AR-B1794 USER`S MANUAL
Contents
1. Ee AR B1794 User s Manual 29 INSTALLATIONS m srrrc c rn This page is intentionally left blank spp 30 AR B1794 User s Manual BIOS SETUP BIOS Setup This chapter describes the different settings available in the Award BIOS that comes with the motherboard The topics covered in this chapter are as follows BIOS Introduction 3 2 goi nino canis 32 BIOS Setup rien eR aa 32 Standard CMOS 5 34 Advanced BIOS 37 Advanced Chipset Features esee 40 Integrated Peripherals oooooooooW 42 Power Management 44 PNP PCI Configurations 46 PC Health Status sisi ia nee 47 Frequency Voltage Control 48 Load Fail Safe 49 Load Optimized Defaults eese 49 Set Supervisor User Password oooo oo 49 Save amp Exit SETUP nanang pae a tian aes 49 Exit Without Saving 49 ae co H M 1 AR B1794 User s Manual 31 BIOS SETUP El BIOS Introduction The Award BIOS Basic Input Output System installed in your computer system s ROM supports Intel Pentium 4 processors The BIOS provides critical low level support for a standard device such as disk drives serial ports and parallel ports2. APIC Mode APIC stands for Advanced Programmable Interrupt Controller The default setting is Enabled MPS Version Control for OS This option is specifies the MPS Multiprocessor Specification version for your operating system MPS version 1 4 added extended configuration tables to improve support for multiple PCI bus configurations and improve future expandability The default setting is 1 4 OS Select for DRAM gt 64MB This option allows the system to access greater than 64MB of DRAM memory when used with OS 2 that depends on certain BIOS calls to access memory The default setting is Non OS 2 HDD S M A R T Capability This field enables or disables the SMART feature of the hard disk po AR B1794 User s Manual 39 BIOS SETUP El Advanced Chipset Features This Setup menu controls the configuration of the chipset Phoenix Award WorkstationBIOS CMOS Setup Utility Advanced Chipset Features ITEM HELP Memory Frequency For Auto Menu Level AGP Aperture Size 64MB UMA Frame Buffer Size 64MB Video Display Devices Auto Tv Standard NTSC Memory Hole Disabled Current FSB Frequency Current DRAM Frequency System BIOS Cacheable Enabled Memory Timing Parameter Auto AUTO CAS Latency AUTO TRCD AUTO TRP AUTO TRAS MANUAL CAS Latency 1 MANUAL TRCD 1 Clock MANUAL TRP 1 Clock MANUAL TRAS 1 Clock Onboard SATA chip mode SATA mode Clock Memory Frequency For This field
3. 27 AR B1794 User s Manual 5 INSTALLATIONS Installing the CPU The AR B1794 embedded board supports a Socket 478 processor socket for Intel Pentium 4 processors The Socket 478 processor socket comes with a lever to secure the processor Raise this lever to about a 90 angle to allow the insertion of the processor Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has slide into the socket return the lever to the lock position Refer to the figures below After you have installed the processor into the socket check if the jumpers for the CPU type and speed are correct NOTE Ensure that the CPU heat sink and the CPU top surface are total contact to avoid CPU overheating problem that would cause your system to hang or be unstable Ea 6 AR B1794 User s Manual INSTALLATIONS Installing the Memory The AR B1794 embedded board supports one DDR memory sockets for a maximum total memory of 1GB in DDR memory type The memory module capacities supported are 128 256MB 512 and 1GB The following table lists the supported DDR DIMM configurations ATI RS300M supports configurations defined in the JEDEC DDR DIMM specification only Non JEDEC standard DIMMs such as double sided 16 DDR SDRAM DIMMs are not supported Installing and Removing Memory Modules To install the DDR modules locate
4. 55 Realtek RTL8100 LAN Drivers Installation 57 iat dh 59 A YO Port Address 2 59 B Interrupt Request Lines IRQ 60 AR B1794 User s Manual iii This page is intentionally left blank LLL A po c iv AR B1794 User s Manual INTRODUCTION Introduction Product Description The AR B1794 Pentium 4 Mini ITX board incorporates the ATI RS300M chipset and supports 478 pin Intel Pentium 4 processors of 2GHz and up to 3 2GHz with FSB 800MHz 533MHz 400MHz AR B1794 supports the Pentium 4 processor with 256 KB L2 cache Pentium 4 processor with 512 KB L2 cache on 0 13 micron process The I O functions are on AR B1794 integrated onto the IXP150 It supports the integrated graphics processor IGP on the IGP9180 The IGP has 3D 2D and video capabilities The system memory size can be up to 1GB using the single DDR socket on board Four USB ports are supported with the USB 1 1 2 0 standard AR B1794 supports TV out and LVDS with the use of the ATI RS300M integrated graphics device that accepts two digital graphics input data streams One data stream outputs through an LVDS transmitter to an LCD panel while the other data stream is encoded for NTSC or PAL TV and outputs through a 10 bit high speed DAC The TV encoder device encodes a graphics signal up to 1024x768 resolution and outputs the video signals according to NTSC or PA
5. ASKIR Parallel Port Mode This field allows you to determine parallel port mode function SPP Standard Printer Port EPP Enhanced Parallel Port ECP Extended Capabilities Port PWRON After PWR Fail This field sets the system power status whether on or off when power returns from a power failure situation The default setting is Off ui m m o ppc AR B1794 User s Manual 43 BIOS SETUP Power Management Setup The Power Management Setup allows you to save energy of your system effectively Phoenix Award WorkstationBIOS CMOS Setup Utility ACPI Function ACPI Suspend Type Power Management Option HDD Power Down Video Off Option Video Off Method Modem Use IRQ Soft Off by PWR BTTN RTC Alarm Resume Date of Month Alarm Time hh mm ss Alarm Power Management Setup Enabled 51 POS User Define Disabled Suspend gt Off V H SYNC Blank 3 Instant Off Disabled 0 0 0 0 ITEM HELP Menu Level ACPI Function Enable this function to support ACPI Advance Configuration and Power Interface ACPI Suspend Type This field sets the ACPI Suspend The default setting is 81 Power Management This field allows you to select the type of power saving management modes There are four selections for Power Management Min Power Saving Minimum power management Max Power Saving Maximum power management User Define Each of the ranges is from 1 min to Ihr Except for HDD Power Down
6. Advanced BIOS Features Load Fail Safe Defaults Advanced Chipset Features Load Optimized Defaults Integrated Peripherals Set Supervisor Password Power Management Setup Set User Password PnP PCI Configurations Save amp Exit Setup PC Health Status Exit Without Saving ESC Quit V gt Select Item F10 Save amp Exit Setup Time Date Hard Disk Type The section below the setup items of the Main Menu displays the control keys for this menu At the bottom of the Main Menu just below the control keys section there is another section which displays information on the currently highlighted item in the list Note If the system cannot boot after making and saving system changes with Setup the Award BIOS supports an override to the CMOS settings that resets your system to its default Warning It is strongly recommended that you avoid making any changes to the chipset defaults These defaults have been carefully chosen by both Award and your system manufacturer to provide the absolute maximum performance and reliability Changing the defaults could cause the system to become unstable and crash in some cases cao mq poc pee AR B1794 User s Manual 33 BIOS SETUP el Standard CMOS Setup Standard CMOS Setup choice allows you to record some basic hardware configurations in your computer system and set the system clock and error handling If the motherboard is already installed in a working system yo
7. B1794 Page Jumper Locations on 1794 000 9 Configuring the CPU Freguency oooooWoWoWoWW 10 J24 RTL8100BL LAN Enable Disable 10 JP12 LVDS Panel Power Select ooooooooo 10 JP13 Clear CMOS 10 JP8 COM3 RS232 5V 12V Power Setting 11 JP7 RS232 5V 12V Power Setting 11 SWI LVDS Resolution Setting oocoWoooo 11 AR B1794 User s Manual 9 INSTALLATIONS a Configuring the CPU Frequency The AR B1794 embedded board does not provide DIP switches to configure the processor speed CPU frequency J24 RTL8100BL LAN Enable Disable 10 100Mb LAN Disable JP12 LVDS Panel Power Select JP12 LVDS Panel Power JP13 Clear CMOS Contents Use JP13 to clear the CMOS contents Note that the ATX power connector should be disconnected from the board before clearing CMOS E Pin 1 2 Normal C 2 Short Closed NS Pin 2 3 Clear CMOS Short Closed page 10 AR B1794 User s Manual INSTALLATIONS JP8 COM3 RS232 5V 12V Power Setting M RN FEE ey 5 mue moe 3 Settings Pin 1 2 short 12V Pin 5 6 short 5V Pin 3 4 Standard COM Port JP7 COM4 RS232 45V 12V Power S
8. Connector Signal Name Reset IDE Host data 7 Host data 6 Host data 5 Host data 4 Host data 8 Host data 9 Host data 10 Host data 11 Host data 12 Host data 13 Host data 14 Host data 15 Ground Ground Ground Host ALE Ground No connect No connect Address 2 Chip select 1 Ground AR B1794 User s Manual 15 INSTALLATIONS J2 ATX Power say Connector rj d 5v 8 Power good o f sys 0 J3 PS 2 Keyboard and 5 2 Mouse Connectors PS 2 Mouse PS 2 Keyboard Signal Name Keyboard Signal Name Keyboard data 1 1 Mouse data 32 1 3 4 3 3 GND Dow eae ee wami Keyboard clock 5 Ne tgp p Ne J4 CPU Fan Power Connector J4 is a 3 pin header for the CPU fan The fan must be a 12V fan Ting Signal Name 16 AR B1794 User s Manual INSTALLATIONS J7 J30 System Fan Power Connector J7 J30 are 3 pin headers for system fans The fan must a 12V 500 fan Pin Signal Name J8 USB Connector USB1 USB2 J8 is a stacked USB port Vcc TERI J9 IrDA Connector J9 is used for an optional IrDA connector for wireless communication Pin Signal Name J11 Digital 4 in 4 out I O Connector Signal Name Pin Pin Signal Name Do ows EOE AR B1794 User s Manual 17 INSTALLATIONS J12 COM1 Serial Port J12
9. Press the PAGE DOWN key to see the rest of the agreement End User License Agreement PLEASE READ THIS LICENSE CAREFULLY BEFORE USING THE SOFTWARE BY INSTALLING OR USING THE SOFTWARE YOU ARE AGREEING TO BE BOUND BY THE TERMS OF THIS LICENSE IF YOU DO NOT AGREE TO THE TERMS OF THIS LICENSE PROMPTLY RETURN THE SOFTWARE TO THE PLACE WHERE YOU OBTAINED IT AND YOUR MONEY WILL BE REFUNDED 1 License The software accompanying this License hereinafter Software regardless of the media on which it is distributed are licensed to you by ATI Technologies Inc for Do you accept all the terms of the preceding License Agreement If you choose No the setup will close To install ATI Software you must accept this agreement InstallShield lt Back Yes No 52 AR B1794 User s Manual APPENDIX 5 On Select Components screen click Express to continue the installation ATI Software Select Components Select the component you want to install Please select the component that you want to install m Express Recommended z7 Custom For advanced users and system administrators InstallShield lt Back Cancel 6 When this screen appears click Yes to continue the installation x The Microsoft digital signature affirms that software has been tested with Windows and that the software has not been altered since it was tested The software you are about to install does not contain a Microsoft
10. To set the time highlight the Time field and use the lt PgUp gt lt PgDn gt or keys to set the current time IDE Primary HDDs IDE Secondary HDDs The onboard PCI IDE connectors provide Primary and Secondary channels for connecting up to four IDE hard disks or other IDE devices Each channel can support up to two hard disks the first is the Master and the second is the Slave Press lt Enter gt to configure the hard disk The selections include Auto Manual and None Select Manual to define the drive information manually You will be asked to enter the following items CYLS Number of cylinders HEAD Number of read write heads PRECOMP Write precompensation LANDZ Landing zone SECTOR Number of sectors The Access Mode selections are as follows Auto Normal HD lt 528MB Large for MS DOS only LBA HD gt 528MB and supports Logical Block Addressing Drive A These fields identify the types of floppy disk drive that has been installed in the computer The available specifications are 360KB 12 720KB 1 44 2 88MB 5 25 5 25 3 51 3 5in 3 5 E 50 AR B1794 User s Manual 35 BIOS SETUP El Video This field selects the type of video display card installed in your system You can choose the following video display cards EGA VGA For EGA VGA SEGA SVGA or PGA monitor adapters default CGA 40 Power up in 40 column mode CGA 80 Power up in 80 column mode MONO
11. the First Second Third Boot Device Boot Up Floppy Seek This feature controls whether the BIOS checks for a floppy drive while booting up If it cannot detect one either due to improper configuration or its absence it will flash an error message Boot Up NumLock Status This allows you to activate the NumLock function after you power up the system Gate A20 Option This field allows you to select how Gate A20 is worked Gate A20 is a device used to address memory above MB Typematic Rate Setting When disabled continually holding down a key on your keyboard will generate only one instance When enabled you can set the two typematic controls listed next By default this field is set to Disabled Typematic Rate Chars Sec When the typematic rate is enabled the system registers repeated keystrokes speeds Settings are from 6 to 30 characters per second vL ga pi 38 AR B1794 User s Manual BIOS SETUP Typematic Delay Msec When the typematic rate is enabled this item allows you to set the time interval for displaying the first and second characters By default this item is set to 250msec Security Option This field allows you to limit access to the System and Setup The default value is Setup When you select System the system prompts for the User Password every time you boot up When you select Setup the system always boots up and prompts for the Supervisor Password only when the Setup utility is called up
12. the memory slot on the embedded board and perform the following steps 1 Hold the DDR module so that the key of the DDR module align with those on the memory slot 2 Gently push the DDR module in an upright position until the clips of the slot close to hold the DDR module in place when the DDR module touches the bottom of the slot 3 To remove the DDR module press the clips with both hands Lock DDR Module 4 Lock A A Lock Lock OL uo op 22 AR B1794 User s Manual 7 INSTALLATIONS m sswwrOi Setting the Jumpers Jumpers are used on AR B1794 to select various settings and features according to your needs and applications Contact your supplier if you have doubts about the best configuration for your needs The following lists the connectors on AR B1794 and their respective functions Jumper Locations on AR B1794 o ooooooooooo oo 9 Configuring the CPU Frequency 10 J24 RTL8100BL LAN Enable Disable 10 JP12 LVDS Panel Power Select 10 JP13 Clear CMOS Contents sse 10 JP8 COM3 RS232 5V 12V Power Setting 11 JP7 RS232 5V 12V Power Setting 11 SWI LVDS Resolution Setting 2 11 E eo c c pst 8 AR B1794 User s Manual INSTALLATIONS eee Jumper Locations on AR B1794 Jumpers on AR
13. which ranges from 1 min to 15 min HDD Power Down When enabled and after the set time of system inactivity the hard disk drive will be powered down while all other devices remain active vL 44 AR B1794 User s Manual BIOS SETUP rv nn Video Off Option This field sets the video off option By default video goes into suspend state and then Off Video Off Method This field defines the Video Off features There are three options V H SYNC Blank Default setting blank the screen and turn off vertical and horizontal scanning DPMS Allows BIOS to control the video display Blank Screen Writes blanks to the video buffer Soft Off by PWRBTN This field defines the power off mode when using an ATX power supply The Instant Off mode allows powering off immediately upon pressing the power button In the Delay 4 Sec mode the system powers off when the power button is pressed for more than four seconds or enters the suspend mode when pressed for less than 4 seconds RTC Alarm Resume This field enables or disables the resumption of the system operation When enabled the user is allowed to set the Date and Time o o opo AR B1794 User s Manual 45 BIOS SETUP a PNP PCI Configurations This option configures the PCI bus system All PCI bus systems on the system use INT thus all installed PCI cards must be set to this value Phoenix Award WorkstationBIOS CMOS Se
14. 3 Parallel Port Connector ooo 18 J14 Serial Ports 19 JP14 Power LED Connector XX 19 J15 VGA CRT connector 19 J16 RJ45 Connector Jaana 20 J17 J19 LVDS Connectors 1st channel 2nd channel 20 J18 J20 Serial ATA SATA Connectors 20 J21 JP11 TV out Connector RCA Jack J21 and 3 pin eet 20 J22 External Audio Connector oooco 21 J23 USB Connector USB3 USB4 21 J25 Panel Inverter Power Connector 21 J26 Panel Inverter Power Connector 21 J27 CD In Audio Connector eese 21 J28 System Function Connector seen 22 J29 Line Out Line In Mic Connector 22 12 AR B1794 User s Manual INSTALLATIONS ese Connector Locations on AR B1794 Connector on AR B1794 FDDI Floppy Drive Connector IDEI IDE2 EIDE Connectors Jl ATX 12V 12V Power Connector J2 ATX Power Supply Connector J3 PS 2 Keyboard and PS 2 Mouse Connectors J4 CPU Fan Power Connector J7 J30 System Fan Power Connector J8 USB Connector USB 1 USB2 J9 IrDA Connector J11 Digital 4 in 4 out I O Connector 112 COMI Serial
15. 7_IOBASE Ox4E define W627HF_INDEX_PORT W627_IOBASE 0 define W627HF_DATA_PORT W627_IOBASE 1 y rr r r rR sya define W627HF_REG_LD 0x07 yz r tv ts n xi define W627HF_UNLOCK 0x87 define W627HF_LOC OxAA void Set_W627HF_LD unsigned char void Set W627HF Reg unsigned char unsigned char unsigned char Get W627HF Reg unsigned char 11 W627HF Sia srs o 9 AR B1794 User s Manual 27 INSTALLATIONS m scn m Filename W627hf cpp 1 THIS CODE AND INFORMATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE include W627HF H include lt dos h gt void Unlock W627HF void void Lock W627HF void void Unlock W627HF void outportb W627HF INDEX PORT W627HF_UNLOCK outportb W627HF INDEX PORT W627HF UNLOCK void Lock W627HF void outportb W627HF INDEX PORT W627HF LOCK void Set W627HF LDY unsigned char LD Unlock_W627HF outportb W627HF INDEX PORT W627HF REG LD outportb W627HF DATA PORT LD Lock W627HFO void Set W627HF Reg unsigned char REG unsigned char DATA Unlock_W627HF outportb W627HF_INDEX_PORT REG outportb W627HF DATA PORT DATA Lock W627HFO unsigned char Get W627H
16. AR B1794 Socket 478 Pentium 4 ATI RS300M Mini ITX USER S MANUAL Version 1 0 Acknowledgments Award is a registered trademark of Award Software International Inc PS 2 is a trademark of International Business Machines Corporation Intel and Pentium 4 are registered trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corporation Winbond is a registered trademark of Winbond Electronics Corporation All other product names or trademarks are properties of their respective owners ii AR B1794 User s Manual Table of Contents Introduction 1 Product Description na aan qa a 1 Checklist ua au Suyu as BnR Ann 2 Specifications oenen u uD Nemu anunya asah 3 Board 4 Installations 5 Installing the CPU u se trit e bangun 6 Installing the Memory ooooo XX 7 Setting the Jumpers 2 8 Connectors on AR B1794 12 Watchdog Timer Configuration 23 Digital I O Sample Code 27 BIOS Setu bakat 31 Drivers Installation 50 ATI Chipset Software Installation Utility 51 Realtek AC97 Codec Audio Driver Installation
17. Auto Onboard SATA chip mode This field determines the behavior of Serial ATA The default setting is SATA mode Choosing RAID mode enables Serial ATA drives to work as RAID 0 1 ui AR B1794 User s Manual 41 BIOS SETUP Integrated Peripherals This section sets configurations for your hard disk and other integrated peripherals Phoenix Award WorkstationBIOS CMOS Setup Utility Integrated Peripherals South OnChip IDE Device Press Enter ITEM HELP South OnChip PCI Device Press Enter Menu Level nit Display First PCI Slot USB 2 0 Controller Disabled OnChip USB Controller Enabled OnChip USB KBC Controller Disabled DE HDD Block Mode Enabled POWER ON Function BUTTON ONLY Onboard FDC Controller Enabled Onboard Serial Port 1 3F8 IRQ4 Onboard Serial Port 2 2F8 IRQ3 UART Mode Select Normal RxD TxD Active Hi Lo R Transmission Delay Enabled UR2 Duplex Mode Half Use IR Pins On Onboard Parallel Port 378 1 Parallel Mode SPP EPP Mode Select EPP1 ECP Mode Use DMA 3 PWRON After PWR Fail Off Onboard Serial Port 3 3E8H Serial Port 3 Use IRQ IRQ11 Onboard Serial Port 4 2E8H Serial Port 4 Use IRQ IRQ10 South OnChip IDE Device This field allows the activating of the IDE channels supported by the on board chipset Each channel can be activated separately South OnChip PCI Device This field allows the activating of the PCI devices supported by the chi
18. COM1 is a DB 9 connector serial port Signal Name Pin Pin Signal Name DCD Data carrier detect 6 DSR Data set ready RXD Receive data RTS Request to send TXD Transmit data 8 CTS Clear to send DTR Data terminal ready 9 RI Ring indicator GND ground J13 Parallel Port Connector J13 is a DB 25 external The following table describes the pin out assignments of this connector C Signal Name Pins Pin Signal Name 6 19 Ground PD6 parallel data6 8 PD7 parallel data 9 po o 18 1794 User s Manual INSTALLATIONS Ese J14 Serial Ports Name RS 232 1 DCD Data carrier detect 2 Receivedata 3 TXD Transmitdata 4 DTR Data terminal ready Em Ground 6 DSR Datasetready 8 CTS Cleartosend 9 RI Ringindicator JP14 Power LED Connector Pin Signal Name J15 VGA CRT connector J15 isa DB 15 VGA connector The following table shows the pin out assignments of this connector Signal Name Pin Pin Signal Name 1 2 Gren oe j 5 5 Nyoba 137 NC 9 10 Ne s AR B1794 User s Manual 19 INSTALLATIONS nw J16 RJ45 Connector J17 J19 LVDS Connectors 1st channel 2nd channel The LVDS connectors ar
19. Capabitility Disabled Virus Warning This item protects the boot sector and partition table of your hard disk against accidental modifications If an attempt is made the BIOS will halt the system and display a warning message If this occurs you can either allow the operation to continue or run an anti virus program to locate and remove the problem CPU L1 L2 Cache Cache memory is additional memory that is much faster than conventional DRAM system memory CPUs from 486 type on up contain internal cache memory and most but not all modern PCs have additional external cache memory When the CPU requests data the system transfers the requested data from the main DRAM into cache memory for even faster access by the CPU These items allow you to enable speed up memory access or disable the cache function By default these items are Enabled YF AR B1794 User s Manual 37 BIOS SETUP EE Quick Power On Self Test When enabled this field speeds up the Power On Self Test POST after the system is turned on If it is set to Enabled BIOS will skip some items First Second Third Boot Device These fields determine the drive that the system searches first for an operating system The options available include Floppy LS ZIP HDD 0 SCSI CDROM HDD 1 HDD 2 HDD 3 LAN and Disable Boot Other Device These fields allow the system to search for an operating system from other devices other than the ones selected in
20. F Reg unsigned char REG unsigned char Result Unlock_W627HF outportb W627HF_INDEX_PORT REG Result inportb W627HF DATA PORT Lock W627HFO return Result A co cc 28 AR B1794 User s Manual INSTALLATIONS Ese File of the Main cpp THIS CODE AND INFORMATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE include lt dos h gt include lt conio h gt include lt stdio h gt include lt stdlib h gt include W627HF H void ClrKbBuf void int main int argc char argv int main int argc char argv unsigned char ucDO 0 data for digital output unsigned char ucDI data for digital input unsigned char ucBuf Set_W627HF_LD 0x07 switch to logic device 7 Set W627HF Reg 0xF1 0x00 clear ucDI Get_W627HF_Reg 0xF1 amp 0x0F CIrKbBuf while 1 ucDO Set_W627HF_Reg 0xF1 ucDO amp lt lt 4 ucBuf Get_W627HF_Reg OxF1 amp OxOF if ucBuf ucDI ucDI ucBuf printf Digital I O Input Changed Current Data is Ox X n if kbhit getch break delay 500 return 0 void ClrKbBuf void while kbhit getch Cp w a
21. For Hercules or MDA adapters Halt On This field determines whether or not the system will halt if an error is detected during power up No errors The system boot will not be halted for any error that may be detected All errors Whenever the BIOS detects a non fatal error the system will stop and you will be prompted All But Keyboard The system boot will not be halted for a keyboard error it will stop for all other errors All But Diskette The system boot will not be halted for a disk error it will stop for all other errors All But Disk Key The system boot will not be halted for a key board or disk error it will stop for all others oce co cc ae 36 AR B1794 User s Manual BIOS SETUP Advanced BIOS Features This section allows you to configure and improve your system and allows you to set up some system features according to your preference Phoenix Award WorkstationBIOS CMOS Setup Utility Advanced BIOS Features ITEM HELP Virus Warning Disabled Menu Level CPU 1 8 12 Cache Enabled Quick Power On Self Test Enabled First Boot Device Floppy Second Boot Device HDD 0 Third Boot Device CDROM Boot Other Device Enabled Boot Up Floppy Seek Disabled Boot Up Numlock Status On Gate A20 Option Fast Typematic Rate Setting Disabled Typematic Rate chars Sec 6 Typematic Delay Msec 250 Security Option Setup APIC Mode Enabled MPS Version Control for OS 1 4 OS Select For DRAM gt 64MB Non OS2 HDD S M A R T
22. It also adds virus and password protection as well as special support for detailed fine tuning of the chipset controlling the entire system BIOS Setup The Award BIOS provides a Setup utility program for specifying the system configurations and settings The BIOS ROM of the system stores the Setup utility When you turn on the computer the Award BIOS is immediately activated Pressing the lt Del gt key immediately allows you to enter the Setup utility If you are a little bit late pressing the lt Del gt key POST Power On Self Test will continue with its test routines thus preventing you from invoking the Setup If you still wish to enter Setup restart the system by pressing the Reset button or simultaneously pressing the lt Ctrl gt lt Alt gt and lt Delete gt keys You can also restart by turning the system Off and back On again The following message will appear on the screen Press lt DEL gt to Enter Setup In general you press the arrow keys to highlight items lt Enter gt to select the lt PgUp gt and lt PgDn gt keys to change entries lt F1 gt for help and lt Esc gt to quit When you enter the Setup utility the Main Menu screen will appear on the screen The Main Menu allows you to select from various setup functions and exit choices oe 32 AR B1794 User s Manual BIOS SETUP Phoenix Award WorkstationBIOS CMOS Setup Utility Standard CMOS Features Frequency Voltage Control
23. L standards The LVDS function supports 18 bit single and dual channel LCD panels The board does not support 24 bit single and dual channel LCD panels The AR B1794 Mini ITX SBC supports CRT VGA interface as well as TV out and LVDS interface Realtek LAN 8100BL supports Ethernet functionality 10 100Mb The board also has AC97 6CH audio 4 COM ports UDMA 100 4 USB ports two serial ATA ports watchdog timer and a PCI slot for expandability Dimensions of the board are 170mm x 170mm This board represents the perfect choice for those who want superior performance for POS kiosk ATM Web payphone medical and other embedded applications Em He poc 1 AR B1794 User s Manual 1 INTRODUCTION Checklist Your AR B1794 package should include the items listed below e The AR B1794 P4 Mini ITX board e This User s Manual CD containing chipset drivers and flash memory utility e Optional cables such as e 1 slim FDD Ribbon Cable e 2 IDE Ribbon Cables 40 pin amp 44 pin e 1 COM Port Cable e Serial ATA Cable o 2 AR B1794 User s Manual INTRODUCTION ree Specifications Product Name CPU Type CPU Voltage System Speed CPU Operating 400 533 800MHz Frequency Green APM APM1 2 CPU Socket Socket 478 Chipset ATI RS300M Chipset NB Mobility IGP9180 868 PIN BGA SB IXP150 457 PIN BGA BIOS Award BIOS with ACPI Function 128K 256K 512K Level 2 CPU integrated Mobility IGP9180 embed
24. Port J13 Parallel Port Connector 114 Serial Ports JP14 Power LED Connector J15 VGA CRT connector J16 RJ45 Connector J17 J19 LVDS Connectors 1st channel 2nd channel J18 J20 Serial ATA SATA Connectors oooooo J21 JP11 TV out Connector RCA Jack J21 and 3 pin Header JP11 J22 External Audio Connector J23 USB Connector USB3 USB4 J25 Panel Inverter Power Connector J26 Panel Inverter Power Connector 127 CD In Audio Connector J28 System Function Connector T J29 Line Out Line In Mic COHBfectOr eee tee epe ce BNN NN M AR B1794 User s Manual 13 INSTALLATIONS FDD1 Floppy Drive Connector FDDlis a slim 26 pin connector and will support up to 2 88MB FDD Signal Name INDEX DRV_SEL DSK CH NC R Signal Name Pin VCC 1 VCC 3 VCC 2 7 Pin NC 9 10 MOTOR GND IDE1 IDE2 EIDE Connectors IDE1 Primary IDE Connector Signal Name Pin Pim Signal Name 11 1 1 1 1 3 5 7 9 DROO 21 HostIOW 23 HostIOR 25 IOCHRDY 27 9 I 3 5 7 9 Host data 8 Host data 9 Host data 10 Host data 11 Host data 12 Host data 13 Host data 14 Host data 15 2 3 3 3 3 3 No connect No connect Address 2 Chip select 1 6 8 14 AR B1794 User s Manual INSTALLATIONS IDE2 Secondary IDE
25. ded AGP 4X CRT TV out LVDS IXP150 built in sound controller AC97 Codec ALC655 AC3 5 1 CH Line out Line in Mic Memory type 1 x DDR 2 5 DDR266 333 400 SDRAMX without ECC Function DIMM Module Max capacity 1GB LPC YO 1 First I O Winbond 83627HF IrDAx1 Parallel x1 COM1 RS 232 COM2 RS 232 FDC 1 44MB Slim type Hardware monitor 3 thermal inputs 8 voltage monitor inputs VIDO 4 1 chassis open detection 3 fan headers 2 Secondary I O Fintek F81216 support COM3 4 RS 232 Keyboard Winbond 83627HF built in C NEN ov NER Local bus IDE IXP150 built in IDE1 40 pin pitch 2 54mm Ultra PAIE pma On board D type PS 2 Keyboard Mouse VGA CRT COM1 Printer Pin header allows infrared wireless communication En o qc pu 1794 User s Manual 3 INTRODUCTION Board Dimensions 4 AR B1794 User s Manual INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the AR B1794 in order to set up a workable system The topics covered are Installing the l Rete pets 6 Installing the Memory 7 Setting the Jumpers 2 8 Connectors on AR B1794 12 Watchdog Timer Configuration 23 Digital I O Sample Code
26. digital signature Therefore there is no guarantee that this software works correctly with Windows ATI MOBILITY RADEON 9000 IGP Series If you want to search for Microsoft digitally signed software visit the Windows Update Web site at http windowsupdate microsoft com to see if one is available Do you want to continue the installation No More Info AR B1794 User s Manual 53 APPENDIX eO 7 The Setup process is now complete Click Finish to restart the computer and for changes to take effect When the computer has restarted the system will be able to find some devices Restart your computer when prompted Setup Complete Setup has finished copying files to your computer Before you can use the program you must restart Windows or your computer Yes want to restart my computer now C No will restart my computer later EE 54 AR B1794 User s Manual APPENDIX Realtek AC97 Codec Audio Driver Installation Follow the steps below to install the Realtek AC97 Codec Audio Drivers 1 Insert the CD that comes with the CPU card and the screen below would appear Click Intel Chipsets Click Realtek AC97 Codec Audio Drivers to start the drivers installation 2 Chck Yes to continue the installation Digital Signature Not Found Microsoft digital signature affirms that software has been tested with Windows and that the software has not b
27. e composed of the first channel J17 and second channel J19 to support 18 bit or 36 bit 1 5 1 5V 3 3V T Ground E Tx J18 J20 Serial ATA SATA Connectors The SATA connectors support serial ATA 150 Each connector can only use one serial ATA hard disk J18 is port 1 and J20 is port 2 J21 JP11 TV out Connector RCA Jack J21 and 3 pin Header JP11 Pin Signal Name T 20 AR B1794 User s Manual INSTALLATIONS J22 External Audio Connector J22 is a 6 pin header that is used to connect to the optional audio cable card that integrates jacks for Line Out and Mic Signal Name Pin Pim Signal Name LINEOUT L 6 J23 USB Connector USB3 USB4 The following table shows the pin outs of the USB pin headers connectors USB 2 0 compliant Signal Name Pin Pin Signal Name 2 6 emus sr supa sss J25 Panel Inverter Power Connector Pint Signal Name J26 Panel Inverter Power Connector Tin Signal Name 27 CD In Audio Pin Signal Name AR B1794 User s Manual 21 INSTALLATIONS J28 System Function Connector Signal Name Pin Pin Signal Name 4 HDD Active 3 ATX power on switch Pins 1 2 HDD LED Pins 3 4 Reset switch Pins 5 6 J29 Line Out Line In Mic Connector aw p Roo 22 AR B1794 User s Manual INSTALLATIONS Watchdog Timer Configu
28. een altered since it was tested The software you are about to install does not contain a Microsoft digital signature Therefore there is no guarantee that this software works correctly with Windows Realtek Audio If you want to search for Microsoft digitally signed software visit the Windows Update Web site at http windowsupdate microsoft com to see if one is available Do you want to continue the installation No More Info AR B1794 User s Manual 55 APPENDIX 3 Click Finish to restart the computer and for changes to take effect Realtek 97 Audio Setup 4 86 Maintenance Complete InstallShield Wizard has finished performing maintenance operations on Realtek AC 37 Audio 6 Yes want to restart my computer now No will restart my computer later Remove any disks from their drives and then click Finish to complete setup OOO ee Le Le 2 56 AR B1794 User s Manual APPENDIX Realtek RTLS100 LAN Drivers Installation Follow the steps below to start installing the Realtek LAN drivers 1 Insert the CD that comes with the CPU In the initial screen click on LAN Card on the left side Then select Realtek Network Interface Controller Drivers 2 When the Welcome screen appears click Next to start the drivers instalation REALTEK Gigabit and Fast Ethernet NIC Driver Setup LanSetup xi Welcome to the InstallShield Wizard for REALTEK Gigabit a
29. etting 8 ja 3 eai a Settings Pin 1 2 short 12V Pin 6 5 short 5V Pin 3 4 Standard COM Port SW1 LVDS Resolution Setting 1024x768 On OF ON N 1280x1024 OF OF ON O F F N 1400x1050 ON ON OF O F N E LI AR B1794 User s Manual 11 INSTALLATIONS Connectors on AR B1794 The connectors on AR B1794 allows you to connect external devices such as keyboard floppy disk drives hard disk drives printers etc The following table lists the connectors on AR B1794 and their respective functions Connector Locations AR B1794 13 FDD1 Floppy Drive Connector oooooooooW 14 IDEI IDE2 EIDE Connectors 14 1 ATX 12V 12V Power Connector 15 J2 ATX Power Supply Connector aaa 16 J3 PS 2 Keyboard and PS 2 Mouse Connectors 16 J4 CPU Fan Power 16 17 130 System Fan Power Connector a 17 J8 USB Connector USB1 USB2 17 JO MDA Connector Sa me Henna Rete anang 17 Digital 4 in 4 out I O 2 2 17 JI2 COME Seral Port air tyre nece 17 J1
30. he user to set the Fan warning so that when the CPU Fan3 Sys Fan1 Aux Fan2 is stop running the system sounds a warning this function can help user to prevent damage the system that is caused by Fan stop running ur a ee AR B1794 User s Manual 47 BIOS SETUP il Frequency Voltage Control This section shows the user how to configure the processor frequency Phoenix Award WorkstationBIOS CMOS Setup Utility Frequency Voltage Control Spread Spectrum Disable ITEM HELP Menu Level Spread Spectrum This field sets the value of the spread spectrum The default setting is Disabled This field is for CE testing use only Roe o c ps 48 AR B1794 User s Manual BIOS SETUP ma sss a nam Load Fail Safe Defaults This option allows you to load the troubleshooting default values permanently stored in the BIOS ROM These default settings are non optimal and disable all high performance features Load Optimized Defaults This option allows you to load the default values to your system configuration These default settings are optimal and enable all high performance features Set Supervisor User Password These two options set the system password Supervisor Password sets a password that will be used to protect the system and Setup utility User Password sets a password that will be used exclusively on the system To specify a password highlight the type you want and press lt Enter g
31. ipset Software Installation Utility 51 Realtek AC97 Codec Audio Driver Installation 55 Realtek RTL8100 LAN Drivers Installation 57 IMPORTANT NOTE Please also install Serial ATA and RAID drivers with the included floppy disks After installing your Windows operating system Windows 98 98SE ME 2000 XP you must install first the Chipset Software Installation Utility before proceeding with the drivers installation oe o c 50 AR B1794 User s Manual APPENDIX ATI Chipset Software Installation Utility The ATI Software Installation Utility to be installed first before the software drivers will enable Plug amp Play INF support for ATI components Follow the instructions below to complete the installation under Windows 98 08SE ME 2000 XP 1 Insert the CD that comes with the motherboard and the screen below would appear Click ATI RS300M Chipset Drivers AR B1794 User s Manual 51 APPENDIX 3 When the Welcome screen appears click Next to continue ATI Software D Welcome to the InstallShield Wizard for ATI Software The InstallShield Wizard will install ATI Software on your computer To continue click Next 4 Click Yes to accept the software license agreement and proceed with the installation process ATI Software License Agreement Please read the following license agreement carefully
32. itch to LD8 xor al al mov cl OF6h call Write Reg clear watchdog timer xor al al mov cl 30h call Write Reg watchdog disabled call Lock Chip ret Disable Watchdog 24 AR B1794 User s Manual INSTALLATIONS Unlock_Chip IN None OUT None Unlock_Chip Proc Near Mov dx 4Eh mov al 87h out dx al out dx al ret Unlock Chip Endp IN None Unlock_Chip Proc Near mov dx 4Eh mov al OAAh out dx al ret Unlock Chip Endp IM Name Write_Reg IN CL register index AL Value to write None Write Reg Proc Near push mov dx 4Eh mov al cl out dx al pop ax inc dx out dx al ret Write Reg Endp AR B1794 User s Manual 25 INSTALLATIONS r Name Read Reg IN CL register index OUT AL Value to read Read Reg Proc Near Mov al cl mov dx 4Eh out dx al inc dx in al dx ret Read Reg i s p 26 AR B1794 User s Manual INSTALLATIONS Digital I O Sample Code Filename W627hf h 1 THIS CODE AND INFORMATION IS PROVIDED AS IS WITHOUT WARRANTY ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE ifndef W627HF define W627HF 1 define W62
33. nd Fast Ethernet NIC Driver The InstallShield Wizard will install REALTEK Gigabit and Fast Ethernet NIC Driver on your computer To continue click Next lt Back Cancel AR B1794 User s Manual 57 APPENDIX 3 Click Finish to complete the setup and for changes to take effect InstallShield Wizard InstallShield Wizard Complete Setup has finished installing RTLSetup on your computer 3 Cancel OOOO EES 58 AR B1794 User s Manual APPENDIX Appendix A YO Port Address Each peripheral device in the system is assigned a set of I O port addresses which also becomes the identity of the device The following table lists the I O port addresses used Address 000h 01Fh 020h 03Fh 040h 05Fh 060h 06Fh 070h 07Fh 080h 09Fh 0 OBFh 0 ODFh OFOh OF 1h 1FOh 1F7h 278 27F 2F8h 2FFh 2B0 2DF 378h 3FFh 360 36F 3B0 3BF 3C0 3CF EGA adapter 3D0 3DF 3F7h 3F8h 3FFh AR B1794 User s Manual 59 APPENDIX B Interrupt Request Lines IRQ Peripheral devices use interrupt request lines to notify CPU for the service required The following table shows the IRQ used by the devices on board C 60 AR B1794 User s Manual
34. pset Init Display First This field allows the system to initialize first the VGA card on chip or the display on the PCI Slot By default the PCI Slot VGA is initialized first USB 2 0 Controller The options for this field are Enabled and Disabled By default this field is set to Disabled In order to use USB 2 0 necessary OS drivers must be installed first pagec RP es 42 AR B1794 User s Manual BIOS SETUP aun OnChip USB KBC Controller The options for this field USB keyboard are Enabled and Disabled By default this field is set to Disabled IDE HDD Block Mode This field allows your hard disk controller to use the fast block mode to transfer data to and from your hard disk drive Power On Function This field sets how the system can be powered on from a system off state The default setting is Button Only Onboard FDC Controller Select Enabled if your system has a floppy disk controller FDC installed on the motherboard and you wish to use it Onboard Serial Parallel Port These fields allow you to select the onboard serial and parallel ports and their addresses The default values for these ports are Serial Port 1 3F8H IRQ4 Serial Port 2 2F8H IRQ3 Serial Port 3 3ESH IRQI11 Serial Port 4 2E8H IRO10 Parallel Port 378H IRQ7 UART Mode Select This field determines the UART 2 mode in your computer The default value is Normal Other options include IrDA
35. r s Manual BIOS SETUP sa 5 PC Health Status This section shows the parameters in determining the PC Health Status These parameters include temperatures fan speeds and voltages Phoenix Award WorkstationBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature 75 C 167 F ITEM HELP Current System Temp 39 C 102 F Current CPU Temp 32 C 89 F Current Chassis Temp 32 C 89 F CPU FAN Speed 0 RPM System FAN Speed 4166 RPM Chassis FAN Speed 0 RPM Vcore V 1 63V VCC3 V 3 37V 5 V 5 05V 12 V 12 09V 12 V 12 03V VBAT V 3 21V 5VSB V 5 05V Shutdown Temperature Disabled CPU Fan Failure Warning Disabled Sys Fan Failure Warning Disabled Aux Fan Failure Warning Disabled CPU Warning Temperature This field allows the user to set the temperature so that when the temperature is reached the system sounds a warning This function can help prevent damage to the system that is caused by overheating Temperatures Fan Speeds Voltages These fields are the parameters of the hardware monitoring function feature of the motherboard The values are read only values as monitored by the system and show the PC health status Shutdown Temperature This field allows the user to set the temperature by which the system automatically shuts down once the threshold temperature is reached This function can help prevent damage to the system that is caused by overheating Fan Failure Warning This field allows t
36. ration The WDT is used to generate a variety of output signals after a user programmable count The WDT is suitable for use in the prevention of system lock up such as when software becomes trapped in a deadlock Under these sort of circumstances the timer will count to zero and the selected outputs will be driven Under normal circumstance the user will restart the WDT at regular intervals before the timer counts to zero SAMPLE CODE This code and information is provided as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and or fitness for a particular purpose Enable And Set Watchdog IN AL 1sec 255sec OUT None Enable And Set Watchdog Proc Near push save time interval call Unlock Chip mov cl 2Bh call Read Reg and al NOT 10h call Write Reg set GP24 as WDTO mov cl 07h mov al 08h call Write Reg switch to LD8 co E p poop 37 AR B1794 User s Manual 23 INSTALLATIONS sscsc n mov cl 0F5h call Read_Reg and al NOT 08h call Write_Reg set count mode as second pop ax mov cl OF6h call Write_Reg set watchdog timer mov al Olh mov cl 30h call Write_Reg watchdog enabled call Lock Chip ret Enable And Set Watchdog Endp IN None Disable Watchdog Proc Near call Unlock Chip mov cl 07h mov al 08h call Write Reg sw
37. sets the frequency of the DRAM memory installed The default setting is Auto AGP Aperture Size The field sets aperture size of the graphics The aperture is a portion of the PCI memory address range dedicated for graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any translation The default setting is 64MB UMA Frame Buffer Size By default the UMA Frame Buffer Size is 64MB This memory is shared with the system memory Video Display Devices This field determines the display output device where the system boots The options are Auto CRT and TV TV Standard This field sets the TV Standard as NTSC PAL SECAM or can be set off The default setting is Off Ee 40 AR B1794 User s Manual BIOS SETUP r Memory Hole In order to improve performance certain space in memory can be reserved for ISA cards This memory must be mapped into the memory space below 16 MB The choices are Enabled and Disabled Current FSB Frequency This field indicates the current FSB frequency Current DRAM Frequency This field indicates the current DRAM frequency System BIOS Cacheable The setting of Enabled allows caching of the system BIOS ROM at F000h FFFFFh resulting in better system performance However if any program writes to this memory area a system error may result Memory Timing Parameter This field sets the CAS Latency TRCD TRP and TRAS The default setting it
38. t The Enter Password message prompts on the screen Type the password up to eight characters in length and press lt Enter gt The system confirms your password by asking you to type it again After setting a password the screen automatically returns to the main screen To disable a password just press the lt Enter gt key when you are prompted to enter the password A message will confirm the password to be disabled Once the password is disabled the system will boot and you can enter Setup freely Save amp Exit Setup This option allows you to determine whether or not to accept the modifications If you type Y you will quit the setup utility and save all changes into the CMOS memory If you type N you will return to Setup utility Exit Without Saving Select this option to exit the Setup utility without saving the changes you have made in this session Typing Y will quit the Setup utility without saving the modifications Typing N will return you to Setup utility po o opo E AR B1794 User s Manual 49 APPENDIX Drivers Installation This section describes the installation procedures for software and drivers under the Windows 98 Windows NT 4 0 and Windows 2000 The software and drivers are included with the motherboard If you find the items missing please contact the vendor where you made the purchase The contents of this section include the following ATI Ch
39. tup Utility PnP PCI Configurations Reset Configuration Data Disabled ITEM HELP Menu Level Resources Controlled By Auto ESCD RQ Resources Press Enter Default is Disabled Select Enabled to reset i Extended System PCI VGA Palette Snoop Disabled Configuration Data Assign IRQ for VGA Enabled ESCD when you exit Assign IRQ for USB Enabled Setup if you have PCI Lat Time CLK 64 installed a new add on atency Time CLK and the system reconfiguration has caused such a serious conflict that the OS cannot boot Reset Configuration Data This field allows you to determine whether to reset the configuration data or not The default value is Disabled Resources Controlled by This PnP BIOS can configure all of the boot and compatible devices automatically with the use of a use a PnP operating system such as Windows 95 PCI VGA Palette Snoop Some non standard VGA display cards may not show colors properly This field allows you to set whether or not MPEG ISA VESA VGA cards can work with PCI VGA When this field is enabled a PCI VGA can work with an MPEG ISA VESA VGA card When this field is disabled a PCI VGA cannot work with an MPEG ISA VESA card Assign IRQ for VGA This field enables the assigning of an IRQ for VGA Assign IRQ for USB This field enables the assigning of an IRQ for USB PCI Latency Timer This field sets the PCI latency clock By default the setting is 64 46 AR B1794 Use
40. u will not need to select this option You will need to run the Standard CMOS option however if you change your system hardware configurations the onboard battery fails or the configuration stored in the CMOS memory was lost or damaged Phoenix Award WorkstationBIOS CMOS Setup Utility Standard CMOS Features Date mm dd yy Wed Feb 18 2004 Item Help Time hh mm ss 00 00 00 Menu Level IDE Primary Master Change the day month IDE Primary Slave Year and century IDE Secondary Master IDE Secondary Slave Drive A 1 44M 3 5 in Video EGA VGA Halt On All Errors Base Memory 640K Extended Memory 129024K Total Memory 130048K At the bottom of the menu are the control keys for use on this menu If you need any help in each item field you can press the lt F1 gt key It will display the relevant information to help you The memory display at the lower right hand side of the menu is read only It will adjust automatically according to the memory changed The following describes each item of this menu Date The date format is Day Sun to Sat Month 1to12 Date 1to31 Year 1994 to 2079 To set the date highlight the Date field and use the PageUp PageDown or keys to set the current time B ML H 34 AR B1794 User s Manual BIOS SETUP O nc r Time The time format 15 Hour 00 to 23 Minute 00 to 59 Second 00 to 59
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