SOYOメーカーSY-5EHMの使用説明書/サービス説明書
ページ先へ移動 of 76
SY -5EHM/5EH5 V1.3 Super 7 Motherboard ************************************************ Pentium ® Class CPU supported ETEQ82C663 PCI/AGP Motherboard A T Form Factor ******************************.
NSTL “Y ear 2000 T est” Certification Let ter September 23, 1 998 T esting Date: September 23, 1998 Certification Date: September 23, 1998 Certification Number: NCY2000- 980923-004 T o Whom It May Concern: W e are please to inform you that the “SY -5EHM/5EH5” system has passed NSTL Y ear 2000 certification test program.
Declaration of Conformity According to 47 CFR, Part 2 and 15 of the FCC Rules Declaration No.: D872907 July .10 1998 The following designated product EQUIPMENT : Mai n Board MODEL NO.: SY -5EH Which is the Class B di gital device comp lies wi th 47 CFR Parts 2 and 15 of the FCC rules.
SOYO ™ SY -5EHM/5EH5 V1.3 i About This Guide This User's Guide is for assisting system manufacturers and end user s in setting up and inst alling the Motherboard. Information in this guide has been carefully c hecked for reliability; however , no guarantee is given as to the correctness of the contents.
T abl e of Content s SY -5EHM/5EH5 V1.3 ii T able of Content s SY -5EHM/5EH5 V1.3 MOTHERBOARD LA YO UT ............................... 1 CHAPTER 1 INTRODUCTION .................... .................... ................... 2 1-1 KEY FEA TUR ES ........
Motherbo ard Featu res SY -5EHM/5EH5 V1.3 1 SY -5EHM/5E H5 V1.3 Motherboard Layo ut SY -5EHM/5EH5 V1.3 Plat form Flash BIOS JP44 1 3 IR1 5 1 JP5 1 3 AGP Sl ot ISA Slo t #1 ISA Slo t # 2 ISA Sl ot #3 I.
Introduc tion SY -5EHM/5EH5 V1.3 2 Chapter 1 INTRODUCTION The SY -5EHM/5EH5 V1.3 AGP/PCI Motherboard is a high-performance A T fo rm-factor system board. SY -5EHM/5EH5 V1.3 uses the ETEQ82C663 AGP/ PCI Chipset technology and supports Pentium ® class proce ssors.
Introduc tion SY -5EHM/5EH5 V1.3 3 Supports 2 strips of 168- pin SDRAM unbef fured DIMM 2 x 168-pin DIMM ba nks supp ort 8 /16/ 3 2/64/128/256 MB unbuffered DIMM modules Support 2 strips of 72.
Introduc tion SY -5EHM/5EH5 V1.3 4 FDC 1 Flop py Disk Drive (FDD) Port (Support s 1.2MB/1.44MB/2.88MB and LS120/3-mode FDD) SIR 5-pin Serial Infrared Device Connector Keylock 5-pin Ke yLock Connector .
Introduc tion SY -5EHM/5EH5 V1.3 5 1-2 HANDLING THE MOTHERBOARD T o avoid damage t o yo ur Motherboard, follo w these simple rules while unpacking: Before handling the Motherboar d, ground yourself by grasping an unpainted portion of th e system's metal chassis.
Hard ware Setup SY -5EHM/5EH5 V1.3 6 Chapter 2 HARDW ARE SETUP Congratulations on your purc hase of SY -5EHM/5EH5 V1.3 Super 7 TM Motherboard. Y ou are about to install and co nnect your new Motherboard. Note: Do not unp ack the Mother board from it s protective anti-static packaging until yo u have made the following preparations.
Hard ware Setup SY -5EHM/5EH5 V1.3 7 2-2 Unp acking the Motherboard When unpacking the Mo therboard, check for the following items: The SY -5EHM/5EH5 V1.
Hard ware Setup SY -5EHM/5EH5 V1.3 8 2-3 Inst allation Guide We will now begin the installation of the Motherboar d. Please follow the step-by-step procedure designed to lead you to a complete and correct in stallat ion. Step 1. CPU Inst al lation Follow these instructions to install y our Pentium ® class pr ocessor correctl y .
Hard ware Setup SY -5EHM/5EH5 V1.3 9 Follow th ese steps to instal l the CPU in the Socket 7: 1. Lift the socket handle up to a vertical position. 2. Align the blunt edge of the CPU with th e matching pin-hole distinctive edge on the so cket. 3. Seat the processo r in t he socket comp letely and without forcing.
Hard ware Setup SY -5EHM/5EH5 V1.3 10 Step 3. CPU V olt age Setting (SW2,JP1) Please veri fy th e corr ect vo ltage wi th your dealer befo re installation.
Hard ware Setup SY -5EHM/5EH5 V1.3 11 CPU you are inst alling an d adjust the sett ings on SW2 accordingly . This motherboard support s CPU c ore voltages from 2.
Hard ware Setup SY -5EHM/5EH5 V1.3 12 Processor V olt age Setting V olt age V alue: SW2 JP1 Intel P54C - P100 Intel P54C - P133 Single V olt age V ORE :3.3V V I/O :3.3V Intel P54C - P166 Intel P54C - P200 Single V olt age V ORE :3.5V V I/O :3.5V Intel P55C - P166 Intel P55C - P200 Intel P55C - P233 Dual V olt age V ORE :2.
Hard ware Setup SY -5EHM/5EH5 V1.3 13 V olt age Settings for V arious Processors (continued) Processor V olt age Setting V olt age V alue: SW2 JP1 AMD K6-2 450 AMD K6-2 475 AMD K6-2 500 AMD K6-III 400 AMD K6-III 450 Dual V o ltage V ORE :2.4V V I/O :3.
Hard ware Setup SY -5EHM/5EH5 V1.3 14 Step 4. CPU Frequency Setting (SW1) The SY -5EHM/5EH5 V1.3 Motherboar d is designed to support most Pentium ® class pro cessors cu rrent ly on t he mar ket. Ju mper s SW1 is used to configur e the Motherboard frequency p arameters to match the working freq uency of your CPU.
Hard ware Setup SY -5EHM/5EH5 V1.3 15 CPU FREQUENCY SETTING (SW1) Configure the SW1 jumpers to th e settings that m atch your CPU sp eed. Refer to the fo llowing tables to set the Frequency Multip lier and Host Bus Frequency of your CPU: Frequency M ultiplier Host Bus Frequency Multiplier 1 2 3 Host Bus Frequency 4 5 6 1.
Hard ware Setup SY -5EHM/5EH5 V1.3 16 Please refer to the following ta ble that gives you the correct frequency settings for the spec ific brand and model of CPU you are installing on this Motherboard.
Hard ware Setup SY -5EHM/5EH5 V1.3 17 Frequency Settings for AMD™ Processors (Continued) Processor Frequency Setting Rat io Bus Clock AGP Clo ck PCI Clock Frequency Setting: SW 1 AMD K5 - PR166 2.5 x 66MHz 66MHz 33MHz AMD K6 - 166 2.5 x 66MHz 66MHz 33MHz AMD K6 - 200 3.
Hard ware Setup SY -5EHM/5EH5 V1.3 18 Frequency Settings for AMD™ Processors (Continued) Processor Frequency Setting Rat io Bus Clock AGP Clo ck PCI Clock Frequency Setting: SW 1 AMD K6-2 380 4.0 x 95MHz 63.5MHz 31.75MHz AMD K6-2 400 4.0 x 100MHz 66MHz 33MHz AMD K6-2 450 4.
Hard ware Setup SY -5EHM/5EH5 V1.3 19 Frequency Settings for Cy rix™ Processors Processor Frequency Setting Rati o Bus Clock AGP Clo ck PCI Clo ck Frequency Setting: SW 1 Cyrix 6x86 - PR166+ 2.0 x 66MHz 66MHz 33MHz Cyrix 6x86 - PR200+ 2.0 x 75MHz 75MHz 37.
Hard ware Setup SY -5EHM/5EH5 V1.3 20 Frequency Settings for Cy rix™ Processors (Continued) Processor Frequency Setting Rati o Bus Clock AGP Clo ck PCI Clock Frequency Setting: SW1 Cyrix M II – 400** 3.0 x 95MHz 63.5MHz 31.75MHz Cyrix M II - 433** 3.
Hard ware Setup SY -5EHM/5EH5 V1.3 21 Step 5. Set JP7,JP9,JP10 for SDRAM frequency JP7 is used to indicate the frequency of the CPU bus clock to the ETEQ chipset. JP9 and JP10 are used to determin e that the SDRAM is running at the frequenc y of the CPU bus c l ock or the AGP clock.
Hard ware Setup SY -5EHM/5EH5 V1.3 22 Step 6. DRAM Module Inst allation This Motherboard support s two strips of 72-pin 5V FPM/EDO DRA M (SIMM) from 4 to 64 MB and two strips 168-pin 3.3V/5V Unbuf fered DIMM modules f rom 8 to 256 MB. The Motherboard requires SIMM modules of at least 70ns acces s time.
Hard ware Setup SY -5EHM/5EH5 V1.3 23 Y our board comes with one SIMM Ba nk (2 modules) a nd two DIMM sockets, provi ding support for up t o 512MB of main memor y using DIMM modules from 8MB to 256M B. For 66MHz host bu s CPUs use 12ns or faster DIMM modules ; for 83MHz or higher host bus CPUs use 8ns modul es.
Hard ware Setup SY -5EHM/5EH5 V1.3 24 Step 9. Front Panel Connections Plug the computer case 's fro nt pane l devi ces to t he corr espon ding connectors on the M otherboard. 1. Power LED & Key Lock Plug the Power LED cable into the 5-pin Keyloc k connector .
Hard ware Setup SY -5EHM/5EH5 V1.3 25 3. S peaker Attach the 4-pin PC speaker c abl e from the case to the S peaker connector on the Motherboard. 4. T urbo LED Connecting the 2-pin T urbo LED ca ble to t he corre sponding T urbo LED connector will cause the LED to light whenever the system is in T urbo mode.
Hard ware Setup SY -5EHM/5EH5 V1.3 26 Step 10. External Peripherals Connections Extern al devices such as t he ke yboar d, pr inte r , PS/2 mouse, modem, USB can be connected to the Mother board. Normally , you can not plug your dev ices directly onto the Motherbo ard, ex cept for the keyboard that plugs directly into the back panel KB connector .
Hard ware Setup SY -5EHM/5EH5 V1.3 27 1. Serial Port s COM1/COM 2 External Devices that use the COM ports incl ude serial mice and modems. The COM po rt connectors are located on 2 separate brackets p anels, as shown on the figure below .
Hard ware Setup SY -5EHM/5EH5 V1.3 28 Parallel Port PRT1 This parall el port is used to c o nnect the printer or other p arallel devices. Y o ur Motherboar d comes with one 25 -pin female ext ernal parallel connector wit h 25-pin flat cable.
Hard ware Setup SY -5EHM/5EH5 V1.3 29 PS/2 Mouse Attach the mouse cable to the 6- pin male PS/2 mouse connector on the Motherboard to enab le PS/2 mouse function. Universal Serial Bus (USB) This Motherboard provides a dual -row 10-pin header (one pin is empty) to support two USB ports for your additional devices.
Hard ware Setup SY -5EHM/5EH5 V1.3 30 Step 11. Others Connector 1. W ake-On- LAN (WOL) Attach the 3-pin connector from the LAN card whic h supports the W ake-On-LAN (WOL) func tion to the JP44 conn ector on the Motherboard. This WOL function le ts users wake up the connected computer through the LAN c ard.
Hard ware Setup SY -5EHM/5EH5 V1.3 31 Step 12. CPU Cooling Fan Installation After y ou have seated the CPU cooling fan properly on the process or , attach the 3-pin fan ca ble to the J P12 connector on the Motherboard. T o avoid damage t o th e system, i nstall accord ing to the following pin assignment: Step 13.
Hard ware Setup SY -5EHM/5EH5 V1.3 32 Wa rn i n g: Follow these precau tions to p reserve your Motherboard from any rem nan t currents when connecting to A TX power supply: T urn off the power supply and unpl ug the power cord of the A TX power supply befo re connecting to A TX PW connector .
Hard ware Setup SY -5EHM/5EH5 V1.3 33 Do NOT use an A TX and A T powersupply at the same time. Use only ON E type of power supply . Step 15. CPU frequency of 83MHz Setting (JP8) This jumper is used in t he CPU frequency selection. It is set to 1-2 for a CPU frequency of 83 MHz.
Hard ware Setup SY -5EHM/5EH5 V1.3 34 CMOS Clearing (JP5) After you ha ve tur ned off yo ur com puter , clear t he CMOS me mory by moment arily shorting pins 2-3 on jumper J P 5, for a few seconds. Then restore JP5 to the initial 1-2 jumper setting in order t o recover and retain the default settings.
Hard ware Setup SY -5EHM/5EH5 V1.3 35 Step 19. Power On Y ou have now complet e d the hardware installation of y our Motherboard success fully . 1. T urn the power on 2.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 36 Chapter 3 BIOS SETUP UTILITY This Mother board's BIOS set up pr ogram uses the ROM PCI/ISA BIOS program from A ward Software Inc. T o enter the A ward BIOS program's Ma in Menu: 1. Tu rn on or reboot the syst em.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 37 Hot Keys: Function keys gi ve you access to a gr oup of commands throughout t he BIOS ut ili ty . Function Command Description F1 Help Gives th e list of options available for each item . Shif t F2 Color Change the color of the disp lay window .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 38 3-1 ST ANDARD CMOS SE TUP Select the [ST ANDARD CMOS SETUP] option from the Ma in Menu and press [Ente r] key . This scr een allows you t o modify the ba sic CMOS set tings. Afte r you have compl eted th e changes, pre ss [Esc] key to re turn to the Main Menu.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 39 3-1.2 Hard Disks T ype & Mode Choose the type and mode fo r the hard disks that you have already installed. Primary (Secondary) Master & Slave Setting Description Note Auto BIOS de tects ha rd disk type automati cally .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 40 3-1.4 Video Select the video mode: EGA /VGA (D efault), CGA 40, CGA 80, Mono (Monochrome) . 3-1.5 Ha lt On When the BIOS detects sy stem errors, this functi on will st op the system.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 41 3-2 BIOS FEA TURES SETUP Select the [BIOS FEA TURES SETUP] opti on from t he Main Menu and press [Ente r] key .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 42 3-2.1 Virus W arn ing Setting Description Note Disabled Default V irus W arning Enabled Enable this option to protect the boot sectors and partition tables of your hard disk. Any attempt to write to them will the system t o halt and display a warning message.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 43 3-2.3 System Boot Control Settings System Boot Control Settings Setting Descri pt ion Not e Disab led Quick Power On Self T est Enabled Provides a fast POTS at boot-up.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 44 System Boot Contro l Settings (conti nued) System Boot Control Settings Setting Descri pt ion Not e Norm al Gate A20 Option Fast Allows RAM access above 1MB using the fast gate A20 line. Defa ul t Enabled This allows to perform a redundancy chec k on the p arity bi t in the dat a string s.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 45 3-2.5 Oth er Con trol Op tions Other Control Options Setting Description Note Setup Us e this featur e to prevent Unauthorized sy stem boot-up or use of BIOS Setup. “Setup”, If a pass word is set, the pass word prompt only appears if you attempt to enter the Setup program.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 46 Other Control Options ( Continued) Other Control Options Setting Description Note Disabled Enabled V ideo or Adapte r BI OS Shadow The BIOS is shadowed in a 16K segment if it is ena bled and if it has BIOS present.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 47 3-3 CHIPSET F EA TURES SETUP Caution: Change these settings only if you are already famili ar with the C hip set. The [CHIPSET FEA TURES SETUP] op ti on changes the va lues of th e chipset registers. These registers control t he system opti ons in t he computer .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 48 CHIPSET FEA TURES SETUP CHIPSET FEA TURES Setting Description Note FP/EDO 70ns Use the default setting Defa ult Bank 0/1 DRAM Timing Bank 2/3 DR AM Timing Bank 4/5 DR AM Timing Normal Medium Fast, Tu r b o Choose DRAM T iming.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 49 CHIPSET FEA TURES SETUP (Continued) CHIPSET FEA TURES Setting Description Note AGP Apertur e Size 64M 4-256M AGP could use the DRAM as its video RAM. Choose the JDRA M size that you wis h to allo cate a s video RAM.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 50 3-4 POWER MAN AGEMENT SETUP The [POWER MANAGEMENT SETUP] se ts the s yste m's power saving functions. ROM P CI/ISA BIOS POWER MANAGEMENT SETUP A W ARD SOFTW ARE, INC.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 51 3-4.1 Power Management Controls Power Management Cont rol s Setting Description Note Disabled Default ACPI function Enabled Enabled if you use Windows 98 and want to use ACPI User Define Lets you define the HDD and system power down times.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 52 3-4.2 PM Time rs PM Timers Setting Desc rip ti on Note Disable Defaul t HDD Power Down 1-15Min When the s et time has elapsed, BIOS sends a command to the HDD to powe r down. This turns of f the HDD motor . Some older model HDDs may not support this advanced function.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 53 3-4.3 PM Events PM Event s Setting Description Note ON Enabled the power managemnet. VGA OFF Defa ult LPT/COM Enabled the power management timer . Defa ul t LPT & COM COM LPT NONE ON Enabled the power management timers when the event is detec ted on the Hard Disk D rive and Floppy Disk Drive devic e.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 54 PM Event s (Continued) PM Event s Setting Description Note Primary IRQ3(COM2), IRQ4(COM1), IRQ5(LPT2), IRQ6(Floppy Disk), IRQ7(LPT1), I RQ12(PS/2 mouse), IRQ13.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 55 3-5 PNP/PCI CON FIGURA TION SETUP This opti on sets t he Motherboa rd's PCI Slot s. ROM P CI/ISA BIOS PNP/PCI CONFI GURA TION SETUP A W ARD SOFTW ARE, INC.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 56 3-5.1 PNP/PCI Configuration Controls PNP/PCI Cont rol s Setting Description Note Ye s Use the default setting Disabled PNP OS Inst alled NO Manual BIOS doe s not manage PCI/ISA PnP card IRQ assignment. Requires to ass ign IRQ-# and DMA-# to PCI or ISA PnP manually .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 57 3-5.2 PNP/PCI Conf iguration Setup PNP/PCI Setup Setting Description Note If [Resources Controlled By ] is se t to [Manu al] PCI/IS A Pn P Choos e IRQ-# and DMA-# assigned to PCI/IS A PnP card.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 58 3-6 LOAD SETUP DEF AUL TS Select the [LOAD SETUP DEF AUL TS] option from the Main Menu to load the system val ues you have previousl y saved. This opt ion is recommended if you need to reset the syst em setup and to retri eve t he old values.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 59 3-8 IN TEGRA TED PERIPH ERALS Caution: Change these settings only if you are already famil iar with th e Chip set. The [INTEGRA TED PERIPHERALS] opt ion changes the values of the chipset registers. These registers control t he system opti ons in t he computer .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 60 3-8.1 ID E Devic e Cont rols IDE Controls Setting Des cri pt io n No te Disabled Onch ip IDE P rimar y Chan nel Enabled Use the On-board IDE Channel Defa ul t .
BIOS Setup Utility SY -5EHM/5EH5 V1.3 61 3-8.2 FDC Contro ls FDC Co ntr ol s Setting Descr ip ti on Note Disabled T urn off the on-board floppy controller Onboard FDC controller Enabled Use the on-board floppy controller Defa ul t 3-8.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 62 3-8.4 Onboard Parallel Port s IR Pins Controls Setting Desc ri pti on Not e Half Defa ul t IR Duplex mode Full Selec t the IR mode your IR module supports IR-RX2TX2 Defa ul t Use IR Pins IR-RX TX 3-8.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 63 3-9 SUPER VISOR P ASSWORD Based on the set ting you have ma de in the [Security Option ] of the [B IOS FEA TURES SETUP] section, the passw ord prevents access to the system or the set up program by unaut horized us ers.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 64 3. Enter your new p assword a nd press [Enter]. The following message appears, prompting to confirm the new p assword: 4.
BIOS Setup Utility SY -5EHM/5EH5 V1.3 65 3-11 IDE HDD AUT O DETECTION This Mai n Menu func tion aut omati cally de tects t he hard di sk type and configures the S T ANDARD CMOS SETUP accordingly . ROM PCI/ISA BIOS CMOS SETUP UTILITY A W ARD SOFTW ARE, INC.
Driv ers Ins tall atio n SY -5EHM/5EH5 V1.3 66 Chapter 4 DRIVERS INST ALLA TION Y our SY -5EHM/5EH5 V1.3 Motherboa rd comes with a CD-RO M labe led "SOYO CD.
Driv ers Ins tall atio n SY -5EHM/5EH5 V1.3 67 The user's m anual files i ncluded on the SOYO CD are in PDF (Postscript Docume nt) format. In order to read a PDF fil e, the appropriat e Acrobat Reader software must b e in stalled in your system.
Driv ers Ins tall atio n SY -5EHM/5EH5 V1.3 68 your system. Install Windows 95/98 If you installed Windows 95 you will now need to upgrade your USB driver by running the following program on your Windows CD: Win95/OSR2/Usbsupp/USBsupp.exe After installation of windows, you will need to install the ETEQ drivers.
Driv ers Ins tall atio n SY -5EHM/5EH5 V1.3 69 Bus Master PCI IDE Driver This driver wi ll speed up the da ta-transfer rate to and fro m the harddisk. AGP VxD Driver This driver m ust be installed in or der to be abl e to make use of the on-board AGP V ideo functiona lit y .
Driv ers Ins tall atio n SY -5EHM/5EH5 V1.3 70 Step 4. Enter the SO Y O CD Select which dr iver you wa nt to i nstal l and cli ck OK, or cli ck Cancel to return to the m ain m enu. Wh en the installatio n pro gram o f a d river sta rts running th e SOYO-CD will exit.
71.
デバイスSOYO SY-5EHMの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
SOYO SY-5EHMをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはSOYO SY-5EHMの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。SOYO SY-5EHMの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。SOYO SY-5EHMで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
SOYO SY-5EHMを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はSOYO SY-5EHMの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、SOYO SY-5EHMに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちSOYO SY-5EHMデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。