Service Manuals, User Guides, Schematic Diagrams or docs for : HP 9000_cio 27112-60001_27112A_GPIO_Installation_Dec82
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FIR1l HEWLETT
a:~ PACKARD
HP 27112A
GENERAL PURPOSE 1/0 INTERFACE (GPIO)
Installation Manual
Card Assembly: 27112-60001
Date Code: B-2232
Manual Part Number 27112-90001
PRINTING HISTORY
First Edition .............. December 1982
NOTICE
The information contained in this document is subject to change without
notice.
HEWLETT-PACKARD MAKES UO WARRANTY OF ANY KIND WITH
REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANT ABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable
for errors contained herein or for incidental or consequential damages in con-
nection with the furnishing, performance, or use of this manual.
This document contains proprietary information which is protected by
copyright. All rights are reserved. No part of this document may be
photocopied or reproduced without the pri9f written consent of
Hewlett-Packard Company.
Copyright (c) 1982 by HEWLETT-PACKARD COMPANY
ThIS manual provides information for you to install and verify correct operation of the HP
27112A General Purpose I/O Interface (GPIO) card. You will also need the appropriate computer
system installation manual. These two manuals should provide all the required information. If
your installation is such that you need additional information concerning the GPIO card, order
the HP 27132A Technical Reference Package from the nearest Hewlett-Packard Sales and
Service Office.
Installation and Checkout
To install and check the operation of the GPIO card, follow the steps below in the order given:
1. Determine if your computer system can supply the power needed for the GPIO card.
Refer to table 1 for power requirements.
2. Install jumpers in WI, W 2, and W 3, depending on whether 5 -volt or 12 -volt logic levels are to be
used. The locations of WI, W2, and W3, and the positions of the jumpers for +5-volt or +12-volt
operation are shown in figure 1.
3. Set the card's switches for proper operation in your system. Refer to tables 2, 3, and 4 for switch
information. Actual switch settings will vary according to the computer system and the device
which is connected to the GPIO card. However, switch settings for the HP 9885 disc drive (a typi-
cal device used with the GPIO) are shown below:
DEVICE SW1 SW2
1 2 3 4 5 6 7 8 1 2 3 4 5
HP 9885 Disk Drive C C C C C C 0 C 0 0 0 C 0
o == open
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