User's Manual - ELTEC Elektronik AG
Contents
1. User s Manual 2MB User Flash PPC750CX e optional 256 KB L2 Cache Processor Bus 100 MHz 64 Bit Flash EPROM 512 KB Boot RevEPROM Peripheral Bus IC Bus nvSRAM 8 Bit 2 KB User MPC 107 SODIMM 32 256 MB Serial 1 2 Memory Bus 100 MHz 64 Bit PCI Bus HEX Switch 33 MHz 32 Bit LED Display Ethernet Watchdog 10 100 MBit PCISA Interface PISA Connector PCI Bus 33 MHz 32 Bit PCI Slot 1 PCI Slot 2 PCI Slot 3 PCI Slot 4 1 6 BAB 911 User s Manual 2 Installation 2 1 BAB 911 VO Figure 2 1 Connection Diagram Serial 2 Status LEDs Ethernet Serial 1 BAB 911 Installation c O 2 S T a 5 a rb A D et 5 Installation User s Manual 2 1 1 What s needed for Installation The BAB 911 must be installed into a PISA backplane A terminal or a PC with a terminal emulator program connected to serial 1 and set to 9600 baud 8 bit no parity is needed to check boot messages and to change boot settings If the operating system is booted over Ethernet a network connection is needed 2 1 2 SODIMM Installation The BAB 911 requires one 144 pin SODIMM SDRAM module that supports CAS latency 2 at 100 MHz to be fitted into the SODIMM socket X701 These modules are currently available with a capacity of up2. ELTEC esas BAB 911 PowerPC 755 Based CompactPCI Board MANUAL Revision 1B ELTEL WAR Revision oA First Edition 17 01 02 abr 1A First Edition valid for Hardware revision 1B 05 02 02 GM 1B Disclaimer new 08 11 06 hh DISCLAIMER Copyright 2006 ELTEC Elektronik AG The information data and figures in this document including respective references have been verified and found to be legitimate In particular in the event of error they may therefore be changed at any time without prior notice The complete risk inherent in the utilization of this document or in the results of its utilization shall be with the user to this end ELTEC Elektronik AG shall not accept any liability Regardless of the applicability of respective copyrights no portion of this document shall be copied forwarded or stored in a data reception system or entered into such systems without the express prior written consent of ELTEC Elektronik AG regardless of how such acts are performed and what system is used electronic mechanic photocopying recording etc All product and company names are registered trademarks of the respective companies Our General Business Delivery Offer and Payment Terms and Conditions shall otherwise apply Federal communications commission statement This device complies with FCC Rules Part 15 Operation is subject to the following two conditions This device may not cause harmful interference and
3. 44 AD6 AD3 3 2 BAB 911 User s Manual User s Manual Connector Assignments 45 AD4 AD1 46 AD2 ADO 47 48 VCC VI O 49 VCC VCC 50 VCC GND GND 51 GND GND 52 GND L oc 0 SE D cc co ET O o0 BAB 911 3 3 Connector Assignments User s Manual J0oj9ouuoQg 3 LR 5 3 D 5 eh 3 4 BAB 911 User s Manual Board Parameters 4 Board Parameters 4 1 Host Bus 100 MHz 4 2 PCI Local Bus CPU to PCI Transfer Options Write post buffer Max 120 MByte s peak PCI to Memory Transfer Options Max 120 MByte s peak Clock Speed 33 3 MHz IRQs Four PCI interrupts 4 3 Network 10BaseT 100BaseTx twisted pair Transfer Speed max 10 100 Mbit s BAB 911 o od o E i c n UV 9 o 3 in p N Board Parameters User s Manual 4 4 Serial VO 2 Channels Full duplex asynchronous 50 b s 115 2 Kbit s 16 Byte Transmit and Receive FIFO RS232 level 4 5 MTBF Values Include one 64 MByte SODIMM 81 774 h computed after MIL HDBK 217E 1 095 775 h realistic value from industry stand experience 4 6 ESD Values 2 kV Human body method 4 7 Environmental Conditions Storage Temperature 40 C 70 C non condensing Operating Temperature 0 C 55 C 1 m s forced air cooling 4 2 BAB 911 User s Manual Board Parameters 4 8 Maximum Operating Humidity 85 relative 4 9 Powe
4. This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with gt gt manufacturer s instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation 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 correct the interference by one or more of the following measures gt Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The us of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the use
5. operating system or the BSP one may be used by the OS The additional CPU internal decrementer is used for generating the OS ticker interrupt 1 2 9 Non volatile Memory A non volatile memory for storing system boot parameters 512 B is mounted on the board and additionally 2 KB user memory that is not used by ELTEC User memory is implemented in a non volatile RAM using a combination of SRAM and EEPROM The EEPROM is automatically programmed with SRAM data during power down and supplies data to the SRAM during power up Data transfer rate is 5 MByte s Only byte access is allowed 1 4 BAB 911 User s Manual Specification 1 2 10 Operating systems The software support for the BAB 911 includes the board support package for OS 9 3 0 1 2 11 On board VO All on board I O 2 serial and 100BaseTx is routed to the front panel 1 2 12 Miscellaneous Due to the use of a PISA connector the number of external PCI slots is limited to 4 If more than 4 external slots are needed a back plane with an integrated PCI PCI bridge must be used 1 2 13 Related Documents IBM PowerPC 750CX 750CXe RISC Microprocessor User s Manual This is the CPU manufacturer s description of the PowerPC itself and the assembly language command set Motorola MPC 107 PCI Bridge Memory Controller User s Manual BAB 911 1 5 c o 2 E o o Q dy Specification Figure 1 1 Block Diagram
6. to 256 Mbyte In the near future there may also be 512 Mbyte modules that are supported by the BAB 911 The firmware reads the type and size of the SODIMM from the SPD Serial Presence Detect EEPROM installed on the memory module and tests the module If the test fails or the firmware reports the wrong size the module is not suitable for the BAB 911 2 2 BAB 911 User s Manual Installation 2 1 3 Status LEDs There are four status LEDs on the front panel of the BAB 911 The LEDs are controlled by software Figure 2 2 LEDs AEK 3 2 1 0 c O 2 S T a 2 1 4 Ethernet Status LEDs At the ethernet connector there are two LEDs indicating link status and network activity Figure 2 3 Ethernet Status LEDs OC Activity Edi i erne Link o o o o o o o o o BAB 911 2 3 5 a b A D et 5 Installation User s Manual Table 2 1 Ethernet Status LEDs LED Color Description Activity Green Board power ok network not initialized or no link pulses Yellow Network activity off Link pulses detected no network activity Link Green 100 Mbit s link pulses detected Yellow 10 Mbit s link pulses detected Off No link pulses detected 2 4 BAB 911 User s Manual Connector Assignments 3 Connector Assignments Please check the connector assignments before using any interface 3 1 Front Panel Connectors 3 1 1 Ethernet Conn
7. which enables easy code updates The current boot proms contains self test code PCI initialization routines as well as OS boot code for OS 9 via Ethernet BootP 1 2 5 Ethernet Interface The network interface uses the network controller i82559ER for 10 100 Mbit s transfers with 10BaseT twisted pair or 100Base TX connectivity Automatic speed detection is included A Link LED and an Activity LED allow an easy check whether the Ethernet connection works 1 2 6 Serial VO Two asynchronous 16550 compatible serial channels with up to 115 KBaud transfer rate and 16 byte FIFO with RS232 levels are available BAB 911 1 3 c o 2 E o o Q dy o o D Q E O 0 et 5 Specification User s Manual 1 2 7 PISA Interface The PISA interface is implemented with system slot capabilities for 32 bit PCI systems It features transfer rates of up to 128 MByte s between board internal resources and PISA devices The PISA interface uses only the PCI bus signals The board must occupy the PCI system slot and it will set up all PCI peripherals on the PCI back plane The board can drive PCI buses passive back planes with up to 4 peripheral slots all of them can obtain bus mastership DMA 1 2 8 Timer The BAB 911 has four programmable timers located in the MPC 107 for timing interrupts in the 1 us to 1000 ms range Three of these timers are intended for use with user written drivers they are not used by the
8. 2 Boot ROM Select J601_ 1 5 2 External ROM Select J601 2 5 2 External ROM Chipselect J601 3 5 2 Revision PROM Write Protection J201 5 2 Memory Address Map 6 2 Watchdog Address Assignment 6 4 Configuration Switch Address Assignment 6 4 Status Display Address Assignment 6 5 Non Volatile RAM Address Assignment 6 5 BAB 911 User s Manual List of Figures Figure 1 1 Figure 2 1 Figure 2 2 Figure 2 3 Figure 5 1 Figure 6 1 Figure 6 2 Table of Contents BAB 911 Table of Contents User s Manual VI BAB 911 User s Manual Specification 1 Specification c o 2 E o o Q dy 1 1 Main Features e PowerPC based PCISA CPU board e PCI master interface e CPU PowerPC 750CX e 400 MHz e 256 KB on chip L2 cache e Up to 256 MByte SDRAM on SODIMM e 10 100 Mbit s network interface 10BaseT 100BaseTX e Two serial channels e 2 KB nvSRAM for storing application process data e PCISA PISA format with PCI interface for up to 4 slots e OS 9 BSP support BAB 911 1 1 o o D Q E O 0 et 5 Specification User s Manual 1 2 Specification Details The BAB 911 is a PowerPC based single board computer with a PISA interface The small format permits setting up small industrial realtime systems The board is base
9. 5 MTBF Values ese ee ee ee ed ee Se Gee se edt ee ede 4 2 4 6 ESD Values iss si dress acea te andae 4 2 4 7 Environmental Conditions sse 4 2 4 8 Maximum Operating Humidity ssesssss 4 3 4 9 Power Requirements 4 3 Il BAB 911 User s Manual Table of Contents OR IT TIER EE ET OR TTE 5 1 5 1 On board Jumpers 5 1 5 1 1 User settable Jumpers ii ee se RA Ee AA ee 5 2 6 Apperidlx eite nr VR EE EE ee Ee EE 2e 6 1 6 1 Description of On board Devices sssss 6 1 6 1 1 Memory Address Map is ee esse ee ee Re ee Ge Re ee ee 6 2 6 1 2 Interrupt Controller 6 3 6 1 3 Watchdog edi bed euet aedi 6 4 6 1 4 Configuration Switch 6 4 6 1 5 Status Display 6 5 6 1 6 Non Volatile RAM 6 5 6 1 7 Serial Controller 6 6 6 1 8 Soft Reset in i deinen 6 6 6 1 9 Turbo Mode eine henidrerit 6 6 BAB 911 il Table of Contents User s Manual List of Tables Table 2 1 Table 3 1 Table 3 2 Table 3 3 Table 5 1 Table 5 2 Table 5 3 Table 5 4 Table 6 1 Table 6 2 Table 6 3 Table 6 4 Table 6 5 Ethernet Status LEDs ETHERNET 8 pin Telephone Jack Connector 3 1 COM1 COM2 9 pin min D Connector 3 1 PISA Connector riseire niii 3
10. 6 1 8 Soft Reset The BAB 911 can be reset by writing bit 0 observe byte ordering of the Processor Initialization Register PI in the MPC 107 at offset 0x41090 of the Embedded Utilities Memory Block This will entirely reset the system 6 1 9 Turbo Mode As long as the Flash EPROMs are not accessed the BAB 911 can be operated in a turbo mode by setting the ROMFAL field in MCCRI of the MPC 107 to 3 This halves the cycle times of the nvSRAM serial controller LED configuration switch and watchdog 6 6 BAB 911 NOTES
11. cables are not damaged If you detect any damage contact your dealer immediately To avoid short circuits keep paper clips screws and staples away from connectors slots sockets and circuitry Avoid dust humidity and temperature extremes Do not place the product in any area where it may become wet Place the product on a stable surface If you encounter technical problems with the product contact a qualified service technician or your retailer EMC Rules This unit has to be installed in a shielded housing If not installed in a properly shielded enclosure and used in accordance with the instruction manual this product may cause radio interference in which case the user may be required to take adequate measures at his or her own expense ELTEL systems IMPROTANT INFORMATION This product is not an end user product It was developed and manufactured for further processing by trained personnel RECYCLING Please recycle packaging environmentally friendly amp Packaging materials are recyclable Please do not dispose packaging into domestic waste but recycle it Please recycle old or redundant devices environmentally sd friendly Old devices contain valuable recyclable materials that should be reutilized Therefore please dispose old devices at collection points which are suitable User s Manual Table of Contents Table of Contents T Specification 5 eere eren 1 1 1 1 Main Features 1 1 1 2 Spe
12. cification Details 1 2 1 2 1 CPU Kernel tire denies 1 2 1 2 2 Memory Configuration 1 2 4 2 3 Chip S t ii ER pet d Ti Tee ce int 1 3 1 2 4 Boot PROM iiid iii ted edited eed 1 3 1 2 5 Ethernet Interface 1 3 1 2 0 Se al Q na MR EE en Ee aL et e el 1 3 1 2 7 PISA Interface iis unir Se GE ee ee Ee tin 1 4 1 2 8 Toro o doas e e e Ed an i 1 4 1 2 9 Non volatile Memory 1 4 1 2 10 Operating systems 1 5 1 2 11 On board l O e easet 1 5 1 2 12 Miscellaneous 1 5 1 2 13 Related Documents 1 5 EEUE ie EE EE EE EN aa 2 1 2 1 BAB OT NVO ait det een d ee dort 2 1 BAB 911 I Table of Contents User s Manual 2 1 1 What s needed for Installation 2 2 2 1 2 SODIMM Installation 2 2 2 1 3 Status LEDS 5 needed ge gee eed ge 2 3 2 1 4 Ethernet Status LEDs 2 3 3 Connector Assignments eee 3 1 3 1 Front Panel Connectors 3 1 3 1 1 Ethernet Connector eeeseeeeeeees 3 1 3 1 2 Serial Ports 1 and 2 Connectors 3 1 3 1 3 PISA Connector 3 2 4 Board Parameters s 4 1 4 1 Host BUS din ied deed tage ede dol 4 1 4 2 PCI Local BUS ode ec ahead nest 4 1 4 3 Network isset ende deside t dede 4 1 4 4 Serial l O 1 tee I diced d se dort 4 2 4
13. d on the Motorola MPC 107 chip the reference for PowerPC designs Also availability for longer periods than what is common in the PC market is guaranteed 1 2 1 CPU Kernel An up to date PowerPC CPU is supported PowerPC 750CXe compatible to the PowerPC 750 at 400 MHz The CPU has FPU MMU first level cache 32KB each for instruction and data and a L2 cache 256 KB unified on the chip It contains dual integer units that can operate in parallel for certain instructions the floating point unit is optimized for fast single precision multiply add operations Performance is characterized by the SPECint numbers of 17 4 and SPECfp 11 7 1 2 2 Memory Configuration The 64 bit wide memory allows configurations of up to 256 512 when available MByte with 100 MHz SDRAMs in a single SODIMM module The implementation in SODIMM has been selected due to the smaller size and thus shorter signals compared to standard DIMM modules Memory size is detected automatically The second level cache due to its location in the CPU itself runs with the full CPU clock 1 2 BAB 911 User s Manual Specification 1 2 3 Chip set The chip set a Motorola MPC 107 contains the SDRAM memory controller the interrupt controller and the PCI host bridge for 32 bit 33 MHz PCI Additionally it has logic to access an 8 bit wide ROM it has timers a DMA controller and it generates clocks 1 2 4 Boot PROM Boot code is stored in a Flash EPROM size 512 KB
14. e reset After power on or hardware reset the watchdog is disabled It will be enabled and a write cycle Retriggering occurs by at least one write and one read cycle within the timeout period Table 6 2 Watchdog Address Assignment Address Description 7BFFFO000 first write cycle enables watchdog following read and write cycles retrigger watchdog 6 1 4 Configuration Switch Table 6 3 Configuration Switch Address Assignment Address Description 78000001 read byte get hex value in the 4 LSBs 4 MSBs are always 0 write byte not allowed 6 4 BAB 911 User s Manual Appendix 6 1 5 Status Display Figure 6 2 LEDs Lee 3 2 1 0 Table 6 4 Status Display Address Assignment Address Description 78000002 read byte reads undefined data write byte the LEDs correspond to the 4 LSBs 6 1 6 Non Volatile RAM Table 6 5 Non Volatile RAM Address Assignment Address Description FF000000 2 KByte of nvSRAM FFOO7FFF only byte access allowed x T o Q 2 lt BAB 911 6 5 gt D o 3 2 x Appendix User s Manual 6 1 7 Serial Controller The BAB 911 uses a ST16C2552 dual universal asynchronous receiver and transmitter UART which is clocked with 24 MHz It is recommended to use the addresses FF7FFFFO to FF7FFFF7 for serial channel 1 and FF7FFFF8 to FF7FFFFF for serial channel 2
15. ector Table 3 1 ETHERNET 8 pin Telephone Jack Connector n 2 c Pin Signal e 1 TXD SE 2 TXD 1 8 ES 3 RXD tt S 4 nc D OD 5 nc 6 RXD Front View 7 ne 8 nc 3 1 2 Serial Ports 1 and 2 Connectors Table 3 2 COM1 COM2 9 pin min D Connector Pin Signal DCD RXD Front View TXD DTR Pin 1 GND DSR RTS CTS RI oo AN SA Pe Ne BAB 911 3 1 JO128UUO9 3 LE 5 3 D 5 e a Connector Assignments 3 1 3 PISA Connector Table 3 3 PISA Connector Pin ISA Bus PClbus top layer bot layer top layer bot layer up row up row low row low row 1 GND I2CLK I2DAT 2 GND GND 3 VCC INTB INTA 4 INTD INTC 5 VCC VCC 6 7 12V VCC VI O 8 PCIRST PCICLK2 9 12V GNT 0 GND 10 GND REO O GNT 1 11 GND GND 12 PCICLK1 REQ 1 13 GND AD31 14 AD30 AD29 15 REQ 2 PCICLK3 16 17 GNT 2 PCICLK4 18 AD28 AD27 19 AD26 AD25 20 AD24 CBE 3 21 AD22 AD23 22 AD20 AD21 23 AD18 AD19 24 PWRGDIN REQ 3 25 26 GND GNT 3 27 AD16 AD17 28 FRAME IRDY 29 VCC CBE 2 DEVSEL 30 TRDY LOCK 31 GND STOP PERR 32 33 GND SERR 34 AD15 35 CBE 1 AD14 36 PAR AD12 37 GND GND 38 39 GND M66EN 40 AD13 AD10 41 AD11 AD8 42 AD9 AD7 43 CBE 0 AD5
16. n Ff80 0000 FF87 FFFF mc System Flash EEPROM FF88 0000 FFBF FFFF Ssh mirrored System Flash EEPROM FFC0 0000 FFDF FFFF EE optional Flash EEPROM FFE0 0000 FFFF FFFF mirrored optional Flash EEPROM J601 pin 1 2 open pin 3 4 short FF80 0000 FF87 FFFF System Flash EEPROM FF88 0000 FFCF FFFF mirrored System Flash EEPROM FFC0 0000 FFC7 FFFF Emergency Flash EEPROM FFC8 0000 FFFF FFFF mirrored Emergency Flash EEPROM 6 2 BAB 911 User s Manual Appendix 6 1 2 Interrupt Controller Figure 6 1 BAB 911 Interrupt Diagram Timer 0 Timer 1 Timer 2 Timer 3 DMA 0 DMA 1 MU INT PPC 750 PC Vector PCI INT A RQ 0 Priority PCI INT B IRQ 1 PCI INT C _ IRQ 2 PCI INT D IRQ 3 MPC 107 EPIC Ethernet IRQ4 com1 OR COM2 This diagram shows how the on board interrupt sources are connected to the interrupt controller located in the MPC 107 chipset This chip then prioritizes and drives the CPU interrupt input The priority of the several interrupts is programmable by software x T o Q 2 lt BAB 911 6 3 gt D o 3 2 x Appendix User s Manual 6 1 3 Watchdog The watchdog has a cycle time of typ 1 6 sec 1 0 2 4 sec If not retriggered within this time the watchdog is generating a hardwar
17. o need to address these devices with user written code BAB 911 6 1 zs T o Q 2 lt Appendix User s Manual 6 1 1 Memory Address Map The BAB 911 uses address map B CHRP of the MPC107 After initialization the following address map becomes effective Table 6 1 Memory Address Map CPU Address PCI Address Device 0000 0000 3FFF FFFF local RAM 4000 0000 77FF FFFF reserved 7800 0001 hex switch bit 0 3 read only 7800 0002 LED bit 0 3 write only 7800 0003 7BFF EFFF a reserved 7BFF FO000 7BFF FFEF enable retrigger watchdog 7C00 F001 7FFF FFFF see reserved 8000 0000 FCDF FFFF 8000 0000 FCDF FFFF PCI memory space FCE0 0000 FCEF FFFF LT Embedded utilities memory block of MPC 107 FCF0 0000 FDFF FFFF FCF0 0000 FDFF FFFF PCI memory space FE00 0000 FE00 FFFF 0000 0000 0000 FFFF PCI ISA I O space FE01 0000 FE7F FFFF 0001 0000 007F FFFF reserved FE80 0000 FEBF FFFF 0080 0000 00BF FFFF PCI I O space FECO 0000 FEDF FFFF CONFIG_ADDR PCI configuration address register FEE0 0000 FEEF FFFF CONFIG DATA PCI configuration data register FEF0 0000 FF7F FFFF EE reserved FF00 0000 FF3F FFFF non volatile RAM FF40 0000 FF7F FFFF aces Dual UART J601 pin 1 2 open pin 3 4 open FF80 0000 FF9F FFFF optional Flash EEPROM FFA0 0000 FFBF FFFF mirrored optional Flash EEPROM FFC0 0000 FFC7 FFFF DER System Flash EEPROM FFC8 0000 FFFF FFFF e mirrored System Flash EEPROM J601 pin 1 2 short pin 3 4 ope
18. r Requirements Total Power Requirements with one 64 MByte SODIMM without PCI extensions 4 A max 1 8 A typ 5 VDC 5 100 mA max 30 mA typ 12 VDC 10 100 mA max 10 mA typ 12 VDC 10 o od o i n BAB 911 4 3 Board Parameters User s Manual UV 0 E 3 in e N 4 4 BAB 911 User s Manual Jumpers 5 Jumpers 5 1 On board Jumpers Figure 5 1 Parts Side Jumpers 1 e Nc 7 7 J601 2 J601 3 BAB 911 5 1 Jumpers User s Manual 5 1 1 User settable Jumpers Table 5 1 Boot ROM Select J601 1 J601 1 Description open Boot from Boot ROM default Short Boot from User ROM if present Table 5 2 External ROM Select J601 2 J601 2 Description open Boot ROM selected by J601 1 default Short Boot from external ROM if present Table 5 3 External ROM Chipselect J601 3 J601 3 Description Used for chipselect of external ROM Table 5 4 Revision PROM Write Protection J201 J1601 Description Open Revision PROM is write protected short Revision PROM is write enabled default 5 2 BAB 911 User s Manual Appendix 6 Appendix 6 1 Description of On board Devices This chapter describes how the on board devices are accessed by operating system drivers When an operating system such as OS 9 and VxWorks is used there should be n
19. r s authority to operate this equipment Canadian department of communications statement S This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications S This class B digital apparatus complies with Canadian ICES 003 SAFETY INFORMATION Electrical safety To prevent electrical shock hazard disconnect the power cable from the electrical outlet before reloading the system gt gt gt gt When adding or removing devices to or from the system ensure that the power cables for the devices are unplugged before the signal cables are connected If possible disconnect all power cables from the existing system before you add device Before connecting or removing signals cables from motherboard ensure that all power cables are unplugged Make sure that your power supply is set to the correct voltage in your area If you are not sure about the voltage of the electrical outlet you are using contact your local power company If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer Operation safety gt gt gt gt Before installing the motherboard and adding devices on it carefully read the manuals that came with the package Before using the product make sure all cables are correctly connected and the power
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