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IBM PC AR-B1851, User Manual

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IBM PC AR-B1851 User Manual Download Page 14

AR-B1851 User’s Guide 

AR-B1851 

14

3.2  Serial Ports(COM1~4) 

The AR-B1851 offers two high speeds NS16C550 compatible UARTs 
with Read/Receive 16 byte FIFO serial ports. 

 

•

 COM2 :  RS-232 Serial port (Pin Header) 

 

 

 
 
 
 

 

•

 COM1 : RS-232 with RS-422/485 Serial port(Pin Header) 

 

 

 

 

 
 
 

 
 
 

 
 
 
 
 
 
 
 
 
 
      
 
 
 
 
 

PIN DESCRIPTION  PIN DESCRIPTION 

1 

-DCD 

2 

-DSR 

3 RXD 4 -RTS 
5 

TXD 

6 

-CTS 

7 -DTR 8  -RI 
9 GND 10

NC 

PIN DESCRIPTION  PIN DESCRIPTION 

1 

-DCD 

2 

-DSR 

3 RXD 4 -RTS 
5 

TXD 

6 

-CTS 

7 -DTR 8  -RI 
9 GND 10

GND 

11 TX+ 12

TX- 

13 RX+ 14

RX- 

Summary of Contents for AR-B1851

Page 1: ...AR B1851 User s Guide AR B1851 Pentium M inside EPIC form factor On Board VGA LVDS with DDR SO DIMM built in Two LAN CF Type II Edition 1 1 Book Number AR B1851 2007 1 15 ...

Page 2: ... possibility of such damages This document contains proprietary information protected by copyright All rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer Trademarks AR B1851 is registered trademarks X Fire Acrosser IBM PC is a registered trademark of International Business Machine...

Page 3: ...Button Setting 10 2 3 CMOS Reset 11 2 4 Jumper description 11 Connection 13 3 1 Ultra ATA33 66 100 IDE Disk Drive Connector IDE1 13 3 2 Serial Ports COM1 4 14 3 3 Keyboard Mouse Connector MS_KB1 15 3 4 USB Port Connector USB1 4 15 3 5 Fan Connector FAN1 16 3 6 LAN RJ45 Connector LAN1 2 16 3 7 Compact Flash Storage Card Socket CF1 17 3 8 VGA Connector VGA1 18 ...

Page 4: ...Connector LVDS1 20 3 14 Speak Connector SPK1 19 Award BIOS Setup 21 4 1 Introduction 21 4 2 Starting Setup 21 4 3 Using Setup 21 4 4 Main Menu 23 4 5 Advanced BIOS Features 26 4 6 PnP PCI Configuration Setup 28 4 7 Peripheral 29 4 8 PC Health 31 4 9 Boot 32 4 10 Exit Selecting 33 Appendix A Watchdog Timer 35 Appendix B Digital I O 36 Appendix C I O Address Map 38 ...

Page 5: ...orts Two high speed 16C550 compatible UARTs ports COM1 can also support RS 422 485 USB port Support Four USB 2 0 compatible ports Audio Connector supports Line in Line out MIC in Digital IO Supports eight digital in and eight digital out TTL level I O ports IrDA Supports Serial Infrared SIR or Amplitude Shift Keyed IR ASKIR interface PS 2 Mouse Keyboard Connector Watchdog timer Time setting form 1...

Page 6: ...AR B1851 User s Guide AR B1851 6 Power Consumption 12V 5V Operating Temperature 10 60 C CPU needs Cooler Dimension 146mm W X 101 6mm L ...

Page 7: ...AR B1851 User s Guide AR B1851 7 1 2 What You Have In addition to this User s Manual the AR B1851 package includes the following items AR B1851 board User Manual Drive CD ...

Page 8: ...apter describes how to install the AR B1851 At first the layout of AR B1851 is shown and the unpacking information that you should be careful is described The jumpers and switches setting for the AR B1851 s configuration 2 1 AR B1851 s Layout Top Placement ...

Page 9: ...AR B1851 User s Guide AR B1851 9 Bottom Placement ...

Page 10: ...wer Connector CN5 Power Button Connector JP7 Power LED JP8 HDD LED CN6 Reset Button Connector Pin DESCRIPTION 1 12V 2 GND 3 5V 4 GND Pin DESCRIPTION 1 5VSB 2 Power ON Pin DESCRIPTION 1 5V 2 GND Pin DESCRIPTION 1 5V 2 GND Pin DESCRIPTION Open Normal Short Reset System ...

Page 11: ...iption JP2 Select CF Master or Slave mode JP3 COM1 2 Select RI is 12V or signal Pin DESCRIPTION 1 GND 2 PS_ON 3 5VSB JP1 DESCRIPTION 1 2 Normal Operation 2 3 Clear CMOS JP2 Description Short Master Open Slave PIN DESCRIPTION PIN DESCRIPTION 1 NRIA 2 NRIA_12V 3 12V 4 NRIA_12V 5 NRIB 6 NRIB_12V 7 12V 8 NRIB_12V ...

Page 12: ...AR B1851 User s Guide AR B1851 12 JP4 Select COM4 is RS232 or RS422 485 JP6 Select LCD Voltage JP4 Description 1 2 RS232 2 3 RS422 485 JP6 Description 1 2 3 3V 2 3 5V ...

Page 13: ...ry IDE Connector 44 Pins PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RESET 2 GROUND 3 DATA 7 4 DATA 8 5 DATA 6 6 DATA 9 7 DATA 5 8 DATA 10 9 DATA 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 N C 21 N C 22 GROUND 23 IOW 24 GROUND 25 IOR 26 GROUND 27 N C 28 BALE DEFAULT 29 N C 30 GROUND DEFAULT 31 INTERRUPT 32 IOCS16 DEFAULT 33 SA1 34 N C ...

Page 14: ...ad Receive 16 byte FIFO serial ports COM2 RS 232 Serial port Pin Header COM1 RS 232 with RS 422 485 Serial port Pin Header PIN DESCRIPTION PIN DESCRIPTION 1 DCD 2 DSR 3 RXD 4 RTS 5 TXD 6 CTS 7 DTR 8 RI 9 GND 10 NC PIN DESCRIPTION PIN DESCRIPTION 1 DCD 2 DSR 3 RXD 4 RTS 5 TXD 6 CTS 7 DTR 8 RI 9 GND 10 GND 11 TX 12 TX 13 RX 14 RX ...

Page 15: ...e PS2 Port 3 4 USB Port Connector USB1 4 The AR B1851 provides four USB port four pin header two connectors USB4 USB Connector USB3 USB Connector Pin header PIN DESCRIPTION PIN DESCRIPTION 1 KB_DAT 2 MS_DAT 3 GND 4 X 5 5V 6 KB_CLK 7 X 8 MS_CLK PIN DESCRIPTION PIN DESCRIPTION 1 VCC 2 VCC 3 USB 4 USB 5 USB 6 USB 7 GND 8 GND 9 USB_GND 10 USB_GND PIN DESCRIPTION PIN DESCRIPTION 1 VCC 2 VCC 3 USB0 4 US...

Page 16: ...r for CPU 3 6 LAN RJ45 Connector LAN1 2 AR B1851 is equipped with built in 10 100Mbps Option or 1000MbpsEthernet Controller You can connect it to your LAN through RJ45 LAN connector The pin assignments are as following LAN1 2 LAN RJ45 Connector PIN NO DESCRIPTION PIN NO DESCRIPTION 1 TX 5 N C 2 TX 6 RX 3 RX 7 N C 4 N C 8 N C PIN NO DESCRIPTION 1 GND 2 12V 3 PWM Signal 8 1 ...

Page 17: ...NO DESCRIPTION 1 GROUND 26 CARD DETECT1 2 D3 27 D11 3 D4 28 D12 4 D5 29 D13 5 D6 30 D14 6 D7 31 D15 7 CS1 32 CS3 8 N C 33 N C 9 GROUND 34 IOR 10 N C 35 IOW 11 N C 36 PULL HIGH 12 N C 37 IRQ15 13 VCC 38 VCC 14 N C 39 MASTER SLAVE 15 N C 40 N C 16 N C 41 RESET 17 N C 42 IORDY 18 A2 43 N C 19 A1 44 PULL HIGH 20 A0 45 ACTIVE 21 D0 46 PDIAG 22 D1 47 D8 23 D2 48 D9 24 N C 49 D10 25 CARD DETECT2 50 GROUN...

Page 18: ...l need to be rebooted with the MONITOR attached to enable the display The problem originates from the VBIOS of the IntelR Extreme Graphics Driver which disables the MONITOR output if a MONITOR is not detected during POST 3 9 AUDIO Connector AUDIO1 AUDIO1 Audio Pin Header PIN DESCRIPTION PIN DESCRIPTION 1 L_RED 2 L_GREEN 3 L_BLUE 4 MON2PU 5 GND 6 GND 7 GND 8 GND 9 5V 10 GND 11 MONOPU 12 5VDDCDA 13 ...

Page 19: ... DDR SDRAM The max Memory size is 2GB J1 DDR SODIMM Socket 3 11 8 BIT GPIO Connector GPIO1 GPIO1 8 BIT GPIO Connector 3 14 Speak Connector SPK1 SPK1 Speak out Connector through Amplifier PIN DESCRIPTION PIN DESCRIPTION 1 GP10 2 GP11 3 GP12 4 GP13 5 GP14 6 GP15 7 GP16 8 GP17 9 GND 10 VCC PIN NO DESCRIPTION 1 SPKR 2 GND 3 SPKL 4 GND ...

Page 20: ...2 17 SLIN 5 PD3 18 GND 6 PD4 19 GND 7 PD5 20 GND 8 PD6 21 GND 9 PD7 22 GND 10 ACK 23 GND 11 BUSY 24 GND 12 PE 25 GND 13 SLCT 26 X PIN DESCRIPTION PIN DESCRIPTION 2 GND 1 LVDS_PWR 4 LVDS_CLKBP 3 LVDS_CLKBM 6 LVDS_YBM2 5 GND 8 GND 7 LVDS_YBP2 10 LVDS_YBP1 9 LVDS_YBM1 12 LVDS_YBM3 11 LVDS_YBP3 14 LVDS_YBM0 13 LVDS_YBP0 16 LVDS_CLKAP 15 GND 18 GND 17 LVDS_CLKAM 20 LVDS_YAM2 19 LVDS_YAP2 22 LVDS_YAP1 2...

Page 21: ... By pressing Del immediately after switching the system on or 2 By pressing the Del key when the following message appears briefly at the bottom of the screen during the POST Power On Self Test Press DEL to enter SETUP If the message disappears before you respond and you still wish to enter Setup restart the system to try again by turning it OFF then ON or pressing the RESET button on the system c...

Page 22: ...in Menu Quit without saving changes Submenus Exit Current page to the next higher level menu Move Enter Move to the item you desired PgUp key Increase the numeric value or make changes PgDn key Decrease the numeric value or make changes key Increase the numeric value or make changes key Decrease the numeric value or make changes Esc key Exit Menu Quit and not save changes into CMOS Status Page Set...

Page 23: ...enu Selections Item Options Description Date MM DD YYYY Set the system date Time HH MM SS Set the system time IDE Primary Master Options are in its sub menu described in Table 3 Press Enter to enter the sub menu of detailed options IDE Primary Slave Options are in its sub menu described in Table 3 Press Enter to enter the sub menu of detailed options IDE Secondary Master Options are in its sub men...

Page 24: ...t the situation in which you want the BIOS to stop the POST process and notify you Base Memory N A Displays the amount of conventional memory detected during boot up Extended Memory N A Displays the amount of extended memory detected during boot up Total Memory N A Displays the total memory available in the system Table 1 Main Menu Selections IDE Adapters The IDE adapters control the hard disk dri...

Page 25: ...sful it fills the remaining fields on this menu IDE Primary Master None Auto Manual Selecting manual lets you set the remaining fields on this screen Selects the type of fixed disk User Type will let you select the number of cylinders heads etc Note PRECOMP 65535 means NONE Capacity Auto Display your disk drive size Disk drive capacity Approximated Note that this size is usually slightly greater t...

Page 26: ...bled Quick Power On Self Test This category speeds up Power On Self Test POST after you power up the computer If it is set to Enable BIOS will shorten or skip some check items during POST Enabled Enable quick POST Disabled Normal POST Full Screen LOGO Show This item allows you to enable or disable show full screen LOGO The Choice Enabled Disabled USB Keyboard Support This item allows you to enable...

Page 27: ...tem allows you to choose display interface The Choice Vbios default CRT EFP TV CRT EFP CRT TV Panel Type This item allows you to choose display panel type and resolution The Choice 640x480 800x600 1024x768 ACPI Function This item allows you to enable or disable Advanced Configuration and Power Management ACPI function The Choice Enabled Disabled ACPI Suspend Type This item allows you to Choose Sus...

Page 28: ...by going into each of the sub menu that follows this field a sub menu is preceded by a The choice Auto ESCD Manual IRQ Resources When resources are controlled manually assign each system interrupt a type depending on the type of device using the interrupt IRQ3 4 5 7 9 10 11 12 14 15 assigned to This item allows you to determine the IRQ assigned to the ISA bus and is not available to any PCI slot L...

Page 29: ...or the first and second serial ports The choice 3F8 IRQ4 2E8 IRQ3 3E8 IRQ4 2F8 IRQ3 Disabled Auto UART Mode Select Select the Function Mode for UART The choice IrDA ASKIR Normal Onboard Serial Port 3 Port 4 Select an address and corresponding interrupt for the first and second serial ports The choice 3F8 IRQ4 2E8 IRQ3 3E8 IRQ4 2F8 IRQ3 Disabled Auto ...

Page 30: ... contains a Universal Serial Bus USB controller and you have USB peripherals The Choice Enabled Disabled USB 2 0 Controller This Entry is for disable enable EHCI controller only The Bios itself may may not have high speed USB support If the Bios has high speed USB support built in the support will be automatically turn on when high speed device were attached The Choice Enabled Disabled AC97 AUDIO ...

Page 31: ...uide AR B1851 31 4 8 PC Health Figure 5 H W Monitor menu Shutdown Temperature This item allows the system to reset when temperature reach the trigger level The Choice Disabled 60 C 140 F 65 C 149 F 70 C 158 F 75 C 167 F ...

Page 32: ...e 6 Boot menu First Second Third Other Boot Device The BIOS attempts to load the operating system from the devices in the sequence selected in these items The Choice Floppy LS120 Hard Disk CDROM ZIP100 USB FDD USB ZIP USB CDROM On Board LAN Disabled ...

Page 33: ...n this item asks for confirmation Save to CMOS and EXIT Y N Y Pressing Y stores the selections made in the menus in CMOS a special section of memory that stays on after you turn your system off The next time you boot your computer the BIOS configures your system according to the Setup selections stored in CMOS After saving the values the system is restarted again Load Optimized Defaults ...

Page 34: ...ctory settings for optimal performance system operations Exit Without Saving Pressing Enter on this item asks for confirmation Quit without saving Y N Y This allows you to exit Setup without storing in CMOS any change The previous selections remain in effect This exits the Setup utility and restarts your computer Load Fail Safe Defaults Use this menu to load the BIOS default values that are factor...

Page 35: ...led after reset Once you enabled the watchdog timer your program should trigger the watchdog timer every time before it times out After you trigger the watchdogtimer the timer will be set to zero and start to count again If your program fails to trigger the watchdog timer before times out it will generate a reset pulse to reset the system or trigger the IRQ9 signal in order to tell your system tha...

Page 36: ... program as follow GPO Example Description O 2E 87 Eetended Functions Enable Register O 2E 87 Eetended Functions Enable Register O 2E 2A Select CR2A O 2F FC Define the PINs as GPIO or Game Port 1 FC Pin 121 128 set as GPIO O 2E 07 EFIR EFER Extended Functions Index Register point to Logical Device Number Reg O 2F 07 EFDR EFIR 1 select logical device 7 GPIO in logical device 7 O 2E 30 select CR30 A...

Page 37: ...n121 128 set as GPIO O 2E 07 EFIR EFER Extended Functions Index Register point to Logical Device Number Reg O 2F 07 EFDR EFIR 1 select logical device 7 GPIO in logical device7 O 2E 30 select CR30 Active or inactive O 2F 01 set 01 Active 00 Inactive O 2E F0 select CRF0 Set the PINs be GPO or GPI Funciton O 2F FF set the PINs be GPI O 2E F1 select CRF1 Set the PINs be Read only I 2F Show the PINs Va...

Page 38: ...oard Controller 00000065 0000006F Mainboard Resource 00000070 00000073 System CMOS RTC 00000074 0000007F Mainboard Resource 00000080 00000090 DMA Controller 00000091 00000093 Mainboard Resource 00000094 0000009F DMA Controller 000000A0 000000A1 Programable interrupt controller 000000A2 000000BF Mainboard Resource 000000C0 000000DF DMA Controller 000000E0 000000EF Mainboard Resource 000000F0 000000...

Page 39: ...0000FBC 00000FBF Mainboard Resource 0000D000 0000D03F 100M Network Connection 0000D100 0000D13F 100M Network Connection 2 0000E000 0000E0FF AC 97 Audio 0000E800 0000E81F USB Universal Host Controller 0000E900 0000E907 Graphics Controller 0000EB00 0000EB1F USB Universal Host Controller 0000EC00 0000EC3F AC 97 Audio 0000ED00 0000ED1F USB Universal Host Controller 0000F000 0000F00F Ultra ATA Storage ...

Page 40: ...ork connection 2 E8050000 E8050FFF 100M Network connection E8051000 E8051FFF 100M Network connection 2 E8100000 E817FFFF Graphics Controller E8180000 E81FFFFF Graphics Controller E8200000 E82003FF USB2 Enhanced Host Controller E8201000 E82011FF AC 97 Audio E8202000 E82020FF AC 97 Audio FEBFFC00 FEBFFFFF Ultra ATA Storage Controller FEC00000 FECFFFFF System Mainboard FEE00000 FEEFFFFF System Mainbo...

Page 41: ...stem CMOS RTC IRQ17 PCI AC 97 IRQ9I ISA ACPI Compliant IRQ18 PCI USB Universal IRQ10 ISA COM4 IRQ19 PCI USB Universal IRQ11 ISA COM3 IRQ20 PCI Network 2 IRQ12 ISA Mouse IRQ21 PCI Network IRQ13 ISA Math Coprocessor IRQ23 PCI USB2 Enhanced IRQ14 ISA Primary IDE DMA Channel Assignments CHANNEL FUNCTION 0 Available 1 Available 2 Available 3 Available 4 Cascade for DMA controller 1 5 Available 6 Availa...

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