NEC Direction 300L Manuals

Manuals and User Guides for NEC Direction 300L. We have 1 NEC Direction 300L manual available for free PDF download: Service Manual

NEC Direction 300L 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
- 56
  Device Cabling
  - 56
    Cabling an IDE Device
  - 57
    Cabling an Accessible 5 1/4-Inch Device
- 58
  Storage Device Installation
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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