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Printer Adapter Data Flow - IBM 5103 Maintenance Information Manual

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Printer Adapter Data Flow

System

Machine Check

Device Address

Bus Out

Command Bus

*--

I-

I

1

,

I

I

I

I

I

I

I

I

I

I

I

...

.....

....

Bus

Checking

DA5

(printer

select)

J

Printer Adapter

......

.....

ROS

Address

Register

-

ROS

Wire Image

Character

Sets

Print

Wire

Select

Set Print Fire

Timet

I ....

......

I

I

I

I

Printer

Print

Wire

Magnets

II

- - - -

Forms and

I....

Forms and

Command

Print

. . . . . . ~1111.~ Print Motor

I

Decode

Controls

I.....

Predrivers

I

I

I

1

I

I -

Interrupts

~

,

I

I

~

•

Print Emitter

~

I

• Not Ready

....,.....

I

• _______

.~

.....

1.1 msor3.3ms,J.w_ ......

~

...

I

Interrupt Request 2 --"-...

...

or 1.1 ms or

..

.....

Status

~

-----~---

..... II----------

2.66 ms Timers

Register

I

I

~-------

I

_B.u.s.ln . . . . . . . .

~I~~

........................................

~~.............

I

I . . . . . .

I

3-26

•

Print

Emitters

Forms

Emitter

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