Trouble locating and clearing procedures (continued) 1-555
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
TOPS MPX Power-on self-test troubleshooting
(continued)
111
I/O parity
1
112
Watchdog time-out
1
113
DMS arbitration time-out
1
114
External ROM checksum
1
160
System board ID recognized
1
161
Bad battery or configuration
1
162
CMOS checksum or adapter ID
mismatch
1
163
Date and time not set
2
164
Memory size mismatch
1
165
Adapter ID mismatch
3
166
Card busy
1
167
System clock does not update
1
201
Memory miscompare or parity
1
202
Memory address line error
(address line 00-15)
1
203
Memory address line error
(address line 00-15)
1
211
Memory Base 64K on system
board fails
1
215
Memory Base 64K on
daughter/SIP 2 fails
1
216
Memory Base 64K on
daughter/SIP 1 fails
1
221
ROM to RAM copy
1
225
Wrong speed memory on system
board
1
301
Keyboard interface
4
Error Codes and Messages (Sheet 2 of 3)
Error Code
Description of Failure or Error
Suggested Action