TYAN B3970-U Service Engineer'S Manual Download Page 51

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Chapter 3: Replacing Pre-Installed Components

3.7.1 M1012 Adapter Board Features for B3970-U

J16: LCM Connector

J7:Fan Tach & PWM Connector

J5: Fan Connector

J9: Fan Connector

J11: Fan Connector

J10: Fan Connector

J2: Front Panel Connector

J6: Fan Connector

FDD2: Slim FDD Connector

J15: LCM Connector

PW2: Power Connector

JP1: Fan Input Select

Connector

J3: LAN/ID LED
Connector

FDD1: Standard
Floppy Connector

J1: Front Panel
Connector

JP2: Fan Minimum

Voltage Input Select

Connector

J4: Fan Tach & PWM
Connector

J14: Fan Tach Connector

J19: CD-ROM Power

Connector

J8: PWM Connector

J13: Fan Tach Connector

Summary of Contents for B3970-U

Page 1: ...Transport GT20 B3970 U Service Engineer s Manual ...

Page 2: ......

Page 3: ...at any time without notice In no event will TYAN be held liable for any direct or indirect incidental or consequential damage loss of use loss of data or other malady resulting from errors or inaccuracies of information contained in this document Trademark Recognition All registered and unregistered trademarks and company names contained in this manual are property of their respective owners inclu...

Page 4: ...ment into an outlet on a circuit different from that of the receiver Consult the dealer on an experienced radio television technician for help Notice for Canada This apparatus complies with the Class B limits for radio interference as specified in the Canadian Department of Communications Radio Interference Regulations Cet appareil est conforme aux norms de Classe B d interference radio tel que sp...

Page 5: ...nd provides block diagrams of the system Chapter 2 Covers procedures on installing the CPU mem ory modules an optional PCI X card and hard drives Chapter 3 Covers removal and replacement procedures for pre installed components Appendix Provides information on installing SMDC cards and describes the differences between mainboard BIOS and system BIOS The cable connection tables are also provided for...

Page 6: ...f this pin If your outlet does not support this kind of plug contact your electrician to replace your obsolete outlet Do not place anything on the power cord Place the power cord where it will not be in the way of foot traffic Follow all warnings and cautions in this manual and on the unit case Do not push objects in the ventilation slots as they may touch high voltage components and result in sho...

Page 7: ...erver in a Rack 13 2 2 Installing Motherboard Components 19 2 2 1 Removing the Chassis Cover 19 2 2 2 Installing the Memory 20 2 2 3 Installing the CPU and Heatsink 21 2 2 4 Installing the PCI X Card 24 2 3 Installing the External Hard Drive 26 2 4 Installing the Slim FDD Option 28 Chapter 3 Replacing Pre Installed Components 3 1 Introduction 31 3 1 1 Work Area 31 3 1 2 Tools 31 3 1 3 Precautions ...

Page 8: ...for B3970 U 43 3 7 2 M1012 Adapter Board Connector Pin Definition 44 3 8 Replacing the SATA Backplane 49 3 8 1 SAS SATA Backplane M1208 Features 51 3 9 Replacing the Power Supply 53 Appendix I BIOS Differences Appendix II Cable Connection Tables Appendix III Installing SMDC Cards ...

Page 9: ...he TransportTM GT20 B3970 U not only empowers your company in today s demanding IT environment but also offers a smooth path for future application usage TYAN is also proud to deliver the TransportTM GT20 B3970 U in SATA flavor while supporting up to four 4 hot swap hard drives one 1 slim CD ROM and one 1 optional slim floppy disk drive not included The TransportTM GT20 B3970 U uses TYAN s latest ...

Page 10: ... I O 2 USB 2 0 ports LED indicators Power LED 2 LAN LEDs ID LED HDD active LEDs Switches Power Reset ID Storage Pre installed slim type 24x CD ROM 4 hot swappable SATA HDD Networking 2 Intel i8254PI GbE LAN control lers Video ATI XGI Volari Z7 XG20 16MB frame buffer memory Motherboard TYAN Tomcat S3970 U 1U system board ATX footprint 12 x 10 2 304 8mm x 259 1mm BIOS AMI BIOS on 8Mbit LCP Flash ROM...

Page 11: ...b 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 Power Cables Left to right Europe US HDD Screws Mounting Ears Screws FDD Kit FDD Cable FDD Backplane Cable FDD Installing Rails Screws Heatsink Air Duct ...

Page 12: ...4 Chapter 1 Overview Mainboard Manual Barebone Manual Rail Kit Mounting Bracket x 4 Sliding Brackets Front L Bracket x 2 Rear L Bracket x 2 Screws Kit Sliding Rails x 2 ...

Page 13: ... View CD ROM Drive Hard Drive Bay x 4 HDD activity LED Power switch Power LED Reset switch USB ports Warning LED 2 x LAN LEDs ID switch NMI switch ID LED Power Supply Fan Aperture PS 2 Mouse Keyboard Ports Serial Port VGA Port PCI X Slot Opening Power Supply Socket LAN Port NIC2 LAN Port NIC1 ID LED 2 USB Ports ...

Page 14: ...connected Hot Swappable SATA HDD Access LED Amber OFF Random Blinking OFF HDD access activity No disk activity Hot Swappable SAS HDD Access LED Amber Amber OFF ON Random Blinking OFF HDD ready HDD access activity HDD not ready LED Color State Description RJ45 NIC1 Linkage Left Side Green Green OFF ON Blinking OFF LAN linked LAN accessing No LAN linked RJ45 NIC1 Mode Right Side Amber Green OFF ON O...

Page 15: ...11 9 10 5 7 8 3 12 4 1 PCI X Slot 2 Memory Slots 3 Power Connector 4 EPS Power Supply 5 System Fans 6 M1012 Adapter Board 7 SATA Backplane 8 LED Control Board Cable 9 SATA Cables 4 10 USB Cable 11 CD ROM Cable 12 Four SATA HDD Bays 13 Slim CD ROM 13 ...

Page 16: ...8 Chapter 1 Overview 1 5 5 Motherboard S3970 Block Diagram ...

Page 17: ...Chapter 1 Overview 9 1 5 6 Motherboard Layout ...

Page 18: ...er J26 Front Panel Header J27 LCM Pin Header J29 IPMB Pin Header JP1 VGA Enable Disable Jumper Close 1 2 Default Enabled Close 2 3 Disabled JP2 JP3 SMDC ASF2 0 Select Jumper Close 1 2 Default support ASF2 0 Close 2 3 support SMDC card JP6 PCI X Frequency Select Jumper Open 100MHz Installed Default 133MHz JP8 Clear CMOS Jumper Close 1 2 Default Close 2 3 Clear CMOS J21 TARO SO DIMM Socket J36 SMDC ...

Page 19: ...containers to keep small components separated Putting all small components in separate containers prevents them from becoming lost Adequate lighting and proper tools can prevent you from accidentally damaging the internal components 2 0 3 Tools The following procedures require only a few tools including the following A cross head Phillips screwdriver A grounding strap or an anti static pad Most of...

Page 20: ... of any other grounded appliance Avoid touching motherboard components IC chips connectors memory modules and leads The motherboard is pre installed in the system When removing the motherboard always place it on a grounded anti static surface until you are ready to reinstall it Hold electronic circuit boards by the edges only Do not touch the components on the board unless it is necessary to do so...

Page 21: ...r in a Rack Follow these instructions to mount the GT20 into an industry standard 19 rack NOTE Before mounting the Transport GT20 in a rack ensure that all internal components have been installed and that the unit has been fully tested Maintenance can be per formed on the unit while in a rack but it is preferable to install the device in a fully operational condition Screws List including screws f...

Page 22: ...ng 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 Installing Outer Rails to the Rack 3 Measure the distance between inner side of the front and rear mounting brackets in the rack Mounting Ears ...

Page 23: ...Chapter 2 Setting Up 15 4 Locate the front and rear brackets 5 Reserve 40mm on the front bracket Secure the front bracket to outer rail with 2 M4 4L C screws Rear Bracket x2 Front Bracket x2 ...

Page 24: ...Step 2 on rear bracket Secure the rear bracket to outer rail with 2 M4 4L C screws 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 Mounting Bracket A B ...

Page 25: ...g 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 A B ...

Page 26: ...ting Up 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 GT20 into the place while a third per son screws it to the rack ...

Page 27: ...stall 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 GT20 chassis cover 1 Remove the screw on the back side Then slide the chas sis cover in the direction of arrow 2 Lift the cover off ...

Page 28: ...ts on the motherboard 2 Press the memory slot locking levers in the direction of the arrows as shown in the following illustration 3 Align the memory module with the slot When inserted properly the memory slot locking levers lock automati cally onto the indentations at the ends of the module For optimal system operation please install memory in pairs ...

Page 29: ...ng Up 21 2 2 3 Installing the CPU and Heatsink Follow these instructions to install the CPU and CPU heat sink 1 Locate the CPU socket 2 Take off the CPU protection cap 3 Pull the CPU lever up to unlock the CPU socket ...

Page 30: ...22 Chapter 2 Setting Up 4 Open the socket in the direction as illustrated 5 Place the CPU on the CPU socket ensuring that pin 1 is located in the right direction 6 Close the cover in the direction shown ...

Page 31: ... the CPU socket lever down in the direction shown to secure the CPU 8 Secure the heatsink to the motherboard using two screws NOTE Remember to install the washer and nut while installing the screws 9 Place the air duct with one screw ...

Page 32: ... instructions to install a PCI X card 1 Push the tab of PCI X slot on the rear panel in the direc tion as shown to release the I O shield 2 Move the I O shield to right as shown and then take off the I O shield 3 Insert the PCI X card in the directions of arrow as shown ...

Page 33: ...Chapter 2 Setting Up 25 4 Push the tab of PCI X slot on the rear panel in the direc tion as shown to secure PCI X card ...

Page 34: ... supports external SATA or SAS hard drives Follow these instructions to install an external SATA or SAS hard drive 1 Press the locking lever latch in the direction of arrow A and then pull the locking lever open B 2 Slide the drive tray out 3 Place a hard drive into the drive tray A B ...

Page 35: ... 27 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 A B ...

Page 36: ...FDD Option 1 Locate the two FDD rails and screws from the FDD kit Secure the two rails to FDD using four screws 2 Connect the FFC cable to FDD 3 Using a screw driver to pull open the door of FDD tray 4 Insert FDD module into the tray FDD Rails Screws ...

Page 37: ...ctor on M1012 adapter board 6 Locate the FDD cable from FDD kit Connect the wrinkle side to the connector on M1012 adapter board Refer to the picture below for the correct direction 7 Connect the other side to the connector on motherboard For M1012 For Mainboard ...

Page 38: ...30 Chapter 2 Setting Up NOTE ...

Page 39: ...ions Use containers to keep small components separated Putting all small components in separate containers keeps them from becoming lost Adequate lighting and proper tools can prevent you from accidentally damaging the internal components 3 1 2 Tools The procedures that follow require only a few tools including the following A cross head Phillips screwdriver A grounding strap or an anti static pad...

Page 40: ...etal body of any other grounded appli ance Avoid touching motherboard components IC chips connectors memory modules and leads The motherboard is pre installed in the system When removing the motherboard always place it on a grounded anti static surface until you are ready to reinstall it Hold electronic circuit boards by the edges only Do not touch the components on the board unless it is necessar...

Page 41: ...t The following flowchart outlines the disassembly procedure Rear Components Chassis rear cover Air duct Mainboard DIMMs CPU heatsink assembly PCI card Mainboard Power supply Front Components FAN PCBs CD ROM M1012 Adapter Board Control Board HDD Backplane Chassis rear cover ...

Page 42: ...he Cover Before replacing any parts you must remove the chassis cover Follow these instructions to remove the cover of the Transport GT20 chassis cover 1 Remove the screw on the back side Then slide the chas sis cover in the direction of arrow 2 Lift the cover off ...

Page 43: ...oard 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 Disconnect ATX power cables 2 Disconnect CD ROM drive cable EPS 12V Power Main Power ...

Page 44: ...es from front panel USB fans and SATA connectors 3 4 2 Removing the Motherboard After removing all of those cables follow these instructions to remove the motherboard from the chassis 1 Remove eight screws securing the motherboard to the chassis 2 Remove the motherboard ...

Page 45: ...onents 37 3 5 Replacing the Slim CD ROM Follow these instructions to replace the CD ROM 1 Remove power and data cables from the slim CD ROM adapter 2 Press the tab in the directions as show to release the CD ROM drive Data Cable Power Cable ...

Page 46: ... be freed from the drive bay after pressing the tab 4 Remove two screws that secure CD ROM drive to the bracket 5 Replace the CD ROM drive 6 Secure CD ROM to the bracket using two screws Then replace the unit into the drive bay and connect the CD ROM power and data cables ...

Page 47: ...he LED Control Board Follow these instructions to replace the LED control board 1 Remove two screws securing LED control board unit to the chassis 2 Lift the LED control board unit free of the chassis 3 Remove three screws securing LED control board to the bracket ...

Page 48: ...40 Chapter 3 Replacing Pre Installed Components 4 Lift the LED control board free from the chassis After replacement insert the unit into the chassis ...

Page 49: ...ve all of those cables connected to the adapter board including fan cables CD ROM power cable front LED panel cable power cables and SATA cables SATA Cables CD ROM Power Cable 2x power cables on 1x power cable on M1012 SATA backplane Front panel control board cable Front Panel Fan Tach LAN ID ...

Page 50: ...42 Chapter 3 Replacing Pre Installed Components 2 Remove six screws to release the adapter board Refer to p 46 for the location Fan Cables ...

Page 51: ...10 Fan Connector J2 Front Panel Connector J6 Fan Connector FDD2 Slim FDD Connector J15 LCM Connector PW2 Power Connector JP1 Fan Input Select Connector J3 LAN ID LED Connector FDD1 Standard Floppy Connector J1 Front Panel Connector JP2 Fan Minimum Voltage Input Select Connector J4 Fan Tach PWM Connector J14 Fan Tach Connector J19 CD ROM Power Connector J8 PWM Connector J13 Fan Tach Connector ...

Page 52: ...WR_SW 7 RESET 8 PWR_SW 9 VOLTAGE5 10 WLED 11 EXT_INT 12 WLED 13 V5SB 14 KEY PIN 15 ICH_SMBDAT 16 GND 17 ICH_SMBCLK 18 INTRU 1 HDLED 2 HDLED 3 RESET 4 RESET 5 PW_LED 6 PW_LED 7 WLED 8 WLED 9 ICH_SMBDAT 10 ICH_SMBCLK 11 EXT_INT 12 VOLTAGE5 13 V5SB 14 INTRU 15 PWR_SW 16 PWR_SW 17 LAN1_LED 18 LAN1_LED 19 LAN2_LED 20 LAN2_LED 21 LAN3_LED 22 LAN3_LED 23 ID_LED 24 ID_LED 25 ID_SW 26 ID_SW 27 KEY PIN 28 N...

Page 53: ...W circuit design only It might be different from the system fan naming J4 Fan TACH PWM Connector J7 Fan TACH PWM Connector J8 PWM Connector 1 LAN1_LED 2 LAN1_LED 3 LAN2_LED 4 LAN2_LED 5 LAN3_LED 6 LAN3_LED 7 ID_LED 8 ID_LED 9 ID_SW 10 ID_SW 11 KEY PIN 12 NC 1 GND 2 NC 3 FAN1_TACH 4 PWM1 Default 1 GND 2 NC 3 FAN7_TACH 4 PWM1 Default 1 GND 2 PWM2 3 FAN1_TACH ...

Page 54: ...CH 3 GND 4 FAN2_TACH 5 GND 6 FAN3_TACH 7 KEY PIN 8 NC 1 GND 2 FAN1_TACH 3 GND 4 FAN2_TACH 5 GND 6 FAN3_TACH 7 GND 8 FAN4_TACH 9 GND 10 FAN5_TACH 11 GND 12 FAN6_TACH 13 GND 14 FAN7_TACH 15 GND 16 FAN8_TACH 17 GND 18 FAN9_TACH 19 GND 20 FAN10_TACH 21 KEY PIN 22 PWM 1 FAN1_12VPWM 2 FAN1_TACH 3 GND 4 GND 5 FAN2_TACH 6 FAN2_12VPWM ...

Page 55: ...47 J10 Fan Connector J11 Fan Connector J9 Fan Connector 1 FAN3_12VPWM 2 FAN3_TACH 3 GND 4 GND 5 FAN4_TACH 6 FAN4_12VPWM 1 FAN5_12VPWM 2 FAN5_TACH 3 GND 4 GND 5 FAN6_TACH 6 FAN6_12VPWM 1 FAN7_12VPWM 2 FAN7_TACH 3 GND 4 GND 5 FAN8_TACH 6 FAN8_12VPWM ...

Page 56: ...ct Connector JP2 Fan Input Select Connector 1 FAN9_12VPWM 2 FAN9_TACH 3 GND 4 GND 5 FAN10_TACH 6 FAN10_12VPWM 1 LCM_ 5V 2 LCM_SIN 3 KEY PIN 4 GND 5 LCM_ 5VSB 6 LCM_SOUT Pin1 Pin2 Close Fan PWM signal from J8 Pin2 Pin3 Close Fan PWM signal from J4 J7 J14 Default Pin1 Pin2 Close 0V Pin2 Pin3 Close 5V Default ...

Page 57: ...the SATA Backplane 1 After removing the M1012 adapter board disconnect those cables connected to the SATA backplane including SATA and power cables 2 Grab the two tabs to lift the SATA backplane off 3 Remove ten screws that secure the bracket to the adapter board ...

Page 58: ... 3 Replacing Pre Installed Components 4 Release the adapter board free from the bracket 5 After replacement place and secure the unit into the chassis following the reverse procedures from step 1 to 4 after done ...

Page 59: ...ter 3 Replacing Pre Installed Components 51 3 8 1 SAS SATA Backplane M1208 Features U4 SAS SATA4 Connector U3 SAS SATA3 Connector U2 SAS SATA2 Connector U1 SAS SATA 1 Connector HDD Access LED HDD Power LED ...

Page 60: ...52 Chapter 3 Replacing Pre Installed Components PW1 Power Connector J4 SAS SATA 4 J3 SAS SATA 3 J2 SAS SATA 2 J1 SAS SATA 1 PW2 Power Connector Connector Connector Connector Connector ...

Page 61: ...ly 1 Remove two screws securing the power supply to the chassis 2 Remove the screw securing fan assembly to the chassis 3 Lift the power supply free from the chassis After replace ment place and secure the unit into the chassis following the reverse procedures from steps 1 to 2 ...

Page 62: ...54 Chapter 3 Replacing Pre Installed Components NOTE ...

Page 63: ...nfiguration BIOS Setup Utility Advanced Hardware Health Configuration Enables Hardware Health Monitoring Device ÅÆ Select Screen ÇÈ Select Item Change Option F1 General Help F10 Save and Exit ESC Exit H W Health Function FAN Select AutoFAN1 Power Control PWM Minimal Duty Cycle FAN Fail LED Indicator Hardware Health Event Monitoring Enabled 3Pin FAN Enabled 10 Duty Cycle Enabled XMainboard Voltages...

Page 64: ...N Fail LED Indicator Hardware Health Event Monitoring Enabled 4Pin FAN Disabled Disabled Disabled XMainboard Voltages Report CPU1 Temperature Mainboard Ambient Temp FAN1 Speed FAN2 Speed FAN3 Speed FAN4 Speed xx ºC xxx ºF xx ºC xxx ºF xxxx RPM xxxx RPM xxxx RPM xxxx RPM S3970 B3970 U FAN Select 4Pin FAN 3Pin FAN Fan Power Control Disabled Enabled PWM Minimal Duty Cycle 10 Duty Cycle FAN Fail LED I...

Page 65: ... 1 SATA 2 Æ SATA 2 SATA 3 Æ SATA 3 SATA 4 Æ SATA 4 Table 2 System Fan to M1012 Adapter Board System Fan Connect to M1012 Fan 1 Æ J6 Fan Connector Fan 2 Æ J10 Fan Connector Fan 3 Æ J11 Fan Connector Fan 4 Æ J9 Fan Connector Fan 5 Æ J5 Fan Connector Table 3 M1012 Adapter Board to Motherboard M1012 Connect to Motherboard Fan J14 Æ J25 J27 J7 Æ J20 ...

Page 66: ...connector P2 8 pin power cable Æ PW2 8 pin connector Table 5 Power Supply to M1012 Adapter Board Power Supply Connect to M1012 P3 4 pin power cable Æ PW2 4 pin connector Table 6 Power Supply to M1208 SATA Backplane Power Supply Connect to M1204 P4 4 pin power cable v PW1 4 pin connector P6 4 pin power cable Æ PW2 4 pin connector ...

Page 67: ... Front Panel Control Board Related Cable M1003 J1 USB connector Æ Motherboard J22 USB2 M1003 J2 connector Æ M1012 J2 connector Table 9 CD ROM Related Cable Motherboard PRE IDE con nector Æ CD ROM Backplane M1012 J19 power connector Æ CD ROM Backplane Table 10 FDD Related Cable Option M1012 FDD1 connector Æ Motherboard JB1 FDD M1012 FDD2 connector Æ Slim FDD drive ...

Page 68: ...nformation on installing SMDC cards You may refer to the following for installing M3289 or M3290 into HDD tray or chassis Screws List including screws for Rail A Flat 6 32 x4 x16 B B type 6 32 x4 C M4 4L x8 D M4 5L x4 E M4 8L x8 F M4 15L x2 G 13 5mm stand off x1 A B C D E F G ...

Page 69: ...61 Installing M3289 into HDD Tray 1 Fold up the cable 2 a Choose a HDD tray b Insert the cable into the rear of HDD tray c Pull the cable out 3 Connect the cable to M3289 ...

Page 70: ...screws as illustrated 5 Secure M3289 onto HDD tray as illustrated 6 Insert and secure the HDD tray NOTE For internal or dummy HDD tray secure the HDD tray with 1 or 2 screws 7 Arrange and connect the cable to SMDC connector on mainboard Be careful not to block the air flow ...

Page 71: ... off of 13 5mm to the location of M2 stand off as illustrated on SMDC bracket 2 Secure M3290 in reverse to 4 M2 stand offs on bracket 3 a Choose a HDD tray NOTE Refer to the location of SMDC connector on mainboard for choosing a HDD tray b Secure SMDC to the HDD tray ...

Page 72: ... 4 a Inset the cable into the rear of HDD tray b Connect the cable to M3290 c Insert and secure HDD tray 5 Arrange and connect the cable to SMDC connector on mainboard Be careful not to block the air flow ...

Page 73: ...now may not support the pro cedures below We ll provide you with the upgraded models as soon as possible 1 Disconnect the power connectors on HDD backplane and M1012 2 Push the power cables aside 3 Align M3290 with 4 M2 PC stand offs Secure M3290 to mainboard with 4 screws ...

Page 74: ...66 4 Connect the cable to M3290 Arrange and connect the cable to SMDC connector on mainboard Be careful not to block the air flow 5 Reconnect the power connectors on HDD backplane and M1012 ...

Page 75: ...67 NOTE ...

Page 76: ...ccess resources such as in depth Linux Online Support sections with downloadable Linux drivers and comprehensive compatibility reports for chassis memory and much more With all these convenient resources just a few keystrokes away users can easily find the latest software and operating system components to keep their systems running as powerful and productive as possi ble Tyan also ranks high for ...

Page 77: ...due to the alteration mis use abuse or improper maintenance of products NOTE A receipt or copy of your invoice marked with the date of purchase is required before any warranty service can be rendered You may obtain service by calling the manufacturer for a Return Merchandise Authorization RMA number The RMA number should be prominently displayed on the outside of the shipping carton and the packag...

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