NEC VERSA 6220 Service Manual page 12

3-1 Troubleshooting............................................................................................. 3-2
3-2 POST Error Messages.................................................................................... 3-4
3-3 Beep Codes.................................................................................................... 3-6
4-1 NEC Versa 6220/30/60 Disassembly Sequence .............................................. 4-4
4-2 System RAM Expansion ................................................................................ 4-12
4-3 NEC Versa 6220/30/60 Field-Replaceable Parts ............................................. 4-27
4-4 NEC Service and Information Telephone Numbers......................................... 4-29
A-1 Graph Board Connectors................................................................................ A-2
A-2 I/O Board Connectors.................................................................................... A-3
A-3 Keyboard/Mouse Connectors ......................................................................... A-3
A-4 Serial Port Connector Pin Assignments .......................................................... A-3
A-5 CRT Connector Pin Assignments ................................................................... A-4
A-6 Parallel Printer Pin Assignments ..................................................................... A-4
A-7 Power Connector ........................................................................................... A-5
A-8 Hard Disk Drive Connector............................................................................ A-5
B-1 LCD Display Mode Setting (1024x768 TFT Color LCD and
Simultaneous CRT Display) Standard Video Mode .................................... B-1
B-2 Frequency Table of Standard Video Mode ..................................................... B-2
B-3 Expanded Video Mode................................................................................... B-2
B-4 Frequency Table of Extended Video Mode..................................................... B-3
B-5 CRT Display Mode Setting (CRT-only Display) ............................................. B-3
B-6 Extended Video Mode ................................................................................... B-4
B-7 Panning Video Mode for (1024x768 TFT Color LCD and
Simultaneous CRT Display)....................................................................... B-5
B-8 NTSC/PAL TV Display Mode ....................................................................... B-5
B-9 Panning NTSC/PAL TV Mode....................................................................... B-5
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