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Hand Held Products 71 User Manual

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INSTRUCTION
MANUAL
Hand
Held
Products,
Inc.
P.O. Box 2388,
Charlotte,
N.C.28211
Telephone
(704)
541-1380
Volume
Discounts
Available
TWX 810-621-0380
PROTECH
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Hand Held Products 71 Specifications

General IconGeneral
BrandHand Held Products
Model71
CategoryStorage
LanguageEnglish

Summary

Introduction to 71 Memory Module

Memory Module Configurations

Details available RAM, EPROM, and combined memory configurations for the HP-71 computer.

Installing the 71 Memory Module

Installation Steps

Step-by-step guide for physically inserting the memory module into the HP-71 computer.

Important Installation Notes

Key precautions and tips to ensure successful and safe installation of the memory module.

Removing the 71 Memory Module

Removal Procedure

Instructions for safely detaching the memory module from the HP-71 computer.

Using the 71 Memory Module

Main Memory Operation

How to utilize added RAM as primary memory in the HP-71, including verification.

Independent Memory Operation

Configuring and accessing expanded RAM in separate memory partitions on the HP-71.

71 M/M's Battery Back-Up

Self-contained Lithium Battery

Details the internal battery for memory retention when the module is freeported.

Battery Life and Maintenance

Information on expected battery life and proper care for optimal performance.

71 M/M's EPROM Carrier Versions

Opening the EPROM Carrier Case

Instructions on how to safely open the plastic case of the EPROM carrier.

Installing the EPROM

Guide for inserting EPROM chips into the carrier and setting jumpers for capacity.

EPROM Installation and Carrier Seating

Correctly positioning the EPROM and seating the module for optimal connection.

Addressing the EPROM Memory

Explanation of how the EPROM memory is accessed and addressed within the HP-71.

Case Cover Usage

Importance of using the snap-on cover for protection against ESD and battery life extension.