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HP 13255
ROM (EA) MODULE

Manual Part No. 13255-91111
PRINTED
AUG-01-76




DATA TERMINAL
TECHNICAL INFORMATION




HEWLETTi:j PACKARD



Printed in U.S.A.
13255 13255-91111/02
ROM (t.A) Module Rev AUG-01-76




1.0 INTRODUCTION.
The ~OM (EA) Module contains space for up to 12K Of ROM for storing the
operating system firmware.

2.0 OPERATING PARAMETERS.
A summary of operating parameters for the ROM (EA) Module is contained
In tables 1.0 through 5.0.




Table 1.0 Physical Parameters
===-=================================================.===========================
part Size (L x W x D) Weight I
Number Nomenclature +1-0.100 Inches (Pounds) I
============= ===========:=c===========:==== ---_
_......... ... -
======================= ---_ ... _...... -


02640-60150 ROM (EA) PCA 12.5 x 4.0 x 0.5 0.44




======================================================================'========
Number of Backplane Slots Required: 1
======z================z=================:=====================:================
HP 13255
POM (EA) MODULE
Manual Part No. 13255-91111
PRINTED
AUG-01-76




NOTICE
'rhe information contained in this document is subject to change
'-i thout notice.
H~WLETT-PACKAHD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS
MATERIAL, .. INCLUDING, BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard
:Shall not be liable for errors contained herein or for incidental or
consequential damages In connection with the furnishing, performance,
or use of this material.
'rhls 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 prior written consent of Hewlett-
Packard Company.

----~-,----~-------------------------~----~----------- ---------------------------
Copyright c 1976 by HEWLETT-PACKARD COMPANY


NOTE: This document is part of the 264XX DATA TERMINAL product
series Technical Information Package (HP 13255).
13255 13255-91111/02
ROM (t.A) Module Rev AUG-Ol-76




1.0 INTRODUCTION.
The ROM (EA) Module contains space for up to 12K Of ROM for storing the
operating system firmware.

2.0 OPERATING PARAMETERS.
A summary of operating parameters for the ROM (EA) Module is contained
in tables 1.0 through 5.0.




Table 1.0 Physical Parameters
=====================================================.===========================
Size (L x W x D) Weight I
Nomenclature +1-0.100 Inches (Pounds) I
========z:==== =============================: ======================= -... - ... ... _... ---
- ... -_ --~----




02640-60150 ROM (EA) peA 12.5 x 4.0 x 0.5 0.44




==================================z====z=============================='========
Number of Baekplane Slots Required: 1
=====:z==================================:===================:==================
13255 13255-91111/03
ROM (EA) Module Rev AUG-Ol-76




Table 2.0 Reliability and Environmental Information

================================================================================

I:.nvironmental: ( X ) HP Class B ( ) Othe'r:

Restrictions: Type tested at product level


===========:===================================================================
Failure Rate: 1.169 (percent per 1000 hours)
================================================================================




Table 3.0 Power Supply and Clock Requirements - Measured
(At +1-5\ Unless Otnerwise Specified)

================================================================================
+5 Volt Supply +12 Volt Supply -12 Volt Supply -42 Volt Supply
, 200 mA I rnA ~ 150 mA I rnA
(with 6 ROMs (With 6 ROMS
loaded) NOT APPLICABLE loaded) NOT APPLICABLE
====================================== =======================================
115 volts ac 220 volts ac

A A

NOT APPLICABLE NOT APPLICABLE
==============================================================================
CloCk Frequency: 4.915 MHz +1-0.1%

================================================================================
13255 13255-91111/04
ROM (EA) Module Rev AUG-OI-76




Table 4.0 Jumper Definitions
========:===================z=========================:::::==::=::z:==::=::=:=::
Function
peA
Designation
-------------------------------------------------------------
In Out
================ ===============:============== ==============================

If all START ADDRESS
Jumpers are IN, then
START ADDR=O

START 16K Add 0 to START ADDR Add 16K to START ADDR
ADDR 32K Add 0 to START ADDR Add 32K to START ADDR
1_-




0- 2 0- 21< ROM Enabled 0- 21 2- 4 2- 41< ROM Enabled 2- 4K ROM DIsabled
ROM 4- 6 4- 6K ROM ~:nabled 4- 6K ROM Disabled
EN AtjLi:, 6- 8 6- 8f( ROM Enabled 6- 8K ROM nisabled
ROM 8-10 8-10K ROM Enabled 8-10K ROM DIsabled
10-12 10-12K ROM Enabled 10-12K ROM Disabled
1_-



=======:========================================================================
13255 1325~-91111/05
RUM (Jt::A) Module Rev AUG-01-76




5.0 Connector Information
=====:===============================:===========================================
C1onnector Signal Signal
anld Pin NO. Name Description
====:========== ==:==============:=============~==============
Pi, Pin '1 +5V +5 Volt Power Supply
-:2 GND Ground Common Return (Power and Signal)
-,3 SYS eLK 4.915 MHz System Clock