top

of the

Device Controller Priority

option.

To change the order of the devices, press <Ctrl> and the up- or down-arrow

key. If you want to revert to the original


option settings,

press <Ctrl><Del>.

NOTE: If you exit the

Device List

option by pressing <Esc> or <Alt><b> with-

out making any changes, the

Boot Sequence

option is set to the

Device List

option.

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Section	Page
Contents	3
System Overview	13
Chassis Differences	14
Chassis Similarities	15
Standard Features	15
Pentium II Microprocessor	15
Secondary L2 Cache	15
Main Memory	16
Upgradable BIOS in Flash Memory	16
EIDE Subsystem	16
SMART Technology	16
Integrated Diskette/Tape Drive Controller	17
Integrated SVGA Subsystem	17
Integrated Audio Controller	17
ATI Multimedia Channel	18
Telephony Application Programming Interface	18
Chassis Intrusion Detection	18
Integrated Ethernet NIC Support (Optional)	19
Network Cable Requirements	19
Full Set of I/O Ports	19
Power Supply	20
Location of Major Components	20
Advanced Expansion Features	25
OptiPlex NX1 Computer’s Expansion-Card Slot	26
Low-Profile Computer’s Expansion-Card Slots	26
Midsize Computer’s Expansion-Card Slots	26
Mini Tower Computer’s Expansion-Card Slots	28
Upgrade Options	28
Microprocessor/L2 Cache Upgrades	28
Main Memory Expansion	29
Video-Memory Upgrade Option	29
Computer Service Information	29
Online Documentation	29
System Diagnostics	30
System-Board Service Data	30
System Board	30
System Board Jumpers	32
Interrupt Assignments	33
DMA Channel Assignments	34
Hard-Disk Drive Service Information	34
Hard-Disk Drive for the Low-Profile Computer	35
Hard-Disk Drive for the Midsize Computer	35
Hard-Disk Drive for the Mini Tower Computer	36
Hard-Disk Drive for the OptiPlex NX1 Computer	36
Power-Supply Service Data	36
Pin Assignments for the DC Power Connectors	37
DC Power Distribution	38
System Power Supply for the OptiPlex NX1 Computer	43
OptiPlex NX1 Pin Assignments for the DC Power Connectors	44
DC Power Distribution for the OptiPlex NX1 Computer	45
Technical Specifications	47
Basic Troubleshooting	55
Initial User Contact	55
External Visual Inspection	56
Observing the Boot Routine	57
Internal Visual Inspection	58
Eliminating Resource Conflicts	59
Running the System Diagnostics	59
Server-Based Diagnostics	60
Hard-Disk–Based Diagnostics (OptiPlex NX1 Systems Only)	61
Diskette-Based Diagnostics	62
Connecting an External Diskette Drive to the OptiPlex NX1 Computer	63
Running the Diskette-Based Diagnostics	64
Getting Help	64
Beep Codes and Error Messages	65
POST Beep Codes	65
System Error Messages	67
Removing and Replacing Parts on the Low-Profile Chassis	73
Recommended Tools	73
Precautionary Measures	73
Inside the Computer	74
Computer Cover	76
Eject, Power, and Reset Buttons	77
Front-Panel Inserts	78
Control Panel	79
Drives	80
Externally Accessible Drive Assemblies	80
3.5-Inch Diskette Drive Assembly	81
5.25-Inch Drive Assembly	82
Hard-Disk Drive Assembly	83
System Power Supply	84
Expansion Cards	85
Expansion-Card Cage	85
Expansion Card	86
Riser Board	87
System Board	88
System Board Components	89
DIMMs	89
Video Memory	90
Microprocessor	91
SEC Cartridge/Heat Sink Assembly	91
System Battery	92
Removing and Replacing Parts on the Midsize Chassis	95
Recommended Tools	95
Precautionary Measures	95
Inside the Computer	96
Optional Stand	98
Computer Cover	99
Eject, Power, and Reset Buttons	100
Front-Panel Inserts	101
Control Panel	102
Drives	103
Externally Accessible Drive Assemblies	103
3.5-Inch Diskette Drive Assembly	104
5.25-Inch Drive Assembly	105
Hard-Disk Drive Bracket	106
Hard-Disk Drive	107
System Power Supply	108
Expansion Cards	109
Expansion-Card Cage	109
Expansion Card	110
Riser Board	111
System Board	112
System Board Components	113
DIMMs	113
Video Memory	114
Microprocessor	115
SEC Cartridge/Heat Sink Assembly	115
System Battery	116
Removing and Replacing Parts on the Mini Tower Chassis	119
Recommended Tools	119
Precautionary Measures	119
Inside the Computer	120
Computer Cover	122
Front Bezel	123
Eject, Power, and Reset Buttons	124
Front-Panel Inserts	125
Control Panel	127
Drives	128
Externally Accessible Drive Assemblies	128
3.5-Inch Diskette Drive Assembly	129
5.25-Inch Drive Assembly	130
Hard-Disk Drive Bracket	132
Hard-Disk Drive	133
System Power Supply	134
Expansion Cards	135
Expansion-Card Cage	135
Expansion Card	136
Riser Board	137
System Board	138
System Board Components	139
DIMMs	139
Video Memory	140
Microprocessor	141
SEC Cartridge/Heat Sink Assembly	141
System Battery	142
Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis	145
Recommended Tools	145
Precautionary Measures	146
Inside the Computer	146
Optional Stand	147
Computer Cover	148
Control Panel	150
Hard-Disk Drive	151
System Power Supply	152
Expansion-Card Cage	153
Expansion Card	154
Riser Board	155
System Board	156
System Board Components	157
DIMMs	157
Video Memory	158
Microprocessor	159
SEC Cartridge/Heat Sink Assembly	159
System Battery	160
System Setup Program	163
System Setup Screens	164
Device List	168

Dell OptiPlex GX1 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC S - Page 169

Hard Drive C, Boot Device Priority, Device Controller Priority, Device List, Boot Sequence

Page 169 highlights