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Direction 300L
NEC Direction 300L Manuals
Manuals and User Guides for NEC Direction 300L. We have
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NEC Direction 300L manual available for free PDF download: Service Manual
NEC Direction 300L Service Manual (139 pages)
Desktop and minitower Pentium II systems
Brand:
NEC
| Category:
Desktop
| Size: 0.84 MB
Table of Contents
2
Table of Contents
10
Preface
11
Abbreviations
14
Technical Information
15
Table 1-1 L Series System Features
16
Table 1-2 SPL Series System Features
17
System Board
17
Processor
17
System Cache/Memory
17
Table 1-3 SP Series System Features
18
Chipset
18
PCI Local Bus
19
Expansion Bus
19
Bios
20
Plug and Play Support
20
Table 1-4 System Memory Map
21
CMOS Memory/Real-Time Clock Battery
21
DMA/IRQ Settings
21
Table 1-5 Interrupt Level Assignments
22
IDE Ports
22
I/O Ports
22
Table 1-6 DMA Assignments
23
Sound System
23
Robotics Modem Board (Optional)
23
Diskette Drive
24
Hard Disk Drive
24
CD-Rom/DVD Drive
24
Zip Drive
24
Power Supply
24
Power Management
25
Setup Utility
25
Configuration Information
25
When to Use Setup
26
How to Start Setup
27
How to Use Setup
27
Menu Bar
28
Legend Bar
28
Selecting a Menu Item
28
Displaying a Submenu
28
Getting Help
28
Table 2-1 Setup Key Functions
29
Main Menu
30
Floppy Options Submenu
31
Primary/Secondary IDE Master/Slave Submenus
33
Advanced Menu
34
Resource Configuration Submenu
34
Peripheral Configuration Submenu
36
Keyboard Configuration Submenu
37
Video Configuration Submenu
37
DMI Event Logging Submenu
38
Security Menu
38
Power Menu
39
Boot Menu
39
Hard Drive Submenu
40
Removable Drive Submenu
40
Exit Menu
41
Option Installation
41
General Rules for Installing Options
42
Precautions
43
Removing the Access Cover
44
Replacing the Access Cover
44
Figure 3-1 Releasing the Cover
44
Figure 3-2 Aligning the Tabs
45
Expansion Boards
45
Expansion Slot Locations
46
Expansion Board Installation
46
Figure 3-3 Locating Expansion Slots
46
Figure 3-4 Removing the Slot Cover
47
Expansion Board Removal
47
DIMM Upgrade
49
DIMM Removal
49
Table 3-1 Sample Memory Configurations
50
DIMM Installation
50
Figure 3-5 Removing a DIMM
51
Video Upgrade
51
Data Storage Devices
51
Device Slots
51
Figure 3-6 Installing a DIMM
52
Device Preparation
52
Figure 3-7 Locating Device Slots
53
Device Cables
53
Diskette Drive Signal Cable
53
IDE Signal Cables
53
Figure 3-8 System Board Cable Connectors
54
Figure 3-9 Diskette Drive Signal Cable
55
System Power Cables
56
Device Cabling
56
Cabling an IDE Device
57
Cabling an Accessible 5 1/4-Inch Device
58
Storage Device Installation
58
Removing the Front Panel
58
Removing the CD-ROM/DVD Drive
59
Installing a 3 1/2-Inch Device
63
Installing a 5 1/4-Inch Device
64
Replacing the Front Panel
65
Adding External Options
65
Parallel Printer
67
RS-232C Device Connection
68
Maintenance and Troubleshooting
68
Table 4-1 NEC CSD Service and Information Telephone Numbers
69
Maintenance
69
System Cleaning
70
Keyboard Cleaning
70
Mouse Cleaning
72
Troubleshooting
72
Diagnosing and Solving Problems
72
Table 4-2 Problems and Solutions
78
Beep Codes
78
CMOS Battery Replacement
78
Table 4-3 Beep Code Descriptions
80
Disassembly and Reassembly
80
Table 5-1 Disassembly Sequence
81
Disassembly
81
System Access Cover
81
Expansion Board Removal
82
Front Panel Removal
83
Side Panel Removal
83
Device Cage Removal
83
Diskette Drive Removal
84
1/4-Inch Device Removal
85
Optional 3 1/2-Inch Hard Disk Drive Removal
87
Standard 3 1/2-Inch Hard Disk Drive Removal
87
Fan Assembly Removal
88
DIMM Module Removal
89
Power Supply Removal
90
System Board Removal
90
Illustrated Parts Breakdown
91
Table 5-2 Direction L Series Desktop Field-Replaceable Parts List
95
Table 5-3 Direction L Series Minitower Field-Replaceable Parts List
99
Table 5-4 Direction SPL and SP Series Desktop Field-Replaceable Parts List
103
Table 5-5 Direction SPL and SP Series Minitower Field-Replaceable Parts List
107
Table 5-6 Memory Options
107
Table 5-7 Direction Series Documentation
108
Appendix A System Specifications
114
Appendix B Connector Pin Assignments
114
Table B-1 System Board Connectors
116
Table B-2 System Board Internal Connectors
116
Table B-3 System Board Connector Numbers and Types
117
Serial Interface Connectors
117
Table-B-4 RS-232C Serial Port Connector Pin Assignments
118
Parallel Interface Connector
118
Table B-5 Parallel Port Connector Pin Assignments
119
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
120
Front Panel
120
Table B-8 Front Panel Connector Pin Assignments
121
Diskette Drive Interface Pin Assignments
121
Table B-9 Diskette Drive Connector Pin Assignments
122
IDE Interface Connectors
122
Table B-10 IDE/PCI Connector Pin Assignments
123
DIMM Sockets
123
Table B-11 DIMM Socket Pin Assignments
124
AGP Connector
124
Table B-12 AGP Connector Pin Assignments
125
ISA Expansion Bus Connector Pin Assignments
127
PCI Expansion Bus Connector Pin Assignments
128
Universal Serial Bus (USB) Connectors
129
Appendix C System Resources
129
IRQ Settings
130
Viewing System Resources
130
Setting the Jumper
131
Clearing Your Password
132
Recovering the BIOS
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