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Acrosser Technology AR-B1320 CPU, User Manual

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Acrosser Technology AR-B1320 CPU User Manual Download Page 8

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1.3 FEATURES

 This system provides a number of special features that enhance its reliability, ensure its
availability, and improve its expansion capabilities, as well as its hardware structure.

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80386SX-40 MHz CPU

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PC/104 extension bus

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System of up to 4MB DRAM (2 MB already on-board)

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Supports 2 RS-232C/RS-485 serial ports

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PC/AT compatible keyboard interface

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Supports up to 1.5MB flash disk

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Programmable watchdog timer

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Flash BIOS

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Supports two IDE drives

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Supports one floppy drive

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Supports one SPP/EPP/ECP printer port

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Supports DiskOnChip and DiskOnModule

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Powered-on LED indicator

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Signal 5V power requirement

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Multi-layer PCB for noise reduction

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Dimensions: 90.2mmX95.9mm (3.55”x3.775” )

Summary of Contents for AR-B1320 CPU

Page 1: ...A AR R B B1 13 32 20 0 U Us se er r s s G Gu ui id de e I AR B1320 PC 104 386SX CPU BOARD User s Guide Edition 1 2...

Page 2: ...es from time to time in the contents hereof without obligation of Acrosser Technology to notify any person of such revisions or changes Check for updates at www acrosser com Possession use or copying...

Page 3: ...SH DISK 2 11 3 SETTING THE SYSTEM 3 1 3 1 BOARD LAYOUT 3 2 3 2 CPU BASE CLOCK SELECT JP1 3 4 3 3 SWITCH SETTINGS SW1 3 4 3 4 EXTERNAL LED HEADER J1 3 4 3 5 KEYBOARD CONNECTOR J2 3 5 3 6 RESET HEADER J...

Page 4: ...RD CMOS SETUP 4 2 4 3 ADVANCED CMOS SETUP 4 4 4 4 ADVANCED CHIPSET SETUP 4 7 4 5 PERIPHERAL SETUP 4 9 4 6 AUTO DETECT HARD DISKS 4 10 4 7 PASSWORD SETTING 4 10 4 8 SETTING THE PASSWORD 4 10 4 8 1 CHEC...

Page 5: ...your product by following these guidelines 1 Include your name address daytime telephone facsimile number and e mail where you may be reached 2 A description of the system configurations and or the s...

Page 6: ...tic electricity is a constant danger to computer systems The charge that can build up in your body may be more than sufficient to damage integrated circuits on any PC board It is therefore important t...

Page 7: ...386SX based system with a true PC 104 module for embedded applications This manual has been written to assist you in installing configuring and running the AR B1320 CPU card Each section is intended...

Page 8: ...ension bus l System of up to 4MB DRAM 2 MB already on board l Supports 2 RS 232C RS 485 serial ports l PC AT compatible keyboard interface l Supports up to 1 5MB flash disk l Programmable watchdog tim...

Page 9: ...e power consumption here is almost zero when the clock stops The internal structure of this core is 32 bit and it s address bus has a very low supply current The real mode as well as the protected mod...

Page 10: ...at the back panel of the AR B1320 board It combines the functions of a floppy disk drive adapter a hard disk drive IDE adapter two serial with 16C550 UART adapters and 1 parallel adapter Setting the...

Page 11: ...178 Fixed disk 1 1F0 1F8 Fixed disk 0 3 201 Game port 208 20A EMS register 0 218 21A EMS register 1 278 27F Parallel printer port 3 LPT 3 2E8 2EF Serial port 4 COM 4 2F8 2FF Serial port 2 COM 2 3 300...

Page 12: ...determine which interrupt service routine should be executed The following is the system information of interrupt levels IRQ8 Real time clock IRQ9 Rerouting to INT 0Ah from hardware IRQ2 IRQ10 Spare...

Page 13: ...cessible registers DLAB Port Address Register Receiver buffer RBR read 0 base 0 Transmitter holding register THR write 0 base 1 Interrupt enable IER X base 2 Interrupt identification IIR read only X b...

Page 14: ...quest to Send RTS Bit 2 Out 1 OUT 1 Bit 3 Out 2 OUT 2 Bit 4 Loop Bit 5 Must be 0 Bit 6 Must be 0 Bit 7 Must be 0 7 Line Status Register LSR Bit 0 Data Ready DR Bit 1 Overrun Error OR Bit 2 Parity Erro...

Page 15: ...536 110 1047 0 026 134 5 857 0 058 150 768 300 384 600 192 1200 96 1800 64 2000 58 0 69 2400 48 3600 32 4800 24 7200 16 9600 12 14400 8 19200 6 28800 4 38400 3 57600 2 115200 1 Table 2 4 Serial Port D...

Page 16: ...1 means the printer has detected the end of paper Bit 4 A 1 means the printer is selected Bit 3 A 0 means the printer has encountered an error condition Bit 0 2 No meaning 5 Printer Control Latch Prin...

Page 17: ...each with a timing frequency of 1 19 MHz Timer 0 The output of this timer is tied to interrupt request 0 IRQ 0 Timer 1 This timer is used to trigger memory refresh cycles Timer 2 This timer provides...

Page 18: ...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 register A 0B Status register B 0C Status register C 0D Status register D 0E Diagnost...

Page 19: ...IRQ or NMI signal to tell your program that the watchdog has timed out The time out period can be programmed to be 30 5 g seconds to 512 seconds with 30 5 g seconds per step 2 12 FLASH DISK The AR B13...

Page 20: ......

Page 21: ...d the pins We will show the locations of the AR B1320 jumper pins and the factory default settings in this section Note that the square pin of each jumper block is pin 1 Below illustrates the jumper u...

Page 22: ...RS 485 ports and a flash disk Below is the AR B1320 board layout AR B1320 VER 1 1 1 2 1 1 2 1 1 2 1 1 2 1 2 1 1 2 1 2 1 2 1 15 16 44 39 40 63 64 PWR STS 4 6 M1 M2 M3 BIOS SSD DOC 2 43 1 2 2 SW1 CN8 LE...

Page 23: ...ctor 3 3 J1 External power and hard disk LED header 3 4 J2 Keyboard connector 3 5 J3 Reset header 3 6 J4 Speaker header 3 7 J5 Power connector 3 8 CN1 Printer connector 3 9 CN2 Floppy connector 3 10 C...

Page 24: ...following table gives the details SW1 Function When OFF When ON Factory Preset Switch 1 Selects the base I O address of SSD 210H 211H 290H 291H Off Switch 2 Selects the memory segment of SSD C800H 8K...

Page 25: ...5 CLOCK J2 6 Pin Mini Din 2 3 4 5 6 Figure 3 4 J2 Keyboard Connector 3 6 RESET HEADER J3 The J3 is used to connect to an external reset switch Shorting these two pins will reset the system Figure 3 5...

Page 26: ...The connector for the parallel port is a 25 pin D type female connector The pin assignments for the parallel port adapter cable are as follows CN1 DB25 Decryption CN1 DB25 Decryption 1 1 Strobe 2 14...

Page 27: ...11 16 1 3 5 7 17 27 31 33 Ground 1 2 Reduce write current 2 8 Index 4 16 Motor enable A 3 12 Drive select A 6 18 Direction 7 20 Step output pulse 8 22 Write data 9 24 Write enable 10 26 Track 0 12 28...

Page 28: ...ter cable Figure 3 9 CN3 CN4 RS 232C Connector CN3 CN4 Function DB9 Male Pin 1 DCD Pin 1 Pin 2 DSR Pin 6 Pin 3 RXD Pin 2 Pin 4 RTS Pin 7 Pin 5 TXD Pin 3 Pin 6 CTS Pin 8 Pin 7 DTR Pin 4 Pin 8 RI Pin 9...

Page 29: ...ard disk drives IDE AT bus This interface through a 44 pin cable allows the user to connect up to two drives in a daisy chain fashion To enable or disable the hard disk controller please use the BIOS...

Page 30: ...Used MEMW MEMR IOW IOR DACK3 DRQ3 DACK1 DRQ1 REFRESH BUSCLK IRQ7 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0 GND B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25...

Page 31: ...low while any of the low 1 Mbytes of memory is being written MEMW Input Output The Memory Write signal is low while any memory location is being written DRQ 0 3 5 7 Input DMA Request channels 0 to 3 a...

Page 32: ...ctivate inactivate and change the flash rates just by programming the register of the RTC chip Use different flash rates to indicate different status or operating modes The I O port address of index r...

Page 33: ...t to see 3 15 USING THE WATCHDOG TIMER This section describes how to use disable and enable the watchdog timer 3 15 1 WD ENABLE REGISTER INDEX 37H This register is used to enable or disable the watchd...

Page 34: ...t times out you should initialize the IRQ interrupt vector and enable the second interrupt controller 8259 PIC in order to enable the CPU to process this interrupt An interrupt service routine is requ...

Page 35: ...ration register you need to unlock the register at first and lock it again after finishing the operation 1 Unlock Configuration Register Mov al 13h Out 22h al Nop Nop Mov al 0c5h Out 23h al Nop Nop 2...

Page 36: ...s onto FLASH disk just like using a normal floppy disk You can use all of the related DOS command such as COPY DEL etc to update files on the 5V FLASH disk The write protect function allows you to pre...

Page 37: ...OnChip at the same time then the statement in the CONFIG SYS file will be DEVICE C DOS EMM386 EXE X C800 CBFF 3 16 2 SOFTWARE PROGRAMMING You can use the DOS FORMAT and COPY command to format and copy...

Page 38: ...Gu ui id de e 3 18 3 16 3 DISKONMODULE AR B1320 provides DiskOnModule function which is interfaced with the 44 pin hard disk connector Align the pin 1 of the DiskOnModule with the hard disk connector...

Page 39: ...he keyboard The BIOS provides a menu based interface to the console subsystem The console subsystem contains special software called firmware that interacts directly with the hardware components and f...

Page 40: ...UP The Standard CMOS Setup option allows you to record some basic system hardware configuration and set the system clock and error handling If the CPU board is already installed in a working system yo...

Page 41: ...igure your hard disk drive type If you use older hard disk drives which do not support this feature then you must configure the hard disk drive in the standard method as described above by the USER op...

Page 42: ...t to boot the system According to the default setting the system checks first the hard disk and then the floppy drive and last the CDROM Available options Disabled IDE 0 IDE 1 IDE 2 IDE 3 Floppy ARMD...

Page 43: ...the BIOS will seek the floppy A drive one time upon boot up Available options Disabled Enabled Typematic Rate This item specifies the speed at which a keyboard keystroke is repeated Available options...

Page 44: ...ed ROM area this area is made available to the local bus The settings are SETTING DESCRIPTION Disabled The ROM is not copied to RAM The contents of the ROM can not be read from or written to shadow me...

Page 45: ...PLCK2 10 PLCK2 12 NOTE 1 PLCK means the CPU input clock 2 Acrosser recommends the user set this function at the range from 8MHz to 10MHz Slow Refresh This option sets the DRAM refresh cycle time Avai...

Page 46: ...me to extend the read write time Available options Enabled Disable Watch Dog Timer Output Control This option selects the Watch Dog Timer period which is from 30 Seconds to 120 Seconds The default val...

Page 47: ...lable options 3 Sec 5 Sec 10 Sec 15 Sec OnBoard Primary IDE This option specifies the onboard IDE controller channels that will be used Available options Enabled Disabled OnBoard FDC This option enabl...

Page 48: ...upervisor password or a User password 4 8 SETTING THE PASSWORD Select the appropriate password icon Supervisor or User from the Security section of the BIOS Setup main menu Enter the password and pres...

Page 49: ...on of the BIOS Setup main menu The Fail Safe settings provide far from optimal system performance but are the most stable settings Use this option as a diagnostic aid if the system is behaving erratic...

Page 50: ...or which the Flash EPROM will be programmed Press ENTER after inserting the file name or press ESC to exit Step 5 And then enter the file name to the Enter File Name box And the Message box will show...

Page 51: ...A AR R B B1 13 32 20 0 U Us se er r s s G Gu ui id de e 4 1...

Page 52: ......

Page 53: ...l Port Support 1 SPP EPP ECP mode printer port with the 26 pin 2 0mm connector Keyboard PC AT compatible keyboard Speaker External speaker with a 2 pin header Real Time Clock M48T86PC1 or compatible c...

Page 54: ...Brand Model Specification ATMEL AT29C512 64KX8 512K bits SST PH29EE512 64KX8 512K bits ATMEL AT29C010 128KX8 1M bits SST 28EE010 128KX8 1M bits SST 29EE011 128KX8 1M bits SST PH29EE010 128KX8 1M bits...

Page 55: ...3 32 20 0 U Us se er r s s G Gu ui id de e 5 3 5 3 BOARD DIMENSIONS 125 5 3625 210 321 2405 3775 2380 500 200 1550 1150 200 1350 1500 300 350 75 75 250 3550 3350 2795 200 AR B1320 Ver 1 1 Unit mil 1 i...

Page 56: ...e the RS 485 s TXC communication 2 Send out one character Transmit Step 1 Enable the DTR signal and the bit 0 of the address of offset 4 just sets to 1 Step 2 Send out the data Write this character to...

Page 57: ...REM Enable transmitter by setting DTR ON 20 OUT H3FC INP H3FC OR H01 30 REM Send out one character 40 PRINT 1 OUTCHR 50 REM Check transmitter holding register and shift register 60 IF INP H3FD AND H6...

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