DEC Personal DECstation 5000 User Manual page 7

13 Troubleshooting
Troubleshooting Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.1
Invoking the Powerup Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . .
13.2
Interpreting Video Error Messages . . . . . . . . . . . . . . . . . . . . . . .
13.3
Connecting and Using an Alternate Terminal . . . . . . . . . . . . . . .
13.4
Minimum Configuration Troubleshooting With the System
13.5
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Understanding the Powerup Self-Test Sequence and the LED
13.6
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Power-up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.6.1
What to Do When the Powerup LED Indicator is Inactive . . . . . .
13.7
Part V Appendices
A Equipment Specifications
Personal DECstation 5000 System Unit Equipment
A.1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VRC16 Monitor Equipment Specifications . . . . . . . . . . . . . . . . . .
A.2
VRM17 Monitor Equipment Specifications . . . . . . . . . . . . . . . . . .
A.3
LK501-AA Keyboard Equipment Specifications . . . . . . . . . . . . . .
A.4
VSXXX-BB Mouse Equipment Specifications . . . . . . . . . . . . . . . .
A.5
RZ23L SCSI Hard Disk Drive Equipment Specifications . . . . . . .
A.6
RZ24 SCSI Hard Disk Drive Equipment Specifications . . . . . . . .
A.7
RZ25 SCSI Hard Disk Drive Equipment Specifications . . . . . . . .
A.8
RX26 Diskette Drive Equipment Specifications . . . . . . . . . . . . . .
A.9
B The Audio I/O Port and Multimedia
C Part Numbers
D Connector Pin Assignments
SCSI Connector Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . .
D.1
ThickWire Ethernet Connector Pin Assignments . . . . . . . . . . . . .
D.2
EIA RS232 Communications Connectors Pin Assignments . . . . .
D.3
Power Supply Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . .
D.4
ISDN Connector Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . .
D.5
SERIAL.bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.6
Sound Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D.7
Loopback Connector Pin Assignments . . . . . . . . . . . . . . . . . . . . .
D.8
13-2
13-3
13-4
13-6
13-8
13-9
13-10
13-13
A-2
A-4
A-6
A-9
A-11
A-13
A-15
A-17
A-19
D-2
D-3
D-4
D-6
D-7
D-7
D-9
D-9
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