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Installation
Table 7-1. Display Enhancement PCA Jumper Protocol
ALTERNATE
128/64 (JUMPER IN/JUMPER OUT)
ALPHANUMERIC/MICROVECTOR (JUMPER IN/JUMPER OUT)
SET
CHARACTERS
CHARACTER DATA
A
JUMPER 1
JUMPER 2
B
JUMPER 3
JUMPER 4
C
JUMPER 5
JUMPER 6
Figure 7-7. Top Plane Assembly Removal
Figure 7-6. Display Enhancement PCA Jumper and
ROM Socket Locations
8. ()
Check and, if necessary, adjust power supply
(refer to "Power Supply Adjustment").
7. ()
Install Top Plane Connector Assembly, part no.
02640-60022 on Display Enhancement, DMA,
Display' Control, and Display Timing PCA
connectors.
data communications PCA's should be
installed in one of the first three
Backplane Assembly connectors closest
to the power supply.
The Display Enhancement, DMA,
Display Control, and Display Timing
PCA's must always be installed as a
group in adjacent connectors. No
Backplane Assembly connectors can be
left vacant between any PCA's. In
addition, the Processor PCA must be
installed adjacent to the display PCA's
described previously.
6. () Install Display Enhancement PCA in Backplane
Assembly connector.
9. () Depress TEST key and observe last line of test
pattern for correct display enhancements. If
enhancements are correct skip to step 11. If
adjustment is necessary, perform step 10.
10. () Perform brightness, half bright, focus, and field
adjustments in accordance with the HP 2641A/
2645A/S Display Station Service Manual, part no.
02645-90003.
LARGE CHARACTER SOCKET
ROM 1-2031
I
I
SET 3
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rr====-..L;l
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DDD~
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~---"'--I
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64 UPPER CASE
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:
64 LOWER CASE
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CHARACTER
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CHARACTER
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SOCKETS
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SOCKETS
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NOTE peA SHOWN WITH
HP 13231A-201, -202, AND
·203 INSTALLED
TEST
@
123456
LL:J
;en
1J(j
IA I
SET
2
IBI
SET3
5. ( )
If
necessary, rearrange PCA's in Backplane As-
sembly so that an unused connector is available for
the Display Enhancement PCA adjacent to the
Display Memory Access (DMA), Display Control,
and Display Timing PCA's.
11. ()
Firmly grasp mainframe top cover in one hand
and release safety latch by pressing it inboard
with other hand. Then, using both hands,
carefully lower top cover to its closed position.
HP 13232 CABLE ASSEMBLIES
NOTE
PCA arrangement can be in any
configuration
with
the
following
exceptions. The Keyboard Interface and
The HP 13232 cable assemblies provide interface
connections between the terminal and modems, printers,
and computers. Table 7-2 below lists the particulars of
each cable.
7-8
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