IBM Series 1 User Manual page 11

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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
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