NEC POWERMATE PRO2180 - SERVICE MANUAL 1996 Service Manual page 7

viii Contents
Troubleshooting .......................................................................................................... 4-4
Error Messages..................................................................................................... 4-4
Diagnosing and Solving Problems ......................................................................... 4-7
Beep Codes .......................................................................................................... 4-12
CMOS Battery Replacement................................................................................. 4-12
Section 5 Repair
Disassembly and Reassembly ....................................................................................... 5-1
System Unit Cover Removal ................................................................................. 5-2
Side Panel Removal .............................................................................................. 5-4
Expansion Board Removal.................................................................................... 5-4
SIMM Removal.................................................................................................... 5-5
Front Panel Assembly Removal............................................................................. 5-7
Blank Panel and Metal Cover Plate Removal......................................................... 5-7
3 1/2-inch Diskette Drive Removal ....................................................................... 5-8
3 1/2-inch Hard Disk Drive Removal .................................................................... 5-10
5 1/4-Inch Device Removal................................................................................... 5-11
Power Supply Removal......................................................................................... 5-13
System Board Removal......................................................................................... 5-14
Illustrated Parts Breakdown......................................................................................... 5-15
Appendix A Connector Pin Assignments
Parallel Interface Connector......................................................................................... A-2
Serial Interface Connectors.......................................................................................... A-3
Keyboard and Mouse Connectors ................................................................................ A-4
Power Supply Connector ............................................................................................. A-5
Storage Device Connectors.......................................................................................... A-6
Diskette Drive Connector ..................................................................................... A-7
IDE Connectors.................................................................................................... A-8
LED Connectors.......................................................................................................... A-9
Hard Drive LED Connector.................................................................................. A-9
Power LED Connector ......................................................................................... A-10
Reset Button Connector ....................................................................................... A-10
Infrared Connector ............................................................................................... A-11
ISA Connectors........................................................................................................... A-11
PCI Connectors ........................................................................................................... A-13