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AR-B1474 INDUSTRIAL GRADE 486DX/DX2/DX4 CPU CARD Use r ’ s Guide Edition: 3.1 Book Number: AR-B1474-99.B01.
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AR-B1474 User ¡¦ s Guide 0-1 Table of Contents 0. PREFACE ....................................................................................................................................................... 0-3 0.1 COPYRIGHT NOTICE AND DISCLAIMER .
AR-B1474 User ¡¦ s Guide 0-2 5.4 ROM DISK INSTALL ATION ........................................................................................................................................................ 5-6 5.4.1 UV EPROM (27Cxxx) ............
AR-B1474 User ¡¦ s Guide 0-3 0. PREFACE 0.1 COPYRIGHT NOTICE AND DISCLAIMER September 1995 Acrosser Technology makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
AR-B1474 User ¡¦ s Guide 0-4 0.6 ORGANIZATION This information for users covers the following topics (see the Table of Contents for a detailed listing): l Chapter 1, “ Overview ” , provides an overview of the system features and packing list. l Chapter 2, “ System Controller ” describes the major structure.
AR-B1474 User ¡¦ s Guide 1-1 1. OVERVIEW This chapter provides an overview of your system features and capabilities. The following topics are covered: l Introduction l Packing List l Features 1.1 INTRODUCTION The AR-B1474 is a half size industrial grade CPU card that has been designed to withstand continuous operation in harsh environments.
AR-B1474 User ¡¦ s Guide 1-2 1.2 PACKING LIST The accessories are included with the system. Before you begin installing your AR-B1474 card, take a moment to make sure that the following items have been included inside the AR-B1474 package.
AR-B1474 User ¡¦ s Guide 2-1 2. SYSTEM CONTROLLER This chapter describes the major structure of the AR-B1474 serial CPU board. The following topics are covered: l DMA Controller l Keyboard Controller l Interrupt Controller l Serial Port l Parallel Port 2.
AR-B1474 User ¡¦ s Guide 2-2 2.3 INTERRUPT CONTROLLER The equivalent of two 8259 Programmable Interrupt Controllers (PIC) are included on the AR-B1474 card.
AR-B1474 User ¡¦ s Guide 2-3 2.3.1 I/O Port Address Map Hex Range Device 000-01F DMA controller 1 020-021 Interrupt controller 1 022-023 M1429 chipset address 040-04F Timer 1 050-05F Timer 2 060-06F.
AR-B1474 User ¡¦ s Guide 2-4 2.3.2 Real-Time Clock and Non-Volatile RAM The AR-B1474 contains a real-time clock compartment that maintains the date and time in addition to storing configuration information about the computer system. It contains 14 bytes of clock and control registers and 114 bytes of general purpose RAM.
AR-B1474 User ¡¦ s Guide 2-5 2.3.4 ISA Bus Pin Assignment I/O Pin Signal Name Input/Output I/O Pin Signal Name Input/Output A1 -IOCHCK Input B1 GND Ground A2 SD7 Input/Output B2 RSTDRV Output A3 SD6.
AR-B1474 User ¡¦ s Guide 2-6 2.3.5 ISA Bus Signal Description Name Description BUSCLK [Output] The BUSCLK signal of the I/O channel is asynchronous to the CPU clock. RSTDRV [Output] This signal goes high during power-up, low line-voltage or hardware reset SA0 - SA19 [Input / Output] The System Address lines run from bit 0 to 19.
AR-B1474 User ¡¦ s Guide 2-7 Name Description -MASTER [Input] The MASTER is the signal from the I/O processor which gains control as the master and should be held low for a maximum of 15 microsecond.
AR-B1474 User ¡¦ s Guide 2-8 (3) Interrupt Enable Register (IER) Bit 0: Enable Received Data Available Interrupt (ERBFI) Bit 1: Enable Transmitter Holding Empty Interrupt (ETBEI) Bit 2: Enable Recei.
AR-B1474 User ¡¦ s Guide 2-9 (8) 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) Bit 3: Delta Receive Line.
AR-B1474 User ¡¦ s Guide 2-10 (3) Data Swapper The system microprocessor can read the contents of the printer ’ s Data Latch through the Data Swapper by reading the Data Swapper address. (4) Printer Status Buffer The system microprocessor can read the printer status by reading the address of the Printer Status Buffer.
AR-B1474 User ¡¦ s Guide 3-1 3. SETTING UP THE SYSTEM This section describes pin assignments for system ’ s external connectors and the jumpers setting. l Overview l System Setting 3.1 OVERVIEW The AR-B1474 is a half size industrial grade CPU card that has been designed to withstand continuous operation in harsh environments.
AR-B1474 User ¡¦ s Guide 3-2 3.2 SYSTEM SETTING Jumper pins allow you to set specific system parameters. Set them by changing the pin location of jumper blocks.
AR-B1474 User ¡¦ s Guide 3-3 3.2.2 Hard Disk (IDE) Connector (CN1) A 40-pin header type connector (CN1) is provided to interface with up to two embedded hard disk drives (IDE AT bus). This interface, through a 40-pin cable, allows the user to connect up to two drives in a “ daisy chain ” fashion.
AR-B1474 User ¡¦ s Guide 3-4 3.2.4 FDD Port Connector (CN2) The AR-B1474 provides a 34-pin header type connector for supporting up to two floppy disk drives.
AR-B1474 User ¡¦ s Guide 3-5 3.2.6 PC/104 Connector (1) 64-Pin PC/104 Connector Bus A & B (CN6) 1 2 64-Pin PC/104 Connector 63 64 A B -IOCHCK --- SD7 --- SD6 --- SD5 --- SD4 --- SD3 --- SD2 --- .
AR-B1474 User ¡¦ s Guide 3-6 (3) PC/104 ISA Bus Signal Description Name Description BUSCLK [Output] The BUSCLK signal of the I/O channel is asynchronous to the CPU clock. RSTDRV [Output] This signal goes high during power-up, low line-voltage or hardware reset SA0 - SA19 [Input / Output] The System Address lines run from bit 0 to 19.
AR-B1474 User ¡¦ s Guide 3-7 Name Description -MASTER [Input] The MASTER is the signal from the I/O processor which gains control as the master and should be held low for a maximum of 15 microsecond.
AR-B1474 User ¡¦ s Guide 3-8 (4) CPU Clock Select (JP6 & JP9) For different type of CPUs, the clock generator and clock divisor need to be set by JP6 and JP9. The clock base is selected by JP6, JP9 is used to select single or half clock system. We recommend that you refer the following table for setting the CPU clock.
AR-B1474 User ¡¦ s Guide 3-9 3.2.8 Memory Setting (1) Cache RAM Size Select (JP8) The AR-B1474 can be configured to provide a write-back or write-through cache scheme and support 128KB to 512KB cache systems. A write-back cache system may provide better performance than a write-through cache system.
AR-B1474 User ¡¦ s Guide 3-10 3.2.9 LED Header (J1, J2 & J4) (1) External Power LED & Keyboard Lock Header (J4) 1 Power LED+ 2 Not Used 3 Power LED- 4 Key-Lock+ 5 Key-Lock- Figure 3 - 16 J4:.
AR-B1474 User ¡¦ s Guide 3-11 3.2.11 External Speaker Header (J3) Besides the on board buzzer, you can use an external speaker by connecting J3 header directly. 1 Speaker+ 2 Speaker- 3 Speaker- 4 Speaker- J3 Figure 3 - 21 J3: External Speaker Header 3.
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AR-B1474 User ¡¦ s Guide 4-1 4. INSTALLATION This chapter describes the procedure of the installation. The following topics are covered: l Overview l Utility Diskette l Write Protect Function l Watchdog Timer 4.1 OVERVIEW This chapter provides information for you to set up a working system based on the AR-B1474 CPU card.
AR-B1474 User ¡¦ s Guide 4-2 4.2 UTILITY DISKETTE To support the AR-B1474 solid state dis k ’ s operations, the following programs or files has been provided on the accompanying utility diskette: (1) PGM1474.EXE PGM1474.EXE PGM1474.EXE is used to program the 12V FLASH EPROM after the ROM pattern files are generated by RFG.
AR-B1474 User ¡¦ s Guide 4-3 (2) WD1474.EXE WD1474.EXE This program demonstrates how to enable and trigger the watchdog timer. It allows you to test the <TIMES-OUT & RESET> function when the watchdog timer is enabled. (3) WP1474.EXE WP1474.
AR-B1474 User ¡¦ s Guide 4-4 stated in your PGF). The ROM pattern files will have the same file names, but will have different extension names. For example: TEST.R01, TEST.R02, TEST.R0 3 … etc. Display Error in PGF File This option displays errors that were detected in your PGF.
AR-B1474 User ¡¦ s Guide 4-5 4.3 WRITE PROTECT FUNCTION The AR-B1474 provides hardware and software write protect functions for small page 5V FLASH disk and only software write protected function for SRAM disk. This is to prevent your data on 5V FLASH or SRAM disk from accidental deletion or overwrite.
AR-B1474 User ¡¦ s Guide 4-6 4.4 WATCHDOG TIMER This section describes how to use the Watchdog Timer, disabled, enabled, and trigger. The AR-B1474 is equipped with a programmable time-out period watchdog timer. This watchdog timer can be enabled by your program.
AR-B1474 User ¡¦ s Guide 4-7 If you want to generate IRQ15 signal to warn your program when watchdog times out, the following table listed the relation of timer factors between time-out period. Time Factor Time-Out Period (Seconds) 0C0H 3 0C1H 6 0C2H 12 0C3H 18 0C4H 24 0C5H 30 0C6H 36 0C7H 42 Table 4 - 2 Time-Out Setting NOTE: 1.
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AR-B1474 User ¡¦ s Guide 5-1 5. SOLID STATE DISK The section describes the various type SSD s ’ installation steps as follows. This chapter describes the procedure of the installation. The following topics are covered: l Overview l Switch Setting l Jumper Setting l ROM Disk Installation 5.
AR-B1474 User ¡¦ s Guide 5-2 5.2.1 Overview There is 1 DIP Switch located on the AR-B1474. It performs the following functions: ON 123456 OFF 7 8 Figure 5 - 2 SW1: Switch Select SW1-1 & SW1-2 Se.
AR-B1474 User ¡¦ s Guide 5-3 5.2.4 SSD Drive Number (SW1-5 & SW1-6) The AR-B1474 SSD can simulate one or two disk drives. You can assign the drive letter of the AR-B1474 by configuring SW1-5 & SW1-6. You can make the computer to boot from SSD by copying DOS into the SSD.
AR-B1474 User ¡¦ s Guide 5-4 (2) Disk Drive Name Arrangement If any logical hard disk drives exist in your system, there will also be a different disk number depending on which version DOS you are using. The solid state disk drive number with there respective DOS drive designation are listed in table as follows.
AR-B1474 User ¡¦ s Guide 5-5 5.3 JUMPER SETTING Before installing the memory into memory sockets MEM1 through MEM3, you have to configure the memory type which will be used (ROM/RAM) on the AR-B1474. Each socket is equipped with a jumper to select the memory type.
AR-B1474 User ¡¦ s Guide 5-6 5.3.2 SSD Memory Type Setting (M1 ~ M3 & JP5) M1, M2 & M3 EPROM (128KX8, 256KX8 and 512KX8) 5V FLASH (64KX8, 128KX8 and 256KX8) (Factory Preset) 5V FLASH (512KX8.
AR-B1474 User ¡¦ s Guide 5-7 ON 123456 OFF 7 8 Figure 5 - 5 UV EPROM (27CXXX) Switch Setting M1, M2 & M3 EPROM (128KX8, 256KX8 and 512KX8) 1 2 3 A B C M1, M2 & M3 1 2 3 A B C 1 2 3 JP5 1MX8 .
AR-B1474 User ¡¦ s Guide 5-8 5.4.2 Large Page 5V FLASH Disk If you are using large page 5V FLASH as ROM disk, it is the same procedure as step 1 to step 4 of using the UV EPROM. (2) Switch and Jumper Setting Step 1: Use jumper block to set the memory type as ROM (FLASH).
AR-B1474 User ¡¦ s Guide 5-9 Turn on your system, and Program FLASH EPROMs. Step 4: NOTE: The FLASH EPROM program is built-in the AR-B1474 board. The FLASH EPROMs can be programmed on the AR-B1474.
AR-B1474 User ¡¦ s Guide 5-10 M1, M2 & M3 5V/12V FLASH (64KX8, 128KX8 and 256KX8) (Factory Preset) 5V FLASH (512KX8 Only) M1, M2 & M3 1 2 3 A B C 1 2 3 A B C 1 2 3 JP5 1 2 3 JP5 Figure 5 - 1.
AR-B1474 User ¡¦ s Guide 5-11 CAUTION: It is not recommended that the user formatted the disk and copy files to the FLASH disk very often. Since the FLASH EPRO M ’ s write cycle life time is about.
AR-B1474 User ¡¦ s Guide 5-12 5.4.5 Combination of ROM and RAM Disk The AR-B1474 can be configured as a combination of one ROM disk and one RAM disk. Each disk occupies a drive unit. Step 1: Use jumper block to select the proper ROM/RAM configuration you are going to use.
AR-B1474 User ¡¦ s Guide 5-13 (3) D.O.C. Setting (SW1-8) ON 123456 OFF 7 8 Figure 5 - 14 SW1-8 : D.O.C. Setting Note: There is 1 DIP switch located on the AR-B1474.
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AR-B1474 User ¡¦ s Guide 6-1 6. BIOS CONSOLE This chapter describes the AR-B1474 BIOS menu displays and explains how to perform common tasks needed to get up and running, and presents detailed explanations of the elements found in each of the BIOS menus.
AR-B1474 User ¡¦ s Guide 6-2 6.2 STANDARD CMOS SETUP 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, you will not need to select this option anymore.
AR-B1474 User ¡¦ s Guide 6-3 6.3 ADVANCED CMOS SETUP The <Advanced CMOS SETUP> option consists of configuration entries that allow you to improve your system performance, or let you set up some system features according to your preference. System BootUp Sequence The option determines where the system looks first for an operating system.
AR-B1474 User ¡¦ s Guide 6-4 Internal Cache Memory This option specifies the caching algorithm used for L1 internal cache memory. The settings are: Setting Description Disabled Neither L1 internal cache memory on the CPU or L2 secondary cache memory is enabled.
AR-B1474 User ¡¦ s Guide 6-5 OnBoard FDC This option enables the floppy drive controller on the AR-B1474. OnBoard IDE This option Enabled/Disabled the use of the IDE controller on the AR-B1474. Parallel Port Address This option is used to select the port address and the IRQ of the on-board parallel port.
AR-B1474 User ¡¦ s Guide 6-6 Parity Check This option enables or disables parity error checking for all system RAM. This option must be Disabled if the used DRAM SIMMs are 32-bit but not 36-bit devices. Slow Refresh This options sets the DRAM refresh cycle time.
AR-B1474 User ¡¦ s Guide 6-7 6.6 AUTO-DETECT HARD DISKS This option detects the parameters of an IDE hard disk drive, and automatically enters them into the Standard CMOS Setup screen. 6.7 PASSWORD SETTING This BIOS Setup has an optional password feature.
AR-B1474 User ¡¦ s Guide 6-8 6.9 BIOS EXIT This section is used to exit the BIOS main menu in two types situation. After making your changes, you can either save them or exit the BIOS menu and without saving the new values.
AR-B1474 User ¡¦ s Guide 7-1 7. SPECIFICATIONS CPU: 25-100 MHz INTEL/AMD/CYRIX 80486DX/DX2/DX4 Bus Interface: ISA (PC-AT) Bus and PC/104 Bus Chipset: ALI M1429 and M1431 RAM Memory: 1MB to 32MB usin.
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AR-B1474 User ¡¦ s Guide 8-1 8. PL ACEMENT & DIMENSIONS 8.1 PLACEMENT CN6 JP15 JP1 JP14 JP8 JP9 JP10 U17 U26 H16 JP3 H5 JP7 SW1 J5 P10 P8 P6 JP2 JP6 U13 J4 J3 P9 P7 P5 JP11 JP5 JP4 JP13 JP12 J2 .
AR-B1474 User ¡¦ s Guide 8-2 8.2 DIMENSIONS 85 100 1418 400 150 4800 700 150 300 294 6300 5500 1900 3200 620 100 525 200 200 200 1700 3000 3150 3190 2900 3290 7290 765 540 150 540 9−∅138 Unit: mil (1 inch = 25.
AR-B1474 User ¡¦ s Guide 9-1 9. MEMORY BANKS & PROGRAMMING RS-485 9.1 USING MEMORY BANK This section provides the information about how to access the memory on the AR-B1474 without using the AR- B1474 SSD BIOS. The AR-B1474 hardware divides every 8K bytes of memory into a memory bank.
AR-B1474 User ¡¦ s Guide 9-2 Example 1: Select the 10th bank of the MEM1 on the AR-B1474. The AR-B1474 is using 27C020 (256K*8), and the base port is &H210. 100 base_port=&H210 110 OUT base_port+0,&H59 Example 2: Select the 40th bank of MEM3 on the AR-B1474.
AR-B1474 User ¡¦ s Guide 9-3 (3) Send out one block data (Transmit – the data more than two characters) Step 1: Enable TXC signal, and the bit 0 of the address of offset+4 just sets “ 1 ” . Step 2: Send out the data. (Write all data to the offset+0 of the current COM port address) Step 3: Wait for the buffe r ’ s data empty.
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AR-B1474 User ¡¦ s Guide 10-1 10. SSD TYPES SUPPORTED & INDEX 10.1 SSD TYPES SUPPORTED The following list contains SRAMs supported by the AR-B1474: AKM AKM628128 (128Kx8, 1M bits) HITACHI HM6281.
AR-B1474 User ¡¦ s Guide 10-2 SGS-THOMSON M27C2001 (256Kx8, 2M bits) TI TMS27C020 (256Kx8, 2M bits) TOSHIBA TCS712000 (256Kx8, 2M bits) AMD Am27C040 (512Kx8, 4M bits) ATMEL AT27C040 (512Kx8, 4M bits.
AR-B1474 User ¡¦ s Guide 10-3 10.2 INDEX Name Function Page CN1 Hard disk (IDE) connector 3-3 CN2 FDD port connector 3-4 CN3 Parallel port connector 3-4 CN4 40-pin PC/104 connector bus C & D 3-5.
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