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BCT-ETX-C3-XXX

ETX format Single Board PC

User Manual

Document Reference

BCTETXC3 Manual

Document Issue Level

1.3

Manual covers PCBs with the following Issue

1.x

(where 'x' is any alphanumeric).

Blue Chip Technology Ltd.
Chowley Oak
Tattenhall
Chester
CH3 9EX
U.K.

Telephone:

+44 (0)1829 772000

Facsimile:

+44 (0)1829 772001

www.bluechiptechnology.co.uk

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Summary of Contents for BCT-ETX-C3-XXX

Page 1: ...nce BCTETXC3 Manual Document Issue Level 1 3 Manual covers PCBs with the following Issue 1 x where x is any alphanumeric Blue Chip Technology Ltd Chowley Oak Tattenhall Chester CH3 9EX U K Telephone 44 0 1829 772000 Facsimile 44 0 1829 772001 www bluechiptechnology co uk ...

Page 2: ...ibility 6 WARNING 7 USER GUIDE 8 MANUAL ORGANISATION 8 OVERVIEW 9 BCT ETX C3 XXX PROCESSOR BOARD PHOTO 10 5 VOLT POWER 14 5 VOLT STAND BY POWER 14 BOARD LAYOUT 15 Top Surface of the PCB 15 INSTALLATION 16 MOUNTING 16 THERMAL PLATE 17 CONNECTOR PIN ASSIGNMENT 18 COOLING 32 CABLING 32 EMC ISSUES 33 INTERRUPT ASSIGNMENT TABLE 34 DIRECT MEMORY ACCESS CHANNELS DMA 35 I O ADDRESS MAP HEX 35 MEMORY ADDRE...

Page 3: ...IOS SETTINGS 37 LOADING OPERATING SYSTEMS DRIVERS 37 PROGRAMMING THE BOARD 38 PROGRAMMING THE BOARD 38 User EEPROM 38 Watchdog facility 38 Accessing Software INT 50h Functions 39 MAINTENANCE 40 TROUBLESHOOTING GUIDE 41 AMENDMENT HISTORY 42 ...

Page 4: ...ology s design and manufacturing procedures are strictly controlled ensuring the highest levels of quality reliability and performance Blue Chip Technology are committed to the single European market and continue to invest in the latest technology and skills to provide high performance computer and electronic solutions for a world wide customer base COPYRIGHT All rights reserved No part of this pu...

Page 5: ...mers PC Sourcebook Microsoft The Winn L Rosch Hardware Bible Brady TRADEMARKS All trademarks and registered names acknowledged IBM PC AT and PS 2 are trademarks of International Business Machines Corporation IBM Phoenix BIOS is a trademark of Phoenix Technologies Inc Intel is a registered trademark of the Intel Corporation All 80x86 and Pentium processors are registered trademarks of Intel Corpora...

Page 6: ...BOARD BATTERY The BCT ETX C3 XXX board does not have an on board lithium cell connected however the base board to which it connects may be equipped with a cell To that end the following precautions apply and should be observed If the battery is mistreated in any way there is a very real possibility of fire explosion and harm Great care should be taken with this type of battery Under NO circumstanc...

Page 7: ...nnector shells that connect around the full circumference of the cable screen they are far superior to those that earth the screen by a simple pig tail The keyboard and mouse will play an important part in the compatibility of the processor card since they are ports into the board Similarly they will affect the compatibility of the complete system Fully compatible peripherals must be used otherwis...

Page 8: ...re the various items are located Installation and associated issues Using the board including the peripherals Troubleshooting guide Connector Pin Out details We strongly recommend that you study this manual carefully before attempting to interface with BCT ETX C3 XXX or change the standard configurations Whilst all the necessary information is available in this manual we would recommend that unles...

Page 9: ...ad and write burst mode bus cycles and includes separate on chip code and data caches which employ a write back policy Cache is integrated within the CPU and operates at the full CPU frequency giving excellent performance Cache size is 128K L1 and 64K L2 Also integrated into the processor is an advanced numeric co processor which significantly increases the speed of floating point operations whils...

Page 10: ...BCT ETX C3 XXX SINGLE BOARD COMPUTER USER GUIDE BCT ETX C3 XXX PROCESSOR BOARD PHOTO ...

Page 11: ...pport for parity memory Cache 128KB L1 and 64KB L2 Cache is integrated into the CPU Solid State Disk ADC ATA Flash site for onboard Flash optional Note height when fitted Onboard Peripherals Graphics Integrated AGP x4 Graphics controller based on S3 Savage 4 CRT SVGA at 1600 x 1200 resolution Direct LCD support for STN DSTN and TFT up to 18 bit Dual channel LVDS for up to 18 bit panels Selection b...

Page 12: ...ort with Bi directional EPP ECP Floppy interface with support for dual 1 44MB FDD Note the floppy or parallel port are an option that is determined at boot time by strapping a pin on the base board ie if floppy port selected then there is no parallel port and vice versa PS 2 compatible keyboard and mouse port Connector located on baseboard Miscellaneous PC standard Real Time Clock is integrated in...

Page 13: ...t All other devices are driven from 5V General and Operational Specifications Operating temperature range 0 C to 60 C 20 C to 70 C Storage Specially engineered 2mm thermal plate designed to assist cooling of CPU and North bridge This plate does not provide cooling in its own right but acts as a heat spreader for heat sink fan cooling This solution is required on high end CPU options Relative Humid...

Page 14: ...nd by Power Consumption 120 mA peak 266 MHz C3 CPU 130 mA peak 400 MHz C3 CPU 150 mA peak 800 MHz C3 CPU 180 mA peak 1000 MHz C3 CPU Temperature Non Operating 20 ºC to 70 ºC Operating 0 ºC to 60 ºC Heatsinks and airflow will be required for the higher limits EMC Emissions EN 55022 A Immunity EN 55024 MTBF Calculated 100 000 Hrs Dimensions Board heat spreader 114 x 95 x 12mm Large heatsink may incr...

Page 15: ... TOP SURFACE OF THE PCB Via C3 CPU ATA Disk Chip Via PN133T NB Via 686B SB SDRAM SODIMM Figure 1 BCT ETX C3 XXX PCB Top View Main Component Positions See the section BCT ETX C3 XXX Connectors for details of individual signals on the connectors Pin1 Ethernet BIOS ...

Page 16: ... been removed This includes the 5volt supply the 5V stand by supply and the external Lithium cell or RTC back up battery Figure 2 BCT ETX C3 XXX PCB Top View Showing Mounting Hole Positions All Dimensions in millimetres Please note that the spacing alignment for the ETX module connectors and the baseboard connectors differs by 0 6mm Where the spacing of X1 and X2 from X3 and X4 is 109 2mm on the m...

Page 17: ...les to the heat generating components of the BCT ETX C3 XXX namely the North Bridge chip and the CPU itself This uniform thermal interface allows the user to apply an appropriate cooling solution such as a fan heat sink heat pipe or chassis fixing The heat spreader plate is not a heat sink but may provide adequate cooling for lower power CPUs running non CPU intensive applications Clearance slots ...

Page 18: ...1 CBE0 32 AD7 33 AD8 34 AD9 35 GND 36 GND 37 AD10 38 AUXAL 39 AD11 40 MIC 41 AD12 42 AUXAR 43 AD13 44 ASVCC 45 AD14 46 SNDL 47 AD15 48 ASGND 49 CBE1 50 SNDR 51 VCC 52 VCC 53 PAR 54 SERR 55 PERR 56 NC 57 PME 58 USB2 59 LOCK 60 DEVSEL 61 TRDY 62 USB3 63 IRDY 64 STOP 65 FRAME 66 USB2 67 GND 68 GND 69 AD16 70 CBE 2 71 AD17 72 USB3 73 AD19 74 AD18 75 AD20 76 USB0 77 AD22 78 AD21 79 AD23 80 USB1 81 AD24...

Page 19: ...22 32 IRQ10 33 LA23 34 IOCS16 35 GND 36 GND 37 SBHE 38 MEMCS16 39 SA0 40 OSC 41 SA1 42 BALE 43 SA2 44 TC 45 SA3 46 DACK2 47 SA4 48 IRQ3 49 SA5 50 IRQ4 51 VCC 52 VCC 53 SA6 54 IRQ5 55 SA7 56 IRQ6 57 SA8 58 IRQ7 59 SA9 60 SYSCLK 61 SA10 62 REFRESH 63 SA11 64 DREQ1 65 SA12 66 DACK1 67 GND 68 GND 69 SA13 70 DREQ3 71 SA14 72 DACK3 73 SA15 74 IOR 75 SA16 76 IOW 77 SA18 78 SA17 79 SA19 80 SMEMR 81 IOCHRD...

Page 20: ... 40 VCC 41 I2CDAT 42 LTGIO FLM 43 I2CCLK 44 BLON 45 BIASON LP 46 DIGON 47 NC 48 NC 49 NC 50 NC 51 LPT FLPY 52 NC 53 VCC 54 GND 55 STB RSVD 56 AFD DENSEL 57 RSVD 58 RSVD 59 IRRX 60 ERR HDSEL 61 IRTX 62 PD6 RSVD 63 RXD2 64 INIT DIR 65 GND 66 GND 67 RTS2 68 PD5 RSVD 69 DTR2 70 SLIN STEP 71 DCD2 72 PD4 DSKCHG 73 DSR2 74 PD3 RDATA 75 CTS2 76 PD2 WP 77 TXD2 78 PD1 TRK0 79 RI2 80 PD0 INDEX 81 VCC 82 VCC ...

Page 21: ...DE_IRQ 40 PIDE_A1 41 BATLOW 42 SIDE_33 66 43 SIDE_AK 44 PIDE_IRQ 45 SIDE_RDY 46 PIDE_AK 47 SIDE_IOR 48 PIDE_RDY 49 VCC 50 VCC 51 SIDE_IOW 52 PIDE_IOR 53 SIDE_DRQ 54 PIDE_IOW 55 SIDE_D15 56 PIDE_DRQ 57 SIDE_D0 58 PIDE_D15 59 SIDE_D14 60 PIDE_D15 61 SIDE_D1 62 PIDE_D15 63 SIDE_D13 64 PIDE_D15 65 GND 66 PIDE_D15 67 SIDE_D2 68 PIDE_D15 69 SIDE_D12 70 PIDE_D15 71 SIDE_D3 72 PIDE_D15 73 SIDE_D11 74 PIDE...

Page 22: ...signals for up to 4 external bus mastering PCI devices When asserted a PCI device is requesting PCI bus ownership from the arbiter GNT 0 3 Grant signals to PCI Masters When asserted by the arbiter the requesting PCI master has been granted ownership of the PCI bus AD 0 31 PCI Address and Data Bus Lines These multiplexed lines carry the address and data information for PCI transactions A Bus transa...

Page 23: ...ential pairs USB0 USB0 Universal Serial Bus Port 0 These are the serial differential data pairs for USB Port 0 USB0 positive signal USB0 negative signal USB1 USB1 Universal Serial Bus Port 1 These are the serial differential data pairs for USB Port 1 USB1 positive signal USB1 negative signal USB2 USB2 Universal Serial Bus Port 2 These are the serial differential data pairs for USB Port 2 USB2 posi...

Page 24: ... active for memory read cycles to addresses below 1MB MEMW MEMW instructs memory devices to store the data present on the data bus MEMW is active for all memory write cycles SMEMW SMEMW instructs memory devices to store the data present on the data bus SMEMW is active for all memory write cycles to address below 1MB IOR I O read instructs an I O device to drive its data onto the data bus It may be...

Page 25: ...MHz with a duty cycle of 40 60 percent The frequency supplied by different CPU modules may vary This signal is supplied at all times except when the CPU module is in sleep mode OSC OSC is supplied by the CPU module It has a nominal frequency of 14 31818 MHz and a duty cycle of 40 60 percent This signal is supplied at all times except when the CPU module is in sleep mode RESETDRV This active high o...

Page 26: ...st LVDS0 is the complement of 1st LVDS0 1 st LVDS1 1 st LVDS1 As above link1 1 st LVDS2 1 st LVDS2 As above link2 1 st LVDSCLK 1 st LVDSCLK As above clock link 2 nd LVDS0 2 nd LVDS0 2nd LVDS Channel link0 differential pairs LCD data output These signals are differential and should be routed as differential pairs 2nd LVDS0 is the complement of 2nd LVDS0 2 nd LVDS1 2 nd LVDS1 As above link1 2 nd LVD...

Page 27: ... clock signal DETECT Panel hot plug detection Serial Port Signals Note that all serial port signals on the ETX module connectors are logic level signals External transceiver devices are necessary for the conversion of the logic level signals to the desired physical interface such as RS232 RS422 or RS485 DTR1 DTR2 Active low data terminal ready outputs for the serial port Handshake output signal no...

Page 28: ...n between the CPU and the peripherals ERR This active low signal indicates an error situation has occurred at the printer INIT This active low signal is used to initiate the printer when low SLIN This active low signal selects the printer ACK This active low output from the printer indicates that it has received the previous data and that it is ready to receive new data BUSY This signal indicates ...

Page 29: ...ip Select 1 command output pin that enables the IDE device to watch the Read Write Command PIDE_CS3 SIDE_CS3 IDE Chip Select 3 This is the Chip Select 3 command output pin that enables the IDE device to watch the Read Write Command PIDE_DRQ SIDE_DRQ IDE DMA Request for IDE Master This signal is asserted by an IDE device It will be active high in DMA or Ultra 33 mode and always be inactive low in P...

Page 30: ... operation These signals interface to the Ethernet cable through an isolation transformer RXD RXD ANALOG TWISTED PAIR Ethernet Receive Differential Pair These pins receive the serial bit stream from the isolation transformer The bit stream can be transmitted in either two level 10BASE T or three level 100BASE TX signals depending on the mode of operation These signals interface to the Ethernet cab...

Page 31: ...ent on the SM Bus BATLOW Battery low input May be driven low by external circuitry to signal that the system battery is low or may be used to signal some other external power management event GPE1 General purpose power management event input 1 May be driven low by external circuitry to signal an external power management event Within the ETX module this pin is commonly connected to the chipset s L...

Page 32: ... The resistance to airflow the back pressure on the fan will depend upon the enclosure the mounting and restrictions Therefore when mounting and cabling the board it is essential that the free circulation of the cooling airflow is not impeded The calculation of airflow through an enclosure is not straightforward and depends on many factors The method of meeting the cooling requirements will be spe...

Page 33: ...lowest frequency that can pass through the enclosure either in or out This is irrespective of the width of the aperture Even a narrow gap between two sections of an enclosure can leak radio interference Large apertures will significantly reduce the electro magnetic compatibility of the system The major contributor to EMC problems will be cables entering and leaving the enclosure To minimise these ...

Page 34: ...ndblaster audio enabled in BIOS Set up else free 6 Floppy Drive Fixed 7 LPT 1 If Floppy enabled this becomes free 8 Real Time Clock Fixed 9 USB Mobile Can map elsewhere and share with another PCI device If VGA interrupt enabled it is present here 10 Audio Mobile Can map elsewhere and share with another PCI device 11 Ethernet Mobile Can map elsewhere and share with another PCI device 12 PS 2 Mouse ...

Page 35: ...ller 1 0020 003F Interrupt Controller 1 Master 0040 005F Timer Index registers for UMC491 0060 006F 8042 Keyboard Mouse 0070 007F Real Time Clock NMI Mask 0080 008F POST DMA Page Register 00A0 00BF Interrupt Controller 2 Slave 00C0 00DF DMA Controller 2 00F0 Clear Maths Coprocessor Busy 00F1 Reset Maths Coprocessor 00F8 00FF Maths Coprocessor 0100 010F Watchdog E PROM Byte Wide Socket Software sel...

Page 36: ...OS Reserved D0000 DFFFF Can be used for devices on the ISA bus or Shadow RAM E0000 FFFFF System BIOS Reserved PERIPHERAL COMPONENT INTERCONNECT DEVICES PCI Device PCI Interrupt Description Sound Integrated into South Bridge VIA 82C686B Ethernet INTA Intel 82251 device AGP Video INTA Integrated into North Bridge VIA 8606 ...

Page 37: ...133 VIA Pro Savage VIA Technologies VT8606 VT8231 with Intel Mobile Celeron or Intel mobile PIII CPU A CD ROM is supplied with each board containing most common operating system drivers Bear in mind that suppliers continually update their drivers so it is always a good idea to check on the Internet for later ones The following websites are good starting points www via com tw www viatech com www in...

Page 38: ...T 50h Return Registers AH 00 and Carry flag is clear if successful AH 02 and Carry flag is set if function valid but disabled AH FF and Carry flag set if function failed READ Single EEPROM Location Calling Registers AH 04 BL Location 0 63 Perform INT 50h Return Registers DX EEPROM Data AH 00 and Carry flag is clear if successful AH 02 and Carry flag is set if function valid but disabled AH FF and ...

Page 39: ...0x0400 read eeprom data regs x bx 0x31 from address 0x31 int86 BCT ETX C3 XXX regs regs printf EEPROM Address 0x31 contains x n regs x dx and similarly in Quick Basic Read EEPROM Data via interrupt 50 call include QB BI DIM INARY 7 OUTARY 7 CONST AX 0 BX 1 CX 2 DX 3 BP 4 SI 5 DI 6 FL 7 INARY AX H0400 Read e2 data INARY BX H31 address H31 CALL INT86OLD H50 INARY OUTARY Call the Int50h service PRINT...

Page 40: ... cooling airflow remains unrestricted Generally the enclosure design and the wiring layout will ensure that the cooling is stable However bear in mind that any air filters may become clogged thereby reducing the cooling After a period of time it may be necessary to replace the on board battery if it cannot maintain the CMOS memory ...

Page 41: ...nal position NOT Clear Possible Cause Extended System Configuration Data ESCD memory corrupt invalid Action Use BIOS Setup to clear and re write the ESCD memory Possible Cause Memory not fully seated in socket Action Remove and refit memory Possible Cause Add in board requires other voltage rails BCT ETX C3 XXX does not provide 5V Action Check power requirements of expansion board and power suppli...

Page 42: ...ue Level Issue Date Author Amendment Details 1 0 03 04 03 PMD First Draft Issue 1 1 08 04 03 JT Checked and minor changes 1 2 25 06 03 TM Added Software Install Instructions and CPU additions plus Typical current 1 3 21 09 07 TM Updated Reference to BCT EVAL reference material ...

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