NCR PC4I, Owner'S Manual

Page: 108 / 167

MAINTENANCE AND TROUBLESHOOTING
test, one or more' of the messages shown in Figure 4-10 will be
displayed.
C — \
The NCR P e rs o n a l C o a p u te r C o p y r ljjh t 10B5 NCR C o rp ,
CONTROLLERS
___ CPU
PASSED
DHA
PASSED
___ FLEXIBLE DISK
PASSEO
___ INTERVAL TIMER
PASSED
__ ^INTERRUPT CONTROLLER
PASSEO
___ CPU CONTROLLER
PASSED
___ CRT, MONO
PASSED
___ SERIAL
PASSEO
<F2> T e r a tn e te T e a t M odul*
\ ________________________________________________________/
Figure 4-9 Controllers Test Screen
CONTROL ( d a te ) ( t i a e )
CENTRAL PROCESSING UNIT I CPU) ERROR
CONTROL ( d a ta ) ( t i a e )
DIRECT MEMORY ACCESS (OMA) CONTROLLER ERROR
CONTROL ( d a t e l ( t i a e )
FLEXIBLE DISK CONTROLLER BQARO ERROR
CONTROL ( d a te ) ( t i a e )
INTERVAL TIMER ERROR
CONTROL ( d a t e l ( t i a e )
INTERRUPT CONTROLLER ERROR
CONTROL ( d a t e l ( t i a e l
CPU CONTROLLER ERROR
CONTROL ( d a t e l ( t i a e )
MONOCHROME CRT CONTROLLER BQARO ERROR
CONTROL ( d a t e l ( t i a e )
COLOR CRT CONTROLLER BQARO ERROR
CONTROL ( d a te ) ( t i a e l
SERIAL PORT (COM1I ERROR
Figure 4-10 Controllers Error Message Screen
4-12 OWNER S MANUAL