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DIRECTION L - SERVICE
NEC DIRECTION L - SERVICE Manuals
Manuals and User Guides for NEC DIRECTION L - SERVICE. We have
2
NEC DIRECTION L - SERVICE manuals available for free PDF download: Manual, Service Manual
NEC DIRECTION L - SERVICE Manual (199 pages)
Brand:
NEC
| Category:
Desktop
| Size: 0.86 MB
Table of Contents
Table of Contents
2
Using this Guide
9
Text Conventions
11
Related Documents
12
1 Introducing Your Computer
14
Front Features
15
System Controls and Lamps
16
Diskette Drive a
17
CD-ROM Reader
18
Back Features
20
External Connectors
22
Power Supply Features
25
Zip Drive
25
Microphone
27
Speakers
27
Mouse
28
2 Using Your Computer
29
System Operation
29
Starting up
30
Shutting down
31
Setting the Date and Time
32
Using Diskettes
32
Using Cds
33
Handling Compact Discs
34
Loading a CD
35
Removing a CD
36
Using Your System's Audio Functions
36
Power Management
36
Protecting Your System
37
Setting a Password
37
Using a Password
38
Productivity
39
Saving Your Work
39
Backing up Your Work
40
Printing a Document
40
Display Properties
41
System Care
43
Protecting Your System from Damage
43
Keeping Your System in Good Condition
44
Moving or Shipping Your System
45
Battery Replacement
46
Online Documentation
49
Where to Go from here
49
3 Understanding System Features
51
Standard Features
51
System Chassis
52
System Board Components
52
Processor
52
Drive Interfaces
52
Ports
53
System Memory
53
Intel Xcelerator Multifunction Controller
53
Flash ROM
53
Plug and Play
54
Graphics and Multimedia Features
54
Accelerated Graphics Port Interface (AGP)
54
Video Support
54
Audio
55
Super I/O Controller
55
USB Ports
56
Dual IDE Channels
56
Power-Saving Feature
56
Options and Upgrades
57
Network Interface Card
57
Modem
57
Removable Storage
57
Keyboard
58
Audio
58
Power Backup
58
4 System BIOS and Utilities
59
System BIOS and the Setup Utility
59
Sample Memory Configurations
73
The Setup Utility
79
When to Use Setup
79
How to Start Setup
80
How to Use Setup
80
Main Menu
81
Processor Type
82
Processor Speed
82
Cache RAM
82
Total Memory
82
BIOS Version
83
Language
83
System Time and Date
83
Floppy Options Submenu
83
Maintenance Menu
81
Processor Speed
81
Clear All Passwords
81
IDE Devices
84
Primary/Secondary IDE Master/Slave Submenus
85
Advanced Menu
88
Resource Configuration Submenu
89
Peripheral Configuration Submenu
90
Keyboard Configuration Submenu
92
Video Configuration Submenu
93
DMI Event Logging Submenu
93
Security Menu
95
How to Set a Password
96
How to Disable Password Protection
97
Unattended Start
97
Power Menu
98
Boot Menu
99
Hard Drive Submenu
101
Removable Devices Submenu
101
Exit Menu
102
BIOS Flash Utility
103
Video Drivers
104
Device Cables
106
Diskette Drive Signal Cable
107
IDE Signal Cables
108
System Power Cables
109
Cabling Storage Devices
109
Cabling an IDE Device
110
Cabling a Diskette Drive
111
Installing Storage Devices
112
Removing the Front Panel
113
Installing a 3 1/2-Inch Device
114
Installing the 5 1/4-Inch Device
117
Accessing the CD-ROM Reader
119
Replacing the Front Panel
119
Adding External Options
120
Connecting a Parallel Printer
120
Connecting a Serial Device
122
6 Setting System Board Jumpers
123
Locating the Jumper
123
Clearing Your Password
124
Recovering the BIOS
126
24-Hour Information Services
128
NECCSD Faxflash Service
129
NECCSD Bulletin Board Service
130
America Online Service
133
Compuserve Online Service
134
E-Mail/Fax Technical Support Service
135
Internet
136
NECCSD Technical Support Services
137
8 If You Have a Problem
138
Problem Checklist
139
Solutions to Common Problems
140
System Problems
140
Diskette Drive Problems
142
Monitor Problems
143
Keyboard/Mouse Problems
144
CD-ROM Problems
144
Speaker Problems
145
Microphone Problems
145
Getting Help
145
Getting Help from Your Company
146
Getting Help from Your NECCSD Dealer
146
Getting Help from NECCSD Technical Support
146
NECCSD Warranty/Non-Warranty Repair Service
147
Setting up a Healthy Work Environment
148
Making Your Computer Work for You
148
Arrange Your Equipment
150
Adjust Your Chair
151
Adjust Your Input Devices
153
Adjust Your Monitor
155
Vary Your Workday
157
Preexisting Conditions and Psychosocial Factors
158
Checking Your Comfort: How Do You Measure up
159
Checking Your Chair
159
Checking Your Keyboard
159
Checking Your Mouse
159
Checking Your Monitor
159
Checking You
160
Limited Warranty
161
How Long Is the Warranty
161
Who Is Protected
161
What Is Covered and What Is Not Covered
161
What We will Pay for and What We will Not Pay for
162
How You Can Get Warranty Service
163
Year One
163
Years Two and Three
163
For Customer Service and Other Information
164
Telephone 1-888-632-9128
164
Limitation of Damages and Implied Warranties
165
How State Law Relates to the Warranty
165
System Specifications
166
Standard Features
166
Processor
166
Second Level Cache
167
Memory
167
Acceptable DIMM Options
168
Chipset
170
Intel 82443LX PCI/A.G.P. Controller (PAC
170
Intel 82371AB PCI Isa IDE Xccelerator (PIIX4
171
Accelerated Graphics Port (AGP
173
Universal Serial Bus (USB) Support
173
IDE Support
174
Super I/O Controller
174
Serial Ports
175
Parallel Port
175
Floppy Controller
175
Keyboard & Mouse
175
Interrupt Requests (Irqs
176
Interrupt Assignments
176
Audio Support
177
OPL3-SA3 Audio System
177
OPL4-ML Wavetable Synthesizer
177
Audio Connectors
178
CD-ROM Audio Connector
178
Expansion Slots
178
Bios
178
Video Support and Monitor
179
Power Supply
179
Power Consumption
180
DC Voltage
180
Environmental Specifications
181
Ambient Temperature
181
Humidity
181
System Board, Connectors, and Error Messages
182
System Board
182
Connectors
183
Rear Panel Connectors
184
System Board External Connectors
184
Internal Connectors
185
System Board Internal Connectors
185
Error Messages
187
Beep Codes
192
Index
193
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NEC DIRECTION L - SERVICE Service Manual (139 pages)
Desktop and minitower Pentium II systems
Brand:
NEC
| Category:
Desktop
| Size: 0.84 MB
Table of Contents
Table of Contents
2
Preface
10
Abbreviations
11
Technical Information
14
Tables
15
Table 1-1 L Series System Features
15
Table 1-2 SPL Series System Features
16
System Board
17
Processor
17
System Cache/Memory
17
Table 1-3 SP Series System Features
17
Chipset
18
PCI Local Bus
18
Expansion Bus
19
Bios
19
Plug and Play Support
20
Table 1-4 System Memory Map
20
CMOS Memory/Real-Time Clock Battery
21
DMA/IRQ Settings
21
Table 1-5 Interrupt Level Assignments
21
IDE Ports
22
I/O Ports
22
Table 1-6 DMA Assignments
22
Sound System
23
Robotics Modem Board (Optional)
23
Diskette Drive
23
Hard Disk Drive
24
CD-Rom/DVD Drive
24
Zip Drive
24
Power Supply
24
Power Management
24
Setup Utility
25
Configuration Information
25
When to Use Setup
25
How to Start Setup
26
How to Use Setup
27
Menu Bar
27
Legend Bar
28
Selecting a Menu Item
28
Displaying a Submenu
28
Getting Help
28
Table 2-1 Setup Key Functions
28
Main Menu
29
Floppy Options Submenu
30
Primary/Secondary IDE Master/Slave Submenus
31
Advanced Menu
33
Resource Configuration Submenu
34
Peripheral Configuration Submenu
34
Keyboard Configuration Submenu
36
Video Configuration Submenu
37
DMI Event Logging Submenu
37
Security Menu
38
Power Menu
38
Boot Menu
39
Hard Drive Submenu
39
Removable Drive Submenu
40
Exit Menu
40
Option Installation
41
General Rules for Installing Options
41
Precautions
42
Removing the Access Cover
43
Figure 3-1 Releasing the Cover
44
Figure 3-2 Aligning the Tabs
44
Figures
44
Replacing the Access Cover
44
Expansion Boards
45
Expansion Slot Locations
45
Expansion Board Installation
46
Figure 3-3 Locating Expansion Slots
46
Figure 3-4 Removing the Slot Cover
46
Expansion Board Removal
47
DIMM Upgrade
47
DIMM Removal
49
Table 3-1 Sample Memory Configurations
49
DIMM Installation
50
Figure 3-5 Removing a DIMM
50
Data Storage Devices
51
Device Slots
51
Figure 3-6 Installing a DIMM
51
Device Preparation
52
Figure 3-7 Locating Device Slots
52
Device Cables
53
Diskette Drive Signal Cable
53
IDE Signal Cables
53
Figure 3-8 System Board Cable Connectors
53
Figure 3-9 Diskette Drive Signal Cable
54
System Power Cables
55
Device Cabling
56
Cabling an IDE Device
56
Cabling an Accessible 5 1/4-Inch Device
57
Storage Device Installation
58
Removing the Front Panel
58
Removing the CD-ROM/DVD Drive
58
Installing a 3 1/2-Inch Device
59
Installing a 5 1/4-Inch Device
63
Replacing the Front Panel
64
Video Upgrade
51
Adding External Options
65
Parallel Printer
65
RS-232C Device Connection
67
Maintenance and Troubleshooting
68
Table 4-1 NEC CSD Service and Information Telephone Numbers
68
Maintenance
69
System Cleaning
69
Keyboard Cleaning
70
Mouse Cleaning
70
Troubleshooting
72
Diagnosing and Solving Problems
72
Table 4-2 Problems and Solutions
72
Beep Codes
78
CMOS Battery Replacement
78
Table 4-3 Beep Code Descriptions
78
Disassembly and Reassembly
80
Table 5-1 Disassembly Sequence
80
Disassembly
81
System Access Cover
81
Expansion Board Removal
81
Front Panel Removal
82
Side Panel Removal
83
Device Cage Removal
83
Diskette Drive Removal
83
1/4-Inch Device Removal
84
Optional 3 1/2-Inch Hard Disk Drive Removal
85
Standard 3 1/2-Inch Hard Disk Drive Removal
87
Fan Assembly Removal
87
DIMM Module Removal
88
Power Supply Removal
89
System Board Removal
90
Illustrated Parts Breakdown
90
Table 5-2 Direction L Series Desktop Field-Replaceable Parts List
91
Table 5-3 Direction L Series Minitower Field-Replaceable Parts List
95
Table 5-4 Direction SPL and SP Series Desktop Field-Replaceable Parts List
99
Table 5-5 Direction SPL and SP Series Minitower Field-Replaceable Parts List
103
Table 5-6 Memory Options
107
Table 5-7 Direction Series Documentation
107
Appendix A System Specifications
108
Appendix B Connector Pin Assignments
114
Table B-1 System Board Connectors
114
Table B-2 System Board Internal Connectors
116
Table B-3 System Board Connector Numbers and Types
116
Serial Interface Connectors
117
Table-B-4 RS-232C Serial Port Connector Pin Assignments
117
Parallel Interface Connector
118
Table B-5 Parallel Port Connector Pin Assignments
118
Power Supply (Primary
119
Keyboard and Mouse Connectors
119
Table B-6 Primary Power Supply Connector Pin Assignments
119
Table B-7 Keyboard and Mouse Connector Pin Assignments
119
Front Panel
120
Table B-8 Front Panel Connector Pin Assignments
120
Diskette Drive Interface Pin Assignments
121
Table B-9 Diskette Drive Connector Pin Assignments
121
IDE Interface Connectors
122
Table B-10 IDE/PCI Connector Pin Assignments
122
DIMM Sockets
123
Table B-11 DIMM Socket Pin Assignments
123
AGP Connector
124
Table B-12 AGP Connector Pin Assignments
124
ISA Expansion Bus Connector Pin Assignments
125
PCI Expansion Bus Connector Pin Assignments
127
Universal Serial Bus (USB) Connectors
128
Appendix C System Resources
129
IRQ Settings
129
Viewing System Resources
130
Setting the Jumper
130
Clearing Your Password
131
Recovering the BIOS
132
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