NEC DIRECTION L Service Manual page 4

Device Cabling...................................................................................................... 3-16
Cabling an IDE Device................................................................................... 3-16
Cabling an Accessible 5 1/4-Inch Device ........................................................ 3-17
Storage Device Installation.................................................................................... 3-18
Removing the Front Panel .............................................................................. 3-18
Removing the CD-ROM/DVD Drive.............................................................. 3-18
Installing a 3 1/2-Inch Device ......................................................................... 3-19
Installing a 5 1/4-Inch Device ......................................................................... 3-23
Replacing the Front Panel............................................................................... 3-24
Adding External Options.............................................................................................. 3-25
Parallel Printer ...................................................................................................... 3-25
RS-232C Device Connection................................................................................. 3-27
Section 4 Maintenance and Troubleshooting
Maintenance ................................................................................................................ 4-2
System Cleaning.................................................................................................... 4-2
Keyboard Cleaning................................................................................................ 4-3
Mouse Cleaning .................................................................................................... 4-3
Troubleshooting........................................................................................................... 4-5
Diagnosing and Solving Problems ......................................................................... 4-5
Beep Codes........................................................................................................... 4-11
CMOS Battery Replacement ................................................................................. 4-11
Section 5 Disassembly and Reassembly
Disassembly ................................................................................................................. 5-2
System Access Cover............................................................................................ 5-2
Expansion Board Removal .................................................................................... 5-2
Front Panel Removal............................................................................................. 5-3
Side Panel Removal .............................................................................................. 5-4
Device Cage Removal ........................................................................................... 5-4
Diskette Drive Removal ........................................................................................ 5-4
5 1/4-Inch Device Removal ................................................................................... 5-5
Optional 3 1/2-Inch Hard Disk Drive Removal ...................................................... 5-6
Standard 3 1/2-Inch Hard Disk Drive Removal...................................................... 5-8
Fan Assembly Removal ......................................................................................... 5-8
DIMM Module Removal....................................................................................... 5-9
Power Supply Removal......................................................................................... 5-10
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