AR-B5432 Board User Manual
Contents
1. Change Return Description Show Title string void Show Help clrscr printf GPIO Test utility for F81865 n n printt GPIO50 Xt xEXEXEXET E 54 printt GPIO51 Xt XEXEXEXET E 55 printf GPIO52 GPIOS6 n printf GPIO53 EEXEXEXET 9 GPIOS7 n 34 AR B5432 series User Manual OSSER AR B5432 series User Manual Function Show Fail Return Description Show Fail Message void Show Fail textcolor LIGHTRED gotoxy 20 10 cprintf 2 5182811 zz zu gotoxy 20 11 X cprintf gotoxy 20 12 cprint spa ale gotoxy 20 13 cprintf gj ud gotoxy 20 14 af a o am o seas Function Show Pass Change Return Description Show Pass Message void Show Pass textcolor LIGHTGREEN gotoxy 20 10 cprintt za gotoxy 20 11 19 8 80 gotoxy 20 12 zzz zia gotoxy 20 13 a d 80 gotoxy 20 14 7 ae a auae 35 ECROSSER AR B5432 series User Manual eg ELECTRICAL CHARAC2. 4 Time nhimm ss 40 ot a as P 0 Master Halt on But Keyboard To set the system date Note that the Day automatically Date Setu N A changes when you date Time Setup N A To set the system time IDE Channel 0 Master Slave N A Press Enter to view the IDE device s information and IDE Channel 2 related parameters Master Slave All Errors No Errors To select the situation in which you want the BIOS to stop Halt On All But the POST process and notify you keyboard 17 ECROSSER AR B5432 series User Manual 3 2 Advanced Setup BEEF Advanced UNE Health Exit Item Help mE S1ze 12 L XED Memor y This category speeds up Power On Self Test POST after you have powered up the computer If it is set to Enabled BIOS will shorten or skip some check items during POST Quick Power On Enabled Self Test Disabled Full Screen Logo Enabled Select Enabled to show the OEM full screen logo if have Show Disabled add in BIOS CRT LVDS CRT LVDS Boot Display To set the display device TV CRT DVI 800x600 1024x768 Panel Type To set the LVDS panel resolution that you want To set the mode of Dynamic Video Memory Technology DVMT mode DVMT 18 ECROSSER AR B5432 series User Manual DVMT FIXED set the shared memory size for DVMT Memory Size
3. eee Ihe value xx equals of index 2 OR 01 2 issue signal WDTRST to reset system 666 3 80600203 S The value xx equals Ie of index 2F OR 20 start timer counting q To quit debug mode 27 ECR OSSER AR B5432 series User Manual WatchDog demo program in Turbo C as following include lt conio h gt include lt stdlib h gt include lt stdio h gt include lt dos h gt int main int argc char argv unsigned char IO Port Address Ox2E unsigned char Time int Temp if argc 2 Show_Help return 1 clrscr Time atoi argv 1 Set Watchdog 28 ECROSSER AR B5432 series User Manual outportb IO Port Address 0x87 Enter Configuration outportb IO Port Address 0x87 outportb IO Port Address 0x07 Point to Logical Device Number Reg outportb IO Port 1 0 07 Select logical device 7 Watchdog Function outportb IO Port Address 0x30 Device Active register outportb IO Port Address 1 0x01 outportb IO Port Address OxF5 Select Watchdog count mode seconds or minutes outportb IO Port Address 1 inportb IO Port Address 1 amp OxF7 Default is second bit320 outportb IO Port Address OxF5 Select Watchdog output mode outportb IO Port Address 1 inportb IO Port Address 1 0x10 Set to Pulse mode bit4 1 outportb IO Port Addr
4. 104 connector l l retention clear to PCI 104 pin B1 selection SETTING SETTING CMOS data retention Disconnected 104 connector Default Default Connected 5 CN4 Internal USB2 0 6 PWR3 Extra 12V and 5V DC connector for USB2 0 port Z3 power output connector for SATA device as SETTING wo oe SETTING PIN SETTING PIN SETTING 4 PWR5 External 12V DC power input connector SATA device connector 1 SATA device connector 2 CMOS battery holder 11 ECROSSER AR B5432 series User Manual 10 IR1 Infrared device 11 CN6 RS422 RS485 signal 12 LVDS1 LCD panel LVDS connector Optional connector 18 bit 36 bit connector serme seme 85485 DATA LCD VDD or RS422 TX re RS485 DATA Eoee or RS422 TX evo 5422 RX DU s etur v DE GER E E DataO won vw a tonal m serm pn serma m noun gt gp rora amore ra m e 13 Front panel 14 GPIO1 8 bit TTL 3 3V GPIO connector NOTE 1 connector STATUS SETTING SETTING UUUUTUTUUUWTuuuuu LCD VDD 30 LCD VDD 52 E GPIO 56 ATX mode E Even for dual channel EN GPIO 53 10
5. 31 5 Electrical Characteristics costumes um 36 5 1 Basic Electrical Characteristics 2 36 ECROSSER AR B5432 series User Manual INTRODUCTION Welcome to the AR B5432 Computer The AR B5432 is Intel 945GSE chipset based platform designed for low power consumption and wide operating temperature It Supports the Atom N270 processor while coming with a 533MHz Front Side Bus ECROSSER AR B5432 series User Manual 1 1 Specifications Processor on board Intel Atom N270 Single core and supports 2 Threads 1 6GHz core frequency 533MHz FSB 512KBs L2 cache 2 5W low TDP Chipset North Bridge Intel 945GSE One SODIMM socket supports DDR II 533 400 SODIMM and capacity up to 1GBs max DVMT 3 0 supports 224MBs graphics memory max shared with system memory Analog display supports 400MHz 256 bit RAMDAC resolution QXGA 2048x1536 075H2 18 bit 36 bit LVDS supports Single Dual channel LCD resolution UXGA 1600x1200 DVI D supports 165MHz pixel rate max resolution UXGA 1600x1200 Chipset South Bridge Intel 82801GM Two 5 connectors AC 97 Codec ALC655 supports 5 1 CH audio output Two PCl e GbE controllers Intel 82574L support 1000 100 10 Mbps LANs Six USB2 0 ports Supports 3 3V CompactFlash Type card with Ultra DMA mode 2 1 0 104 supports four PCI devices with PCI Bus Master mode e Super F
6. 57 Odd for single channel jumper shorted for AT mode Power button for 15 JP5 COM2 function RS232 RS422 RS485 selection 16 AUDIO1 5 1 channels Audio 17 SYSFAN1 System DC fan signal connector connector STATUS SETTING PIN SETTING SETTING SETTING COM2 as mos 2 umn E 3 AGND a a 2 ox 5 Line in Right 6 Line intet ra Fan speed data COM as 7 ACND ON OFF controlled by SR out Right mn SR out Left system temperature setting COM2 as PT 5485 __ _ 14 SEN out of BIOS 12 ECROSSER 18 COM1 D SUB 9 male connector for RS232 port 1 D SUB 9 male connector for RS232 port 1 21 COM2 RS232 signal connector for port 2 PIN SETTING PIN SETTING DECIDES ww 6 oma 8 24 PWR1 LCD panel inverter power connecior PIN SETTING DEN DEA os 2 3 4 19 RS232 signal connector for port 4 25 VGA1 D SUB 15 female connector for VGA output connector D SUB 15 female connector AR B5432 series User Manual 20 COM3 RS232 signal connector for port 3 rm em serme Pe 2 we SETTING PIN SETTING n Poom z osas DECIDES re ow 6 22 DVI D1 DVI D signal output 23
7. 3 3 Power Setup I Function A pag al S 84 nd V 19 ECROSSER AR B5432 series User Manual 3 4 PnP PCI Setup Advanced _ Power IPCI E Peripheral Heal Heal th_ Boot Gn qM Reset Configuration Data Item Help Re SOUTE es ont rolled By Auto ESCD Normally you leave this field Disabled Select Enabled to Reset Enabled reset Extended System Configuration Data ESCD when you Configuration Disabled exit setup If you have installed a new add on and the system Data reconfiguration has caused such a serious conflict then the operating system can not boot The Award Plug and Play BIOS has the capacity to automatically configure all of the boot and Plug and Play compatible devices However this capability means absolutely nothing unless you are using a Plug and Play operating system such as Windows 95 If you set this field to manual then you may choose specific resources by going into each of the submenus Resources Auto ESCD Controlled By Manual When resources are controlled manually assign a type to IRQ Resources N A each system interrupt depending on the type of the device that uses the interrupt 20 ECROSSER AR B5432 series User Manual 3 5 Peripherals Setup Advanced Power _ PnP PCI al Boot Em Item Help Onboard serial Port ibe rial ort
8. PWR2 LCD panel driving connector voltage selection sermo 2 ew s o 12 3 3 for LCD panel 5 om w fs ev 0a oo 26 TV out signal SETTING SETTING Luminance Reserved Ta Reserved for VGA output 8 picem ao 9 9 Chrominance t0 cno 2 13 ECROSSER AR B5432 series User Manual 29 CN3 USB A type stack connector for USB2 0 port 1 port 2 27 LAN1 RJ45 connector for 28 LAN2 RJ45 connector for Gigabit Ethernet port 1 Gigabit Ethernet port 2 RJ45 connector for Gigabit Ethernet port 1 Wake On LAN supported RJ45 connector for 2978 Upper Port 2 Gigabit Ethernet port 2 42831 Lower Port 1 30 CN8 USB A type stack 31 LED1 System standby connector for USB2 0 port 5 power and HDD access port 6 indicators 32 CPUFAN1 CPU DC fan connector Green Standby power IN sEmNG Upper Port 6 indicator gi Lower Port 5 Yellow HDD access He 2 indicator 33 SODIMM 1 200 pin 34 SKT1 32 PLCC socket for un buffered DDR II SODIMM flash EEPROM system BIOS socket access 35 CF1 Type IE compact flash card socket Supports DDR II 533 400MHz un buffered 32 socket for flash i 3 3V CF card only and and non E
9. Audio 31x31mm 652 mBGA ALC655 USB2 0 2 udav GIGA LAN 82574L GIGA LAN 82574 FirmWare Hub 49LF008A 8Mbits SUPER I O F81685F I COM2 Internal WatchDog CPU FAN SYSTEM FAN COM4 1 5232 485 422 Infrared 1to 255 sec min un controlled Speed controlled RS232 RS232 ECROSSER AR B5432 series User Manual H W INFORMATION This chapter describes the installation of AR B5432 First it shows the function diagram and the layout of AR B5432 Then describes the unpacking information which you should read carefully as well as the jumper switch settings for the AR B5432 configuration 2 1 Locations Top Side 9000 9 1 io 4 e oe 90000 0 LVDS1 SYSFAN1 6 COM3 COM2 CPUFAN1 DE e 5 55 AR B5432 series User Manual 2 2 Locations Bottom Side 33 0 o jo Ee O 1111711 m aad el 22250 CORN T S S 5 Se 23 di ENS SE AYA d Yo V VAY Ol 35 10 ECROSSER AR B5432 series User Manual 2 3 Connector and Jumper Setting 2 JP2 CMOS data 3 JP3 Signal SERIRQ connects 1 CN2
10. Ly n a n ab 1 Onboard Serial Port 1 Serial Port 1 3F8 IRQ4 Onboard Serial Port 2 Serial Port 2 2F8 IRQ3 Select an address and the corresponding Onboard Serial Port 3 Serial Port 3 3E8 IRQ11 for each serial port Onboard Serial Port 4 Serial Port 4 2E8 IRQ10 AC97 Auldo Select Enabled This item allows you to decide to Disabled enable disable AC97 Audio Press lt Enter gt to Enabled Disabled USB USB Device setting Press Enter controllers and 5 information IDE Device N A Press Enter to Enabled Disabled IDE SATA controllers set parameters ECROSSER AR B5432 series User Manual 3 6 PC Health Setup gt Oonchip IDE Device 22 ECROSSER AR B5432 series User Manual 3 Boot Setup Main Advanced Power First Boot Device Second Boot De I T pou ru BOOT ROM B x 2 L r m y pm DI ras aes Xj P Hard Disk Boot Priority First Second Third Boot Device Other Boot Device Lan Boot Select Hard Disk Boot Priority Hard Disk CDROM USB FDD USB CDROM LAN Disabled Disabled Lan 1 Lan 2 N A 23 The BIOS attempts to load the operating system from the devices in the sequence selected in these items These fields allow the system to search for an OS from LAN Press E
11. and may be trademarks and or registered trademarks of their respective companies ECROSSER AR B5432 series User Manual Table of Contents TIBITOQUOHOED oe UNI 5 6 Te Package 1 C OE c M 7 Med BIOCK DIAG ANT I H 8 21V 9 2 1 Locations IGG 9 2 2 SIAE 10 2 3 GConneclor and 11 3 BIOS SEMO EE 16 ST Man 17 3 2 PROV OUD E 18 3 OW OR UD mc 19 34PHP M NAET 20 3 9 Penbherals SG 21 iO FG Me 22 Dail SETUD 23 gt 4 24 4 BIOS Refreshing WatchDog and GPIO Programming 26 AT BIOS canosecet eee eve tec E 26 4 2 WatchDog Programming 27 4 3 GPIO PrOGFamirilfiQgjus s uceicecvciaqs ves qusc co qu de saquen e uu eo sn soc ue necu ud
12. 81865F l Internal WatchDog programmable 1 255 second s minute s 8 bits programmable bi direction GPIOs TTL 3 3V Four serial ports one supports RS232 485 422 One Serial Infrared SIR baud rate 115 2K bps max optional Two DC fan connectors one supports ON OFF control by system temperature Hardware monitor for voltage fan speed and temperature Others Power requirement 12Vdc input only 12V 2 1A typically Operating temperature 40 75 40 167 cold start 20 75 4 167 F Storage temperature 40 85 C 40 185 Relative humidity 0 90 40 C 104 non condensing Dimension 165 mm x 115 mm ECROSSER 1 2 Package Contents Check if the following items are included in the package e AR B5432 EPIC SBC board e Quick Manual e Software Utility CD AR B5432 series User Manual ECROSSER AR B5432 series User Manual 1 3 Block Diagram Atom N270 ISL6261CRZ 1 6GHz FSB533 S12KB L2 ICS9LPRS501 uFCBGA 437 pin 22mx22m TDP 2 5W AGTL BUS 400MHz 256 bit RAMDAC 2048 1536 75 2 Shared memory 224MBs max GMCH 945GSE DDR2 SO DIMM 480p 720p 1080i 1080p 27x27mm 998 uFCBGA DDR2 533 400 Un buffered non ECC SO DIMM only 48 36 bits Up to 1GBs max UXGA 1600x1200 DMI x2 2GB s P to P 1GB s per direction DVI D 7307 165Mz UXGA 1600x1200 Pavza raame 104 ICH7M CF SATA II x2 IDE UDMA 100 66 33 82801GBM TYPE II
13. CC SODIMM UDMA mode supported Capacity is 2GBs max ECROSSER AR B5432 series User Manual NOTE 1 Front panel connector SETTING External buzzer 1 Buzz 2 Buzz ENNE TN Power button for ATX mode jumper shorted for AT mode When using AT mode in the system the 5 6 of header CN7 must be shorted If using ATX mode in the system the pin5 6 of header CN7 should connect to a Push Button Switch NOTE When using AT mode the monitor will not display any message and the system will not auto shut down after soft off In this case please cut the PSU s power off or remove PSU s power to cut the system power off ECROSSER AR B5432 series User Manual el BIOS SETTING This chapter describes the BIOS menu displays and explains how to perform common tasks needed to get the system up and running It also gives detailed explanation of the elements found in each of the BIOS menu displays The following topics are covered Main Setup Advanced Setup Power Setup PnP PCI Setup Peripherals Setup PC Health Setup Boot Setup Exit Setup Once you enter the BIOS CMOS setup utility you can use the control keys that listed at the bottom of the menu to select the desired value in each item ECROSSER AR B5432 series User Manual 3 1 Main Setup e iT TS 4 Date mm dd yy Item Help 1 d 1 wet xc 4f a
14. ECROSSER AR B5432 series User Manual AR B5432 Board EPIC SBC supports Intel ATOM N270 Processor with Dual Gigabit LANs LCD TV out DVI User Manual Manual Rev 1 0 Book Number AR B5432 2009 08 06 ECROSSER AR B5432 series User Manual Revision 10 2009 08 06 Initial release ECROSSER AR B5432 series User Manual Copyright 2009 All Rights Reserved Manual s first edition For the purpose of improving reliability design and function the information in this document is subject to change without prior notice and does not represent a commitment on the part of the manufacturer In no event will the manufacturer be liable for direct indirect special incidental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages This document contains proprietary information protected by copyright 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 5432 is a registered trademarks of IBM is a registered trademark of the International Business Machines Corporation Pentium is a registered trademark of Intel Technologies Inc Award is a registered trademark of Award Software International Inc other product names mentioned herein are used for identification purposes only
15. TERISTICS 5 1 Basic Electrical Characteristics Table Electrical Characteristics Value Parameter Condition Unit Min Typ Max External power input for system or 11 120 126 12 12Vdc power output for SATA LCD inverter etc 5Vdc power output 475 50 525 V for SATA USB DVI etc 3 3Vdc power output for LVDS PCI 104 etc di M GPIO s maximum Input LOW voltage 0 8 GPIO Vin GPIO s minimum input HIGH voltage 2 0 V GPIO VoL GPIO s typical output LOW voltage 0 V GPIO GPIO s typical output HIGH voltage 3 0 V 36
16. elect logical device 7 WatchDog S ee humum JJ m M M S m Q Dsi nGa ptsm M MM M M MM MMC M MM MM ME MM MEME NER MEER ME The value xx equals value of index 2F OR F7 FF 0 2F F7 unit is second FF unit is minute A uo Un n o n n 9 9 9 9 A 9 99A 9 A 45 45 45 45 45 2 Poo Do PPP pm Dmm mmm mm J 0 n n u n n n 2 0 2 2 2 m9 A 29mm 99 4 99 m 9D 40 40 uD D 9D 4 9D 95 00 UD 4D UD D lt D UD 5 00 UD 4D 0D 4D UD D UD UD 4D 9D 4D UD 4D 9D UD 4D UD 4D 9D D 9D UD 4D D UD 2D UD D 4D D lt lt UD DD D value ranges between 01 FF 1 255 To disable WatchDog a eee OO
17. ess OxF6 Set Watchdog Timer Value outportb IO Port Address 1 Time 0x00 to disable max OxFF outportb IO Port Address OxFA Set Watchdog Time out output via WDTRST outportb IO Port Address 1 inportb IO Port Address 1 0x01 bit0 1 outportb IO Port Address 0xF5 Start Watchdog Time counting outportb IO Port Address 1 inportb IO Port Address 1 0x20 bits 1 textcolor YELLOW for Temp Time Temp gt 0 Temp outportb IO Port Address OxF6 Read Watchdog Timer Value Timezinportb IO Port Address 1 gotoxy 20 10 gt gt gt After 3d Second will reset the system lt lt lt Time delay 1000 j textcolor LIGHTRED gotoxy 18 10 29 ECROSSER AR B5432 series User Manual cprintf If you can see this message Reset system is Fail Time return 1 Function Show Help Input Change Return Description Show Title string void Show Help clrscr printf WatchDog Test for F81865 printf Sample n printf WDT EXE 10 An printf For 10 seconds to reset j 30 ECR OSSER AR B5432 series User Manual 4 3 GPIO Programming This section describes the usage of GPlOs AR B5432 integrated eight bits TTL 3 3V bidirectional and software programmable GPIOs for user s application Address E 2E and Data ES oF _ Bit 5 Bit 4 Bit 3 Bit 2 include lt conio h gt include lt stdio h
18. gt void Show Help void Show Fail void Show Pass int main int argc 3l ECR OSSER AR B5432 series User Manual char Model Name AR B5432 unsigned char PORT_BASE 0x2E DATA PORT IO PORT BASE 1 unsigned char data int resultzO if argc 1 Show Help retum 1 j clrscr textcolor WHITE gotoxy 1 1 lt gt gt gt gt gt gotoxy 1 2 cprintf F81865 GPIO Test Utility v1 0 Acrosser Technology Co Ltd gotoxy 1 3 lt gt gt gt gt gt lt gt gotoxy 1 4 gotoxy 1 5 cprintf Model Name gotoxy 1 6 cprintf SIO IO gotoxy 1 7 n Show Got Parameter Informat textcolor LIGHTGRAY gotoxy 18 5 cprintf s Model_ Name gotoxy 18 6 cprintf X IO_ PORT BASE Enter F81865 Config outportb IO_ PORT 5 0 87 outportb IO_ PORT 5 0 87 Set Multi function Pins to GPIO outportb IO_ PORT BASE 0x2A outportb lO PORT BASE 1 inportb lO PORT BASE 1 0x08 Select GPIO Port device outportb lO PORT BASE 0x07 outportb lO PORT 5 1 0 06 32 ECROSSER AR B5432 series User Manual Set GPIO Port Active
19. m after a time out event User can use a program to enable the WatchDog and program the timer in range of 1 255 second s minute s Once user enables the WatchDog the timer will start to count down to zero except trigger the timer by user s program continuously After zeroize the timer stop triggering the WatchDog will generate a signal to reset the system It can be used to prevent system crash or hang up The WatchDog is disabled after reset and should be enabled by user s program Please refer to the following table to program WatchDog properly and user could test WatchDog under Debug program Address E 2E and Data port 2F 0 2E 07 point to Logical Device Number Reg 0 2F 07 s
20. nter to set the boot priority for each bootable device ECROSSER AR B5432 series User Manual 3 8 Exit Setup Main Advanced Power Bie Ga eee Exit Em mp 1 _ t Item Help Press Y to store 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 Pressing Enter on this item for confirmation Save amp Exit Setup Save to CMOS and EXIT Y N When you press lt Enter gt on this item you get a confirmation dialog box Press to load the default values that are with a message like this factory set for optimal performance system operations Load Optimized Defaults Load Optimized Defaults Y N 24 ECROSSER AR B5432 series User Manual Pressing Enter on this This allows you to exit Setup without storing item for confirmation any changes in CMOS previous selections remain in effect This shall exit the setup utility and restart your computer Exit Without Saving Quit without saving Y N Y When a password has been enabled you will be prompted to enter your password every time you try to enter setup This prevents unauthorized persons from changing any part of your system configuration Ty
21. outportb IO_ PORT BASE 0x30 outportb lO PORT BASE 1 0x01 Set F81865 GPIO50 53 to Output GPIO54 GPIO57 to Input outportb IlO PORT BASE 0xA0 outportb lO PORT BASE 1 0x0F Set F81865 GPIO5O0 53 to High outportb IlO PORT BASE 0xA1 outportb IO PORT BASE 1 0x0F Read F81865 GPlIO54 57 Status if not High error outportb IlO PORT BASE 0xA2 data inportb IO PORT BASE 1 amp 0xF0 if data OxF0 result 1 Set F81865 GPIO50 53 to Low outportb IlO PORT BASE 0xA1 outportb IO PORT BASE 1 0x00 Read F81865 GPIO54 57 Status if not Low error outportb IlO PORT BASE 0xA2 data inportb IO PORT _BASE 1 amp 0xF0 if datal20x00 result 1 Set F81865 GPIO50 53 to input GPIO54 GPIO57 to Output outportb IlO PORT BASE 0xA0 outportb IlO PORT BASE 1 0xF0 Set F81865 GPIO54 57 to High outportb IO_ PORT BASE 0xA1 outportb IlO PORT BASE 1 0xF0 Read F81865 GPIO50 53 Status if not High error outportb IlO PORT BASE 0xA2 data inportb IO PORT BASE 1 amp 0xO0F if datal OxOF result 1 33 55 Set F81865 GPlIO54 57 to Low outportb IlO PORT BASE 0xA1 outportb lO PORT BASE 1 0x00 Read F81865 GPIO50 53 Status if not Low error outportb lO PORT BASE 0xA2 data inportb IlO PORT 5 1 0 if data 0x00 result 1 Exit F81865 Config outportb IO_PORT_BASE 0xAA if result Show Fail else Show Pass return result Function Show Help
22. pe the password up to eight characters in length and press lt Enter gt The password typed now will clear any previous password from the CMOS memory You will be asked to confirm the password Type the password again and press lt Enter gt You may also press lt Esc gt to abort the selection and not enter a password Pressing lt Enter gt on this item for confirmation Set Password ENTER PASSWORD To disable a password just press lt Enter gt when you are prompted to enter the password A message will confirm that the password will be disabled Once the password is disabled the system will boot and you can enter Setup freely 25 ECROSSER AR B5432 series User Manual BIOS REFRESHING WATCHDOG AND GPIO PROGRAMMING 4 1 BIOS Refreshing The BIOS program instructions are contained within computer chips called FLASH ROMs that are located on your system board The chips can be electronically reprogrammed allowing you to update your BIOS firmware without removing and installing chips The AR B5432 provides the FLASH BIOS update function for you to easily to update BIOS Please follow these operating steps to update BIOS You must boot up system into MS DOS first and please don t detect files CONFIG SYS AUTOEXEC BAT 26 ECR OSSER AR B5432 series User Manual 4 2 WatchDog Programming This section describes the usage of WatchDog AR B5432 integrated the WatchDog that enable user to reset the syste
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