TYAN Transport GT24 B2881 Service Engineer's Manual
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TYAN Transport GT24 B2881 Service Engineer's Manual

TYAN Transport GT24 B2881 Service Engineer's Manual

Rack-mountable barebone system
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Transport GT24
B2881
Service Engineer's Manual

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Summary of Contents for TYAN Transport GT24 B2881

  • Page 1 Transport GT24 B2881 Service Engineer’s Manual...
  • Page 3 All registered and unregistered trademarks and company names contained in this manual are property of their respective owners including, but not limited to the following. TYAN and Transport GT24 B2881 are trademarks of TYAN Com- puter Corporation. AMD, Opteron, and combinations thereof are trademarks of AMD Corporation.

  • Page 4: Notice For Canada

    Federal Communications Commission (FCC) Operation is subject to the following conditions: 1) This device may not cause harmful interference, and 2) This device must accept any interference received including inter- ference that may cause undesired operation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try one or more of the following measures:...

  • Page 5: About This Manual

    About this Manual This manual provides you with instructions on installing your Transport GT24, and consists of the following sections: Chapter 1: Chapter 2: Chapter 3: Appendix: Conventions The following conventions are used in the manual: Note: Calls attention to important information. Warning: t o us e r or da m ag e t o eq u i pm e nt .

  • Page 6: Safety Information

    SAFETY INFORMATION Before installing and using the Transport GT24, take note of the fol- lowing precautions: – Read all instructions carefully. – Do not place the unit on an unstable surface, cart, or stand. – Do not block the slots and opening on the unit, which are pro- vided for ventilation.

  • Page 7: Table Of Contents

    Chapter 1:Overview 1.1 About the Transport GT24 B2881 ......1 1.2 Product Models ........2 1.3 Features .
  • Page 8 3.4.2 Removing the Motherboard ......43 3.5 Replacing the LED Control Board ......46 3.6 Replacing the M1012 Adapter Board .

  • Page 9: Chapter 1:Overview

    About the Transport GT24 B2881 Congratulations on your purchase of the TYAN Transport GT24 (B2881), a highly-optimized rack-mountable barebone system. The Transport GT24 (B2881) offers the latest in dual processor server systems, providing a rich feature set and incredible performance. Leveraging advanced technology ®...

  • Page 10: Product Models

    Product Models Model B2881G24U4H B2881G24S4H B2881G24S4-LC B2881G24S4H B2881G24U4H B2881G24S4-LC Hot-Swap HDD Bays Support Removable, 4 HDDs Removable, 4 HDDs Internal (Fixed), 4 HDDs Backplane 4-port Ultra SCSI 4-port SATA None Chapter 1: Overview...

  • Page 11: Features

    Features Enclosure • Industry 19” rack-mountable 1U chassis storage bay – (4) 3.5” HDD bays – (1) slim line CD-ROM bay – (1) slim line FDD bay • Dimension: D 25.4 x W 17.17 x H 1.71 inch (645x436x43.6mm) Processors •...
  • Page 12 Regulatory • FCC Class B (Declaration of Con- formity) • CE (Declaration of Conformity) Power Supply • EPS 12V, 1U, 500W with PFC • 100V~240V AC input • Environment Temperature • Operating temperature 5 • Non-operating temperature -40 Chapter 1: Overview C~35...

  • Page 13: Unpacking

    Unpacking If any items are missing or appear damaged, contact your retailer or browse to TYAN’s Web site for service: http://www.tyan.com. The Web site also provides information on other TYAN prod- ucts, plus FAQs, compatibility lists, BIOS settings, and more. 1 x Tyan driver CD HDD Screws Mounting Ears &...
  • Page 14 Barebone Manual Heatsink x 2 Rail Kit Mounting Bracket x 4 Sliding Rails x 2 Mainboard Manual Front Rear Sliding Brackets Front L-Bracket x 2 Rear L-Bracket x 2 Screws Kit Chapter 1: Overview...
  • Page 15 CD-ROM Accessory Kit (for B2881G24S4-LC only) CD-ROM Bracket CD-ROM Cable Power Cable CD-ROM Backplane & Screws Chapter 1: Overview...

  • Page 16: About The Product

    About the Product This section contains the hardware diagrams and a block dia- gram of the GT24 system. 1.5.1 System Front View B2881G24S4-LC CD-ROM Drive USB ports (Option) *Reserved: Reserved LED for future upgrade B2881G24IU4H/B2881G24S4H USB ports CD-ROM Drive *Reserved Power switch LAN LEDs Hard Drive Bay x 4...

  • Page 17: System Rear View

    1.5.2 System Rear View Power Supply Socket Power Supply LED USB Port Serial Port VGA Port 1.5.3 LED Definition Front Panel Power HDD Activity LAN1/LAN2 Activity Warning Hot Swappable HDD Tray Power LED Hot Swappable HDD Tray Access LED (U4H only) Chapter 1: Overview PS/2 Mouse/Keyboard Ports PCI-X Slot...
  • Page 18 Rear I/O LED RJ45 NIC1 Linkage (Left Side) RJ45 NIC1 Mode (Right Side) RJ45 NIC2 Linkage (Left Side) RJ45 NIC2 Mode (Right Side) Delta Power Supply LED NOTE: “Right” or “Left” is viewed from the rear. Color State Green Green Blinking Amber Green...

  • Page 19: System Internal View

    1.5.4 System Internal View B2881G24S4-LC 1. PCI-X Slot (with riser card M2057) 2. PCI-X Slot (with riser card M2052) 3. EPS 12V Power Supply 4. Memory Slots 5. CPU Sockets Chapter 1: Overview 6. System Fans (Left to right: FAN5, FAN4, FAN3, FAN2, FAN1) 7.
  • Page 20 B2881G24S4H 1. PCI-X Slot (with riser card M2057) 2. PCI-Slot (with riser card M2052) 3. EPS 12V Power Supply 4. CPU Sockets 5. System Fans (Left to right: FAN5, FAN4, FAN3, FAN2, FAN1) 6. Adapter Board 7. SATA Backplane 8. LED Control Board Cable 9.
  • Page 21 B2881G24U4H 1. PCI-X Slot (with riser card M2057) 2. PCI-X Slot (with riser card M2052) 3. EPS 12V Power Supply 4. CPU Sockets 5. System Fans (Left to right: FAN5, FAN4, FAN3, FAN2, FAN1) 6. Adapter Board Chapter 1: Overview 7.

  • Page 22: Motherboard Layout

    1.5.5 Motherboard Layout Chapter 1: Overview...
  • Page 23 Jumpers & Connectors Jumper SMBus 1.1 Connector Onboard Buzzer/Speaker Header USB Front Panel Header Clear CMOS Jumper COM2 Header PCI-X Slot 1 Bus Speed Override SMDC Header J73/J75 Front Panel LAN LED Headers INTR-Chassis Intrusion Header ATI Video Disable Jumper Front Panel Header Gigabit Ethernet Disable Jumper PCI-X Slot 2 Bus Speed Override...

  • Page 24: Motherboard Block Diagram

    1.5.6 Motherboard Block Diagram Chapter 1: Overview...

  • Page 25: Chapter 2:Setting Up

    2.0.1 Before You Begin This chapter explains how to install the CPU, CPU heatsink, memory modules, and hard drives. Instructions on inserting a PCI card are also given. Take note of the precautions mentioned in this section when installing your system. 2.0.2 Work Area Make sure you have a stable, clean working environment.

  • Page 26: Precautions

    2.0.4 Precautions Components and electronic circuit boards can be damaged by discharges of static electricity. Working on a system that is connected to a power supply can be extremely dangerous. Follow the guidelines below to avoid damage to the Transport GT24 or injury to yourself. •...

  • Page 27: Rack Mounting

    Rack Mounting After installing the necessary components, the Transport GT24 can be mounted in a rack using the supplied rack mounting kit. Rack mounting kit Sliding Rails x 2: Sliding Brackets x 4 (Front x 2, Rear x 2) Mounting Ears x 2 Screws Kit x 1 Mounting Brackets x 4 2.1.1 Installing the Server in a Rack...
  • Page 28 Installing the Inner Rails to Chassis 1. Screw the mounting ear to each side of Transport GT24 as shown using 2 screws from the supplied screws kit. 2. Draw out the inner rails from rail assembly. Install inner rails to left and right sides of chassis using 2 M4-5L(D) screws for each side.
  • Page 29 4. Locate the front and rear brackets. Front Bracket x2 5. Reserve 90mm for GT20 or 40mm for GT24 on the front bracket. Secure the front bracket to outer rail with 2 M4- 4L(C) screws. *Remember to add washer. Chapter 2: Setting Up Rear Bracket x2 M4-4L(C) Screw...
  • Page 30 6. Reserve the distance same as in Step 2 on rear bracket. Secure the rear bracket to outer rail with 2 M4-4L(C) screws. Front Side 7. Secure the outer rail to the rack using 2 brackets and 4 M4-8L(E) screws for each side (A). Secure the mounting brackets from inside, not outside, of the rack (B).
  • Page 31 Rackmounting the Server 8. Draw out the middle rail to the latch position. 9. Lift the chassis and then insert the inner slide rails into the middle rails. 10. Push the chassis in and press the latch key (A). Then push the whole system into the rack (B).
  • Page 32 11. Secure the mounting ears of chassis to the rack with 2 M4-15L(F) screws. NOTE: To avoid injury, it is strongly recommended that two people lift the Transport GT24 into the place while a third per- son screws it to the rack. Chapter 2: Setting Up...

  • Page 33: Installing Motherboard Components

    Installing Motherboard Components This section describes how to install components on to the motherboard, including CPU, memory modules and PCI card. 2.2.1 Removing the Chassis Cover Follow these instructions to remove the Transport GT24 chassis cover. 1. Release the screw on the back side. Then slide the chas- sis cover in the direction of arrow.

  • Page 34: Installing The Cpu, Heatsink And Air Duct

    2.2.2 Installing the CPU, Heatsink and Air Duct Follow these instructions to install the CPU, CPU heatsink and air duct. 1. After removing the pre-installed air duct, locate the CPU sockets. 2. Pull the CPU lever up to unlock the CPU socket. 3.
  • Page 35 4. Press the CPU socket lever down in the direction shown to secure the CPU. 5. Align the heatsink screw holes with the holes on the motherboard and insert two heatsink screws as shown. 6. Replace the air duct over the heatsink and secure the heatsink with two screws.

  • Page 36: Installing The Memory

    2.2.3 Installing the Memory Follow these instructions to install the memory modules on the motherboard. 1. Locate the memory slots on the motherboard. 2. Press the memory slot locking levers in the direction of the arrows as shown in the following illustration. 3.

  • Page 37: Installing A Pci-X Card

    4. Insert the memory module into the slot as shown. When inserted properly, the memory slot locking levers lock automatically onto the indentations at the ends of the module. 2.2.4 Installing a PCI-X Card There are two PCI-X slots on the rear panel of GT24. Refer to the procedures below for PCI-X installation.
  • Page 38 2. Move the bracket to left as shown. 3. Insert the PCI-X card as shown. 4. Push the tab of PCI-X slot in the direction as shown to fix PCI-X card. Chapter 2: Setting Up...

  • Page 39: Installing The Hard Drive For B2881G24S4-Lc

    Installing the Hard Drive for B2881G24S4-LC Follow these instructions to install a SATA hard drive for model B2881G24S4-LC. 1. Remove the screw to release the hard drive tray. 2. Slide the drive tray out. 3. Place a hard drive into the drive tray and then secure the hard drive using 4 screws.
  • Page 40 4. Insert the hard drive tray into the bay. 5. Secure the HDD using a screw. 6. Connect the data and power cables. Chapter 2: Setting Up...

  • Page 41: Installing The Hard Drive For B2881G24S4H/U4H

    Installing the Hard Drive for B2881G24S4H/U4H The Transport GT24 barebone system supports Serial ATA and SCSI hard drives. Follow these instructions to install a SATA or SCSI hard drive for model B2881G24U4H/B2881G24S4H. 1. Press the locking lever latch in the direction of arrow (A) and then pull the locking lever open (B).
  • Page 42 4. Using 4 HDD screws to secure the HDD. 5. Reinsert the drive tray into the chassis (A), ensuring that the drive tray is completely inserted into the chassis (B). 6. Pressing the locking lever to secure the hard drive tray. Chapter 2: Setting Up...

  • Page 43: Installing The Slim Fdd (Option)

    Installing the Slim FDD (Option) 1. Locate the two FDD rails and screws from the FDD kit. Secure the two rails to FDD using four screws. FDD Rails & Screws 2. Connect the FDD backplane to FDD using 2 screws. 3.
  • Page 44 5. Insert FDD module into the tray. 6. Locate the FDD cable from FDD kit. Connect the wrinkle side to the connector on floppy slot. Refer to the picture below for the correct direction. Then, connect the power cable of FDD to the connector on floppy slot. For Floppy Slot For Mainbord 7.

  • Page 45: Installing The Slim Cd-Rom Or Dvd-Rom (For B2881G24S4-Lc Only)

    Installing the CD-ROM or DVD-ROM (for B2881G24S4-LC only) Follow these instructions to install the slim CD-ROM. 1. Use a screw driver to pull open the door of CD-ROM drive bay. 2. Before connecting the CD-ROM backplane to CD_ROM drive, first connect the two white buffers to the backplane with 2 screws (A).
  • Page 46 3. Insert the CD-ROM drive into the chassis 4. Connect the CD-ROM power and data cables. Power Cable Data Cable Chapter 2: Setting Up...

  • Page 47: Chapter 3:Replacing Pre-Installed Components

    Chapter 3: Replacing Pre-Installed Introduction This chapter explains how to replace pre installed compo- nents including the motherboard, LED control board, HDD, and CD-ROM drive. Take note of the precautions in this section when installing your system. 3.1.1 Work Area Make sure you have a stable, clean working environment.

  • Page 48: Precautions

    3.1.3 Precautions Components and electronic circuit boards can be damaged by static electricity. Working on a system that is connected to a power supply can be extremely dangerous. Follow the guidelines below to avoid damage to the Transport GT24 or injury to yourself.

  • Page 49: Disassembly Flowchart

    Disassembly Flowchart The following flowchart outlines the disassembly procedure. Rear Components Chassis rear cover Air duct Mainboard Power supply PCBs Control Board Chapter 3: Replacing Pre-Installed Components DIMMs CPU/heatsink assembly PCI card Mainboard Front Components Chassis rear cover CD-ROM M1012 Adapter Board Backplane...

  • Page 50: Removing The Cover

    Removing the Cover Before replacing any parts you must remove the chassis cover. Follow these instructions to remove the cover of the Transport GT24 chassis cover. 1. Release the screw and then slide the cover in the direc- tion of arrow. 2.

  • Page 51: Replacing Motherboard Components

    Replacing Motherboard Components Follow these instructions to replace motherboard compo- nents, including the motherboard. 3.4.1 Disconnecting All Motherboard Cables Before replacing the motherboard or certain components, remove cables connected to the motherboard. Follow these instructions to remove all motherboard cabling. 1.
  • Page 52 4. Disconnect all fan power cables. Chapter 3: Replacing Pre-Installed Components...

  • Page 53: Removing The Motherboard

    3.4.2 Removing the Motherboard Follow these instructions to remove the motherboard from the chassis when all add-on components have been removed. 1. Remove the eleven screws securing the motherboard to the chassis. 2. Remove the motherboard. Chapter 3: Replacing Pre-Installed Components...

  • Page 54: Replacing The Led Control Board

    Replacing the LED Control Board Follow these instructions to remove the LED control board. 1. Remove the 2 screws securing the LED control board to the chassis. 2. Pull the LED control board free from the chassis as shown below. 3.
  • Page 55 4. Unplug the USB cable from the connector. 5. Remove the three screws securing the LED control board to the bracket 6. Release the LED control board from the chassis. After replacement, insert and secure the unit to the chassis fol- lowing the reverse procedures from step 1~5.

  • Page 56: Replacing The M1012 Adapter Board

    Replacing the M1012 Adapter Board 1. Remove all the cables connected to the adapter board, including front panel, USB, LAN, power and five fan cables. 2. Remove the five screws to release the adapter board. Refer to page 49 for the location. Chapter 3: Replacing Pre-Installed Components...

  • Page 57: M1012 Adapter Board Features

    3.6.1 M1012 Adapter Board Features J16: LCM Connector J14: Fan Tach Connector J7:Fan Tach & PWM Connector JP1: Fan Input Select Connector J19: CD-ROM Power Connector J5: Fan Connector J9: Fan Connector J11: Fan Connector J10: Fan Connector J2: Front Panel Connector J6: Fan Connector FDD2: Slim FDD Connector JP2: Fan Minimum...

  • Page 58: M1012 Adapter Board Connector Pin Definition

    3.6.2 M1012 Adapter Board Connector Pin Definition J1 TYFP Front Panel Connector HDLED+ HDLED - RESET- RESET+ VOLTAGE5 EXT_INT V5SB ICH_SMBDAT ICH_SMBCLK J2 Front Panel Connector HDLED+ RESET+ PW_LED+ WLED+ ICH_SMBDAT EXT_INT V5SB PWR_SW+ LAN1_LED+ LAN2_LED+ LAN3_LED+ ID_LED+ ID_SW+ KEY PIN PW_LED+ PW_LED - PWR_SW+...
  • Page 59 J3 LAN/ID LED Connector LAN1_LED+ LAN2_LED+ LAN3_LED+ ID_LED+ ID_SW+ KEY PIN FAN Signal Related Connector Pin Definition NOTE: The FAN signal naming is based on HW circuit design only. It might be different from the system fan naming. J4 Fan TACH & PWM Connector J7 Fan TACH &...
  • Page 60 J13 Fan TACH Connector KEY PIN J14 Fan TACH Connector KEY PIN J6 Fan Connector FAN1_TACH FAN2_TACH FAN3_TACH FAN1_TACH FAN2_TACH FAN3_TACH FAN4_TACH FAN5_TACH FAN6_TACH FAN7_TACH FAN8_TACH FAN9_TACH FAN10_TACH FAN1_12VPWM FAN1_TACH FAN2_TACH FAN2_12VPWM Chapter 3: Replacing Pre-Installed Components...
  • Page 61 J10 Fan Connector J11 Fan Connector J9 Fan Connector Chapter 3: Replacing Pre-Installed Components FAN3_12VPWM FAN3_TACH FAN4_TACH FAN4_12VPWM FAN5_12VPWM FAN5_TACH FAN6_TACH FAN6_12VPWM FAN7_12VPWM FAN7_TACH FAN8_TACH FAN8_12VPWM...
  • Page 62 J5 Fan Connector J15 & J16 LCM Connectors LCM_+5V KEY PIN LCM_+5VSB JP1 Fan Input Select Connector Pin1 & Pin2 Close Pin2 & Pin3 Close JP2 Fan Input Select Connector Pin1 & Pin2 Close Pin2 & Pin3 Close FAN9_12VPWM FAN9_TACH FAN10_TACH FAN10_12VPWM LCM_SIN...

  • Page 63: System Fan Layout

    3.6.3 System Fan Layout The following picture provides the information for system fan layout. Refer to the tables on p.56 for connection. Chapter 3: Replacing Pre-Installed Components...
  • Page 64 System Fan Speed Control Signal M1012 Adapter Board J8 PWM Connector System Fan Monitoring Signal Barebone System Fan Fan 1 (Fan J13) Fan 2 (Fan J13) Fan 3 (Fan J14) Fan 4 (Fan J14) Fan 5 (Fan J14) Connect to Connect to Chapter 3: Replacing Pre-Installed Components Motherboard...

  • Page 65: Replacing The Sata Or Scsi Backplane

    Replacing the SATA or SCSI Backplane NOTE: The procedures for replacing SATA or SCSI back- planes are the same. The following section applies to B2891G24S4H model only. You may rerfer to the following section for SCSI backplane replacement. 1. Remove the 3 screws securing the adapter board to the chassis.
  • Page 66 3. Remove the ten screws that secure the bracket to the adapter board. 4. Release the adapter board free from the bracket. 5. Replace the unit to the chassis following the reverse pro- cedures from step 1 to 4 after done. Chapter 3: Replacing Pre-Installed Components...

  • Page 67: Sata Backplane (M1204) Features

    3.7.1 S-ATA Backplane (M1204) Features U4, SATA 4 Connector U3, SATA 3 Connector U2, SATA 2 Connector HDD Power LED HDD Active LED U1, SATA 1 Connector Chapter 3: Replacing Pre-Installed Components...
  • Page 68 J3, SATA 3 Connector J4, HDD Access LED Connector 1 JP1, HDD Access LED Connector 2 Chapter 3: Replacing Pre-Installed Components PW1 Power Connector PW2 Power Connector J4, SATA 4 Connector J2, SATA 2 Connector J1, SATA 1 Connector...
  • Page 69 M1204 HDD Access LED Connector Pin Definition J4: HDD Access LED Connector HD_ACCLED1+ HD_ACCLED2+ HD_ACCLED3+ HD_ACCLED4+ NOTE: This is a normal HDD access LED connector. It just passes through the LED signal from SATA controller. JP1: HDD Access LED Connector HD_ACCLED1+ HD_ACCLED2+ HD_ACCLED3+...

  • Page 70: Scsi Backplane (M1205) Features

    3.7.2 SCSI Backplane (M1205) Features SCSI 4 Connector SCSI 3 Connector SCSI 2 Connector HDD Power LED HDD Active LED SCSI 1 Connector Chapter 3: Replacing Pre-Installed Components...
  • Page 71 Switch, ID select or Start-Mode select Chapter 3: Replacing Pre-Installed Components PW1 Power Connector PW2 Power Connector SCSI Data Connector...
  • Page 72 M1205 HDD Start-Mode & ID Selection Switch SW1 & SW2 HDD Start-Mode Selection Switch Case (DLYD_START) Note: *Case 2 is the default setting. **This value may be reduced by SCSI device supplies to reflect the wrost-case time duration of peak current drains at the 12 V.D.C or 5 V.D.C source or both during motor spin up.
  • Page 73 SW3 & SW4 HDD ID Selection Switch Case Note: *Case 2 is not a recommended selection because SCSI HDD ID#7 will conflict with SCSI controller ID in such case. Chapter 3: Replacing Pre-Installed Components ID Sequence (left to right in front view) SCSI ID# 0, 1, 2, 3 SCSI ID#4, 5, 6, 7 (Please notice that, in this case,...

  • Page 74: Replacing The Power Supply

    Replacing the Power Supply 1. Remove the two screws that secure the power supply to the chassis. 2. Remove the screw that secure the fan assembly to the chassis Chapter 3: Replacing Pre-Installed Components...

  • Page 75: Appendix I: Bios Differences

    Appendix I: BIOS Differences The BIOS of B2881 is similar to the BIOS of S2881. There is only one menu different. You may refer to the attached moth- erboard manual for the complete BIOS information. The dif- ferences between B2881 and S2881 is on the “Advanced/Hardware Health Information”...
  • Page 76 Table of Differences S2881 FAN1 Speed, FAN2 Speed FAN3 Speed, FAN4 Speed FAN5 Speed, FAN6 Speed FAN7 Speed, FAN8 Speed FAN9 Speed B2881 FAN1 Speed, FAN2 Speed FAN3 Speed, FAN4 Speed FAN5 Speed...

  • Page 77: Appendix Ii: Cable Connection Tables

    Appendix II: Cable Connection Tables SATA Cable HDD Drive HDD1 HDD2 HDD3 HDD4 FAN Cable Table 2: System Fan to M1012 Adapter Board System Fan Fan 1 Fan 2 Fan 3 Fan 4 Fan 5 Table 3: M1012 Adapter Board to Motherboard M1012 J13 Fan 1 cable J13 Fan 2 cable...
  • Page 78 Power Supply Cable Table 4: Power Supply to Motherboard Power Supply P1 24-pin power cable P2 8-pin power cable Table 5: Power Supply to M1012 Adapter Board Power Supply P3 4-pin power cable The Other Cable Table 6: M1012 Adapter Board to Motherboard M1012 J3 LAN1 LED cable J3 LAN2 LED cable...
  • Page 79 Table 9: FDD Related Cable (Option) Motherboard FDD connector Power Supply P5 Table 10: CD-ROM Related Cable (Option) Motherboard IDES connector M1012 J19 power connector FDD Backplane FDD Backplane CD-ROM Backplane CD-ROM Backplane...

  • Page 80: Technical Support

    (which can have expensive consequences). If these options are not available for you then Tyan Computer Corporation can help.Besides designing innovative and qual- ity products for over a decade, Tyan has continuously offered customers service beyond their expectations.
  • Page 81 3. Contact your dealer for help BEFORE calling TYAN. 4. Check the TYAN user group: alt.comp.periphs.main- board.TYAN Returning Merchandise for Service During the warranty period, contact your distributor or system vendor FIRST for any product problems. This warranty only covers normal customer use and does not cover damages incurred during shipping or failure due to the alteration, mis- use, abuse, or improper maintenance of products.

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