~!lgJ2!:~~
.Q.!.
~"y§!Q'!~.I Qi~§st. prQgJ;~,! ~.Q!!trol Aggj2:.t~!: 19at.YJ;~.
The introduction to
this
chapter
describes
the
customer
direct
proqram
centrol
adapter
feature.
A
block diagram
shows the data flov from the processor I/O
channel
through
the direct proqram control adapter to the user's devices.
The remaining sections of this chapter provide:
•
Detailed information about the signal lines.
•
Operational
characteristics--this
section
consists of
tiainq charts
and
descriptive
text
for
the
various
siqnal sequences.
Special timing requirements are shown
on the charts.
Timing
charts
arE
included
for:
an
output
sequence,
an
Lnpu
t
sequence, and an interrupt
service sequence.
•
Electrical
characteristics--this
provides
driver
and
receiver
specifications
for
attaching
the
user's
device(s).
•
Physical
characteristics--this
section
provides
connector information and signal pin assignments at
(1)
the
connectors
for
the
adapter
feature
and (2) the
connectors for the customer access panel feature.
PREREQUISITE PUBLICATIONS
•
IBK Ser ies/l
Model
3:
4953
Processor
and
Processor
Features Description, GA34-0021
.
.
• or
•
IBM
Series/l
Model
5:
4955
Processor
and
Processor
Features Description, GA34-0022
•
IBM Series/1: Customer Direct
Program
Control
Adapter
Feature Description, GA34-0031
BELATED PUBLICATIONS
•
IBM Series/l Physical Planning Manual, GA34-0029
•
IBM Series/1 Coniiqurator, GA34-0042
!21~.
Installation instructions are shipped with each system
order.
These instructions contain the information required
for selectinq
options
and
device
addresses
on
the
I/O
attachment feature cards.
x
GA34-0033
(
~
"
.t
#
,