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HP 9020 - Page 7

HP 9020
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Module Self-Tests
.............................................................
3-5
Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-5
Processor Stack
..........................................................
, 3-5
Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-7
Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-7
Display Interface Module
(DIM)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-7
98760A Standard Color Graphics Display
....................................
, 3-7
98770A High Performance Color Graphics Display
.............................
3-7
98780A Monochromatic Display
............................................
, 3-8
9130K Flexible
Disc
Drive/Controller Card
.....................................
3-8
Winchester Fixed
Disc
Drive/Controller Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-8
Bootstrap Loader Card
....................................................
, 3-8
Self-Test Supervisory
Code
....................................................
, 3-9
Internal
I/O Bus
..........................................................
, 3-9
Memory
.................................................................
, 3-9
Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-10
Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-10
Display Interface Module
(DIM)
.............................................
3-10
98760A Display Alpha
and
GraphicS'
........................................
3-10
9130K Flexible
Disc
Drive/Controller Card
...................................
3-10
Winchester Fixed
Disc
Drive/Controller Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-10
System Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-11
98760A Display Color Alignment.
..............................................
3-12
Overview of
thE~
Alignment Process
..........................................
3-12
When Needed
..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-12
Required Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-12
Test Conditions
..........................................................
3-12
How
It
Works.
..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-13
The Intensity Adjustment
Procedure
.......................................
" 3-13
Early Warning/Fault Tolerance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-15
Overtemperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-15
Memory Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
3-15
Real-Time Clock/Non-Volatile Memory (RTC/NVM)
...........................
3-16
()9()20-90037. rev: 1;85
v

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