IBM 3270 User manual

Option Instructions
All Points Addressable Adapter
for
--...- -
----
- - ----
---
- -. ---
--- ----
-----
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3270
Personal
Computer
This carton contains the following:
• The All Points Addressable Adapter
• One Top Card Connector
If any items are missing or damaged, notify your IBM
representative.
6322657

First Edition (January 1984)
References in this publication
to IBM products, programs, or services do not imply that
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©Copyright International Business Machines Corporation 1984

Contents
Installation Requirement
Tool Required I
Installation Instructions 2
iii

iv

Installation Requirement
The IBM All Points Addressable Adapter, hereafter referred
to as the AP A A dapfer, can be installed only in the IBM
3270 Personal Computer system unit.
Tool Required
Medium-sized, flat-blade screwdriver
Optional:
• 3/ l6-inch nut driver
• 1/4-inch nutdriver
APA Adapter 1

Installation Instructions
1. Set the On/Off (I/O) switch on the system unit (and on
the color display, if attached) to the Off position (0).
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2. If you have a printer (or any other externally attached
device), set the On/Off switch(es) to Off.
3. Unplug the system unit power cord from the power out-
let. (If you have the 3270 color display, unplug its power
cord also.)
APA Adapter 2
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4. Move your keyboard and all external options away from
the work area.
5. Position the system unit to allow access to the rear.
6. Using a flat-blade screwdriver or a 1/4-inch nutdriver,
remove the cover mounting screws by turning them
counterclockwise as shown in the figure below. Save
the screws for the installation
of the cover.
Cover Mounting Screws
(These three screws may not be
present
on your system unit)
APA Adapter 3

7. Carefully slide the unit cover away from the rear and to
the front as indicated in the figure below. When the
cover will go no further, tilt it up, remove it from the
base, and set it aside.
AP A Adapter 4

8. Look at the back of the system unit and locate the dis-
play card.
The display card retaining bracket is stamped
for ease
of identification (see below).
9. Look at the inside of your unit. The APA Adapter must
be installed in a long slot directly adjacent
to the display
card.
APA Adapter 5

10.Using a flat-blade screwdriver or a 3/ 16-inch nutdriver,
remove
the screw that holds the expansion slot cover in
place by turning the screw counterclockwise. Save the
screw for the installation
of the adapter card.
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DD B
AP A Adapter 6