NEC DIRECTION SP B - SERVICE MANUAL 1998 Service Manual page 7

viii Contents
Figure C-1 Locating the Jumper................................................................................... C-2
Tables
Table 1-1 System Features ........................................................................................... 1-1
Table 1-2 System Memory Map ................................................................................... 1-3
Table 1-3 Interrupt Level Assignments......................................................................... 1-5
Table 1-4 DMA Assignments ....................................................................................... 1-5
Table 2-1 Setup Key Functions .................................................................................... 2-4
Table 3-1 Sample Memory Configurations ................................................................... 3-9
Table 4-1 NEC CSD Service and Information Telephone Numbers .............................. 4-1
Table 4-2 Problems and Solutions ................................................................................ 4-5
Table 4-3 Beep Code Descriptions ............................................................................... 4-11
Table 5-1 Disassembly Sequence.................................................................................. 5-1
Table 5-2 Direction SP B-Series Desktop Field-Replaceable Parts List......................... 5-12
Table 5-3 Direction SP B-Series Minitower Field-Replaceable Parts List...................... 5-16
Table 5-4 Direction SP B-Series Memory Options ....................................................... 5-20
Table 5-5 Direction SP B-Series Documentation .......................................................... 5-20
Table B-1 System Board Connectors............................................................................ B-1
Table B-2 System Board Internal Connectors............................................................... B-3
Table B-3 System Board Connector Numbers and Types ............................................. B-3
Table-B-4 RS-232C Serial Port Connector Pin Assignments ........................................ B-4
Table B-5 Parallel Port Connector Pin Assignments ..................................................... B-5
Table B-6 Primary Power Supply Connector Pin Assignments...................................... B-6
Table B-7 Keyboard and Mouse Connector Pin Assignments ....................................... B-6
Table B-8 Front Panel Connector Pin Assignments....................................................... B-7
Table B-9 Diskette Drive Connector Pin Assignments .................................................. B-8
Table B-10 IDE/PCI Connector Pin Assignments......................................................... B-9
Table B-11 DIMM Socket Pin Assignments ................................................................. B-10
Table B-12 AGP Connector Pin Assignments............................................................... B-11
Table B-13 ISA Expansion Slot Pin Assignments ......................................................... B-12