HP Model 712/100 - Workstation Manuale utente

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Service Handbook

Model 712 Workstations

HP Part Number. A2615–90039

Hewlett–Packard Company

3404 East Harmony Road, Fort Collins, CO. 80525

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

The information contained in this document is subject to change without notice.

HEWLETT–PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MANUAL, IN-

CLUDING, 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 direct,

indirect, special, incidental, or consequential damages in connection with the furnishing, performance, or

use of this material.

A copy of the specific warranty terms applicable to your Hewlett–Packard product and replacement parts

can be obtained from your local Sales and Service Office.



CopyrightEHewlett–Packard Company 1995

This document contains information which is protected by copyright. All rights are reserved. Reproduction, adapta-

tion, or translation without prior written permission is prohibited, except as allowed under the copyright laws.

Restricted Right Legend

Use, duplication, or disclosure by the U.S. Government Department of Defense is subject to restrictions as set forth

in paragraph (b)(3)(ii) of the Rights in Technical Data and Software clause in FAR 52.227–7013.

CopyrightEAT & T, Inc. 1980, 1984

CopyrightEThe Regents of the University of California 1979, 1980, 1983

This software and documentation is based in part on the Fourth Berkeley Software Distribution under licence from

the Regents of the University of California.

iii

Printing History

New Editions of this manual incorporate all material updated since the previous edi-

tion. Update packages may be issued between editions and contain replacement and

additional pages to be merged into the manual by the user.

The manual printing date and part number indicate its current edition. The printing

date changes when a new edition is printed. (Minor corrections and updates which

are incorporated at reprint do not cause the date to change.) The manual part number

changes when extensive technical changes are incorporated.

September 1993 Edition 1

December 1993 Edition 2

June 1995 Edition 3

Emissions Regulations

Federal Communications Commission (FCC)

The Federal Communications Commission of the U.S. government regulates the ra-

dio frequency energy emanated by computing devices through published regulations.

These regulations specify the limits of radio frequency emission to protect radio and

television reception. All HP Apollo nodes and peripherals have been tested and com-

ply with these limits. The FCC regulations also require that computing devices used

in the U.S. display the agency’s label and that the related documentation include the

following statement:

NOTICE: This equipment has been tested and found to comply

with the limits for a Class A digital device, pursuant

to part 15 of the FCC rules. These limits are designed

to provide reasonable protection against harmful in-

terference when the equipment is operated in a com-

mercial environment. This equipment generates, uses,

and can radiate radio frequency energy and, if not

installed and used in accordance with the instruction

manual, may cause harmful interference to radio

communications. Operation of this equipment in a

residential area is likely to cause harmful interference

in which case the user will be required to correct the

interference at his own expense.

Compliance to these regulations requires the use of shielded cables.

Canadian Department of Communications (DOC)

This digital apparatus does not exceed the Class A limits for radio noise emissions

from digital apparatus as set out in the Radio Interference Requirements of the Cana-

dian Department of Communications.

Compliance to these regulations requires the use of shielded cables.

VCCI Class 1 ITE

Emissions Regulations Compliance

Any third–party I/O device installed in HP Apollo system(s) must be in accordance

with the requirements set forth in the preceding Emissions Regulations statements. In

the event that a third–party noncompliant I/O device is installed, the customer as-

sumes all responsibility and liability arising therefrom.

Compliance to these regulations requires the use of shielded cables.

Electrostatic Discharge (ESD) Precautions

Electrostatic charges can damage the integrated circuits on printed circuit boards. To

prevent such damage from occurring, observe the following precautions when un-

packing and installing the board.

DStand on a static–free mat.

DWear a static strap to ensure that any accumulated electrostatic charge dis-

charges from your body to ground.

DConnect all equipment together, including the static–free mat, static straps,

routing nodes, and peripheral units.

DKeep uninstalled printed circuit boards in their protective antistatic bags.

DOnce you have removed the printed circuit boards from their protective antis-

tatic bags, handle them by their edges.

Laser Safety Statement (For U.S.A. Only)

(For workstations that have a CD–ROM drive installed.)

The CD–ROM mass–storage system is certified as a Class–1 laser product under the

U.S. Department of Health and Human services (DHHS) Radiation Performance

Standard according to the Radiation Control for Health and Safety Act of 1968.

This means that the mass–storage system does not produce hazardous laser radiation.

Because laser light emitted inside the mass–storage system is completely confined

within protective housings and external covers, the laser beam cannot escape from

the machine during any phase of user operation.

LASERTURVALLISUUS

LUOKAN 1 LASERLAITE

KLASS 1 LASER APPARAT

HP A2655A CD–ROM–lukulaite sisältää laitteensisäisen CD–ROM–yksikön, joka

on laserlaite.

Kyseinen CD–ROM–yksikkö on käyttäjän kannalta turvallinen luokan 1 laserlaite.

Normaalissa käytössä yksikön suojakotelo estää lasersäteen pääsyn laitteen ulkopuo-

lelle.

CD–ROM–yksikön on tyyppihyväksynyt Suomessa laserturvallisuuden osalta

Työministeriön työsuojeluosasto. Laitteeen turvallisuusluokka on määritetty valtio-

neuvoston päätöksen N:o 472/1985 ja standardin SFS–EN 60825 (1992) mukaisesti.

Tiedot CD–ROM–yksikössä käytettävän laserdiodin säteilyominaisuuksista:

Aallonpituus 790 nm

Teho 1,1 µW

Luokan 1 laser

vii

IEC 825 Class 1 Laser Labels

CLASS 1 LASER PRODUCT

LASER KLASSE 1

viii

Warnings and Cautions

WARNING:

Removing device cover may expose sharp edges in equipment chassis. To avoid injury,

use care when installing customer add–on devices.

WARNUNG:

Das Entfernen der Geräteabdeckung legt die scharfen Kanten im Inneren des Gerätes

frei. Um Verietzungen zu vermeiden, seien Sie vorsichtig beim Einbau von zusätzlichen

Bauteilen, die vom Kunden selber eingebaut werden können.

AVERTISSEMENT:

Des bords tranchants du châssis de l’équipement peuvent être exposés quand le cache de

l’unité n’est pas en place. Pour éviter des blessures, faire très attention lors de

l’installation de modules supplémentaires par le client.

WARNING:

Disconnect power plug from wall outlet or source power before moving or removing the

device, or installing add–on components.

WARNUNG:

Entfernen Sie die Stromzuführung von der Steckdose oder der Stromquelle bevor Sie das

Gerät bewegen, abbauen, oder zusätzliche Bauteile installieren.

AVERTISSEMENT:

Débrancher la fiche de la prise de courant ou de la source d’alimentation électrique avant

de déplacer ou de retirer l’unité, ou avant d’installer des modules supplémentaires.

Warnings and Cautions (Cont.)

CAUTION:

System power cord must be plugged into an accessible dedicated ac mains receptacle.

VORSICHT:

Das System–Netzanschlußkabel mußan eine zugängliche spezielle Wechselstrom–

Hauptzuführungssteckdose angeschlossen werden.

ATTENTION:

Le fil d’alimentation électrique du système doit être branché dans une prise de courant

c.a. spécialisée accessible.

WARNING:

Use only power supply Model ETYHP127MM with A2656A Tape Drive.

AVERTISSEMENT:

Utiliser seulement le bloc d’alimentation ETHYP127MM pour le dérouleur de bande

A2656A.

WARNING:

Use only power supply Model ETYHP127MM with A2657A Hard Disk Drive.

AVERTISSEMENT:

Utiliser seulement le bloc d’alimentation ETHYP127MM pour le disque dur A2657A.

WARNING:

Use only power supply Model ETYHP127MM with A2655A CD–ROM Drive.

AVERTISSEMENT:

Utiliser seulement le bloc d’alimentation ETHYP127MM pour le lecteur de CD–ROM

A2655A.

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