E28 Board User Manual
Contents
1. onnector connector 18 bit 36 bit connector PIN SETTING PIN SETTING i RED 2 Zib PIN SETTING PIN SETTIN 3 GREED 4 GND 1 VCC 2 VCC AV device connector l I 5 BULE 6 GND NGG ZOND I l l 7 HSYNC 8 GND 9 SOND 11 61 aD 9 VSYNC 10 5V CR PE 14 DDC_CLK 42 DDC_DAT St 11 RX02 12 RX02 13 GND 14 GND 13 FP1 Front panel 14 GPIO1 8 bit TTL 3 3V GPIO 15 RXOC 16 RXOC onnector connector 17 RX03 18 RX03 STATUS SETTING 19 RXEO 20 RXEO 21 RXE1 22 RXE1 1 3 HD_LED PIN SETTING PIN SETTING 23 RXE2 24 RXE2 i f I i 2 4 PW_LED P 4 1 GPIO 50 2 GPIO 54 gt D 25 GND 26 GND 3 SPIO 51 4 Gplo 55 i iil 5 7 Reset 27 RXEC 28 RXEC E 5 GPIO 52 6 GPIO 56 A 29 RXE3 30 RXE3 7 GPIO 53 8 GPIO 57 os PW_BN E Even for dual channel 9 GND 10 3 3V O Odd for single channel 15 JCMOP1 JCOMP2 ZOM 9pin 5V or 12V selection 16 AUDIO2 5 1 channels Audio signal connector 17 CHAFAN System DC fan connector SFAN1 STATUS SETTING 1 2 RS232 Default 3 4 12V 5 6 5V PIN SETTING PIN SETTING 1 MIC2_L 2 NC EEN 3 MIC2_R 4 GPIO aaa mu 5 LINEOUT2 R 6 GND mm MEE came mm2. 7 SENSE B 8 9 LINEOUT2 L 10 GND wn me PIN SETTING 1 GND 2 12V 3 Fan speed data ON OFF controlled by system temperature settii of BIOS E28 User Manual 18 MIC1 19 LINE OUT1 20 COM1 COM2 RS232 sign onnector for MIC connector for AUDIO OUT connector PIN SETTING PIN SETTING 3 1 DCD 2 RX t connector for MIC connector for AUDIO OUT 8 3 TX 4 DTR 10 ee gf 5 GND 6 DSR 9 10 7 RTS 8 CTS 9 RI 10 NC 1 MINI PCIE1 onnector for MINI PCIE1 22 PARALLEL LPT 23 JP2 LCD panel driving voltage selection connector for MINI_PCIE1 connector PIN SETTING PIN SETTING 1 STB 14 AFD 2 PDO 15 ERR 3 PDI 16 INIT 4 PD2 17 SLIN 5 PD3 18 GND E 6 PD4 19 GND 1 PD5 20 GND E 8 PD6 21 GND ie 9 PD7 22 GND 10 ACK 23 GND 11 BUSY 24 GND 12 PE 25 GND 13 SLCT STATUS 1 2 2 3 3 1 2 5V for LCD panel SETTING 3 3V for LCD panel Default 4 INVERTER1 LCD panel nverter 25 VGA D SUB 15 female connector for VGA output 26 TV OUT TV out signal connector PIN SETTING 1 GND 1 2 GND 3 2 3 BKL CTL 2 BKL EN 6 ii 5 12V 6 12V C D SUB
3. 2 1A typically n Operating temperature 40 75C 40 167 F cold start 20 75C 4 167 F n Storage temperature 40 85C 40 185 F n Relative humidity 0 90 40 C 104 F non condensing n Dimension 165 mm x 115 mm E28 User Manual 1 2 Package Contents Check if the following items are included in the package E28 EPIC SBC board Quick Manual Software Utility CD E28 User Manual 1 3 Block Diagram PROCESSOR CK505 INVPE Atom N270 ISL6261CRZ 1 6GHUFSBS33 512KB L2 ae SSLPRS UFCBGA 437 pin 22mx22m TOP 2 5 dt ARE a Shared memory GMCH TV OUT S45GSE S DDR2 ve 450p720p 1080i1080p 27x27men 398 uFCBGA DOR 533 400 wos Un buffered non ECC SO DIMM orty saree bis Up te 1GBs max UXGA 1600x1200 DMI x2 2GBis P to P 1GBis per direction E28 User Manual PA H W INFORMATION This chapter describes the installation of E28 First it shows the function diagram and the layout of E28 Then describes the unpacking information which you should read carefully as well as the jumper switch settings for the E28 configuration 2 1 Locations Top Side 18 29 3 293627 2 51124 a E28 User Manual 10 IDE1 LVDS1 JP2 JBAT FP1 INVERTER1 lJPa JP5 GPIO1 vea O ATX12V JCOMP1 JCOMP2 TV OUT USB3 USB4 OG AUDIO2 LAN1 PWOUT1 CHAFAN SFAN1 psi SATA1 MIC1
4. ELECTRICAL CHARACTERISTICS 5 1 Basic Electrical Characteristics Table Electrical Characteristics Value Parameter Condition nit Min Typ Max External power input for system or 1 4 120 126 V 12V 12Vdc power output for SATA LCD inverter etc V tput 5V GPO 475 50 525 V for SATA USB DVI etc 3V 3 3V PONT ON 3 14 330 346 V for LVDS PCI 104 etc GPIO Vi GPIO s maximum Input LOW voltage 0 8 V GPIO Vin GPIO s minimum input HIGH voltage 2 0 V GPIO VoL GPIO s typical output LOW voltage 0 V GPIO Vo GPIO s typical output HIGH voltage 3 3 V 36
5. OxFF outportb IO Port Address OXFA Set Watchdog Time out output via WDTRST outportb IO Port Address 1 inportb IO Port Address 1 0x01 bitO 1 outportb lO Port Address 0xF5 Start Watchdog Time counting outportb IO Port Address 1 inportb IO Port Address 1 0x20 bit5 1 textcolor YELLOW for Temp Time Temp gt 0 Temp outportb IO Port Address 0xF6 Time inportb IO Port Address 1 Read Watchdog Timer Value gotoxy 20 10 cprintf gt gt gt After 3d Second will reset the system lt lt lt Time delay 1000 textcolor LIGHTRED gotoxy 18 10 29 cprintf If you can see this message Reset system is Fail Time return 1 Function Show_Help nput Change Return Description Show Title string printf WatchDog Test for F81865 printf Sample WDT EXE 10 printf printf For 10 seconds to reset n n n n n 30 E28 User Manual E28 User Manual 4 3 GPIO Programming This section describes the usage of GPIOs E28 integrated eight bits TTL 3 3V bidirectional and software programmable GPIOs for user s application Address port 2E and Data port 2F GP GPS7 GP56 GP55 GP54 GP53 GP52 GP51 GP50 FEE TES EN ET NE ET peered a Bito Bit use Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 LSB GPIO demo program in Turbo C as following include lt conio h gt
6. USB1 USB2 SATA2 LINE_OUT1 UP3 Bar comi COM2 Dc JACK OD Av MINI PCIE1 KB MS2 vaat PARALLEL1 sopimmi u2 U3 cF1 2 3 Connector and Jumper Setting E28 User Manual IDE1 IDE1 44pin connector 2 JBAT CMOS data retention clear 3 JP4 JP5 USB POWER connects IDE1 44pin connector STATUS SETTING CMOS data l Open retention Default Short CMOS data Clear STATUS SETTING USB POWER 1 2 ON DISABLE j Default USB POWER 2 3 ON ENANLE I ATX12V External 12V DC ower input connector 5 USB3 USB4 Internal USB2 0 connector 6 PWOUT1 Extra 12V and 5 DC power output connector foi SATA device PIN SETTING 1 GND ri Co 3 2 ND 0 H a 3 12V 4 12V PIN SETTING PIN SETTING 1 5V 2 5V 3 USB3 4 USB4 5 USB3 6 USB4 Ml 71 enn 8 GND 9 GND 10 GND ge PIN SETTING 1 12V 2 GND gS 3 GND 4 5V 7 SATA1 SATA device onnector 1 8 SATA2 SATA device connector 2 9 BAT1 CMOS battery holder SATA device connector 1 SATA device connector 2 CMOS battery holder 11 E28 User Manual 10 AV Infrared device 11 VGA1 Extra VGA signal 12 LVDS1 LCD panel LVDS
7. include lt stdio h gt void Show_Help void Show Fail void Show_Pass int main int argc 31 E28 User Manual char Model_ Name AR B5432 unsigned char IO PORT BASE 0x2E DATA PORT IO PORT BASE 1 unsigned char data int result 0 if argc gt 1 Show Help retum 1 clrscr textcolor WHITE gotoxy 1 1 Cprintf lt gt lt gt gotoxy 1 2 cprintf F81865 GPIO Test Utility v1 0 Acrosser Technology Co Ltd gotoxy 1 3 Cprintf lt gt lt gt gotoxy 1 4 Cprintfi lt gt lt gt gotoxy 1 5 cprintf Model Name gotoxy 1 6 cprintf SIO IO Base gotoxy 1 7 TT GEE Ee y Show Got Parameter Informat textcolor LIGHTGRAY gotoxy 18 5 cprint s Model Name gotoxy 18 6 cprintf X IO PORT BASE Enter F81865 Config outportb IO_ PORT_BASE 0x87 outportb lO PORT BASE 0x87 Set Multi function Pins to GPIO outportb IO PORT BASE 0x2A outportb lO PORT BASE 1 inportb IO PORT BASE 1 0x08 Select GPIO Port device outportb IO_ PORT_BASE 0x07 outportb IO_PORT_BASE 1 0x06 32 E28 Set GPIO Port Active outportb lIO_PORT_BASE 0x30 outportb lO PORT BASE 1 0x01 Set
8. 15 female connector for VGA output PIN SETTING PIN 1 S Y 2 JE 3 gt GND 4 AV Bh asec SETTING GND on n E28 User Manual 7 LAN1 RJ45 connector for 3igabit Ethernet port 1 28 PS1 KB MS connector for port 29 USB1 USB2 USB A type stack connector for USB2 0 port Ethernet port 1 RJ45 connector for Gigabit Wake On LAN supported sg KB MS connector for port 557 Upper Port 2 e Lower Port 1 30 JP3 CF Master or Slave selection 31 DC JACK power 12V input connector 32 KB MS2 KB MS Extra connector 1 2 MASTER 2 3 SLAVE 1 2 3 power 12V input connector TE MON BLINK 33 SODIMM1 200 pin in buffered DDR I SODIMM socket 34 U2 U3 BIOS socket for flash EEPROM system BIOS access 35 CF1 Type I compact flash card socket Supports DDR II 533 400MHz un buffered and non ECC SODIMM Capacity is 2GBs max BIOS socket for flash EEPROM 3 3V CF card only and UDMA mode supported 14 NOTE 1 FP1 Front panel connector 1 2 5 6 STATUS SETTING 1 3 HD LED 2 4 PW LED 5 7 Reset i PW_BN E28 User Manual E28 User Manual eh BIOS SETTING This chapter describes the BIOS menu displays and explains how to perform common tasks needed to get the system up and running
9. E28 Board EPIC SBC supports Intel ATOM N270 Processor with Gigabit LAN LVDS TV out 2COM WIFI User Manual Manual Rev 1 0 Book Number E28 2009 08 06 E28 User Manual E28 User Manual Revision 1 0 2009 08 06 chenyon Initial release E28 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 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 E28 is a registered trademarks of WTM IBM PC 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 and may be trademarks and or registered trademarks of their respective companies
10. E28 User Manual Table of Contents 1 INTHOQUCHON ae 5 1 1 SDECMICALIONS sn EE rares ramener EE RO ER EE N 6 12 Package Contents ass 2 H W Information avisas ende 9 2 1 Locations Tap Side ESE KAR ER ES ORE EG GE eg BG GAD ek Ee RR Ee Ee Ee Ho be SE DELE tens 9 2 2 LOCATIONS Bottom Side SEEK EK AR de Me Oe ee De Re Ee GE Re de ee ER Ee 10 2 3 Connector and Jumper Setting esse ee ER RR EER ER EE RR REG REG ARE Rae ER RR EER RR RE EE EE 11 3 BIOS Seng se 16 dil Main SetUp is sessie EE ei ANKE Ne EG Se Ee Ee eN Ne Ge ve ee ere AA Ho De GN Ee ek EG Se ie kk 17 3 2 Advanced Setup es ENS nd ie ee ENG ve Ee et nt N et 18 3 3 Power Set p sie EE ee IG AE and sat nan Me eN Wi de aa GN ek Di VR GR RA AG Gee 19 dr dae SO pp AR EO 20 3 5 Peripher ls Setup ea ss Ed KEER NERENS Re KA Rd EN GE EEN Ee eN Ge N RA Ak Se EN Ru RR Ge eed 21 4 BIOS Refreshing WatchDog and GPIO Programming 26 4 1 BIOS Refreshing sesse EE KA KAR Ve Ke ge GV EA AK AK ee Ga Re ed de eN GN N EA in kim N 26 4 2 WatchDog Programming iss Es Ee ske antenne nement de ee ie ge ea 27 5 Electrical Characteristics rarnnrannnvnnvnnvnnvnnnnnnnvnnvnnnnvnnvnnnnnnnvnnnnvnnvanen 36 5 1 Basic Electrical Characteristics Table nnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnn 36 E28 User Manual N INTRODUCTION Welcome to the E28 Computer The E28 is a Intel 945GSE chipset based platform designed for low p
11. F81865 GPIO50 53 to Output GPIO54 GP1057 to Input outportb IO_ PORT_BASE 0xA0 outportb lO PORT BASE 1 0x0F Set F81865 GPIO50 53 to High outportb IO PORT BASE 0xA1 outportb lO PORT BASE 1 0x0F l Read F81865 GPIO54 57 Status if not High error outportb lO PORT BASE 0xA2 data inportb lO PORT BASE 1 amp 0xF0 if data 0xF0 result 1 Set F81865 GPIO50 53 to Low outportb IO_PORT_BASE 0xA1 outportb IO_PORT_BASE 1 0x00 Read F81865 GPIO54 57 Status if not Low error outportb IO_PORT_BASE 0xA2 data inportb lO PORT BASE 1 amp 0xF0 if data 0x00 result 1 Set F81865 GPIO50 53 to input GPIO54 GPIO57 to Output outportb IO_PORT_BASE 0xA0 outportb IO_ PORT BASE 1 0xF0 Set F81865 GPIO54 57 to High outportb lO PORT BASE 0xA1 outportb lO PORT BASE 1 0xF0 Read F81865 GPIO50 53 Status if not High error outportb IO PORT BASE 0xA2 data inportb lO PORT BASE 1 amp 0x0F if data 0x0F result 1 33 User Manual II II II II 1 Set F81865 GPIO54 57 to Low outportb lO PORT BASE 0xA1 outportb IO PORT BASE 1 0x00 Read F81865 GPIO50 53 Status if not Low error outportb IO PORT BASE 0xA2 data inportb lO PORT BASE 1 amp 0x0F if data 0x00 result 1 Exit F81865 Config outportb lO PORT BASE 0xAA if result Show Fail else Show Pass return result Function Show Help Input Change Return Description Show Title string void S
12. 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 16 E28 User Manual 3 1 Main Setup ain Advanced Power PnP PCI Peripheral PC Health Boot Exit Date mm dd yy 0 1999 Item Help RE degie me rere N f CA N Time hh mm ss 10 F But Keyboard To set the system date Note that the Day automatically Date Set N A p changes when you set the date Time Setup N A To set the system time IDE Channel 0 Master Slave N A Press lt Enter gt 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 All But the POST process and notify you keyboard Halt On 17 E28 User Manual 3 2 Advanced Setup Quick Power O Enabled This category speeds up Power On Sel Test POST after you Self Test Disabled have powered up the computer If it is set to Enabled BIOS will shorten or skip some check items during POST Select Enabled to show the OEM full screen logo if you have Full Screen Logo Enabled Show Disabled add in BIOS CRT LVDS C
13. R ON Toi issue signal WDTRST to reset system 0 BE F5 Preparing to start the WatchDog timer courte 2F o read the value of index 2F pa wE The value xx equals value of index 2F OR 20 NE EE I e e EE ON Re EE Aad q To quit debug mode 27 E28 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 0x2E unsigned char Time int Temp if argc 2 Show Help return 1 clrscr Time atoi argv 1 Set Watchdog 28 E28 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 Address 1 0x07 Select logical device 7 Watchdog Function outportb IO Port Address 0x30 Device Active register outportb IO Port Address 1 0x01 outportb IO Port Address 0xF5 Select Watchdog count mode seconds or minutes outportb IO Port Address 1 inportb IO Port Address 1 amp 0xF7 Default is second bit3 0 outportb IO Port Address 0xF5 Select Watchdog output mode outportb lO Port Address 1 inportb IO Port Address 1 0x10 Set to Pulse mode bit4 1 outportb IO Port Address 0xF6 Set Watchdog Timer Value outportb IO Port Address 1 Time 0x00 to disable max
14. RT LVDS Boot Displa 1y To set the display device i HE CRT DVI Er 800x600 Panel Type To set the LVDS panel resolution that you want 1024x768 DVMT mode To set the mode of Dynamic Video Memory Technology DVMT 18 E28 User Manual DVMT FIXED To set the shared memory size for DVMT Memory Size 3 3 Power Setup Peripheral PC Health Boot Exit 19 E28 User Manual 3 4 PnP PCI Setup __Main Advanced Power P P Peripheral PC Health Boot Exit Reset Configuration Data controlled By Auto Normally you leave this field Disabled Select Enabled to Reset Enabled reset Extended System Configuration Data ESCD when you Configuration exit setup If you have installed a new add on and the system Disabled 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 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 Resources Auto ESCD Controlled By Manual 20 E28 User Man
15. how_Help clrscr printf GPIO Test utility for F81865 n n printf VCC GND WY printf GPIO50 EBEE GPIO54 n printf GPlO51 BEEE GPIO55 n printf GPIO52 SEEE GPIO56 n printf GPlO53 EEE GPIO57 n H 34 E28 User Manual E28 User Manual Function Show Fail nput l Change Return Description Show Fail Message void Show_Fail textcolor LIGHTRED gotoxy 20 10 cprintf HEMME ame AM r gotoxy 20 11 cprintf 4 ad oa gotoxy 20 12 cprint smau du m gotoxy 20 13 cprinti H ae AT gotoxy 20 14 cprintf Ra ORG EIERS EE SSS SS SS SS SS SS SSS SSS SSS SSS SSS Function Show Pass nput Change Return Description Show Pass Message EE void Show Pass textcolor LIGHTGREEN gotoxy 20 10 cprintf SH Male SMS EMERaMENI gotoxy 20 11 cprintf HH A GM EF al oe gotoxy 20 12 cprintf AMEMEMEN SHAMEMEN N E EMERIGMEI gotoxy 20 13 cprintf r ae ar a afl gotoxy 20 14 cprintf rfl Ed 35 E28 User Manual eg
16. ower consumption and wide operating temperature It supports the Atom N270 processor while coming with a 533MHz Front Side Bus E28 User Manual 1 1 Specifications Processor on board Intel Atom N270 3 DDD 3 Single core and supports 2 Threads 1 6GHz core frequency 533MHz FSB 512KBs L2 cache 2 5W low TDP Chipset North Bridge Intel 945GSE n n n n n One SODIMM socket supports DDRII 533 400 SODIMM and capacity up to 2GBs max DVMT 3 0 supports 224MBs graphics memory max shared with system memory Analog display supports 400MHz 256 bit RAMDAC resolution QXGA 2048x1536 75H2 18 bit 36 bit LVDS supports Single Dual channel LCD resolution UXGA 1600x1200 TV OUT supports HDTV 480P 720P 1080P 10801 Chipset South Bridge Intel 82801GM FT DIT I Two SATAII connectors HD Audio Codec ALC662 supports 5 1 CH audio output One PCl e GbE controllers RTL8111DL support 1000 100 10 Mbps LANs Eight USB2 0 ports Supports 3 3V CompactFlash Type I card with Ultra DMA mode 2 1 0 Mini PCIE supports One PCIE devices with PCIE Bus Master mode Super I O F1862FG n Internal WatchDog programmable 1 255 second s minute s n 8 bits programmable bi direction GPIOs TTL 3 3V n Two serial ports supports RS232 N Two DC fan connectors one supports ON OFF control by system temperature N Hardware monitor for voltage fan speed and temperature Others n Power requirement 12Vdc input only 12V
17. r PnP PCI Peripheral PC Health Boot Exit Save amp Exit Setup d 1ts 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 lt Enter gt on this item for confirmation Save amp Exit Setup Save to CMOS and EXIT Y N Y When you press lt Enter gt on this item you get a confirmation dialog box Press Y 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 N 24 E28 User Manual Pressing lt Enter gt on this i This allows you to exit Setup without storing item for confirmation any changes in CMOS The 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 Type the password up to eight characters in length and press lt Enter gt The password typed now will clear any previous pa
18. ssword 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 E28 User Manual BIOS REFRESHING WATCHDOG AND Aim 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 E28 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 Step 1 i AUTOEXEC BAT Step 2 fin the MS DOS mode you should execute the AWDFLASH program to update BIOS eae Step 3 Follow all messages then you could update BIOS smoothly lt 26 E28 User Manual 4 2 WatchDog Programming This section describes the usage of WatchDog E28 integrated the WatchDog that enable
19. ual 3 5 Peripherals Setup MENT LE TT Peripheral TEE P de 2 Ae Item He Ip Onboard Serial Port 1 In 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 linterrupt for each serial port Onboard Serial Port 4 Serial Port 4 2E8 IRQ10 Enabled This item allows you to decide to AC97 Aui lec Ar Audo EE Disabled enable disable AC97 Audio P Ent to Enabled Disabled USB USB Device setting Press Enter koaa a be ji PE En controllers and view device s information P E Enabled Disabl OnChip IDE Device N A ress lt Enter gt to nabled Disabled IDE SATA controllers or set parameters 21 Onboard Serial Port 1 E28 User Manual 3 6 PC Health Setup PnP PCI Peripheral P 22 E28 User Manual 3 7 Boot Setup Main Advanced Power PnP PCI Peripheral First Boot Device Per Hard Disk CDROM First Second Third USB FDD The BIOS attempts to load the operating Boot Device Other USB CDROM system from the devices in the sequence Boot Device selected in these items LAN Disabled Disabled Lan Boot Seleci ee These fields allow the system to search for an OS from LAN Lan 2 Hard Disk Boot Priority Press lt Enter gt to set the boot priority for each bootable device 23 E28 User Manual 3 8 Exit Setup Main Advanced Powe
20. user to reset the system 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 port 2E and Data port 2F C sdebugifoenterdebugmode EEE TN To enter configuration 0 2E 87 o 2E 07 To point to Logical Device Number Reg o 2F 07 jo select logical device 7 WatchDog EON eT iTo activate WatchDog 0 2F 01 0 2E F5 Preparing to select the unit of timer equals minute or second 12F fo read the value of index 2F 0 i gf The value sx equals value of index 2F OR F7 or FFI O 2F xx OR F7 unit is second OR FF unit is minute o 2E F6 Preparing to set the WatchDog timer value The value ranges between 01 FF 1 255 00 0 2F OI 100 To disable WatchDog o 2E FA Preparing to set the WatchDog output signal 12F To read the value of index 2F 000 pra Be The value xx equals value of index 2F O
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