Acrosser Technology 486DX2 User Manual Download

Page: 12 / 81

AR-B1462 User

¡¦

s Guide

2-4

I/O Pin

Signal Name

Input/Output I/O Pin

Signal Name

Input/Output

A14

SA17

Input/Output

B14

-IOR

Input/Output

A15

SA16

Input/Output

B15

-DACK3

Output

A16

SA15

Input/Output

B16

DRQ3

Input

A17

SA14

Input/Output

B17

-DACK1

Output

A18

SA13

Input/Output

B18

DRQ1

Input

A19

SA12

Input/Output

B19

-REFRESH

Input/Output

A20

SA11

Input/Output

B20

BUSCLK

Output

A21

SA10

Input/Output

B21

IRQ7

Input

A22

SA9

Input/Output

B22

IRQ6

Input

A23

SA8

Input/Output

B23

IRQ5

Input

A24

SA7

Input/Output

B24

IRQ4

Input

A25

SA6

Input/Output

B25

IRQ3

Input

A26

SA5

Input/Output

B26

-DACK2

Output

A27

SA4

Input/Output

B27

Output

A28

SA3

Input/Output

B28

BALE

Output

A29

SA2

Input/Output

B29

+5V

Power

A30

SA1

Input/Output

B30

OSC

Output

A31

SA0

Input/Output

B31

GND

Ground

Table 2-3 I/O Channel Pin Assignments

I/O Pin Signal Name

Input/Output

I/O Pin

Signal Name

Input/Output

-SBHE

Input/Output

-MEMCS16

Input

LA23

Input/Output

-IOCS16

Input

LA22

Input/Output

IRQ10

Input

LA21

Input/Output

IRQ11

Input

LA20

Input/Output

IRQ12

Input

LA19

Input/Output

IRQ15

Input

LA18

Input/Output

IRQ14

Input

LA17

Input/Output

-DACK0

Output

-MRD16

Input/Output

DRQ0

Input

C10

-MWR16

Input/Output

D10

-DACK5

Output

C11

SD8

Input/Output

D11

DRQ5

Input

C12

SD9

Input/Output

D12

-DACK6

Output

C13

SD10

Input/Output

D13

DRQ6

Input

C14

SD11

Input/Output

D14

-DACK7

Output

C15

SD12

Input/Output

D15

DRQ7

Input

C16

SD13

Input/Output

D16

+5V

Power

C17

SD14

Input/Output

D17

-MASTER

Input

C18

SD15

Input/Output

D18

GND

Ground

Table 2-4 I/O Channel Pin Assignments

Summary of Contents for 486DX2

Page 1: ...AR B1462 INDUSTRIAL GRADE 486DX DX2 DX4 CPU CARD User s Guide Edition 2 0 Book Number AR B1462 99 A02 ...

Page 2: ......

Page 3: ...tor CN9 3 4 3 2 4 PC 104 Connector 3 5 3 2 5 LED Header LM1 3 7 3 2 6 Serial Port 3 7 3 2 7 Keyboard Connector 3 11 3 2 8 External Speaker Header J9 3 11 3 2 9 Power Connector 3 11 3 2 10 Reset Header J6 3 12 3 2 11 PS 2 Mouse Connector 3 12 3 2 12 Battery Setting 3 13 3 2 13 26 Pin Audio Connector CN10 3 13 3 2 14 CPU Setting 3 14 3 2 15 PCI Connector 3 15 3 2 16 Memory Setting 3 16 3 3 ETHERNET ...

Page 4: ...NSTALLATION 6 12 7 BIOS CONSOLE 7 1 7 1 BIOS SETUP OVERVIEW 7 1 7 2 STANDARD CMOS SETUP 7 2 7 3 ADVANCED CMOS SETUP 7 3 7 4 ADVANCED CHIPSET SETUP 7 6 7 5 PERIPHERAL SETUP 7 7 7 6 AUTO DETECT HARD DISKS 7 7 7 7 PASSWORD SETTING 7 7 7 7 1 Setting Password 7 8 7 7 2 Password Checking 7 8 7 8 LOAD DEFAULT SETTING 7 8 7 8 1 Auto Configuration with Optimal Setting 7 8 7 8 2 Auto Configuration with Fail...

Page 5: ...ckage The AR B1462 diskette provides the newest information about the card Please refer to the README DOC file of the enclosed utility diskette It contains the modification and hardware software information and adding the description or modification of product function after manual published 0 4 RETURNING YOUR BOARD FOR SERVICE If your board requires servicing contact the dealer from whom you purc...

Page 6: ...ramming RS 485 Index 0 7 STATIC ELECTRICITY PRECAUTIONS Before removing the board from its anti static bag read this section about static electricity precautions Static 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 to observe basic precautions wheneve...

Page 7: ...that the system does not hang up if a program can not execute normally A super I O chip SMC37C669 is embedded in the AR B1462 card It combines functions of a floppy disk drive adapter a hard disk drive IDE adapter four serial with 16C550 UART adapters and 1 parallel adapter The I O port configurations can be done by set the BIOS setup program As an UART the chip supports serial to parallel convers...

Page 8: ...n the accessories also added as follows l 1 AR B9425 card l 1 audio adapter cable 1 3 FEATURES The 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 l All In One designed 486DX DX2 DX4 CPU card l Supports 25 to 133 MHz 3 3V 3 45V 5V CPU with voltage regulator l Supports ISA bus ...

Page 9: ...ation of DMA channels DMA Controller 1 DMA Controller 2 Channel 0 Spare Channel 4 Cascade for controller 1 Channel 1 IBM SDLC Channel 5 Spare Channel 2 Diskette adapter Channel 6 Spare Channel 3 Spare Channel 7 Spare Table 2 1 DMA Channel Controller 2 2 KEYBOARD CONTROLLER The 8042 processor is programmed to support the keyboard serial interface The keyboard controller receives serial data from th...

Page 10: ...t service routine to execute Following is the system information of interrupt levels IRQ8 Real time clock IRQ9 Rerouting to INT 0Ah from hardware IRQ2 IRQ10 Reserved for LAN IRQ11 Serial port 4 IRQ12 spare PS 2 mouse IRQ13 Math coprocessor IRQ14 Hard disk adapter IRQ15 spare Watchdog Timer In Interrupt Level NMI CTRL1 IRQ 0 IRQ 1 IRQ 2 IRQ 3 IRQ 4 IRQ 5 IRQ 6 IRQ 7 CTRL2 Parity check Description S...

Page 11: ...rototype card streaming type adapter 320 33F LAN adapter 378 37F Parallel printer port 1 LPT 1 380 38F SDLC bisynchronous 3A0 3AF Bisynchronous 3B0 3BF Monochrome display and printer port 3 LPT 3 3C0 3CF EGA VGA adapter 3D0 3DF Color graphics monitor adapter 3E8 3EF Serial port 3 COM 3 3F0 3F7 Diskette controller 3F8 3FF Serial port 1 COM 1 Table 2 2 I O Port Address Map 2 3 2 I O Channel Pin Assi...

Page 12: ...9 5V Power A30 SA1 Input Output B30 OSC Output A31 SA0 Input Output B31 GND Ground Table 2 3 I O Channel Pin Assignments I O Pin Signal Name Input Output I O Pin Signal Name Input Output C1 SBHE Input Output D1 MEMCS16 Input C2 LA23 Input Output D2 IOCS16 Input C3 LA22 Input Output D3 IRQ10 Input C4 LA21 Input Output D4 IRQ11 Input C5 LA20 Input Output D5 IRQ12 Input C6 LA19 Input Output D6 IRQ15 ...

Page 13: ...D Status register D 0E Diagnostic status byte 0F Shutdown status byte 10 Diskette drive type byte drive A and B 11 Fixed disk type byte drive C 12 Fixed disk type byte drive D 13 Reserved 14 Equipment byte 15 Low 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 ...

Page 14: ...sible 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 base 3 Line control X base 4 MODEM control X base 5 Line status X base 6 MODEM status X base 7 Scratched register 1 base 0 Divisor latch least significant byte 1 base 1 Divisor latch most significant byte Table 2 6 ACE Ac...

Page 15: ...S 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 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 8 MODEM Status Register MSR Bit 0 Delta Clear to Send DCT...

Page 16: ...1 Table 2 7 Serial Port Divisor Latch 2 7 PARALLEL PORT 1 Register Address Port Address Read Write Register base 0 Write Output data base 0 Read Input data base 1 Read Printer status buffer base 2 Write Printer control latch Table 2 8 Registers Address 2 Printer Interface Logic The parallel portion of the SMC37C669 makes the attachment of various devices that accept eight bits of parallel data at ...

Page 17: ...is off line during printing or when the print head is changing position or in an error state When Bit 7 is active the printer is busy and can not accept data Bit 6 This bit represents the current state of the printer s ACK signal A0 means the printer has received the character and is ready to accept another Normally this signal will be active for approximately 5 microseconds before receiving a BUS...

Page 18: ...put buffers in the parallel port are disabled allowing data driven from external sources to be read when logic 0 they work as a printer port This bit is write only Bit 4 A1 in this position allows an interrupt to occur when ACK changes from low state to high state Bit 3 A1 in this bit position selects the printer Bit 2 A0 starts the printer 50 microseconds pulse minimum Bit 1 A1 causes the printer...

Page 19: ...upported 2MB on board VRAM The AR B1462 only supported 1MB on board VRAM 1 1 1 1 BANK0 BANK1 LCD 1 1 1 1 3V 5V 1 1 1 1 1 1 1 1 2 3 1 1 2 3 A B C M4 1 2 3 A B C M3 1 2 3 A B C M2 1 2 3 A B C M1 MEM1 MEM2 MEM3 MEM4 A B C M5 1 1 IDE 1 M6 1 3 5 3 2 2 53 2 2 1 1 1 1 2 1 2 1 U60 U59 JP12 U6 U11 J7 CN2 SW1 J5 J10 J4 J3 J2 J8 LM1 P10 P8 P6 P2 P12 P4 JP4 JP3 JP1 J9 P9 P7 P5 P1 P11 P3 JP9 JP8 JP7 JP6 JP5 JP...

Page 20: ...N Do not touch any electronic component unless you are safely grounded Wear a grounded wrist strap or touch an exposed metal part of the system unit chassis The static discharges from your fingers can permanently damage electronic components 3 2 1 FDD Port Connector CN8 The AR B1462 provides a 34 pin header type connector for supporting up to two floppy disk drives To enable or disable the floppy ...

Page 21: ... D12 10 D11 8 D10 6 D9 28 Not Used 32 IO16 30 GROUND 26 GROUND 24 GROUND 22 GROUND 20 Not Used 18 D15 34 Not Used 36 HDA2 38 HDCS1 40 GROUND CN5 Figure 3 3 CN5 Hard Disk IDE Connector Caution When the CN5 is used to connect the hard disk drive if you find it can not make partition please change the hard disk cable to below 35cm in length 2 44 Pin Hard Disk IDE Connector CN7 AR B1462 also provides ...

Page 22: ...ACK1 19 BUSY1 21 PE1 23 SLCT1 25 2 AFD1 6 INIT1 4 ERR1 10 GND 8 SLIN1 14 GND 12 GND 18 GND 16 GND 22 GND 20 GND 26 GND 24 GND Figure 3 5 CN9 Parallel Port Connector CN9 DB 25 Signal CN9 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 1...

Page 23: ... B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 IRQ6 IRQ5 IRQ4 IRQ3 DACK2 TC BALE 5 VDC OSC GND GND CN11 1 2 Figure 3 7 CN11 64 Pin PC 104 Connector Bus A B 2 40 Pin PC 104 Connector Bus C D CN12 1 2 39 40 40 Pin PC 104 Connector Figure 3 8 CN12 40 Pin PC 104 Connector Bus C D GND SBHE LA23 LA22 LA21 LA20 LA19 LA18 LA17 MRD16 MWR16 ...

Page 24: ...ut Output The I O write signal is an active low signal which instructs the I O device to read data from the data bus SMEMR Output The System Memory Read is low while any of the low 1 mega bytes of memory are being used MEMR Input Output The Memory Read signal is low while any memory location is being read SMEMW Output The System Memory Write is low while any of the low 1 mega bytes of memory is be...

Page 25: ...lector The Zero Wait State indicates to the microprocessor that the present bus cycle can be completed without inserting additional wait cycle Table 3 2 I O Channel Signal s Description 3 2 5 LED Header LM1 The AR B1462 provides one module for various LEDs headers 1 4 2 7 5 3 8 6 5V Power LED Header Watchdog LED Header LAN LED Header HDD LED Header LM1 Figure 3 10 LM1 LED Header 3 2 6 Serial Port ...

Page 26: ... Setting 7 8 ON 1 2 3 4 5 6 OFF SW1 8 TTL 7 8 9 10 9 10 Figure 3 13 SW1 8 COM A RS 232 TTL Select D COM B RS 232C RS 422 Select SW1 9 SW1 10 ON 1 2 3 4 5 6 OFF SW1 9 SW1 10 RS 232 Factory Presetting 7 8 ON 1 2 3 4 5 6 OFF SW1 9 SW1 10 RS 485 7 8 10 9 10 9 Figure 3 14 SW1 9 SW1 10 COM B RS 232 RS 422 Select ...

Page 27: ...s to set the transmitter to the controlled by DTR and set the transmitter Receiver is disabled 2 The receiver is always enabled so you will receive data that you transmitted previously It is not recommended to use this setting as RS 485 interface 2 RS 485 RS 422 Connector CN15 1 9 11 13 15 17 19 3 5 7 8 10 6 4 2 20 18 16 14 12 Figure 3 16 CN15 RS 485 RS 422 Connector CN15 Signal CN15 Signal 1 DCDA...

Page 28: ...6 4 2 30 28 26 24 22 20 18 16 40 38 36 34 32 5 4 3 2 1 6 7 8 9 COM A 5 4 3 2 1 6 7 8 9 COM B 5 4 3 2 1 6 7 8 9 COM C 5 4 3 2 1 6 7 8 9 COM D Figure 3 18 CN4 RS 232 Connector CN4 DB 9 Signal CN4 DB 9 Signal 1 A 1 DCDA 2 A 6 DSRA 3 A 2 RXDA 4 A 7 RTSA 5 A 3 TXDA 6 A 8 CTSA 7 A 4 DTRA 8 A 9 RIA 9 A 5 GNDA 10 GNDA 11 B 1 DCDB 12 B 6 DSRB 13 B 2 RXDB 14 B 7 RTSB 15 B 3 TXDB 16 B 8 CTSB 17 B 4 DTRB 18 B...

Page 29: ...5 6 5 CLOCK 6 Pin Midi Din Front View 2 DATA 4 GND 1 CLOCK 5 VCC 3 GND J4 1 2 3 4 5 Figure 3 20 J4 Keyboard Connector 3 2 8 External Speaker Header J9 Besides the onboard buzzer you can use an external speaker by connecting to the J9 header 1 Speaker 2 Speaker 3 Speaker 4 Speaker 1 2 3 4 Figure 3 21 J9 Speaker Header 3 2 9 Power Connector 1 8 Pin Power Connector J1 J1 is an 8 pin power connector Y...

Page 30: ...mouse will not function 1 2 JP2 Enable 1 2 JP2 Disable Factory Preset Figure 3 25 JP2 PS 2 Mouse IRQ12 Setting CAUTION After adjusting the JP2 correctly the user must set the PS 2 Mouse Support option to Enabled in the BIOS Advanced CMOS Setup Menu Then the PS 2 mouse can be used 2 PS 2 Mouse Connector J5 To use the PS 2 interface an adapter cable has to be connected to the J5 6 pin header type co...

Page 31: ... B1462 does not source charge current to the external battery which connects to J8 1 Battery 2 Battery Figure 3 28 J8 External Battery Connector 3 2 13 26 Pin Audio Connector CN10 The AR B1462 didn t support the audio function only using the AR B1462A just find this connector CN10 1 2 3 5 7 9 11 13 15 4 6 8 10 12 14 16 17 18 19 20 21 22 23 24 25 26 Figure 3 29 CN10 26 Pin Audio Connector CN10 Sign...

Page 32: ...t on chip memory management and caching the 486 processor relaxes requirements for memory response for a given level of system performance 1 CPU Logic Core Voltage Select M6 P3 1 3 5 P4 3 45V Factory Default Setting P3 1 3 5 P4 5V 1 2 3 1 2 3 M6 Figure 3 30 M6 CPU Logic Core Voltage 2 AMD 3X 4X CPU Select JP11 1 2 JP11 AMD 4X 1 2 AMD 3X Factory Default Setting Figure 3 31 JP11 AMD 3X 4X CPU Select...

Page 33: ...Signal CN1 Signal CN1 Signal 1 TRST 2 12V 61 12V 62 TCK 3 TMS 4 TDI 63 GND 64 TD0 5 5V 6 INTA 65 5V 66 5V 7 INTC 8 5V 67 INTB 68 INTD 9 NC 10 5V 69 PRST1 70 NC 11 NC 12 GND 71 PRST2 72 GND 13 GND 14 NC 73 GND 74 NC 15 RST 16 5V 75 GND 76 CLK 17 GNT 18 GND 77 GND 78 REQ 19 NC 20 AD30 79 5V 80 AD31 21 3 3V 22 AD28 81 AD29 82 GND 23 AD26 24 GND 83 AD27 84 AD25 25 AD24 26 IDSEL 85 3 3V 86 C BE3 27 3 3...

Page 34: ...rformance than a write through cache system The BIOS Setup program allows you to set the cache scheme either write back or write through either the internal cache selection 1 2 JP10 Write Through 1 2 Write Back Factory Default Setting Figure 3 36 JP10 Write Through Write Back CPU Select 3 3 ETHERNET CONTROLLER The Ethernet controller of the AR B1462 is a highly integrated design that provides all ...

Page 35: ... CN2 1 2 3 5 7 9 11 13 15 4 6 8 10 12 14 16 1 2 3 5 7 9 11 13 15 4 6 8 10 12 14 DB 15 Figure 3 38 CN2 AUI Connector CN2 DB 15 Signal CN2 DB 15 Signal 1 1 GND 2 9 T5CD 3 2 T5CD 4 10 T5TX 5 3 T5TX 6 11 GND 7 4 GND 8 12 T5RX 9 5 T5RS 10 13 12V 11 6 GND 12 14 GND 13 7 Not Used 14 15 Not Used 15 8 GND 16 Not Used Table 3 10 AUI Connector Pin Assignment ...

Page 36: ......

Page 37: ...possess certain characteristics to display the mode you want To connect to a CRT monitor an adapter cable has to be connected to the CN13 connector CN13 is used to connect with a VGA monitor when you are using the on board VGA controller as a display adapter CN13 is a 10 pin connector that attaches to the CRT monitor via a HD sub 15 pin adapter cable Pin assignments for the CN13 HDB15 connector is...

Page 38: ...nel Inverter Board VBL Control 12V 5V VEE FL HIGH Voltage Figure 4 2 LCD Panel Block Diagram The block diagram shows that the AR B1462 still needs components to use with a LCD panel The inverter board provides the control for the brightness and the contrast of the LCD panel The inverter is also the components that supply the high voltage to drive the LCD panel Each item will be explained further i...

Page 39: ...om M or LP Select JP6 1 2 3 1 2 3 DE M E LP Factory Preset Figure 4 4 JP6 DE E Signal from M or LP 2 DENAVEE DVEE Signal Select JP5 1 2 3 1 2 3 DENAVEE DVEE Factory Preset Figure 4 5 JP5 DENAVEE DVEE Signal Select 3 LCD Control Connector J10 J10 is a 5 pin connector that attaches to the Contrast and Backlight board Its pin assignment is shown below 1 2 3 4 5 1 ENABLK 2 ENVEE 3 12V 4 GND 5 VEE Figu...

Page 40: ...st of standard LCD panels Consult your Acrosser representative for new developments When using other models of standard LCD panels in the market NO Manufacture Model No Description 1 NEC NL 6448AC30 10 TFT 9 4 2 NEC NL 6448AC32 10 TFT 10 2 3 NEC NL 6448AC33 10 TFT 10 4 4 HITACHI LMG5371 MONO 9 4 Dual Scan 5 HITACHI LMG9200 DSTN 9 4 6 HITACHI LMG9400 DSTN 10 4 7 ORION OGM 640CN03C S DSTN 10 4 8 SHA...

Page 41: ... cables are connected to pin 1 of the related connector Step 7 Connect the hard disk floppy disk flat cables from the CPU card to the drives Connect a power source to each drive Step 8 Plug the keyboard into the keyboard connector Step 9 Turn on the power Step 10 Configure your system with the BIOS Setup program then re boot your system Step 11 If the CPU card does not work turn off the power and ...

Page 42: ...the Windows Version 3 1 item notice the function key defined Press ENTER selected the All Resolutions when this line appears symbol that means this item is selected Press End starts to install Step 7 The screen will show the dialog box to demand user typing the WIN31 s path The default is C WINDOWS Step 8 Follow the setup steps messages execute As completed the setup procedure will generate the me...

Page 43: ...ze and other functions Please refer to the messages during installation 3 WINNT Driver For the WINNT4 0 and WINNT3 5 operating system user must in the DOS mode decompress the compress file And then the following steps are for WINNT4 0 if you use WINNT3 5 for the disk 3 as to the steps Step 1 Make the new created directory to put the VGA drivers C MD VGANT40 Step 2 Insert the Utility Disk 2 in the ...

Page 44: ...S 2 command prompt type the following commands to copy the files to the OS 2 drive C VGAOS2 SETUP C VGAOS2 C ENTER Step 6 When the Setup Program is completed you will need to perform a shutdown and then restart the system in order for changes to take effect Step 7 Please refer to the README TXT file there is detail description user had to according to the installation step by step When install com...

Page 45: ...ct the From Disk Install item and type the factory source files path C AUW95 Step 5 And then you can find the ES1869 Plug and Play AudioDrive item select it and click the OK button Step 6 Finally the installation is completed and user must reboot the system 3 WINNT Driver For the WINNT4 0 and WINNT3 5 operating system user must in the DOS mode decompress the compress file And then the following st...

Page 46: ...directory to install the files The default directory is C AUDIODRV and then press the ENTER key the installation is completed 5 2 3 Network SSD Utility The first diskette provides two functions for user application The file list is as follow UM9008 ZIP PKUNZIP EXE README DOC The third diskette also provides SSD functions drivers The file list is as follow SSD DIR WD1462 EXE WP1462 EXE RFG EXE RFGD...

Page 47: ...ny EPROMs are needed and generate the same number of ROM pattern files These ROM pattern files are named with the name assigned by the ROM_NAME in the PGF and the extension names are R01 R02 etc To generate ROM pattern files The ROM File Generator main menu will be displayed on the screen There are 7 options on the main menu They serve the following functions Quit to DOS Quits and exits to the DOS...

Page 48: ...ON command The PGF lists what files will be copied and if DOS is going to be copied This file can have any DOS filename but the extension name must be PGF For example followings are valid filenames RFGDEMO PGF MYRFG PGF MSDOS PGF An examples of the PGF file is as follow ROM_NAME TEST1 ROM pattern file name is TEST1 The output file names will be TEST1 R01 TEST1 R02 etc DOS_DRIVE C DOS system drive ...

Page 49: ...ogram must trigger the watchdog timer every time before it times out After you trigger the watchdog timer it will be set to zero and start to count again If your program fails to trigger the watchdog timer before time out it will generate a reset pulse to reset the system or trigger the IRQ15 signal to tell your program that the watchdog is times out The factor of the watchdog timer time out const...

Page 50: ...eriod at 24 seconds 1000 REM Points to command register 1010 WD_REG 214H 1020 REM Timer factor 84H or 0C4H 1030 TIMER_FACTOR H84 1040 REM Output factor to watchdog register 1050 OUT WD_REG TIMER_FACTOR etc 5 3 3 Watchdog 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 ...

Page 51: ...allows you to prevent your data on small page 5V FLASH or SRAM disk from accidental deletion or overwrite Data retention of SRAM is ensured by an on board Lithium battery or an external battery pack that could be connected to the AR B1462 6 2 SWITCH SETTING We will show the locations of the AR B1462 switch and the factory default setting CAUTION The switch setting needs to adjust with the jumpers ...

Page 52: ...rmware Address Select SW1 2 The AR B1462 s SSD firmware occupies 32KB of memory SW1 2 is used to select the memory base address You must select an appropriate address so that the AR B1462 will not conflict with memory installed on other add on memory cards Additionally be sure not to use shadow RAM area or EMM driver s page frame in this area SW1 2 SSD BIOS Address Bank Memory Address OFF D000 0 1...

Page 53: ...y pressing the ESC key during system bootup 2 If there is no DOS on this SSD the disk number will be 2 C or D or If any DOS is found by the AR B1462 SSD BIOS the disk number will be 0 A But you can change the disk number from 0 to 2 by pressing the ESC key during system bootup 2 Simulate 2 Disk Drive When FLASH EPROM and SRAM are both used on the AR B1462 or you only have installed SRAM that does ...

Page 54: ...rive Number for DOS Version before 5 0 Floppy disk No Logical hard disk Condition 0 1 2 3 1 2 3 4 No Logical hard disk A B C D 1 Logical hard disk A B D E C 2 Logical hard disk A B E F C D 3 Logical hard disk A B F G C D E 4 Logical hard disk A B G H C D E F Table 6 6 SSD Drive Number for DOS Version 5 0 and Newer 6 2 5 ROM Type Select SW1 6 SW1 7 SW1 6 SW1 7 are used to select the memory type of ...

Page 55: ... FLASH EPROM disk ROM only a SRAM disk SRAM only or a combination of FLASH EPROM and SRAM disk It is not necessary to insert memory chips into all of the sockets The number of SRAM chips required depends on your RAM disk capacity The number of EPROM chips required depends on the total size of files that you plan to copy onto the ROM disk and whether or not it will be bootable Insert the first memo...

Page 56: ...ting 6 4 ROM DISK INSTALLATION The section describes the various type SSDs installation steps as follows The jumper and switch adjust as SSD s different type to set 6 4 1 UV EPROM 27Cxxx 2 Switch and Jumper Setting Step 1 Use jumper block to set the memory type as ROM FLASH Step 2 Select the proper I O base port firmware address disk drive number and EPROM type on SW1 Step 3 Insert programmed EPRO...

Page 57: ... the tools program will generate the ROM files for programming the EPROMs Step 7 Program the EPROMs Using the instruments of the EPROM writer to load and write the ROM pattern files into the EPROM chips Make sure that the EPROMs are verified by the program without any error Step 8 Install EPROM chips Be sure to place the programmed EPROMs R01 R02 into socket starting from MEM1 and ensure that the ...

Page 58: ... files generated by RFG EXE into the socket starting from MEM1 and ensure that the chips are installed in the sockets in the proper orientation Line up and insert the AR B1462 board into any free slot of your computer Turn on your system and Program FLASH EPROMs Step 4 NOTE The FLASH EPROM program is built in the AR B1462 board The FLASH EPROMs can be programmed on the AR B1462 Before programming ...

Page 59: ... reset 6 4 3 Small Page 5V FLASH ROM Disk 1 Switch and Jumper Setting Step 1 Use jumper block to set the memory type as ROM FLASH Step 2 Select the proper I O base port firmware address disk drive number and EPROM type on SW1 Step 3 Insert programmed EPROM s or FLASH s chips into sockets starting at MEM1 ON 1 2 3 4 5 6 7 8 9 10 OFF Figure 6 8 5V FLASH 29CXXX 28EEXXX Switch Setting M1 M2 M3 M4 5V F...

Page 60: ...e system boot up this enables you to enter the FLASH setup program If the program does not show up check the switch setting of SW1 Step 2 Use Page Up Page Down Right and Left arrow keys to select the correct FLASH memory type and how many memory chips are going to be used Step 3 Press the F4 key to save the current settings Step 4 After the DOS is loaded use the DOS FORMAT command to format the FL...

Page 61: ... Step 1 Use jumper block to select the memory type as SRAM refer Step 2 Select the proper I O base port firmware address and disk drive number on SW1 Step 3 Insert SRAM chips into sockets starting from MEM1 Step 4 Turn on power and boot DOS from hard disk drive or floppy disk drive Step 5 Use the DOS command FORMAT to format the RAM disk If you are installing SRAM for the first time To format the ...

Page 62: ... solution offers a better faster and more cost effective Flash Disk for Single Board embedded systems The DiskOnChip provides a Flash Disk that does not require any bus slot or connector Simply insert the DiskOnChip into 32 pin socket MEM4 position on the CPU board It is the optimal solution for single board computers it is a small fully functional easy to integrate plug and play Flash Disk with a...

Page 63: ...skOnChip Memory Address Setting 3 Configuring the DiskOnChip as a Bootable Disk The DiskOnChip fully supports the BOOT capability In order for the DiskOnChip to be bootable it should be DOS formatted as bootable like any floppy or hard disk that required to be booted SYS D Change the disk into bootable assuming the DiskOnChip is disk D ...

Page 64: ......

Page 65: ...ested Press the Del key to enter the BIOS Setup program and then the main menu will show on the screen The BIOS Setup main menu includes some options Use the Up Down arrow key to highlight the option that you wish to modify and then press the Enter key to assure the option and configure the functions AMIBIOS HIFLEX SETUP UTILITY VERSION 1 16 C 1996 American Megatrends Inc All Rights Reserved Stand...

Page 66: ...s the types of floppy disk drives installed in the system To enter the configuration value for a particular drive highlight its corresponding field and then select the drive type using the left or right arrow key Hard Disk Setup The BIOS supports various types for user settings The BIOS supports Pri Master and Pri Slave so the user can install up to two hard disks For the master and slave jumpers ...

Page 67: ...anced CMOS Setup BootUp Sequence The option determines where the system looks first for an operating system BootUp Num Lock This item is used to activate the Num Lock function upon system boot If the setting is on after a boot the Num Lock light is lit and user can use the number key Floppy Drive Swap The option reverses the drive letter assignments of your floppy disk drives in the Swap A B setti...

Page 68: ...ternal Cache 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 WriteBack Use the write back caching algorithm WriteThru Use the write through caching algorithm Table 7 1 Internal Cache Setting External Cache This option specifies the caching ...

Page 69: ...video ROM is not copied to RAM The contents of the video ROM cannot be read from or written to cache memory Enabled The contents of C000h C7FFFh are written to the same address in system memory RAM for faster execution Cached The contents of the named ROM area are written to the same address in system memory RAM for faster execution if an adapter ROM will be using the named ROM area Also the conte...

Page 70: ...e BIOS Setup option determines the settings for one or more other BIOS Setup options the BIOS automatically assigns the dependent settings and does not permit the end user to modify these settings unless the setting for the parent option is changed Invalid options are grayed and cannot be selected AT Bus Clock This option sets the polling clock speed of ISA Bus PC 104 NOTE 1 PCLK means the CPU inp...

Page 71: ... port on the AR B1462 OnBoard Parallel Port This option enables the parallel port on the AR B1462 Parallel Port Mode This option specifies the parallel port mode ECP and EPP are both bidirectional data transfer schemes that adhere to the IEEE P1284 specifications Parallel Port DMA Channel This option is only available if the setting for the parallel Port Mode option is ECP OnBoard PCI IDE IDE Pref...

Page 72: ...ll BIOS Setup options Not only can you use these items to quickly set system configuration parameters you can choose a group of settings that have a better chance of working when the system is having configuration related problems 7 8 1 Auto Configuration with Optimal Setting User can load the optimal default settings for the BIOS The Optimal default settings are best case values that should optim...

Page 73: ...tion for you to easily upgrade newer BIOS version Please follow the operating steps for updating new BIOS Step 1 Insert the FLASH BIOS diskette into the floppy disk drive Step 2 Turn on your system and press Ctrl Home Hit the Ctrl key and Home key simultaneously just powered on Then the onboard BIOS will read new BIOS file named and AMIBOOT ROM from floppy drive and write to FLASH Step 3 If all st...

Page 74: ......

Page 75: ...ompatible chips with 128 bytes data RAM BIOS AMI Flash BIOS 128KB including VGA BIOS Flash Disk Supports 1 DiskOnChip socket BUS Drive Cap 15 TTL level loads maximum CE Design In Add EMI components to COM ports parallel port CRT keyboard and PS 2 mouse Indicator Power LED and watchdog LED Power Req 5V only 2 0A maximum base on Intel DX4 100 PC Board 8 layers EMI considered Dimensions 185 mmX122mm ...

Page 76: ...1 128Kx8 1M bits TI TMS27C010 128Kx8 1M bits TOSHIBA TCS711000 128Kx8 1M bits AMD Am27C020 256Kx8 2M bits ATMEL AT27C020 256Kx8 2M bits FUJITSU MBM27C2001 256Kx8 2M bits HITACHI HN27C201 256Kx8 2M bits INTEL D27C020 256Kx8 2M bits MITSHUBISHI M5M27C201 256Kx8 2M bits NEC D27C2001 256Kx8 2M bits NS NM27C020 256Kx8 2M bits SGS THOMSON M27C2001 256Kx8 2M bits TI TMS27C020 256Kx8 2M bits TOSHIBA TCS71...

Page 77: ...9 H10 CN1 12 5 GND CN3 J1 LED3 LED2 LED1 U17 U20 U27 U30 1 31 51 81 100 50 U26 1 31 51 81 100 50 U18 51 50 1 U11 51 50 1 U6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H J K L M N P Q R S 15 16 17 80486 U28 U34 CN16 CN13 CN15 CN9 CN10 CN8 CN5 CN4 CN7 CN14 J6 JP10 JP11 JP2 JP5 JP6 JP7 JP8 JP9 P3 P11 P1 P5 P7 P9 J9 JP1 JP3 JP4 P4 P12 P2 P6 P8 P10 LM1 J8 J2 J3 J4 J10 J5 1 104 105 U8 SW1 1 31 51 81...

Page 78: ...AR B1462 User s Guide 9 2 9 2 DIMENSIONS 8 138 2900 3975 200 4700 1600 8000 7600 3150 3825 3875 145 200 Unit mil 1 inch 25 4 mm 1000 mil ...

Page 79: ...haracter Transmit 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 this character to the offset 0 of the current COM port address Step 3 Wait for the buffer s data empty Check transmitter holding register THRE bit 5 of the address of offset 5 and transmitter shift register TSRE bit 6 of the address of offset 5 are all sets must be 0 Step ...

Page 80: ...NP 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 H60 0 THEN 60 70 REM Disable transmitter by resetting DTR 80 OUT H3FC INP H3FC AND HEF 90 RETURN c Receive one character from COM1 10 REM Check COM1 receiver buffer 20 IF LOF 1 256 THEN 70 30 REM Receiver buffer is empty 40 INPSTR 50 RETURN 60 REM Read one ...

Page 81: ...onnector 3 17 J4 Keyboard connector 3 11 J5 PS 2 mouse connector 3 12 J6 Reset header 3 12 J7 Keyboard lock header 3 11 J8 External battery connector 3 13 J9 External speaker header 3 11 J10 LCD control connector 4 4 LED1 3 3V power LED LED2 Watchdog LED LED3 5V LED LM1 LED header 3 7 JP1 PCI connector power select 3 15 JP2 PS 2 mouse IRQ12 setting 3 12 JP3 CPU base clock select 3 14 JP4 PCI clock...

Search results

Summary of Contents for 486DX2

Reviews:

Related manuals for 486DX2

Brands by name

Popular brands

Acrosser Technology 486DX2, User Manual

Search results

Summary of Contents for 486DX2

Reviews:

Related manuals for 486DX2

Brands by name

Popular brands