Manuale d’uso / di manutenzione del prodotto 40919LO del fabbricante LSI
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® DB15-000182-01 2 Gbit/s Fibre Channel to PCI Host Adapters USER’S GUIDE Marc h 2002 V ersion 2.0.
ii V er . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Electroma gnetic Compatibility Notices This device complies with P art 15 of the FCC Rules. Operation is subject to the follo wing two conditions: 1. This device ma y not cause harmful interference , and 2.
iii V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. This document contains proprietar y information of LSI Logic Cor poration. The inf or mation contained herein is not to be used by or disclosed to third par ties without the e xpress written per mission of an officer of LSI Logic Cor poration.
iv V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Document DB15-000182-01, Second Edition (March 2002) This document describes LSI Logic Cor poration’ s f amily of 2 Gb.
Pref ace v V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Preface This book is the primar y reference and user’ s guide for the LSI Logic f amily of 2 Gbit/s Fibre Channel to PCI Host Adapter boards.
vi Pref ace V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Related Publications LSIFC929 Dual Channel Fibre Channel I/O Processor T echnical Man ual, A ugust 2001 (LSI Or.
2 Gbit/s Fibre Channel to PCI Host Adapters vii Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Contents Chapter 1 Installing the 2 Gbit/s Host Adapters 1.1 General Description 1-1 1.2 Obtaining Windows NT/Windo ws 2000 Drivers 1-2 1.
viii Contents Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. 2.6.3 LSI40919LO Host Adapter Configuration 2-10 2.6.4 LSI40919LO Connector and Indicator LED 2-11 2.6.5 LSI40919H Host Adapter Configuration 2-12 2.6.6 LSI40919H Connector 2-13 2.
Contents ix Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. 4.3 Star ting the Intel BIOS Configuration Utility 4-3 4.4 Using the Intel BIOS Configuration Utility 4-3 4.5 Main Menu 4-3 4.5.1 Adapter Proper ties Menu 4-4 4.5.
x Contents Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. 2.10 LSI44929O Connectors and Indicator LEDs 2-17 2.11 LSI44929LO Host Adapter Configuration 2-18 2.12 LSI44929LO Connectors and Indicator LEDs 2-19 2.13 LSI44929H Host Adapter Configuration 2-20 2.
2 Gbit/s Fibre Channel to PCI Host Adapters 1-1 Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 1 Installing the 2 Gbit/s Host Adapter s This chapter contains general inf ormation about the LSI Logic family of 2 Gbit/s Fibre Channel (FC) to PCI host adapters.
1-2 Installing the 2 Gbit/s Host Adapters Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. to PCI boards in PCI computer systems with either a standard or Low Profile PCI (LPPCI) brac ket type .
Detailed Installation Procedure 1-3 Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Figure 1.1 illustrates an e xample of this host adapter board. Also ref er to Chapter 2 to see more detailed drawings of the 2 Gbit/s host adapter boards.
1-4 Installing the 2 Gbit/s Host Adapters Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Step 2. Remov e the host adapter from the packaging and chec k that it is not damaged. Figure 1.1 illustrates an e xample of this host adapter board.
Detailed Installation Procedure 1-5 Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Figure 1.1 Hard ware Connections for the LSI Logic Host Adapter Step 7. Carefully inser t edge connector J1 (see Figure 1.1 ) of the host adapter into the PCI slot.
1-6 Installing the 2 Gbit/s Host Adapters Rev . 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved. Figure 1.2 Inserting the Host Adapter Step 8. Secure the board with the brac ket scre w (see Figure 1.2 ) bef ore making the e xter nal FC link connection.
2 Gbit/s Fibre Channel to PCI Host Adapters 2-1 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Chapter 2 2 Gbit/s Host Adapter Characteristics This chapter provides specific details about the ph ysical environment associated with the LSI Logic 2 Gbit/s Fibre Channel to PCI host adapters.
2-2 2 Gbit/s Host Adapter Character istics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. T able 2.1 lists the 2 Gbit/s Fibre Channel to PCI host adapters discussed in this user’ s guide.
F eatures 2-3 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Bef ore you use an y of this family of host adapters , make sure y our system meets the specific hardware and softw are requirements shown in T able 2.
2-4 2 Gbit/s Host Adapter Character istics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. – Complies with PCI Local Bus Specification, Re v . 2.2 – 3.3 V interf ace (5.0 V tolerant) • Serial EEPROM configuration storage • Card edge keyed a s a universal add-in card 2.
Ph ysical Environment 2-5 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.3.1 Electrical Characteristics T able 2.3 lists the maximum po wer requirements, and includes all of the LSI Logic 2 Gbit/s Fibre Channel to PCI host adapter boards, under nor mal operation.
2-6 2 Gbit/s Host Adapter Character istics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.3.3 Electroma gnetic Compliance These boards are designed and implemented to minimize electromagnetic emissions, susceptibility , and the effects of electromagnetic discharge.
IEEE Unique Address 2-7 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.4.2 The FC Interface The FC interf ace varies, depending on which specific LSI Logic 2 Gbit/s host adapter you ha v e selected. See Section 2.6 for more inf or mation.
2-8 2 Gbit/s Host Adapter Character istics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.1 LSI40919O Host Adapter Configuration The LSI Logic LSI40919O is a single-channel 2 Gbit/s Fibre Channel adapter . One LC optical connector is used for I/O , which is accessible through the module brac ket.
Ph ysical Characteristics 2-9 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.2 LSI40919O Connector and Indicator LED The LSI40919O I/O brac ket is configured as sho wn in Figure 2.2 . One LC connector is used to connect the adapter channel to the Fibre Channel subsystem.
2-10 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.3 LSI40919LO Host Adapter Configuration The LSI Logic LSI40919LO is a single-channel 2 Gbit/s Fibre Channel adapter . One LC optical connector is used for I/O , which is accessible through the module brac ket.
Ph ysical Characteristics 2-11 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.4 LSI40919LO Connector and Indicator LED The LSI40919LO I/O brac ket is configured as sho wn in Figure 2.4 . One LC connector is used to connect the adapter channel to the Fibre Channel subsystem.
2-12 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.5 LSI40919H Host Adapter Configuration The LSI Logic LSI40919H is a single-channel 2 Gbit/s Fibre Channel adapter . One HSSDC connector is used for I/O , which is accessible through the module brac ket.
Ph ysical Characteristics 2-13 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.6 LSI40919H Connector The LSI40919H I/O brac ket is configured as sho wn in Figure 2.6 . One HSSDC connector is used to connect the adapter channel to the Fibre Channel subsystem.
2-14 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.7 LSI40919LH Host Adapter Configuration The LSI Logic LSI40919LH is a single-channel 2 Gbit/s Fibre Channel adapter . One HSSDC connector is used for I/O , which is accessible through the module brac ket.
Ph ysical Characteristics 2-15 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.8 LSI40919LH Connector The LSI40919LH I/O brac ket is configured as sho wn in Figure 2.8 . One HSSDC connector is used to connect the adapter channel to the Fibre Channel subsystem.
2-16 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.9 LSI44929O Host Adapter Configuration The LSI Logic LSI44929O is a dual-channel 2 Gbit/s Fibre Channel adapter . T wo LC optical connectors are used f or I/O, which are accessible through the module br ack et.
Ph ysical Characteristics 2-17 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.10 LSI44929O Connector and Indicator LED The LSI44929O I/O brac ket is configured as sho wn in Figure 2.10 .T w o LC connectors are used to connect the adapter channel to the Fibre Channel subsystem.
2-18 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.11 LSI44929LO Host Adapter Configuration The LSI Logic LSI44929LO is a dual-channel 2 Gbit/s Fibre Channel adapter . T wo LC optical connectors are used f or I/O, which are accessible through the module br ack et.
Ph ysical Characteristics 2-19 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.12 LSI44929LO Connector and Indicator LED The LSI44929LO I/O brac ket is configured as sho wn in Figure 2.12 .T w o LC connectors are used to connect the adapter channel to the Fibre Channel subsystem.
2-20 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.13 LSI44929H Host Adapter Configuration The LSI Logic LSI44929H is a dual-channel 2 Gbit/s Fibre Channel adapter . T wo HSSDC connectors are used f or I/O, which are accessib le through the module brac ket.
Ph ysical Characteristics 2-21 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.14 LSI44929H Connectors The LSI44929H I/O brac ket is configured as sho wn in Figure 2.14 .T w o HSSDC connectors are used to connect the adapter channel to the Fibre Channel subsystem.
2-22 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.15 LSI44929LH Host Adapter Configuration The LSI Logic LSI44929LH is a dual-channel 2 Gbit/s Fibre Channel adapter . T wo HSSDC connectors are used f or I/O, which are accessib le through the module brac ket.
Ph ysical Characteristics 2-23 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.16 LSI44929LH Connectors The LSI44929LH I/O brac ket is configured as sho wn in Figure 2.16 .T w o HSSDC connectors are used to connect the adapter channel to the Fibre Channel subsystem.
2-24 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.17 ITI7004G2-LC Host Adapter Configuration The LSI Logic ITI7004G2-LC is a quad-channel 2 Gbit/s Fibre Channel adapter . Four LC optical connectors are used f or I/O , which are accessible through the module br ack et.
Ph ysical Characteristics 2-25 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 2.6.18 ITI7004G2-LC Connector and Indicator LED The ITI7004G2-LC I/O brac ket is configured as sho wn in Figure 2.18 . F our LC connectors are used to connect the adapter channel to the Fibre Channel subsystem.
2-26 2 Gbit/s Host Adapter Characteristics V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved..
2 Gbit/s Fibre Channel to PCI Host Adapters 3-1 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Chapter 3 Firmware Installation Pr ocedure This chapter provides inf or mation about installing and configur ing Fibre Channel fir mware and includes these topics: • Section 3.
3-2 Fir mware Installation Procedure V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 3.2.1 Features The Fibre Channel firmware for the LSI Logic Fibre Channel chips suppo.
Installing the Firmware 3-3 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. manages all link e xceptions, which serves to isolate the host driver from Fibre Channel unique e xceptions.
3-4 Fir mware Installation Procedure V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 3.4 Configuring the Firmware The LSI Logic fir mware suppor ts se ver al configuration options, defined individually below . All options may be configured using the FCUTIL utility menu, as described in Section 3.
Configuring the Fir mware 3-5 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. k - Change Port 1 Board Speed to Auto Step 3. Exit the FCUTIL utility using the menu option q - Quit . 3.4.2 Interrupt Coalescing These host adapters hav e the ability to complete multiple I/O requests per host interrupt.
3-6 Fir mware Installation Procedure V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. The Coalescing Timeout value determines how long the host adapter waits bef ore generating an interr upt, when less than Coalescing Depth I/O requests are present.
T roub leshooting 3-7 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 3.5 T roubleshooting Some potential problems and their suggested solutions are: The Firmware and BIOS revisions typicall y need to be in sync for proper operation.
3-8 Fir mware Installation Procedure V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved..
2 Gbit/s Fibre Channel to PCI Host Adapters 4-1 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Chapter 4 BIOS Features This chapter describes the Fibre Channel BIOS and Configuration Utility and includes these topics: • Section 4.
4-2 BIOS Features V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 4.2 Intel BIOS This section provides the f eatures, description, and installation of the Intel Fibre Channel BIOS.
Star ting the Intel BIOS Configuration Utility 4-3 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 4.3 Star ting the Intel BIOS Configuration Utility The LSI Logic Intel BIOS allows y ou to change the def ault configuration of your host adapters , using the embedded BIOS Configuration Utility .
4-4 BIOS Features V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. attached de vices). After selecting an adapter and pressing Enter , the FC Link bus is scanned and the Adapter Properties screen appears. On the Main menu, two selections are the Boot Adapter List and Global Proper ties menus.
Main Menu 4-5 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Ne xt P age and Pre vious P age options are provided on the persistent ID screens, through the F2 k ey , which moves the screen f orward or back b y 16 entries.
4-6 BIOS Features V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 4.5.5 Global Properties Menu The Global Proper ties menu allows y ou to pause if an aler t message has been displa yed, to vie w displa y boot information, and to set displa y and video modes.
Open Boot BIOS 4-7 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. These messages ma y appear during the boot process: • Adapter removed from boot order, parameters will be updated accordingly! appears when an adapter is remov ed from the system or is relocated behind a PCI bridge.
4-8 BIOS Features V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 4.8.2 Identifying the Fibre Channel Disks The probe-scsi-all command is used to identify the Fibre Channel de vices on your Fusion-MPT adapter . T o show all disks av ailable from the openboot prompt, use the probe- scsi-all command.
Open Boot BIOS 4-9 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Target 6 Unit 0 Removable Read Only device PLEXTOR CD-ROM PX-20TS If the Fibre Channel de vices on your .
4-10 BIOS F eatures V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. /pci@8,700000/IntraServer,fc@2/disk /pci@8,700000/IntraServer,fc@2/tape /pci@8,700000/IntraServer,fc@1,.
Open Boot BIOS 4-11 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 4.8.4.1 select Use the select openboot command to select the adapter entr y . This opens the por t to br ing the por t online. ok select /pci@8,700000/IntraServer,fc@1 4.
4-12 BIOS F eatures V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. 4.8.4.3 show-children While you ha v e the adapter or por t selected, to display the de vices currently connected to this adapter , use the show-children command, as shown belo w .
Open Boot BIOS 4-13 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. timeout of 1280 (0x500) microseconds. What this means is that the host is interrupted only once for 9 I/Os processed b y the chip , unless 1280 microseconds has passed since the host was last interrupted.
4-14 BIOS F eatures V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Select the por t or adapter shown (use the port name your system assigns) : ok select /pci@8,700000/Int.
Open Boot BIOS 4-15 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. d) /pci@1f,0/pci@1,1/ide@3/disk e) /pci@1f,0/pci@1,1/ebus@1/fdthree@14,3203f0 q) NO SELECTION Enter Selection, q to quit: a /pci@1f,0/pci@1/IntraServer,fc@2/disk has been selected.
4-16 BIOS F eatures V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. change from auto detect of topology , and that firmware version 1.00.03 is the minimum re vision to suppor t this functionality . The f ollowing is an e xample of how to select a man ual topology N_P or t or NL_P or t on a selected Fibre Channel por t.
Open Boot BIOS 4-17 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. ok 2 set-topology Topology selected is N_Port Topology has been set Change will take effect after syste.
4-18 BIOS F eatures V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved..
2 Gbit/s Fibre Channel to PCI Host Adapters A-1 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Appendix A Glossary of T erms and Abbre viations 8B/10B A data encoding scheme de veloped b y IBM, translating b yte wide data to an encoded 10-bit f or mat.
A-2 Glossar y of T erms and Abbre viations V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Configuration Ref ers to the wa y a computer is set up; the combined hardware c.
Glossar y of T erms and Abbre viations A-3 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. FC-1 Middle le vel of the FC-PH standard, defining the 8B/10B encoding/decoding and transmission protocol.
A-4 Glossar y of T erms and Abbre viations V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. HIPPI High P erformance P arallel Interf ace, an 800 Mbits/s interf ace to supercomputer networks (formerly known as high speed channel) de veloped b y ANSI.
Glossar y of T erms and Abbre viations A-5 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. NL_P ort An N_P or t that contains arbitrated loop functions. Operating System A program that organiz es the inter nal activities of the computer and its peripheral devices .
A-6 Glossar y of T erms and Abbre viations V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. CPU . Inf or mation can be written to and read from RAM. The contents of RAM are lost when the computer is tur ned off . Responder A FC ter m ref erring to the answering de vice.
Glossar y of T erms and Abbre viations A-7 V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. data transf er . Synchronous data transf ers are negotiated between the SCSI host adapter and each SCSI de vice. System BIOS Controls the low le vel POST (P ower-On Self-T est), and basic operation of the CPU and computer system.
A-8 Glossar y of T erms and Abbre viations V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved..
2 Gbit/s Fibre Channel to PCI Host Adapters V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Customer Feedbac k W e would appreciate your f eedback on this document. Please cop y the f ollowing page, add y our comments, and fax it to us at the n umber shown.
Customer F eedback V er. 2.0 Copyright © 2002 b y LSI Logic Cor poration. All rights reserved. Reader’ s Comments F ax your comments to: LSI Logic Cor poration T echnical Publications M/S E-198 F ax: 408.433.4333 Please tell us how y ou rate this document: 2 Gbit/s Fibre Channel to PCI Host Adapters User’ s Guide.
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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il LSI 40919LO è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del LSI 40919LO - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LSI 40919LO imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LSI 40919LO ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LSI 40919LO, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del LSI 40919LO.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LSI 40919LO. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LSI 40919LO insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
