FabiaTech PC104 User Manual Download Page 1

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FabiaTech Corporation

IPC Solution

Website: http://

www.fabiatech.com

Email:

[email protected]

PC104 CPU Card

Low Power Series

FB2410

User’s Manual

APR 2008

Version: 1.2

Part Number: FB2410

Summary of Contents for PC104

Page 1: ...FabiaTech Corporation IPC Solution Website http www fabiatech com Email support fabiatech com PC104 CPU Card Low Power Series FB2410 User s Manual APR 2008 Version 1 2 Part Number FB2410 i ...

Page 2: ...shing performance or use of this document Trademarks Trademarks brand names and products names mentioned in this publication are used for identification purpose only and are the properties of their respective owners Technical Support If you have problems or difficulties in using the system or setting up the relevant devices and software that are not explained in this manual please contact our serv...

Page 3: ...Mouse Connector 11 J5 External Speaker Header 11 J2 USB Connector 12 LED1 Power WatchDog LED indicator J4 External HDD LED Header 12 J8 JP3 External Battery Connector and Battery Select Jumper 13 CN5 IDE hard Disk Connectors 14 CN6 Floppy Connector 15 CN4 26 pin Parallel Port Connector 16 CN2 CN3 Serial Port Connectors RS 232C Pin Definitions 17 DIMM1 So DIMM Socket 18 CF1 JP1 Compact Flash Socket...

Page 4: ...iver 45 BIOS Flash Utility 45 Watchdog Timer 46 Watchdog Timer Setting 47 Watchdog Timer Enabled 48 Watchdog Timer Trigger 48 Watchdog Timer Disabled 49 Chapter 6 Technical Reference 51 Trouble Shooting for Post Beep and Error Messages 51 POST BEEP 51 Error Message 51 Technical Reference 54 Physical and Environmental 54 Real Time Clock and Non Volatile RAM 54 CMOS RAM Map 56 I O Port Address Map 5...

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Page 6: ...128 SDRAM two USB1 1 ports and a VGA controller Each FB2410 has two ports for I O communications Two RS 232 ports are available There is also a watchdog timer that can be configured from software to automatically reset the system And for easy configuration AMI BIOS are available Power management is also featured to lower the rate of consumption The unit supports doze mode Suspend Mode and Standby ...

Page 7: ...essor VGA Chipset STPC ATLAS CRT LCD CRT TFT LVDS CRT Watchdog Timer Yes Multi I O 2S 1P FDD IDE Serial Port One RS232 One RS 232 RS485 Parallel Yes FDD Yes Enhanced IDE One Compact Flash Socket One USB 1 1 Two RJ45 port 10 100Mbps One Dimensions Unit mm 90 2 D x 95 9 W 2 ...

Page 8: ...FabiaTech Corporation Layout J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 CF1 DIMM1 3 ...

Page 9: ...ry One RS 232 one RS 232 RS 485 ports parallel floppy and PCI IDE interface Compact Flash socket for 3 3V Compact Flash and Micro Drives PS 2 compatible keyboard and mouse interface Providing header for external speaker and hard disk access LED Two USB 1 1 ports and Software programmable watchdog timer Flash BIOS with easy upgrade utility PC 104 form factor 90 2 mm x 95 9 mm 3 55 x 3 775 Power req...

Page 10: ... After FB2410 is installed it is recommended that you keep the diskette or CD that contains drivers and document files and keep the document copies or unused cables in the carton for future use The following list the accessories that may be included in your FB2410 package Some of the accessories are optional shipped only upon order One FB2410 All In One PC 104 CPU board One VGA CRT interface adapt...

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Page 12: ...e board from its anti static bag wear an anti static strap to prevent the generation of Electricity Static Discharge ESD The ESD may be generated by man s physical touch It may do damage to the board circuit 2 Install any connector module or add on card be sure that the power is disconnected from the system board If not this may damage the system board components module or the add on card 3 When y...

Page 13: ...8 10 pin 2 0mm CRT connector IDC CN9 30 pin LCD Connector with LVDS LCD signals DF13 CN10 5 pin Power Connector for LCD inverter board JST CF1 JP1 Compact Flash Socket and Master Slave Select JP2 RS232 RS 485 Select Header JP3 Clear CMOS data and Select external battery header JP4 Terminator header for RS485 J1 10 pin for RJ45 Lan 2 54mm connector JST J2 10 pin USB ports 0 1 2 54mm connector heade...

Page 14: ...2 pins makes the hardware reset and FB2410 restart system It is similar to power off the system and then power it on again J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 1 VCC 5V 2 Ground 3 Ground 4 VDD 12V PIN Signal 1 Reset 2 Reset Note Be careful with the pin orientation when installing power connector A wrong connection can easily destroy your FB...

Page 15: ... of LAN port if you got LAN version and adapter board FB4605A with cable The following lists the pin assignments of J1 to RJ45 connector on the FB4605A LAN adapter board J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 RJ45 connector on FB4605A adapter board 1 8 Front View The following list the pin assignments of J1 J1 Signal RJ45 J1 Signal RJ45 1 TPT...

Page 16: ...ard and mouse J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 CN1 1 6 PIN Signal 1 Mouse Data 2 Keyboard Data 3 Ground 4 VCC 5 Mouse Clock 6 Keyboard Clock J5 External Speaker Header J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 J5 PIN Signal 1 Speaker 2 Speaker 1 2 11 ...

Page 17: ...J2 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 10 2 9 1 PIN Description PIN Description 1 USBV0 2 Case Ground 3 USBD0 4 USBG1 5 USBD0 6 USBD1 7 USBG0 8 USBD1 9 Case Ground 10 USBV1 LED1 Power WatchDog LED indicator J4 External HDD LED Header J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 J4 PIN Signal 1 HDD LED 2 HDD LED 2 1 12 ...

Page 18: ...clear CMOS data The CMOS store information like system date time boot up device password IRQ which are set up with the BIOS To clear the CMOS set JP3 to open and then return to 1 2 before system power off The default setting is 1 2 JP3 J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 1 2 3 3 1 2 BUS1 J8 BT1 LED1 JP1 On Board Battery Default 1 2 3 External Battery Clear CMO...

Page 19: ...A 4 10 DATA 11 11 DATA 3 12 DATA 12 13 DATA 2 14 DATA 13 15 DATA 1 16 DATA 14 17 DATA 0 18 DATA 15 19 GROUND 20 NOT USED 21 IDEDREQ 22 GROUND 23 IOW A 24 GROUND 25 IOR A 26 GROUND 27 IDEIORDYA 28 GROUND 29 DACKA 30 GROUND 31 AINT 32 GROUND 33 SA 1 34 Not Used 35 SA 0 36 SA 2 37 CS 0 38 CS 1 39 HD LED A 40 GROUND 41 VCC 42 VCC 43 GROUND 44 Not Used 44 2 1 43 CN5 Hard disk connector 14 Note Be caref...

Page 20: ...CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 CN6 20 19 2 1 The following table shows signal connections 20 pin Signal 34 pin 20 pin Signal 34 pin 1 Drive Enable A 2 12 Ground 23 2 Index 8 13 Write Enable 24 3 Select A 12 14 Track 0 26 4 Ground 11 15 Write Protect 28 5 Motor A 16 16 Ground 29 6 Select B 14 17 Read Data 30 7 Motor B 10 18 Head 32 8 Ground 9 19 Disk Change 34 9 Directio...

Page 21: ...1 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 CN4 DB 25 Signal CN4 DB 25 Signal 1 1 STROBE 2 14 AUTO FORM FEED 3 2 DATA 0 4 15 ERROR 5 3 DATA 1 6 16 INITIALIZE 7 4 DATA 2 8 17 PRINTER SELECT IN 9 5 DATA 3 10 18 Ground 11 6 DATA 4 12 19 Ground 13 7 DATA 5 14 20 Ground 15 8 DATA 6 16 21 Ground 17 9 DATA 7 18 22 Ground 19 10 ACKNOWLEDGE 20 23 Ground 21 11 BUSY 22 24 Ground 23 12 PAPER 24 25 Ground 25 13 ...

Page 22: ...lect of RS 485 mode The following tables show the signal connections of these connectors and the included adapter cable for CN2 CN3 J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 CN3 Signal CN2 RS485 DB9 1 DCD2 1 1 2 DSR2 2 6 3 RXD2 3 485 2 4 RTS2 4 7 5 TXD2 5 485 3 6 CTS2 6 8 7 DTR2 7 4 8 RI2 8 9 9 GROUND 9 5 10 CASE GROUND 10 Shield CN2 2 1 9 10 DB...

Page 23: ...Be sure to ward off the same master slave setting with which connects to IDE CN5 connector if you use CF1 and CN5 simultaneously J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 1 2 3 JP1 Slave Default 1 2 3 Master Note The Compact Flash socket supports 3 3V Compact Flash and Micro Drives The JP1 is used to select master slave device of this socket and...

Page 24: ...RQ3 A10 IORDY A26 SA5 B10 Key1 B26 DACK2 A11 AEN A27 SA4 B11 MEMW B27 TC A12 SA19 A28 SA3 B12 MEMR B28 ALE A13 SA18 A29 SA2 B13 IOW B29 5V A14 SA17 A30 SA1 B14 IOR B30 OSC A15 SA16 A31 SA0 B15 DACK3 B31 Ground A16 SA15 A32 Ground B16 DRQ3 B32 Ground PC 104 C D Pin Pin Signal Pin Signal Pin Signal Pin Signal C1 GND C11 MEMW D1 Ground D11 DACK 5 C2 SBHE C12 SD8 D2 MEMCS16 D12 DREQ5 C3 LA23 C13 SD9 D...

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Page 26: ... Display LCD FLAT PANEL DISPLAY Using the BIOS setting for different types of LCD pane then set your system properly and configures BIOS setting for the right type of LCD panel you are using The following shows the block diagram of using FB2410 for LCD display LCD Panel Block Diagram The diagram shows that FB2410 needs components to be linked with a LCD panel NOTE Be careful with the pin orientati...

Page 27: ...figure illustrate the pin definition of CN8 and D sub 15 pin on the CRT adapter cable J3 JP4 J4 CN7 CN10 CN9 CN8 J6 J5 J1 CN1 CN2 J2 CN4 CN6 CN3 CN5 J7 JP2 JP3 BUS1 J8 BT1 LED1 JP1 DB15 Pin Signal DB 15 Pin Signal DB15 1 RED 1 2 Case Ground Case 3 GREEN 2 4 Digital Ground 5 10 5 BLUE 3 6 Analog Ground 6 7 8 7 VSYNC 14 8 DDC Data 12 9 HSYNC 13 10 DDC Clock 15 NOTE Be careful with the pin orientatio...

Page 28: ... 11 FP12 B0 TXCLK 12 FP13 B1 TXCLK 13 FP14 B2 Ground 14 FP15 B3 15 FP16 B4 16 FP17 B5 Ground 17 NC 18 NC 19 FP6 G0 Ground 20 FP7 G1 21 FP8 G2 22 FP9 G3 Ground 23 FP10 G4 24 FP11 G5 25 NC Ground 26 NC Ground 27 FP0 R0 3 3V 28 FP1 R1 3 3V 29 FP2 R2 5V 30 FP3 R3 5V 31 FP4 R4 32 FP5 R5 33 Ground 34 Ground 35 SHFCLK 36 FP VS 37 DE 38 LP HS 39 ENVDD 40 ENAVEE NOTE 1 Different LCD panels use different BI...

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Page 30: ... firmware that interacts directly with the hardware components and facilitates interaction between the system hardware and the operating system The BIOS default values ensure that the system will function at its normal capability In the worst situation the user may have corrupted the original settings set by the manufacturer All the changes you make will be saved in the system RAM and will not be ...

Page 31: ...uration with Optimal Settings to auto configure the system according to optimal setting with pre defined values This is also the factory default setting of the system when you receive the board 11 Auto Configuration with Fail Safe Settings to configure the system in fail safe mode with predefined values 12 Save Settings and Exit perform this function when you change the setting and exit the BIOS S...

Page 32: ...xit the current menu or message Page Up Page Down To select a parameter F1 To display the help menu if you do not know the purpose or function of the item you are going to configure F2 F3 To change the color of the menu display F2 is to go forward and F3 is to go backward UP Down Arrow Keys To go upward or downward to the desired item 27 ...

Page 33: ... to set the current date Follow the hour minute and second format The user can bypass the date and time prompts by creating an AUTOEXEC BAT file For information on how to create this file please refer to the MS DOS manual Floppy Setup The Standard CMOS Setup option records the types of floppy disk drives installed in the system To enter the configuration value for a particular drive highlight its ...

Page 34: ...n you must configure the hard disk drive in the standard method as described above by the USER option Boot Sector Virus Protection This option protects the boot sector and partition table of your hard disk against accidental modifications Any attempt to write to them will cause the system to halt and display a warning message If this occurs you can either allow the operation to continue or use a b...

Page 35: ...ed 1 BIOS will not wait for up to 40 seconds if a Ready signal is not received from the IDE drive and will not configure its drive 2 BIOS will not wait for 0 5 seconds after sending a RESET signal to the IDE drive 3 You cannot run BIOS Setup at system boot since there is no delay for the Hit Del To run Setup message Available Options Disabled Enabled Default setting Enabled 1st 3rd Boot Device The...

Page 36: ...te access when booting from a HDD drive Available options Normal Read only Default setting Normal S M A R T for Hard Disk This field is used to activate the S M A R T System Management and Reporting Technologies function for S M A R T HDD drives This function requires an application that can give S M A R T message Available options Disabled Enabled Default Disabled Boot Up Num lock This field is u...

Page 37: ...2 mouse IRQ 12 will be reserved for expansion cards if a PS 2 mouse is not detected Disabled will reserve IRQ12 for expansion cards and therefore the PS 2 mouse will not function Available options Disabled Enabled Default setting Enable System Keyboard This field specifies if an error message should be prompted when a keyboard is not attached Available options Absent Present Default setting Absent...

Page 38: ...nternal Cache This functions speeds up memory access The STPC CPU has L1 internal cache Available options WriteBack WriteThru Disabled Default setting WriteBack C000 32k Shadow DC00 32k shadow These fields control the location of the contents of the 32KB of ROM beginning at the specified memory location If no adapter ROM is using the named ROM area this area is made available to the local bus The ...

Page 39: ...FabiaTech Corporation using the named ROM area Also the contents of the RAM area can be read from and written to cache memory Available options Disabled Enabled Cached Default setting Disabled 34 ...

Page 40: ...ing on user preference application requirements and total size of system memory Available Options None 128KB 4096KB Default setting 4096KB ISA Authorized To Write to IPC This field is controls the timing of the DMA controller and also the number of wait state for write register to IPC Available Options Disabled Enabled Default setting Disabled IPC Wait State Cycle This field is specifying the numb...

Page 41: ...SA DMA or ISA bus Master are enabled Available Options Enable and Disabled Default setting Enabled ISA to Host writer Posting If extra wait state is inserted for slower ISA devices Enable is 1 wait state and disable is 0 wait state Available Options Enable and Disabled Default setting Enabled C0000 C7FFFF Cacheable This field is for the 32k VGA video BIOS Also the contents of the RAM area can be r...

Page 42: ...pecifies the Enable or Disable of the onboard LAN chip Available Options Disabled Enable Default setting Enable LAN Boot ROM Controller This field specifies the PXE boot ROM of the onboard LAN chip Available Options Disabled Enable Default setting Disable 37 ...

Page 43: ...is field specifies the power conserving state that video subsystem enters after the specified period of display inactivity has expired Available Options Disabled Standby Suspend Default setting Disabled Hard Disk Power Down Mode This field specifies the power conserving state that the hard disk drive enters after the specified period of hard drive inactivity has expired Available Options Disabled ...

Page 44: ...state Available Options Disabled 1 Minute 2 Minute 4 Minute and 8 Minute up to 60 Minute Default setting Disabled Suspend Time Out Minute This field specifies the length of a period of system inactivity like hard disk or video while in Standby state When this length of time expires the system enters Suspend power state Available Options Disabled 1 Minute 2 Minute 4 Minute and 8 Minute up to 60 Min...

Page 45: ...ency timings in PCI clock PCI devices installed in the PCI expansion bus Available Options 32 64 96 128 160 192 224 and 248 Default setting 64 PCI VGA Palette Snoop When Enabled is selected multiple VGA devices operating on different buses can handle data from the CPU on each set of palette registers on every video device Bit 5 of the command register in the PCI device configuration space is the V...

Page 46: ...ing types based on the type of device using the interrupt ISA EISA devices comply with the original PC AT bus specification requiring a specific interrupt Such as IRQ5 for COM1 PnP PCI ISA devices comply with the Plug and Play standard whether designed for PCI or ISA bus architecture Available Options PnP ISA EISA Default setting PnP IRQ 3 15 When I O resources are controlled manually you can assi...

Page 47: ...ault setting Auto OnBoard Serial Port 1 These fields select the I O port address for each Serial port Refer to Table 2 2 Available Options Auto Disabled 3F8H COM1 2F8H COM2 and 3E8H COM3 2E8H COM4 Default setting Auto OnBoard Serial Port 2 These fields select the I O port address for each Serial port Refer to Table 2 2 Available Options Auto Disabled 3F8H COM1 2F8H COM2 and 3E8H COM3 2E8H COM4 Def...

Page 48: ...Parallel Port Mode specification used in the system and is not configurable IF Normal or ECP is selected this field displays N A meaning not available Available Options N A 1 7 1 9 Default setting N A Parallel Port IRQ This field specifies the IRQ for the parallel port Available Options Auto N A 5 7 Default setting Auto Parallel Port DMA Channel This option is only available if the setting for the...

Page 49: ...Supervisor password is set up 4 Enter Advanced CMOS Setup screen and point to the Password Checkup field 5 Select Always or Setup Always a visitor who attempts to enter BIOS or operating system will be prompted for password Setup a visitor who attempts to the operating system will be prompted for user password You can enter either User password or Supervisor password 6 Point to Save Settings and E...

Page 50: ...th a CD ROM device copy the LAN driver from the CD ROM to a CF 2 Execute install exe file Note In the LAN directory a HELPME EXE file is included to provide installation information BIOS Flash Utility In the UTILITY directory there is the FLASH845 EXE file Step 1 Use the FLASH845 EXE program to update the BIOS setting Step 2 And then refer to the chapter BIOS Setup as the steps to modify BIOS Step...

Page 51: ...nal to reset the system The time out period can be programmed to be set from 1 to 255 seconds or minutes Watchdog Register Time Base Counter and Compartor ADD A0 A15 Data D D7 Watchdog LED RESET The CD ROM includes a Watch Dog demo file In the file there are 3 execution programs written in different forms The sub directories of the file are 1 WATCHDOG SMSc787 ASSEMBLE Library and Test Program writ...

Page 52: ...t trigger the watchdog timer every time before it times out After you trigger the watchdog timer it will be set to non zero value to watchdog counter and start to count down again If your program fails to trigger the watchdog timer before time out it will generate a reset pulse to reset the system The factor of the watchdog timer time out constant is approximately 1 seconds The period for the watc...

Page 53: ...chdog Timer Trigger After you enable the watchdog timer your program must write the same factor as enabling to the watchdog register at least once every time out period to its previous setting You can change the time out period by writing another timer factor to the watchdog register at any time and you must trigger the watchdog before the new time out period in the next trigger Below is a Turbo C...

Page 54: ...ation Watchdog Timer Disabled To disable the watchdog timer simply write a 00H to the watchdog register include stdio H include WDLIB H main InitWD equWdUnitS printf Disable Watch Dog Disable watch dog DisWD WD_TIME 49 ...

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Page 56: ...sure all the components and connectors are in proper position and firmly attached If the errors still exist please contact with your distributor for maintenance POST BEEP Currently there are two kinds of beep codes in BIOS setup z One indicates that a video error has occurred and the BIOS cannot initialize the video screen to display any additional information This beep code consists of a single l...

Page 57: ...nstalled correctly 2 All cables are correctly and firmly attached 3 The correct hard drive type is selected in BIOS Setup ERROR INITIALIZING HARD DISK CONTROLLER When this error occurs ensure the following things 1 The cord is exactly installed in the bus 2 The correct hard drive type is selected in BIOS Setup 3 Whether all of the jumpers are set correctly in the hard drive KEYBOARD ERROR OR NO KE...

Page 58: ...tten to memory Use the location along with your system s memory map to locate the bad chip OFFENDING ADDRESS MISSING This message is used in connection with the I O CHANNEL CHECK and RAM PARITY ERROR messages when the segment that has caused the problem cannot be isolated REBOOT ERROR When this error occurs that requires you to reboot Press any key and the system will reboot SYSTEM HALTED Indicate...

Page 59: ...4 bytes of general purpose RAM Because of the use of CMOS technology it consumes very little power and can be maintained for long periods of time using an internal Lithium battery The contents of each byte in the CMOS RAM are listed below Address Description 00 Seconds 01 Second alarm 02 Minutes 03 Minute alarm 04 Hours 05 Hour alarm 06 Day of week 07 Date of month 08 Month 09 Year 0A Status regis...

Page 60: ... base memory byte 16 High base memory byte 17 Low expansion memory byte 18 High expansion memory byte 19 2D Reserved 2E 2F 2 byte CMOS checksum 30 Low actual expansion memory byte 31 High actual expansion memory byte 32 Date century byte 33 Information flags set during power on 34 7F Reserved for system BIOS 55 ...

Page 61: ...led 1 Enabled 15h Base Memory in 1KB increments Low Byte 16h Base Memory in 1KB increments High Byte 17h IBM compatible memory in 1KB increments Low Byte 18h IBM compatible memory in 1KB increments High Byte max 15 MB 19h 2Dh Vaires 2Eh Standard CMOS RAM checksum high byte 2Fh Standard CMOS RAM checksum low byte 30h IBM compatible Extended Memory Low Byte POST in KB 31h IBM compatible Extended Mem...

Page 62: ... 05Fh Timer 060h 06Fh Keyboard Controller 070h 073h Real Time Clock NMI 080h 09Fh DMA Page Register 0A0h 0BFh Interrupt Controller 2 0C0h 0DFh DMA Controller 2 0F0h Clear Math Coprocessor Busy Signal 0F1h Reset Math Coprocessor 1F0h 1F7h IDE Interface 290h 297h System Chipset 2E8h 2EFh Serial Port 4 COM4 2F8h 2FFh Serial Port 2 COM2 2B0 2DF Graphics adapter Controller 378h 3FFh Parallel Port 1 LPT...

Page 63: ...U for the service required The following table shows the IRQ used by the devices on the Industrial CPU Card Level Function IRQ0 System Timer Output IRQ1 Keyboard IRQ2 Interrupt Cascade IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 USB IRQ6 Floppy IRQ7 Reserved IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Reserved IRQ11 LAN 1 IRQ12 PS2 Mouse IRQ13 FPU IRQ14 Primary IDE IRQ15 Reserved 58 ...

Page 64: ...he ACE a completed MODEM control capability and a processor interrupt system that may be software tailored to the computing time required to handle the communications link The following table is a summary of each ACE accessible register DLAB Port Address Register Receiver buffer read 0 Base 0 Transmitter holding register write 0 Base 1 Interrupt enable X Base 2 Interrupt identification read only X...

Page 65: ...upt Identification Register IIR Bit 0 0 if Interrupt Pending Bit 1 Interrupt ID Bit 0 Bit 2 Interrupt ID Bit 1 Bit 3 Must be 0 Bit 4 Must be 0 Bit 5 Must be 0 Bit 6 Must be 0 Bit 7 Must be 0 Line Control Register LCR Bit 0 Word Length Select Bit 0 WLS0 Bit 1 Word Length Select Bit 1 WLS1 WLS1 WLS0 Word Length 0 0 5 Bits 0 1 6 Bits 1 0 7 Bits 1 1 8 Bits Bit 2 Number of Stop Bit STB Bit 3 Parity Ena...

Page 66: ...Must be 0 Bit 7 Must be 0 Line Status Register LSR Bit 0 Data Ready DR Bit 1 Overrun Error OR Bit 2 Parity Error PE Bit 3 Framing Error FE Bit 4 Break Interrupt BI Bit 5 Transmitter Holding Register Empty THRE Bit 6 Transmitter Shift Register Empty TSRE Bit 7 Must be 0 MODEM Status Register MSR Bit 0 Delta Clear to Send DCTS Bit 1 Delta Data Set Ready DDSR Bit 2 Training Edge Ring Indicator TERI B...

Page 67: ...sor Latch LS MS LS MS Bit 0 Bit 0 Bit 8 Bit 1 Bit 1 Bit 9 Bit 2 Bit 2 Bit 10 Bit 3 Bit 3 Bit 11 Bit 4 Bit 4 Bit 12 Bit 5 Bit 5 Bit 13 Bit 6 Bit 6 Bit 14 Bit 7 Bit 7 Bit 15 Desired Baud Rate Divisor Used to Generate 16x Clock 300 384 600 192 1200 96 1800 64 2400 48 3600 32 4800 24 9600 12 14400 8 19200 6 28800 4 38400 3 57600 2 115200 1 62 ...

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