IBM 6151 Manual

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IBM RT PC
6151
System Unit Hardware
Maintenance and Service
Personal Computer
Hardware Reference
Library

The following statement applies to this IBM product. The statement for other IBM products intended
for use with this product will appear in their accompanying manuals.
Federal Communications Commission (FCC) Statement
Warning: This equipment generates, uses, and can radiate radio frequency energy and if not
installed and used in accordance with the instructions manual, may cause interference to radio
communications. It has been tested and found to comply with the limits for a Class A computing
device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable
protection against such interference when operated in a commercial environment. Operation of this
equipment in a residential area is likely to cause interference in which case the user at his own
expense will be required to take whatever measures may be required to correct the interference.
Instructions to User: Properly shielded and grounded cables and connectors must be used for
connection to peripherals in order to meet FCC emission limits. Proper cables are available from
IBM authorized dealers. IBM is not responsible for any radio or television interference caused by
using other than recommended cables or by unauthorized modifications to this equipment. It is the
responsibility of the user to correct such interference.
CAUTION:
This product is equipped with a 3-wire power cord and plug for the user's safety. Use this
power cord in conjunction with a properly grounded electrical outlet to avoid electrical
shock.
Third Edition June 1988
This is a major revision of the second edition of the IBM RT PC 6151 System Unit Hardware Maintenance and Service manual
dated September 1986. This manual incorporates all maintenance information for the IBM 6151 up to the date of this edition.
Changes are made periodically to the information herein; these changes will be incorporated in new editions of this publication.
References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in
all countries in which IBM operates. Any reference to an IBM licensed products in this publication is not intended to state or
imply that only IBM's licensed product may be used. Any functionally equivalent program may be used instead.
International Business Machines Corporation provides this manual Has is," without a warranty of any kind, either
expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a
particular purpose. IBM may make improvements and/or changes in the product(s) and/or the program(s) described
in this manual at any time.
Products are not stocked at the address given below. Requests for copies of this product and for technical information about
the system should be made to your IBM authorized RT Personal Computer dealer.
A reader's comment form is provided at the back of this publication. If the form has been removed, address comments to IBM
Corporation, Department 998, 11400 Burnet Road, Austin, Texas 78758. IBM may use or distribute whatever information you
supply in any way it believes appropriate without incurring any obligation to you.
IBM is a registered trademark of International Business Machines Corporation.
RT PC is a registered trademark of International Business Machines Corporation.
© Copyright International Business Machines Corporation 1985, 1986, 1988. All rights reserved.

Safety
This manual contains a "Safety Inspection Guide" on the following
pages. The Safety Inspection Guide is used by the IBM Service
Representative.
The IBM 6151 System Unit contains no hazardous voltages or
safety grounds outside the power supply. The power supply is a
sealed unit and is not field serviceable.
This manual contains DANGER notices on pages 4-24 and 4-25.
The following pages contain translations of the DANGER notices
and the following caution notice.
CAUTION
Before removing any cover or disconnecting any signal
cable, set the power switches on the system unit and all
attached devices to Off; then unplug all external power
cables from the outlets.
(6/88) Safety iii

Safety Translations
DANISH
Section 4
IBM RT PC Udskiftning og erstatning af batterier -FARE. Fare for brand, eksplosion
og forbranding. Batteriet me ikke genoplades, skilles ad, udsattes for temperaturer over
100 grader; der me ikke loddes direkte pe e1ementet, e1ementet me ikke forbrandes eller
komme iforbindelse med vand.
Hold batteriet yak fra born. Me kun udskiftes med IBM reservedel nr. 6299201 eller et
batteri, der anbefales af Underwriters Laboratories, Inc. til brug iIBM 6151, og som er
klassificeret derfra. Brug
af et andet batteri kan medfore brandeller ekplosionsfare.
iv Service Manual

DUTCH
Waarschuwing
Schakel
de systeemeenheid en aile randapparatuur uit en haal de netspanningsstekkersvan de
systeemeenheid en van aile randapparatuur uit de stopcontacten, voordat ueen kap opent of
een signaalkabelloshaalt.
Section 4
"Verwijdering en vervanging van IBM RT PC - batterijen - LET OP! Gevaar voor
brand, ontploffing en ernstige brandwonden. Laad de batterijen niet opnieuw op, haa! ze
niet uit elkaar, verhit ze niet boven 100&degr.C, verbrand ze niet, stel de inhoud van de
batterij niet
bloot aan water en soldeer niets aan de batterijcel vast.
Houd de batterijen uit de buurt van kinderen. Gebruik bij vervanging IBM-batterijen
bestelnummer 6299201 of batterijen die speciaal voor gebruik met de IBM 6151 zijn
goedgekeurd
door de Underwriters Laboratoires Inc. en waarop dat ook staat
aangegeven. Als u andere batterijen gebruikt loopt uhet risico dat er brand ontstaat of
dat zich een ontploffing voordoet'.'
(6/88) Safety v

FINNISH
Huomlo
Ennen minkaan yhteyskaapelin tai kannen irroittamista. katkaise villa sySleemiyksikOsta ja
kaikista siihen Iiitetyista laitteista; irroita sitten kaikki ver1<kojohdot pistorasioistaan.
Sivu 4-24
IBM RT PC:n pariston poisto ja vaihto -VAARA
Tulipalon, rajahdyksen
ja vakavien palovammojen vaara. Ala lataa paristoa uudelleen,
pura sita, kuumenna sitalampotilaan yli 100odeg. C, juota paristoa kiinni, havita sita
polttmalla tai anna sen kastua. Pida paristo poissa lasten ulottuvilta. Vaihda kaytetyn
pariston tilaile vain paristo, jonka IBM-tilausnumero on 6299201 tai joka on hyvaksytty
kaytettavaksi IBM
6151 -koneen kansaa. Muunlaisten paristojen kaytto saattaa
aiheuttaa tulipalon tai rajahdyksen vaaran.
vi Service Manual

FRENCH
Attention!
Avant de retirer Ie carter de protection ou de debrancher les cAbles de signalisation:
Mettre en position hors tension tous les interrupteurs
de I'unite et des peripheriques.
-Debrancher tous les cordons d'aiimentation de leur prise murale.
Page 4-24, 4-25
Retrait et remplacement de la pile de I'IBM RT PC - DANGER -Tenir hors de portee
des cnfants.
Ne pas recharger,
demonter ou souder. Ne pas exposer la pile it une temperature
excedant 100 C. Ne pas la mettre au feu ni it ['cau.
Risques d'incendie,
d'explosion ou de brulure grave.
N'utiliser
sur l'IBM RT PC que les piles IBM Nr. 6299201 ou celles dont la classification
"pour IBM 6151" est clairement specifiee par des laboratoires agrees.
L'utilisation de toute autre pile presente un risque d'inccndie ou d'explosion.
(6/88) Safety vii

GERMAN ACHTUNG
Achtung
Vor dem Entfernen von Verkleidungen oderdem Trennen von Signalkabeln Netzschalter
der
Systemeinheit und aller angeschlossenen Gerate ausschalten. Dann aile Netzkabel aus den
Netzsteckdosen ziehen.
Seiten 4-24 nnd 4-25
Ausbau und Einbau der Batterie beim IBM RT PC -Gefahr.
Feuer-, Explosions- und Verbrennungsgefahr. Zelle nicht laden, zerrlegen, ueber
100
Grad Cerhitzen, keine Loetstelle direkt an der Zelle anbringen, Zelle nicht verbrennen
oder den Inhalt mit Wasser in Beruehrung bringen.
Kindersicher aufbewahren. Als Ersatz ausschliesslich IBM
Original-Batterien verwenden.
Bei Verwendung
anderer Batterien besteht Feuer- und Explosionsgefahr.
viii Service Manual

ITALIAN
Attenzlone
Prima di togliere qualsiasi coperchio 0scollegare qualsiasi cavo di segnale, spegnere gli
interruttori di alimentazione dell'unitadi sistema edi tutti idispositivi collegati; scollegare poi
dalle prese di corrente tutti icavi di alimentazione estemi.
pagg. 4-24 e4-25
Rimozione esostituzione della batteria del PC RT IBM - PERICOLO.
Rischio di gravi ustioni, esplosione ed incendio. Non caricare, disassemblare 0riscaldare
ad una temperatura superiore ai 100 gradi, non effettuare saldature direttamente
sull'elemento, incenerire 0metterne il contenuto adiretto contatto con l'acqua. Tenere
lontano dalla
portata dei bambini. Usare un ricambio IBM (numero parte 6299201),
oppure
una batteria specificatamente consigliata dalla Underwriters Laboratories, Inc.
per il 6151 IBM everificare che tale classificazione sia espressamente indicata. L'utilizzo
di
una qualsiasi altra batteria pun rappresentare un rischio di incendio 0esplosione.
(6/88) Safety ix

JAPANESE
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x Service Manual