List of Tables

System Memory Map

1-7

Interrupt Level Assignments

1-8

DMA Assignments

1-8

Setup Key Functions

2-5

Sample Memory Configurations

3-9

NEC CSD Service and Information Telephone Numbers

4-2

Problems and Solutions

4-5

Beep Code Descriptions

4-9

Disassembly Sequence

5-2

Direction SP B-Series Desktop Field-Replaceable Parts List

5-12

Direction SP B-Series Minitower Field-Replaceable Parts List

5-15

System Board Connectors

B-2

System Board Internal Connectors

B-4

System Board Connector Numbers and Types

B-4

RS-232C Serial Port Connector Pin Assignments

B-5

Parallel Port Connector Pin Assignments

B-5

Primary Power Supply Connector Pin Assignments

B-6

Keyboard and Mouse Connector Pin Assignments

B-7

Front Panel Connector Pin Assignments

B-7

Diskette Drive Connector Pin Assignments

B-8

IDE/PCI Connector Pin Assignments

B-9

DIMM Socket Pin Assignments

B-10

AGP Connector Pin Assignments

B-11

ISA Expansion Slot Pin Assignments

B-13

PCI Expansion Slot Pin Assignments

B-15

USB Connectors

B-16

System Board Jumper Settings

C-3

viii Contents

Page 8
Image 8
NEC SP B-Series manual List of Tables, Viii Contents