Soc General Address Conversion - Prime Computer 50 Series Service Manual

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Prime Proprietary
Installation
SYSTEM
BULKHEAD
CONTROLLER |
]
'
Hi
153
TO STANO ALONE
CBL6364-901
50
6445
DEVICE BULKHEAD
#2
50
(LINE PRINTER
DEVICE FLOR #3)
yu
lt
7
#1
52
CBL6473-90!
35
6474
TO CARD READER
#2
ly89
(DEVICE £10R # 2)
Lj
e
4
4
fl
CBL6364-901
54
644
TO STAND ALONE
PS
5
DEVICE BULKHEAD
#2
ls92
(LINE PRINTER
|
DEVICE #2 OR #4)
a
CSD-585
FIGURE 2-36:
URC BULKHEAD CABLING
2.8.10.7 System Option
Controller
(SOC)
Configuration
and_
Address
Convers ion
The
SOC
controller
is
only
used
if
the, system
includes'
an
electrostatic printer/plotter (SOC model 3009) or a paper tape
device
(SOC
model 3006).
Each SOC can support only these devices and cannot
be used with any
other
peripherals.
SOC
replacement
and
address
conversion procedures are provided below.
When
replacing a SOC, change the header dips on the replacement board
to match the ones on the original board.
2.8.10.7.: SOC General Address Conversion
When the SOC is installed in a system with a VCP, two addresses on the
SOC board must be modified to allow the system to recognize the VCP as
the interface
for
the
system
console.
This
is
accomplished
by
changing
the
SOC
device
address '04 to '71 and the Real-Time Clock
(RTC) address '20 to '70.
Changing
the
RIC
address
disables
the
Real-Time Clock.
2
-
59
070-C

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