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PC-486HU(PC)-LV User`s Manual

1. COM2 RS 232C RS 422 RS 485 Function JP JP5 JP5 1 2 1 3 5 6 46 7 8 7 8 J umper 9 10 9 10 setting Open 11 12 11 12 pin closed 13 14 13 14 15 16 15 16 17 18 17 18 19 20 19 20 1 2 1 2 1 2 M T i T mm i J umper m m illustration je kW je 19 20 19 20 19 20 JP5 JP5 JP5 Factory setting RS 232C JP8 and JP10 AT Keyboard and PS 2 Mouse Selection Table 3 9 AT keyboard and PS 2 mouse selection Type J umper setting Umper illustration Pins clased JP8 JP10 6 23 PS 2 MOUSE Close 5 6 1 F JP8 JP10 ole AT KEYBOARD 12 open ae OP m JP8 JP10 F actory setting AT Keyboard 14 PC 486HU PC LV Description of Hardware DIN MINI DIN Connector for the Keyboard or PS 2 mouse Table 3 10 DIN connector Pin No Function Keyboard PS 2 Mouse 1 KB DATA MS DATA 2 N C N C 3 GND GND 4 Vcc Vcc 5 KB CLK MSCLK 6 N C N C Pin No Function In order to use a keyboard when this connector is set up for the PS 2 mouse you need to use the EXternal KeyBoard EXKB connector see page 20 Procedure 1 Use the optional cable PS 2 connector cable The optional cable attached with an L shaped metal fixture enables you to take out the PS 2 6 p
2. os pwermewek os mess o ver os smnsreisers UU 00 seusreseo Ui m x E 63 PC 486HU PC LV 7 Appendixes Timer and DMA Channel Maps Timer Channel Map Table 7 4 Timer channel map Timer Channel 0 System timer interrupt DRAM refresh request Speaker tone generator DMA Channel Map Table 7 5 DMA channel map o Wese O e emAenriei E s eiae I O and Memory Maps Memory Map Table 7 6 Memory map 64 PC 486HU PC LV I O Map Table 7 7 I O map PC 486HU PC LV Appendixes 65 7 Appendixes C Troubleshooting This appendix provides the overview of errors which are likely to occur while operating the system as well as tips for solving problems Error Messages 66 This section describes error messages and troubleshooting According to the messages introduced in this section adjust the system and verify that all components and connectors are installed at correct locations and securely connected If an error persists please contact the Contec Information Center Buzzer sounding at POST The BIOS has two types of buzzer One type of buzzer indicates that BIOS cannot initialize the video screen and cannot display any data due to a video error This buzzer is comprised of one long sound followed by three short s
3. Hard disk drive connector rob i Floppy disk connector FDD LCD panel connector LCD VGA CRT connector External keyboard connector EXKB COM 1 connector COM1 VGA COM2 connector COM2 In ILE PUR Casen Up PC 486HU PC LV 3 Description of Hardware Jumper Setup Procedure Setting up jumpers allows you to configure the board A jumper consists of two or three metal pins and installed on a plastic base on the board These pins are connected with a small plastic cap containing a metal contact The hardware is configured by either opening or closing between pins A series of jumpers may be organized into a group to form a jumper block If all jumpers are located in a jumper block the group of jumpers need to be set as a group to configure the hardware The following figure illustrates this Jumpers and Caps We P E Ir 2 pin jumper 3 pin jumper J umper block J umper cap Figure 3 1 Jumpers and caps Suppose there is a jumper consisting of three pins pins 1 2 and 3 for example Connecting pin 1 with pin 2 enables you to achieve one setting leaving one pin unconnected Connecting pins 2 and 3 enables you to achieve another setting The jumper illustrations shown below will be used throughout this guide These illustrations enable you to understand the figures in this guide and what they represent 10 PC 486HU PC LV Description of Hardware Jumper Illustrations mI TY AN
4. JP1 Panel Type Selection Here you set jumpers according to the panel to be used The table 22 below shows the jumper settings Table 3 19 Panel type selection Z J umper J umper Resolution CONTEC LCD Type Setting illustration IPC DT L3OS PC T IPC DT LAOO PC T 2 TFT IPC DT LAOO PC Sharp LQ 12541 ODE 800 x 600 IPC DT LAOO PC TA Sharp LQ 12556A p 1 IPC DT LAOO PC TB IEN IPC DT L400 PC A TFT 2 1024x768 Sharp LQ141X1DG 12 1 E XGA IEN TFT 1PC DT M 30 PC T 2 PA IPC DT S35 PC T Sharp LQ104V1DG11 3 4 1 x IPC DT S35 PC IEN TFT 1 2 2 mim 640 x 480 S 4 3 4 1 IEN 2 IPC DS L30S PC T STN 800 x 600 IPC DS LA00 PC T GEN STT X6 29 1 IPC DS LAOO PC IEN 2 STN 22 Matsushita 1 2 T x 640 x 480 EDMGR68K DF 5 6 1 IEN 2 eh rege er 3 4 T E 5 6 1 IEN 1 2 2 SEN O CRT Only 3 4 E EE 5 6 1 IEN Factory setting CRT Only PC 486HU PC LV SSD Semiconductor Disk Socket Table 3 20 Semiconductor disk socket 32 17 ommm0m00000000000 H SSD L1 El E El E EJ E F1 E D E E P1 D D E 1 16 Pin No Func
5. JP9 1 2 Generates reset when the timer expires JP9 3 4 Generates NMI when the timer expires JP9 5 6 Clears the watchdog function setting not allowed The pin assignment is shown next Table 3 24 Watchdog selection JP9 Pin No Function WDGRST WDGRST J WDGNMI IOCHKJ CLRWDG GND oJ AJ w N e JP2 Panel Vcc Selection This jumper allows you to select the correct LCD panel voltage The jumper settings are as shown below Table 3 25 Panel Vcc selection Panel Vcc selection J aca J umper illustration 1 3 VCC 1 2 J P2 1 3 VCC 3 3V 2 3 JP2 27 PC 486HU PC LV 3 Description of Hardware 28 JP3 Panel Power Supply Connector Table 3 26 Panel power supply connector 10 0 D JP3 Pin No Function 1 LCD 12V 2 GND 3 LCD VDD 45V 3 3V Note The panel power connector should be used only when the panel BIOS is in use Pin 3 allows either 45V or 43 3V to be used dependent on the jumper 2 setting Installation of Memory In the case of a computer equipped with an internal PCI local bus two 72 pin SIMM sockets on the board support four DRAM banks banks 0 through 3 SIMMs 1 and 2 72 pins x 36 bits x 2 are for single
6. 3 Initialize video such as monochrome CGA or EGA VGA video If a display device is not found sound the buzzer OE 1 Initialize APIC only in the case of multi processor BIOS 2 Test the video RAM if a monochrome display device is found 3 Display the following messages Award logo copyright text BIOS date code and part number OEM specific sign on message Energy Star logo only in the case of Green BIOS CPU brand type and speed System BIOS checksum test results Non compressed version only OF Test DMA channel 0 10 Test DMA channel 1 11 Test the DMA page register 14 Test 8254 timer 0 counter 2 15 Test the 8259 interrupt mask bit of channel 1 16 Test the 8259 interrupt mask bit of channel 2 19 Test the 8259 function 30 Detect the basic and extended memory sizes 3l 1 Test the basic memory 256K B 640K B PC 486HU PC LV Note Appendixes 2 Test the extended memory 1MB max memory 32 1 Display the Award BIOS plug and play expansion message only in the case of PnP BIOS 2 According to Setup program values program all onboard super I O chips if they exist such as the COM LPI and FDD ports 3C Set flags to allow the user to enter into the CMOS Setup utility 3D 1 Initialize the keyboard 2 Install the PS2 mouse 3E Try enabling the level 2 cache Some chip sets may require enabling of L2 cache at this stage However the L2 cache is usually enable
7. The time of day is displayed in hh mm ss format using the 24 hour system To enter time after 12 noon specify the value after adding 12 to the hour To set to 4 30 p m for example enter 16 30 00 Drive C Type Drive D Type In these categories you specify the type of hard disk drive C or D installed in your computer The standard BIOS has 45 predefined types and two user definable types Type 1 or 45 is predefined Type User can be defined by the user 42 PC 486HU PC LV Award BIOS Setup Primary Master Primary Slave Secondary Master Secondary Slave In these categories you specify the types of two channels installed on your computer The extended IDE BIOS has 45 predefined types and four user definable types Types 1 45 are predefined Type User can be defined by the user Press the lt PgUp gt lt gt or lt PgDn gt lt gt keys either select or enter the number representing the hard disk type and press Enter However the drive specifications must match the details in the drive table If incorrect information is input in this category the hard disk will not function correctly If the hard disk drive type does not match or the intended drive type is not output in a list you can define own drive type if you specify type User If you select type User you need to know the information provided later Enter this information directly from the keyboard and press Enter The information you need to know is contained in
8. When timeout occurs the CPU clock drops o 8MHz 2 The buzzer sounds three times 3 The LED connected to the GRN connector see page 13 flashes to indicate power conservation state 4 The level 2 cache is disabled 5 The VGA monitor screen goes blank 6 The hard disk driving motor stops 7 Activities are monitored according to Advanced Setup settings 8 If the system is in Suspend mode only resumption by keyboard mouse alarm can wake up resume the system 38 PC 486HU PC LV Award BIOS Setup 6 Award BIOS Setup This chapter describes how to set up the Award BIOS Overview This chapter explains the BIOS functions that manage various system functions The BIOS by Award Software Inc is installed on the system chip set of this board This section explains the BIOS functions that manage special system functions The following sections explain how to use the BIOS system chip set SETUP menu Application programs word processor spreadsheet game and so on manage the keyboard monitor disk drive and memory by using an operating system such as DOS or OS 2 On the other hand an operating system initializes and configures the computer hardware by using the BIOS Basic Input and Output System stored in ROM Read Only Memory When used as the interface between the hardware and operating system the BIOS allows basic changes to be made on the system hardware without the need for writing a new operating system
9. and double bank DRAM modules Table 3 27 DRAM bank settings E ee ile uz cp E SIMM 1 SIMM 2 TOTAL BANK 0 1 BANK 2 3 MEMORY 4M kg 4M 4M 4M 8M 8M 8M 8M 4M 12M 8M 8M 16M 16M _ 16M 16M 8M 24M 16M 16M 32M 32M m 32M 32M 16M 48M 32M 32M 64M 64M Ss 64M 64M 32M 96M 64M 64M 128M PC 486HU PC LV Software Utilities 4 Software Utilities This chapter describes in detail the VGA and LAN drivers attached to this board The chapter also briefly explains the watchdog function and how to install various drivers VGA Driver Utility VGA Driver The VGA interface built into this board can support a wide variety of display modes such as SVGA STN TFT and EL The board also allows simultaneous display on both CRT and LCD panel However in order to do so you need to verify beforehand that the CRT and LCD panel display modes are the same If two modes are different only one of the monitors can display This board comes with two VGA utility floppy disks which contain files named VGA EXE for VGA driver setup and AWDFLASH EXE for updating the FLASH BIOS UTILITY DISK 1 1 Awdflsh 6 XXA program 2 Win 3 1 program 3 Win 95 program 4 Win NT 3 5x program 5 Win NT 4 0 program UTILITY DISK 2 1 OS 2 video device driver Figure 4 1 VGA driver 29 PC 486HU PC LV 30 When you need to modify the VGA and system BIOS setup the first thing you need to do is to install the uti
10. prompt If APM is installed and the task is running APM does not instruct the BIOS to put the system into any power conservation mode even if the timer expires DOZE MODE TIMEOUT When the length of time specified here elapses after the system becomes inactive the system enters into Doze mode The item can be set to a value within a range of 10 seconds through two hours or to Disabled STANDBY MODE TIMEOUT When the length of time specified here elapses after the system becomes inactive the system enters into Standby mode The item can be set to a value within a range of 30 seconds through two hours or to Disabled SUSPEND MODE TIMER When the length of time specified here elapses after the system becomes inactive the system enters into Suspend mode The item can be set to a value within a range of 30 seconds through two hours or to Disabled 51 PC 486HU PC LV 6 Award BIOS Setup PCI CONFIGURATION SETUP When you select PCI CONFIGURATION SETUP on the main menu the following screen appears ROM PCI ISA BIOS 2A4KDP6L PCI CONFIGURATION AWARD SOFTWARE INC PnP BIOS Auto Config Disabled CPU to PCI Write Buffer Enabled CPU to PCI Byte Merge Enabled Slot 1 Using INT AUTO PCI to DRAM Buffer Enabled Slot 2 Using INT AUTO Slot 3 Using INT AUTO 1st Available IRQ 10 2nd Available IRQ iq 3rd Available IRQ p 4th Available IRQ 79 PCI IRQ Active by Level PCI IDE 2nd Channel Enabled PCI ID
11. I 2 pin jumper Aa 3 pin jumper P Ir J umper block P d Figure 3 2 Jumper illustrations Jumper Settings Figure 3 3 Jumper settings PC 486HU PC LV 2 pin jumper dosed enabled E 1 3 pin jumper with pins 2 and 3 closed enabled FE 1 J umper block with pins 1 and 2 dosed enabled H 11 3 Description of Hardware Description of Jumpers and Connectors TBL Turbo LED Connector Table 3 2 Turbo LED connector Compatible connector HK P 2F SA01 2 54mm pitch 2 54mm thick TBL P Compatible socket contact HK P F613B AWG 24 28 2 Manufacturer HONDA Pin No Function 1 Vcc 2 Turbo Signal HDL Hard Disk Drive s LED Connector Table 3 3 Hard disk drive s LED connector Compatible connector HK P 2F SA01 2 54mm pitch 2 54mm thick HDL P Compatible socket contact HK P F 613B AWG 24 28 2 0 Manufacturer HONDA Pin No Function 1 HDD Active Signal 2 Vcc RST Reset Connector Table 3 4 Reset connector Compatible connector HKP 2F SA01 2 54mm pitch 2 54mm thick RST 4 Compatible socket contact HKP F 613B AWG 24 28 2
12. The following diagram shows relationships among the system hardware BIOS operating system and application programs Application program Operating system System hardware 39 PC 486HU PC LV 6 Award BIOS Setup Starting Setup Program When the system is turned on the BIOS runs the POST Power On Self Test routine and displays the following message in the lower portion of the screen PRESS lt DEL gt TO ENTER SETUP ESC TO SKIP MEMORY TEST While this message is displayed on the screen if you press the Del key located at the lowest end of the numeric keypad and overlaid on the decimal point key the setup program starts up After a short while the main menu of the Award s setup program appears on the screen ROM PCI ISA BIOS 2A4KDP6L CMOS SETUP UTILITY AWARD SOFTWARE INC STANDARD CMOS SETUP BIOS FEATURES SETUP CHIPSET FEATURES SETUP POWER MANAGEMENT SETUP PCI CONFIGURATION SETUP LOAD BIOS DEFAULTS INTEGRATED PERIPHERALS PASSWORD SETTING IDE HDD AUTO DETECTION HDD LOW LEVEL FORMAT SAVE amp EXIT SETUP EXIT WITHOUT SAVING LOAD SETUP DEFAULTS 11 gt Shift F2 Select Item Change Color Esc F10 Quit Save amp Exit Setup Time Date Hard Disk Type You can change the menu item to be highlighted by using the up down arrow key at the cursor As you highlight each menu item the functional descript
13. gt 64MB Non OS2 Old Values Shift F2 Color ROM PCI ISA BIOS 2A4KDP6L BIOS FEATURES SETUP AWARD SOFTWARE INC Load BIOS Defaults Load Setup Defaults 46 BIOS FEATURES SETUP allows you to see what functions are supported by the chip set and Award BIOS Since a shadow RAM is also supported you can copy the contents of ROM BIOS to the shadow RAM when booting This results in higher performance If you use the main menu to change settings you can call out defaults at any time This is described later in more detail To display help information for each item after highlighting the corresponding item press the Fl key A window appears on the screen displaying various detailed options that are available under each item Each setting in BIOS FEATURES SETUP is described as follows CPU Internal Cache If a 486 CPU is installed on your system always select Enabled under this item even if an external cache is installed If an external cache is not installed selecting Enabled under this item allows you to use an 8KB cache in the 486 CPU PC 486HU PC LV Award BIOS Setup External Cache Select either Enabled or Disabled depending on whether to enable or disable the external cache Quick Power On Self Test The use of this item speeds up the POST Power On Self Test which runs after your computer is turned on If you set to Enabled the BIOS will either truncate or skip some check items duri
14. in advance Be sure to check these before installing the board Only set the switches and jumpers on the board to the specified settings Doing otherwise would cause trouble Install the board in the computer s PCI expansion slot Do not install or remove the board to or from the slot while the computer s power is turned on Doing so could cause trouble Be sure that the personal computer or the I O expansion unit power is turned off The sum of the power consumed by the boards installed in the personal computer s PCI bus expansion slots cannot be larger than the personal computer s allowable power supply capacity If the boards power sum is larger than this capacity trouble could occur PC 486HU PC LV 1 Introduction About the Manual This manual consists of the following chapters Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Introduction System Reference Describes the system specifications and provides information on how to protect the built in CPU board from damage Description of Hardware Identifies component locations and provides the overview of their functions The end of this chapter provides information on how to set jumpers and how to set up the board according to specific needs Software Utilities Describes the VGA driver in detail as well as the LAN driver that comes with this board Watchdog timer functions are also described briefly Green PC Function De
15. pin 2 54mm pitch pin header connector x 1 LAN interface MX 98715A high speed Ethernet 100 10BASE T by Macronix Hardware disconnection of the LAN interface is not allowed RJ 45 connector x 1 LED indicator LINK ACT Serial port High speed 16550 compatible UART x 2 with 16 byte transmission reception FIFO COM 1 RS 232C COM2 RS 232C 422 485 compatible Programmable baud rate generator 10 pin 2 54mm pitch pin header connector x 1 9 pin D SUB connector male x 1 Parallel port SPP ECP and EPP compatible bi directional parallel port 26 pin 2 54mm pitch pin header connector x 1 PC 486HU PC LV 2 System Reference Functional Specifications lt 2 2 gt SE Green function Support by software by BIOS setup Support by hardware Switch control LED indicator System power supply Access to hard disk Turbo and green function modes General Specifications Spedition Current consumption 5VDC 5A Max 12VDC 200mA Max Storage temperature 40 to 80 C Operating temperature Oto 60 C Humidity 20 to 80 N on condensing System power requirements DC 45V 44 75 to 45 25V DC 5A PC 486HU PC LV System Reference Safety Precautions In order to protect the system from damage take the following precautions Always protect the system from static electricity Take care to avoid electrical shock hazard When the card is powered do not touch any part of it When the system is not in use always switc
16. the installation is complete Macronix MX987xx Family Fast Ethernet Adapter is displayed under Installed Adapter Cards and the corresponding driver under Installed Network Software 8 In order to complete the network installation click OK in the Network Setting dialog box and make sure to bind the corresponding adapter to the transport driver 9 Restart your system For more information on installation see the Readme txt file contained in the LAN driver utility 35 PC 486HU PC LV Setting Watchdog Timer The watchdog timer allows you to monitor at certain intervals whether or not the system is operating As the operation at occurrence of abnormality you can select either system reset or generation of NMI with the jumper setting JP9 This function is defined with I O port 443H To enable the watchdog timer write a timer value from the table below to I O port 443H Asa result the system will reset itself generation of a NMI when the specified time elapses To disable this function write to I O port 441H After executing that command the system will stop the watchdog timer function The user must create a program and control the watchdog timer function of this device To enable the watchdog timer write to I O port address 443H To disable the timer write to I O port address 441H The interval error of the watchdog timer is 4 seconds A watchdog timer programming example is as follows When enabling the watchdog ti
17. 0 Manufacturer HONDA Pin No Function d Reset 2 GND 12 PC 486HU PC LV Description of Hardware SPK External Speaker Connector Table 3 5 External speaker connector Compatible connector HK P 4F SA01 2 54mm pitch 2 54mm thick Compatible socket contact HK P F 613B AWG 24 28 3 e Manufacturer HONDA SPK Pin No Function 1 Vcc 2 GND 3 N C 4 Speaker Signal JP4 Power Supply LED and Key Lock Connector Table 3 6 Power supply LED and key lock connector Compatible connector HK P 3F SA01 or HK P 2FSA01 v Compatible socket contact HKP F 613B AWG 24 28 1 Manufacturer HONDA P4 Pin No Function 1 Power LED 2 N C 3 GND 4 Keyboard INT 5 GND GRN Green Function Connector This connector is for an external LED and indicates the power conservation state when the Green PC function is in use Table 3 7 Green function connector GRN 1 4 2 E Pin No Function 1 Green Signal 2 GND 13 PC 486HU PC LV 3 Description of Hardware JP5 COM2 RS 232C 422 485 selection COMI can be used only for the RS 232 C function COM2 allows the RS 232 C 422 or 485 function to be selected Table 3 8 COM2
18. 12 Table 3 13 Table 3 14 Table 3 15 List of Figures Component identification 0 0 ee eeeeeeeeeeeneeeeeees 8 Juinpers and CAPS EE 10 Jumper UE EE 11 JUFiDSr Sein S aes oiu qot deed 11 VGA drlV6t EE 29 List of Tables Quick reference table Jumpers and connectors 9 Turbo LED Connector asiento en sdetesienieness 12 Hard disk drive s LED connector 12 ROSGECDHHPCIOD ie oode e orte rds PREIS DER oneris 12 External speaker connector seeeeeeeee 13 Power supply LED and key lock connectot 13 Green function Connector ssssssseeerreesssssseerereess 13 SON por 14 AT keyboard and PS 2 mouse selection 14 DIN connector iex einer sane beth er yx EY RSS 15 Hard disk driver connector usus 16 Floppy disk drive connector eeeeeeeeeeerereeereee 17 Printer oOIDe FUEL uos Dose eet Op RUPES Oa SENE 18 LCD panel connector occidere edd 19 VGA CRT connectot cens nei meters 20 PC 486HU PC LV v Table 3 16 Table 3 17 Table 3 18 Table 3 19 Table 3 20 Table 3 21 Table 3 22 Table 3 23 Table 3 24 Table 3 25 Table 3 26 Table 3 27 Table 4 1 Table 7 1 Table 7 2 Table 7 3 Table 7 4 Table 7 5 Table 7 6 Table 7 7 vi External keyboard connector 20 COM l conecto ee epp Heb 21 ERR 21 Panel type selection coii eere eis 22 Semiconductor disk socket esses 23 SSD memory Tap acia cea ee for eh et id 24 Powe
19. 13 DRQ6 C13 SD10 B14 IOR A14 SA17 D14 DACK7 C14 SD11 B15 DACK3 A15 SA16 D15 DRQ7 C15 SD12 B16 DRQ3 A16 SA15 D16 45V C16 SD13 B17 DACK1 A17 SA14 D17 MASTER C17 SD14 B18 DRQ1 A18 SA13 D18 GND C18 SD15 B19 REFRESH A19 SA12 B20 BCLK A20 SAIL B21 IRQ7 A21 SA10 B22 IRQ6 A22 SA09 B23 IRQ5 A23 SA08 B24 IRQ4 A24 SA07 B25 IRQ3 A25 SA06 B26 DACK2 A26 SA05 B27 T C A27 SA04 B28 BALE A28 SA03 B29 5V A29 SA02 B30 Osc A30 SA01 B31 GND A31 SA00 61 PC 486HU PC LV 7 Appendixes B Technical Summary This appendix explains a series of maps in detail Interrupt Map Table 7 2 Interrupt map o Reserved ntevaltimer E 6 beean CX Reatsimedee 9 Availaietousers Available to users When defaulted the LAN of the internal PCI bus uses this IRQ 2 Available to users Onboard mouse port Setting to not in use makes this IRQ available to users Reserved Match coprocessor Primary IDE Setting to not in use makes this IRQ available to users Available to users 1 Predefined value However changing to another IRQ is allowed 2 However changing to another IRQ is allowed during BIOS setup 62 PC 486HU PC LV Appendixes RTC and CMOS RAM Map Table 7 3 RTC and CMOS RAM map P00 semi SSCS Poe nor
20. 13 GND 14 DRVO 15 GND 16 MTR1 17 GND 18 DIR 19 GND 20 STEP 21 GND 22 WDATA 23 GND 24 WGATE 25 GND 26 TRKO 27 GND 28 WRPRT 29 GND 30 RDATA 31 GND 32 SEL 33 GND 34 DSK CHG 17 PC 486HU PC LV 3 Description of Hardware PRT Printer Connector You need a connector cable to the printer connector 26 pin header and 25 pin D SUB connector on the printed circuit board Table 3 13 Printer connector 13 1 om0mm00000000000 mm00000000000 26 14 PRT Pin No Function Pin No Function STB 14 AUTFE 2 PO 15 ERROR 3 Pl 16 INIT 4 P2 17 SLCTIN 5 P3 18 GND 6 P4 19 GND F P5 20 GND 8 P6 21 GND 9 P7 22 GND 10 ACK 23 GND 11 BUSY 24 GND 12 PE 25 GND 13 SLCT 26 N C 18 PC 486HU PC LV LCD LCD Panel Connector Connector LCD is a 41 pin dual inline head for use by a flat panel display Table 3 14 LCD panel connector 2 40 uM TUUUUUUUUUUUUUUUUUUUD 1 41 Pin No Function Pin No Function 1 P20 2 GND 3 P16 4 Vcc 5 P21 6 PO 7 P17 8 P8 9 P22 10 Pl 1 P18 12 P9 13 P23 14 P2 15 P19 16 P10 17 Vcc 18 P3 19 FLM 20 P11 21 MDE 22 P4 23 LP 24 P12 25 SHFCLK 26 P5 27 3 3V 28 P13 29 3 3V 30 P6 31 ENABKL 32 P14 33 LCDVDD 34 P7 35 ENVEE 36 P15 37 GND 38 12V 39 GND 40 12V 41 N C PC 486HU PC LV Description of Hardware 19 3 Description of
21. 3 5x 4 0 is the same as any other standard installation of drivers 2 Display Control Panel in the operating system and enter into the Settings window under Display Properties 3 After clicking Change Display Type button follow the instructions that appear on the screen until the installation process is completed When the installation is complete you need to shut down and restart your system PC 486HU PC LV Installation of VGA Driver in OS 2 Warp 1 Preparation You need to have installed OS 2 DOS Support If SVGA support is installed you must reset the system to VGA mode VGA is the default video mode that is enabled when OS 2 is installed To restore VGA mode use SELECTIVE INSTALL to select VGA for PRIMARY DISPLAY For more information on this operating procedure see Changing Display Adapter Support in the OS 2 Users Guide 2 Driver Installation using utility disk 2 1 Open one OS 2 session in full screen or in a window 2 Insert utility disk 2 which contains the 65550 display driver into drive A or B 3 Atthe OS 2 s command prompt input the following command and copy a series of corresponding files to the OS 2 s drive After input of AT press the Enter key to set the A drive to the default drive After input of Setup A C press the Enter key When the execution of the Setup program is complete you need to shut down and restart your system in order to enable the changes you h
22. C chip 05 1 Keyboard controller self testing 2 Keyboard interface enabling 07 Verify the CMOS s basic R W function BE Set the chip set to its default values according to the default list for the MODBINable chip set C1 Auto detect the onboard DRAM and cache C5 Copy the BIOS from ROM to the shadow RAM E0000 FFFF to speed up the POST process 08 Test the first 256KB of DRAM 09 1 Set up the Cyrix CPU configuration register according to the MODBINable Cyrix register table 2 Initialize the OEM specific cache if necessary OA 1 Initialize the first 32 interrupt vectors and set an appropriate interrupt handler Initialize 33 120 with a dummy interrupt handler 2 Issue a CPUID instruction to check the CPU type 3 Initialize the previous power conservation function OEM specific OB 1 Check to see whether or not the RTC time is valid 2 Detect a defective battery 69 PC 486HU PC LV 7 Appendixes 70 3 Read CMOS data into the BIOS stack area 4 Initialize PnP including the following only in the case of PnP BIOS Assign CSN to the PnP ISA card Create a resource map from ESCD 5 Assign the PCI device s I O and memory only in the case of PCI BIOS OC Initialize the BIOS data area 40 ON 40 FF OD 1 According to the Setup program set some values of the chip set Early Setup Value Program 2 Measure the CPU speed for display to determine the system clock speed
23. C timer value into a timer tick value to initialize the time value in the BIOS data area 60 According to the Setup program values set up the antivirus function to protect the boot sector 61 1 Try enabling the level 2 cache Notes This step is skipped if the L2 cache has already been enabled by POST 3D According to the Setup program value set the boot up speed The last chance to initialize chip sets The last chance to initialize the power management function only in the case of Green BIOS Display the system configuration table 62 1 According to the Setup program value set daylight saving time 2 According to the Setup program values program NumLock Typematic rate and Typematic speed 63 1 If hardware configuration has been changed update ESCD information only in the case of PnP BIOS 2 Clear the memory that has been used 3 Start up the system by INT 19H FF System startup This indicates that BIOS has already passed control to the operating system 72 PC 486HU PC LV A 46 094 LZJ7651 010122 990920
24. E IRQ Map To PCI AUTO Primary IDE INT DA Quit Tl Select Item Help Pu Pd Modify Old Values Shift F2 Color Load BIOS Defaults Load Setup Defaults The PCI device s IRQ can be set in the BIOS Highlight a target item and press the F1 key This displays all options available under the item allowing you to select one The user must select the target option When you are finished with setting according to the system configuration press the Esc key to return to the main menu 52 PC 486HU PC LV Award BIOS Setup LOAD BIOS DEFAULTS AUTO CONFIGURATION WITH BIOS DEFAULTS If you select LOAD BIOS DEFAULTS the BIOS defaults will be loaded If you select this option when the system diagnostic function is no longer usable the following message will appear Load BIOS Default Y N Y To use the BIOS defaults change the prompt to Y and press the Enter key As you turn on the board the defaults will automatically be loaded onto CMOS LOAD SETUP DEFAULTS Auto configuration With Setup Defaults If you select this item on the main menu the setup program s defaults will be used When the system does not function as it should use this option as a diagnostic means As you select this item the following message will appear Load SETUP Default Y N Y To use the setup program s defaults change the prompt to Y and press the Enter key The setup program s defaults will automatically be loade
25. ER MANAGEMENT SETUP on the main menu the following screen appears ROM PCI ISA BIOS 2A4KDP6L POWER MANAGEMENT SETUP Power Management PM Control by APM Video Off Option Video Off Method Modem Use IRQ PM Timers HDD Standby Timer Doze Timer Select Standby Timer Select Inactive Timer Select PM Events VGA FDD 3FXh LPT amp 1FXh HDD 1FXh NMI IRQ3 IRQ4 COM 2 COM 1 Disable Yes Susp Stby gt off V H Sync Blank 3 Disabled Disabled Disabled Disabled OFF ON LPT COM ON OFF ON ON AWARD SOFTWARE INC LPT 2 Floppy Disk LPT 1 RTC Alarm IRQ Redir Reserved Reserved PS 2 Mouse Coprocessor Hard Disk Reserved T gt t Select Item Quit Help Pu Pd Old Values Shift F2 Load BIOS Defaults Load Setup Defaults Modify Color Under this category specify how much system power should be conserved by selecting the variables listed below This item defaults to Disabled When you are finished with setting press the Esc key to return to the main menu 50 PC 486HU PC LV Award BIOS Setup Power Management Under this item specify how much system power should be conserved If you select Max Saving all timers will use their MIN values PM Control by APM If you select Yes the system BIOS enters into one of the PM modes Doze Standby or Suspend after waiting for an APM
26. Hardware 20 VGA VGA CRT Connector Table 3 15 VGA CRT connector 5 1 10 6 O OO O O O OO O O O OO 90 15 11 Pin No Function Pin No Function 1 RED 9 N C 2 GREEN 10 GND 3 BLUE 11 N C 4 N C 12 N C 5 GND 13 HSYNC 6 GND 14 VSYNK 7 GND 15 N C 8 GND EXKB External Keyboard Connector Table 3 16 External keyboard connector EXKB 1 lt Pin No Function KBCLK KBDATA N C GND Oy RW IN Vcc Compatible connector XHP 5 Compatible socket contact SCH 001T P 0 6 Manufacturer J ST PC 486HU PC LV Description of Hardware COMI COMI Connector Female D SUB9 Connector The COM1 connector The COMI connector s alignment is as shown in the following illustration Table 3 17 COMI connector 1 COM1 5 O O O 0 0 O O KH Q 6 9 Pin No Function Pin No Function 1 DCD 6 DSR 2 RX 7 RTS 3 TX 8 CTS 4 DTR 9 RI 5 GND COM2 COM2 Connector Table 3 18 COM2 connector COM2 5 1 ooood CDD 10 6 Pin Rs 232c Rs42 RS 485 1 DCD TX TX 2 RX TX TX 3 TX RX RX 4 DTR RX RX 5 GND GND GND 6 DSR RTS N C 7 RTS RTS N C 8 CTS CTS N C 9 RI CTS N C 21 PC 486HU PC LV 3 Description of Hardware
27. PC 486HU PC LV CPU CARD WITH VGA LAN SSD User s Manual CONTEC Copyright Copyright 1999 CONTEC Co LTD ALL RIGHTS RESERVED No part of this document may be copied or reproduced in any form by any means without prior written consent of CONTEC Co LTD CONTEC Co LTD makes no commitment to update or keep current the information contained in this document The information in this document is subject to change without notice All relevant issues have been considered in the preparation of this document Should you notice an omission or any questionable item in this document please feel free to notify CONTEC Co LTD Regardless of the foregoing statement CONTEC assumes no responsibility for any errors that may appear in this document nor for results obtained by the user as a result of using this product Trademarks MS Microsoft MS DOS and Windows are trademarks of Microsoft Corporation Other brand and product names are trademarks of their respective holder PC 486HU PC LV i Product Configuration Note Board PC 486HU PC LV 1 User s Guide this booklet 1 HDD cable 1 FDD cable 1 COM x 1 Printer x 1 connector cable 1 5 pin DIN gt 6 pin MINI DIN conversion cable 1 Floppy disks drivers 3 J umper short pins 16 Spacers 2 Nuts 2 Form Before Using the IPC 1 Unpacking This board is specially packed in an anti static bag to prevent dama
28. S RAM To save these new settings after verifying them select SAVE amp EXIT SETUP and press the Enter key Your computer restarts by itself and the new values will be enabled If you press the Del key when booting you can always adjust individual values by accessing the Setup program When you want to cancel the changes you have made EXIT WITHOUT SAVE will restore the previous settings PC 486HU PC LV Appendixes 7 Appendixes A Expansion Bus This appendix explains ISA bus pin assignment ISA Bus Pin Assignment This board s ISA bus is called Gold Finger This ISA bus is comprised of two sets of which one consisting of 62 pins and the other consisting of 36 pins The pin assignment is as shown below Table 7 1 ISA bus pin assignment D18 D1 B31 Component side B1 EE C18 C1 A31 Al B A D C Pin No Function Pin No Function Pin No Function Pin No Function B1 GND Al I O CH CHK D1 MEMCS16 C1 SBHE B2 RESET A2 SD07 D2 OCS16 C2 LA23 B3 5V A3 SD06 D3 IRQ10 C3 LA22 B4 IRQ9 A4 SD05 D4 IRQ11 CA LA21 B5 5V A5 SD04 D5 IRQ12 C5 LA20 B6 DRQ2 A6 SD03 D6 IRQ15 C6 LA19 B7 12V A7 SD02 D7 IRQ14 C7 LA18 B8 OWS A8 SDO1 D8 DACKO C8 LA17 B9 12V AQ SD00 D9 DRQO C9 MEMR B10 GND A10 I O CH RDY D10 DACK5 C10 MEMW B11 SMEMW All AEN D11 DRQ5 Cll SD08 B12 SMEMR A12 SA19 D12 DACK6 C12 SD09 B13 IOW A13 SA18 D
29. ave made 4 When the system restarts open the OS 2 s System folder 5 Next open the System Setup folder 6 Open Display Driver Install Object 7 When the Display Driver Install window appears select PRIMARY DISPLAY and click OK 8 When the Primary Display Driver List window appears select Chips and Technologies 65550 554 from the adapter type list and click OK to install the video driver 9 When the installation is complete shut down and restart your system to enable the changes you have made Before restarting your system be sure to remove utility disk 2 from the drive 31 PC 486HU PC LV Updating FLASH BIOS 32 Updating System BIOS The program named Awdflash exe contained on utility disk 1 allows you to update the system BIOS You need two files when updating One is the Awdflash exe file and the other is the system BIOS file to be updated These two files are contained on utility disk 1 When you are ready with these two files update the system BIOS following the steps listed below 1 Copy utility disk 1 containing Awdflash exe to drive C Awdflash exe functions only in DOS English mode 2 Copy the system BIOS file obtained from Protech to an appropriate drive 3 After entering the path to Awdflash exe enter the system BIOS file 486xxxxx bin to update the system BIOS lt Example gt C UTIL AWDFLASH gt A WDFLASH 486xxxxx bin 4 As a result the following table appears on the s
30. creen FLASH MEMORY WRITER v6 xx Copyright C 1996 Award Software Inc For ALI 1521 1523 2A5KFP6FC DATE 01 08 98 File Name to Program 486xxxxx bin Error Message Do You Want To Save BIOS Y N PC 486HU PC LV If you want to save the original BIOS press Y and then Enter key If you select N the following table appears on the screen FLASH MEMORY WRITER v6 xx Copyright C 1996 Award Software Inc For ALI 1521 1523 2A5KFP6FC DATE 01 08 98 File Name to Program 486xxxxx bin Error Message Are You Sure To Program Y N Select Y to update the BIOS While BIOS updating is in progress do not turn off the power to the system or reset the system Such an action will destroy the BIOS When BIOS updating is complete the line Programming Flash Memory ok is displayed If you see this line either turn off the power to the system or reset the system As a result FLASH BIOS will be implemented 33 PC 486HU PC LV LAN Driver Utility Overview With the LAN function enhanced this board can support a variety of network adapters The programs you need to install the LAN driver are contained on one floppy disk UTILITY DISK 3 1 Win 95 98 program 2 Win NT 3 51 4 0 5 0 program 3 NW 3 1x 4 1x program 4 SCO Unix 5 NDIS Installation of the Driver Installation in Microsoft Windows 98 95 1 In the Main group of Win 98 95 select the Contro
31. ctly and securely connected Also verify that the correct hard drive type is selected with the Setup program ERROR INITIALIZING HARD DISK CONTROLLER If this error occurs verify that the cord is connected to the bus correctly and securely In addition verify that the correct hard drive type is selected with the Setup program and all jumpers on the hard drive are set correctly FLOPPY DISK CONTROLLER ERROR OR NO CONTROLLER PRESENT The floppy drive controller cannot be detected or initialized Verify that the corresponding controller is configured correctly with the Setup program If the floppy drive is not installed make sure that Diskette Drive is set to NONE with the Setup program KEYBOARD ERROR OR NO KEYBOARD PRESENT If this condition occurs verify that the keyboard is connected correctly Also verify that no key was pressed during booting If the system is configured without a keyboard set the condition to stop due to an error to HALT ON ALL BUT KEYBOARD in the Setup program If this is done the BIOS will ignore that the keyboard is missing and continue to boot 67 PC 486HU PC LV 7 Appendixes 68 MEMORY ADDRESS ERROR If this error occurs check the reported location on the memory map This allows you to identify and replace the defective memory chip MEMORY SIZE HAS CHANGED Since the last time the system was booted memory has been added or removed If the system is in EISA mode run the memory configuration
32. d later with POST 61h BF 1 According to Setup program values program the remaining chip sets Later Setup Value Program 2 If auto setup is enabled program chip sets using the values predefined in the MODBINable Auto Table 4 Initialize the floppy disk drive controller 42 Initialize the hard drive controller 43 Inthe case of PnP BIOS initialize the serial and parallel ports 45 Initialize the math coprocessor 4E Iferrors are detected such as video and or keyboard errors display all error messages and wait for the user to press the F1 key 4F 1 Request to input a password if it is necessary 2 Clear the Energy Star log only in the case of Green BIOS 50 Write all CMOS values that are currently stored in the BIOS stack area to CMOS once more 52 1 Initialize all ISA ROMs 2 Do late PCI initialization only in the case of PCI BIOS Assign IRQ to PCI devices Initialize all PCI ROMs 71 PC 486HU PC LV 7 Appendixes 3 Initialize PnP only in the case of PnP BIOS Assign I O memory IRQ and DMA to PnP ISA devices Initialize all PnP ISA ROMs 4 According to the Setup program values program the shadow RAM 5 According to the Setup program values program parities 6 Initialize the power management function Enable disable the global PM Initialize the APM interface 53 1 If the BIOS is not PnP BIOS initialize the serial and parallel ports 2 Convert the RT
33. d onto CMOS 53 PC 486HU PC LV 6 Award BIOS Setup INTEGRATED PERIPHERALS When you select the INTEGRATED PERIPHERALS option on the main menu the following screen appears ROM PCI ISA BIOS 2A5KIP6A INTEGRATED PERPHERALS AWARD SOFTWARE INC On Chip Local Bus IDE Enabled IDE Buffer for DOS amp Win Enabled IDE HDD Block mode Enabled IDE Primary Master PIO Auto IDE Primary Slave PIO Auto Onboard FDC Controller Enabled Onboard UART 1 3F8 IPQ4 Onboard UART 2 2F8 IRQ3 Onboard UART 2 Mode Standard Onboard Parallel Port 378 IRQ7 Parallel Port Mode Normal Quit f l gt e Select Item Help Pu Pd Modify Old Values Shift F2 Color Load BIOS Defaults Load Setup Defaults Move the cursor to the target item and press the Fl key This displays the item s all options you can choose from The user must select the target option When you are finished with setting according to the system configuration press the Esc key to return to the main menu On Chip Local Bus IDE If you are not going to use another IDE interface always set this item to Enabled IDE Buffer for DOS amp Win Setting this item to Enabled to use the on chip read ahead posted write IDE buffer results in higher IDE device throughput The use of the buffer slows down the operation of the IDE device If the operation of the IDE device is questionable try changing this setting to verify the be
34. ect this connector if the power is supplied to the ISA backplane board Pin No Function N C 5V 12V 12V GND Olu Bl w N ra GND Compatible connector Equivalent to the GTC6P 1 Compatible socket contact Equivalent to the PCK 18 2TR9 Manufacturer BURNDY A Contec ASSY product that comes with a cable is available One end is soldered Model PCA 6P2 Specification 36cm in length AWG 18 Two in a package However cable colors are different 25 PC 486HU PC LV 3 Description of Hardware UTP LAN Connector The LAN connector has two LEDs The green LED indicates the linked state and the amber LED comes on during data transfer The pin assignment is shown next Table 3 23 LAN connector LED green LINK Green O Ol LED yellow ACT O Q2 O um S Yalw O Op a UTP O Pin No Function I TX 2 TX 3 RX 4 ISOLATED GND 5 ISOLATED GND 6 RX 7 ISOLATED GND 8 ISOLATED GND Pull Hi LED Yellow Pull Hi LED Green Note The LAN controller hardware on the board cannot be disconnected 26 PC 486HU PC LV Description of Hardware JP9 Watchdog Timer Settings This jumper allows you to set the operation that takes place when the watchdog timer expires Select reset or NMI
35. er Conservation Block Diagram 37 CPU Duoze MOCGO un cn a a uem dus 37 System Standby Mole uk 38 System Suspend Moche kk 38 6 Award BIOS Setup wns 39 OVE E 39 Starting Setup Program 40 STANDARD CMOS SETUP Menu nnn 42 BIOS FEATURES SETUP edt eene eret 46 CHIPSET FEATURES SETUP i cite tete oen ene 49 POWER MANAGEMENT SETUP ener 50 PCI CONFIGURATION SETUP renum Eher ss 52 LOAD BIOS DEFAULT Sih dissecci oco rrn reram poete 53 LOAD SETUP DEFAUL TS iiis ebore nee eben 53 INTEGRATED PERIPHERALS eene 54 PASSWORD SEW ING EE 56 IDE HDD AUTO DETECTION enn 57 SAVE amp EXIT SETUP ere Seed eege neque rugs ai 60 7T AppendlX8s i5 i d EIE EEE EE EHE EE DELE EHE IEEE CERE ERE DRE EE EIUS 61 A EXpalisloti B Usati ret riter rece reete rer areae 61 ISA Bus Pin Assignment eesseeeeeeennnn 61 B Technical SUMMA s cca tent rar n eR eR ERE 62 Interrupt Map eere nennen nennen nennen nnne 62 RTC and CMOS RAM Map 63 Timer and DMA Channel Maps sees 64 1 0 and Memory Mape eene 64 C Troubleshooting ioco d e poco eo of Sears 66 Error Messages EE EE EE 66 POST COG oid aura bert gate EE Ut ui RR ARE LS 69 iv PC 486HU PC LV Figure 2 1 Figure 3 1 Figure 3 2 Figure 3 3 Figure 4 1 Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 3 5 Table 3 6 Table 3 7 Table 3 8 Table 3 9 Table 3 10 Table 3 11 Table 3
36. ge in shipping Check the contents to make sure that you have everything listed above If you do not have all the items contact your distributor or CONTEC group office where you purchased Do not remove the board from its protective packaging until the computer case is open and ready for installation Electrical static can cause damage to electrical components PC 486HU PC LV Table of Contents COPYN EE i NEEE lE ul 4m eed i Product ee Oe EC e AE ii LAU NEP OGUCTION RE 1 Limited Three Year Warrantv 2 How to Obtain Service EEN 2 Elei e 2 Handling Precautiofis rn per orien p eere 3 About the Manual 4 2 System Reference eee nnns 5 SCT INCL NEE 5 Safety e te EE H Identification of Board Components sseeeeeeeeerrree 8 3 Description of Hardware een 9 J umper Setup Procedure eeeeeeeeeeennn 10 J umpefrs and Gaps o expen aper eper eoe Spies 10 J umper Illustrations 11 Jumper Seti EE 11 Description of J umpers and Connectors 12 4 Software Utilities eee ERR EEN ENEE RENE 29 VGA Driver Let TEEN 29 VGA EIERE 29 Installation of VGA Driver for BC 30 Updating ai BEE 32 Updating System BIOG 32 LAN Driver Ee 34 eR MATE 34 Installation of the Driver 34 Setting Watchdog TIMET ssssssssssssrsssssssserrrrrrrssseerrrrrrrn 36 PC 486HU PC LV iii 5 Green PC Function sssssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 37 Pow
37. h off the system Before replacing any hardware device switch off the system or current surge may damage the corresponding electronic component or the entire system when connecting jumpers or installing cards PC 486HU PC LV 2 System Reference Identification of Board Components EXKB nuuuuu JP8 bnunununn nun nna uguunuguumumumumuuuuuuu oOoo00000o000000000 JPp64 JP7 ogjoga OoOojooo oo oo Flash BIOS DH D H JP10 JP4 onmm0000000000 TOTTE AHATEEN Ww Uu Hal MX98715 Iesel Al ooo TTT TTT TT E TT N ooo ooo 4 ooo gt OYL Wis Wis Wis Weis Obooo0go0o0o0o0o0o0o0000 numumumumumumumumumuumuu OoOoO0o0o0o0o0o000000000000 F uumummumuumuuumumumumummumuuu 1 f PRN FDD HD b gt symbol gt Figure 2 1 Component identification Pin 1 LOCATION PC 486HU PC LV Description of Hardware 3 Description of Hardware This chapter describes jumper and connector settings in detail and identifies the location of each component Table 3 1 Quick reference table Jumpers and connectors RS232C 422 485 COM2 selection oi connector for keyboard or Ps2 mous ON
38. in MINI DIN keyboard connector from the EXKB connector to the case scuttle Procedure 2 If there is a 5 pin DIN keyboard connector on the backplane or a DIN connector on the backplane board connect the keyboard to the backplane using an EXKB connector cable normally attached to the rack side 15 PC 486HU PC LV 3 Description of Hardware HDD Hard Disk Driver Connector Table 3 11 Hard disk driver connector 39 1 0000000000000000 omm0mm0m m0000000000000000 40 2 HDD Pin No Function Pin No Function 1 REST 2 GND 3 D7 4 D8 5 D6 6 D9 7 D5 8 D10 9 D4 10 Dill 11 D3 12 D12 13 D2 14 D13 15 D1 16 D14 17 DO 18 D15 19 GND 20 N C 21 N C 22 GND 23 low 24 GND 25 IOR 26 GND 27 IORDY 28 N C 29 N C 30 GND 31 IRQ14 32 1016 33 Al 34 N C 35 AO 36 A2 37 cso 38 CSI 39 HDLED 40 GND 16 PC 486HU PC LV Description of Hardware FDD Floppy Disk Drive Connector One 34 pin daisy chain cable allows two FDDs to be connected One end of this cable is a 34 pin flat cable and connects to the FDD on the board The other end connects to two FDDs Table 3 12 Floppy disk drive connector 33 1 EISES ommm00000000000000 34 2 Pin No Function Pin No Function 1 GND 2 RPM 3 GND 4 N C 5 GND 6 N C 7 GND 8 INDEX 9 GND 10 MTRO 11 GND 12 DRV1
39. inal boards The warranty is not applicable if the device has been tampered with or damaged through abuse mistreatment neglect or unreasonable use or if the original invoice is not included in which case repairs will be considered beyond the warranty policy How to Obtain Service For replacement or repair return the device freight prepaid with a copy of the original invoice Please obtain a Return Merchandise Authorization Number RMA from the CONTEC group office where you purchased before returning any product No product will be accepted by CONTEC group without the RMA number Liability The obligation of the warrantor is solely to repair or replace the product In no event will the warrantor be liable for any incidental or consequential damages due to such defect or consequences that arise from inexperienced usage misuse or malfunction of this device PC 486HU PC LV Introduction Handling Precautions Take the following precautions when handling this board Do not strike or bend the board Doing so could damage the board Do not modify the board CONTEC will bear no responsibility for any problems etc resulting from modifying this board Do not touch the board s metal plated terminals edge connector with your hands Doing so could cause connection malfunctions If the terminals are touched by someone s hands clean the terminals with industrial alcohol There are switches on the board that need to be set
40. ion of that item appears at the bottom of the window If you are using a color monitor the Shift F2 keys allows you to modify combinations of colors 40 PC 486HU PC LV Award BIOS Setup The main menu has the following setting items STANDARD CMOS SETUP Sets up the BIOS for standard AT compatible computers BIOS FEATURES SETUP Sets up Awards enhancement features CHIPSET FEATURES SETUP Sets up the features specific to the chip set POWER MANAGEMENT SETUP Sets power consumption PNP PCI CONFIGURATION Configures the PCI bus system LOAD BIOS DEFAULTS Indicates the minimum settings set up by the manufacturer which are required for your system to be able to operate LOAD SETUP DEFAULTS These chip set default values are set up for the system to achieve its maximum performance INTEGRATED PERIPHERALS Sets up an IDE hard disk and programmed I O functions PASSWORD SETTING Allows you to specify change or not to use a password With these options you can either restrict access to the system or settings or allow only setting IDE HDD AUTO DETECTION When you don t know the parameters of your own hard disk this item allows the parameters to be detected or set up automatically HDD LOW LEVEL FORMAT This is the utility that performs low level formatting on the hard disk SAVE AND EXIT SETUP Saves all changes you have made to CMOS before exiting setup mode EXIT WITHOUT SAVING Immediately proceeds to e
41. l Panel icon 2 In the New Hardware Found dialog box select Driver from disk provided by hardware manufacturer and click OK 3 Insert utility disk 3 into the floppy disk drive enter the corresponding driver s path name A W95 or A W98 for example and click OK in the Install From Disk dialog box 4 When the system detects the target adapter to be installed one of the following adapter names appears on the screen Macronix MX987xx Fast Ethernet Adapter Macronix MX987xx Family Fast Ethernet Adapter ACPI 5 Follow the instructions that appear on the screen to complete the installation operations 6 Restart your computer 34 PC 486HU PC LV Installation in Microsoft Windows NT 4 0 1 After selecting My Computer in NT 4 0 click Control Panel 2 Select the Network icon in the Control Panel window 3 In the Network Settings dialog box select Adapters The Add Network Adapter dialog box appears 4 After selecting Have Disk from the network card list press the Enter button 5 After inserting the LAN driver disk into drive A enter the drive and path name A NT40 and click OK 6 As a result the following product list appears in the Installed adapter dialog box Macronix MX987xx Family Fast Ethernet Adapter Macronix MX987xx Family Fast Ethernet Adapter ACPI In the product list select Macronix MX987xx Family Fast Ethernet Adapter and click OK to install this driver 7 When
42. ld down key A character a will be displayed repeatedly until you release the A key This items defaults to Disabled Typematic Rate Chars Sec This item allows you to define the keyboard Typematic rate the speed at which the character is generated while you hold down a key Typematic Delay Msec This item allows you to define the length of time before the Typematic function is enabled the length of time from the pressing of a key through the end of repeating that character Security Option This category allows you to specify whether you want to restrict access to the system and setup both or to restrict access to setup only To disable this security option select the password setting item on the main menu As you are prompted to input a password simply press the Enter key without entering any other key This disables the security option When the option is disabled the system starts up allowing you to enter into the setup program 48 PC 486HU PC LV Award BIOS Setup CHIPSET FEATURES SETUP When you select CHIPSET FEATURES SETUP on the main menu the following screen appears ROM PCI ISA BIOS 2A4KDP6L CHIPSET FEATURES SETUP AWARD SOFTWARE INC Auto Configuration Enabled IO Channel Check NMI Enabled AT BUS Clock CLK 4 DRAM Read Timing Normal DRAM Write Timing Normal SRAM Read Timing Ea os SRAM Write Timing 0 Wait Hidden Refresh Disabled Memory Hole 15M 16m Disabled ISA I O Rec
43. lity disk When the disk is installed the corresponding files are automatically decompressed and a subdirectory is created on the hard drive Installation of VGA Driver for PCI Installation of VGA Driver in Windows 3 1 1 The procedure to install the VGA driver in Windows 3 1 is the same as any other standard installation of drivers Insert utility disk 1 into the floppy disk drive and copy it to directory Win 3 1 the destination to copy the VGA driver to 2 Click the Setup exe file to run the VGA driver installation process Follow the instructions that appear on the screen to complete the installation process 3 When the installation is complete shut down and restart your system to enable the changes you have made Installation of VGA Driver in Windows 95 1 Click the Start button to display Control Panel 2 In Control Panel click the Display icon In Display Properties window click the Settings tab 3 Select the Settings page and click the Change Display Type button Click the Convert button in the Adapter Type area 4 After clicking the Have Disk button click OK 5 Specify the new driver path and press the Enter key The Select Device dialog box appears Select Chip and Tech 65550 PCI 6 Follow the instructions that appear on the screen to finish the installation When it is complete restart your computer Installation of VGA Driver in Windows NT 3 5x 4 0 1 The procedure to install the VGA driver in Windows NT
44. mer MOV AX 000FH Select an appropriate value 0 MOV DX 443H OUT DX AX When disabling the watchdog timer MOV AX 000FH This value will be ignored MOV DX 441H OUT DX AX The following is the table to control the watchdog timer Table 4 1 Timer control table Level Value Freguengy Sec Level Value Freguengy Sec 36 PC 486HU PC LV Green PC Function 5 Green PC Function This chapter describes the Green PC function in detail Power Conservation Block Diagram Resumption by keyboard mouse Timer controlled transition to standby wake up Timer controlled transition to Suspend CPU Doze Mode 1 When timeout occurs the CPU clock drops to SMHz 2 The buzzer sounds once 3 The LED connected to the GRN connector see page 13 flashes to indicate power conservation state 4 Activities are monitored according to Advanced Setup settings 5 When some activity takes place the system exits Doze mode to enter into On mode 37 PC 486HU PC LV 5 Green PC Function System Standby Mode 1 When timeout occurs the CPU clock drops to 8MHz 2 The buzzer sounds two times 3 The LED connected to the GRN connector see page 13 flashes to indicate power conservation state 4 The level 1 cache is disabled 5 The VGA monitor screen goes blank 6 The hard disk driving motor stops 7 When some activity takes place the system exits Standby mode to enter into On mode System Suspend Mode 1
45. message will appear in the center of the screen to assist you in creating a password Enter Password Enter a password using up to eight characters and press the Enter key The new password just entered will overwrite the previous password stored in the CMOS memory Since you will be asked to confirm the password enter the same password once more and press the Enter key If you press the Esc key instead you can abort the password entry operation and the password will not be updated To disable a password simply press the Enter key when you are prompted for a password This displays the message shown below confirming that the password will be invalidated When the password is invalidated the system starts up and you can be in the Setup program Password Disabled If you set Security Option to System on the BIOS FEATURES SETUP menu you will be asked for a password when booting and when you enter into the Setup program If you select Setup under Security Option on the BIOS FEATURES SETUP menu you will be asked for a password only when you enter into the Setup program 56 PC 486HU PC LV Award BIOS Setup IDE HDD AUTO DETECTION When you select the IDE HDD AUTO DETECTION option on the main menu the following screen appears ROM PCI ISA BIOS 2A4XDP69 STANDARD CMOS SETUP AWARD SOFTWARE INC CYLS HEADS PRECOMP LANDZONE SECTORS MODE D ive 0 0 0 0 Select Driver C Option N Skip N Option Size Cyls Head
46. ng the POST Boot Sequence Specify whether drive A or drive C should be checked first by the system when booting Boot Up Floppy Seek Under this item specify whether the system should access the floppy disk drive or the hard disk drive at boot up after the power is turned on Boot Up Numlock Status Specify whether or not to automatically enable NumLock on the keyboard when the power is turned on Boot Up System Speed If you select High the system setup process will run in turbo speed high speed mode at boot up If you select Low the system setup process will run in normal speed mode Regardless of the mode selected you can toggle between these two modes while the system is running Memory Parity Check Specify Enabled or Disabled depending on whether or not you want to have the system perform parity check at boot up If you select Disabled the BIOS will ignore a parity error even if it is detected Always set this item to Enabled in order to verify that the memory is normal whenever the PC is started 47 PC 486HU PC LV 6 Award BIOS Setup Gate A20 Option If you set this item to Fast the A20 signal will be controlled by a method specific to the chip set Typematic Rate Setting Select Enabled if you want to enable keyboard s Typematic characteristics Typematic means that when you continue to hold down one key its corresponding character is input repeatedly For example if you continue to ho
47. ounds The other type of buzzer indicates that a DRAM error has occurred This buzzer is comprised of one long sound which will be repeated CMOS BATTERY FAILURE The CMOS battery is either not functioning normally or is depleted Replace the entire unit CMOS CHECKSUM ERROR The CMOS has been destroyed A depleted battery could also be the cause of this message Check the battery and replace it with a new battery if necessary DISPLAY SWITCH IS SET INCORRECTLY The display switch on the mother board can be set to either monochrome or color This error message indicates that the setting of that switch is different from the setting specified with the Setup program After checking to see which setting is correct switch off the system and change the jumper or modify the VIDEO selection with the Setup program PC 486HU PC LV Appendixes DISK BOOT FAILURE If the boot device cannot be found insert the system disk into drive A and press Enter After verifying that all controllers and cables are at correct locations and that the disk is correctly formatted restart the system DISKETTE DRIVES OR TYPES MISMATCH ERROR The disk drive type is different from the definition in CMOS Either run the Setup program once more or run the drive configuration process once more ERROR ENCOUNTERED INITIALIZING HARD DRIVE The hard drive cannot be initialized Verify that the corresponding adapter is correctly installed and all cables are corre
48. overy Enabled Fast Back to Back Enabled Quit tT lt Select Item Help Pu Pd Modify Old Values Shift F2 Color Load BIOS Defaults Load Setup Defaults Move the cursor to the target item and press the Fl key This displays the item s all options you can choose from Auto Configuration When you select Enabled the BIOS will automatically set up the cache and clock based on the detected CPU clock speed No any other parameter can be changed If you set this item to Disabled you must set the parameters related to the DRAM cache and I O bus clock DRAM Timing Option This option adds as many wait states as specified here when reading from the DRAM The fewer the number of wait states the higher the performance will be SRAM Timing Option This option adds as many wait states as specified here when reading from the SRAM The fewer the number of wait states the higher the performance will be 49 PC 486HU PC LV 6 Award BIOS Setup AT BUS Clock Define the AT bus clock value Normally the AT bus clock value is set to 8MHz For example if you system clock is 33MHz select 4 1 CLKIN All values that derive from CLKIN are referred to as synchronous mode The option named 7 159MHz is referred to as asynchronous mode IO Channel Check NMI This item allows you to select whether or not to report the ISA bus IOCHK signal to NMI POWER MANAGEMENT SETUP When you select POW
49. p at BIOS startup Available choices are All Errors No Errors All But keyboard All But Diskette and All But Disk key PC 486HU PC LV Award BIOS Setup Hard Disk Attributes Table 6 1 Award s hard disk types 10 20 30 62 46 20 30 30 Ny 20 35 49 20 42 00 20 40 56 59 30 42 30 10 40 76 71 NVNNN d d d d d 4 4 4 e o 4 d d 4 MEME d d d d 4 4 4 d d d d d 4 4 4 d d d d d N o N an 4 4 6 8 6 4 8 5 15 3 5 7 8 7 0 4 5 7 7 5 7 5 4 5 9 7 1 5 8 1 1 9 D 2 3 4 2 6 5 6 5 5 6 6 8 45 PC 486HU PC LV 6 Award BIOS Setup BIOS FEATURES SETUP When you select BIOS FEATURES SETUP on the main menu the following screen appears Virus Warning Disabled Video BIOS Shadow Enabled CPU Internal Cache Enabled C8000 CFFFF Shadow Disabled External Cache Enabled D0000 D7FFF Shadow Disabled Quick Power On Self Test Disabled D8000 DFFFF Shadow Disabled Sequence A C SOSI Floppy Drive Disabled Up Floppy Seek Enabled Up Numlock Status ON Up System Speed High A20 Option Fast Boot Swap Boot Boot Boot Gate Memory Parity Check Enabled Typematic Rate Setting Disabled Typematic Rate Chars Sec 6 Typematic Delay Msec 250 Security Option Setup PS 2 mouse function control Enabled Quit tT l gt e Select Item PCI VGA Palette Snoop Disabled Help Pu Pd Modify OS Select For DRAM
50. process once more using the Configuration Utility If the system is in ISA mode specify the new memory size in the memory related field using the Setup program MEMORY VERIFYING ERROR An error has occurred while checking values written to the memory Check the reported location on the system memory map This allows you to identify the defective chip OFFENDING ADDRESS MISSING If the segment that caused a problem cannot be identified this message is displayed along with messages I O CHANNEL CHECK and RAM PARITY ERROR REBOOT ERROR If this error occurs you need to restart the system Press any key to restart the system SYSTEM HALTED Since the current boot process has been aborted you need to restart the system Press the Del key while holding down the Ctrl and Alt keys PC 486HU PC LV Appendixes POST Code If the screen does not display any data when you turn on the PC you need to insert the POST card to test the system The ISA POST port address is 80h Insert the POST card into the correct slot The following is a list of error messages Adjust the system according to instructions If the error persists even after the adjustment please contact the Contec Information Center CO Turn off OEM specific cache shadow memory etc 03 Initialize all standard devices including the following to their defaults DMA controller 8237 Programmable interrupt controller 8259 Programmable interval timer 8254 RT
51. r supply connector ssssseeesssesssssseeerreessssseee 25 LAN connector EE 26 Watchdog selection 5 cnini 27 Panel E e EH 27 Panel power supply Conpechor 28 DRAM bank senges 28 Timer control table genase eM ds a des 36 ISA bus pin asaignment 62 Interrupt EEN 63 RTC and CMOS RAM map eem 64 Timer channel e EE 65 DMA channel TIHDE eoe ned no Fir Rina o eius 65 Memory map inet esi heec tected a ede ctetuer 65 Eeer 66 PC 486HU PC LV Introduction 1 Introduction Thank you for choosing the PC 486HU PC LV This board is equipped with enhanced VGA and LAN functions and is fully compatible with the PC AT computer With faster processing speed and increased extensibility the board can handle more tasks than ever Please read this guide carefully before connecting the board with external devices or building a system PC 486HU PC LV 1 Introduction Limited Three Year Warranty CONTEC Interface boards are warranted by CONTEC Co LTD to be free from defects in material and workmanship for up to three years from the date of purchase by the original purchaser Repair will be free of charge only when this device is returned freight prepaid with a copy of the original invoice and a Return Merchandise Authorization to the distributor or the CONTEC group office from which it was purchased This warranty is not applicable for scratches or normal wear but only for the electronic circuitry and orig
52. rts logical addresses written using sector head and cylinder numbers into specific physical addresses in the HDD LBA mode supports a maximum HDD size of 8 4 GB This size can be found with the following formula Cylinder count 1024 x Head count 16 x Sector count 63 x Byte count sector Total 512 Total 528 MB PC 486HU PC LV Note Award BIOS Setup LARGE Mode Some IDE HDDs are equipped with more than 1 024 cylinders without support for LBA The BIOS also supports this type of HDD CYLS HEADS SECTOR MODE 1120 16 59 NORMAL 560 32 59 LARGE The BIOS indicates to DOS or any other OS as if the number of cylinders were fewer than 1 024 by dividing the number of cylinders by 2 and at the same time multiplies the number of heads by 2 In order to access correct HDD addresses inverse conversion takes place in INT 13h Cylinder count 1024 x Head count 32 x Sector count 63 x Byte count sector 512 Total 1 GB In order to support an LBA or LARGE mode HDD you need to use some software Any such software is located in the Award HDD Service Routine INT 13h However if you attempt to access the HDD by selecting LBA LARGE mode it may fail if you have an operating system in which the entire INT 13h has been converted 59 PC 486HU PC LV 6 Award BIOS Setup SAVE amp EXIT SETUP 60 When you are finished with adjusting settings as necessary you need to store changes you have made in CMO
53. s Precomp Landzone Sectors 2 Y 1277 619 0 2476 1 1278 2477 2476 3 1277 1238 65536 2476 Note Some Oses like SCO UNIX must use Normal for installation ESC Skip AUTO DETECTION The BIOS s Setup program displays all modes supported by the HDD including NORMAL LBA and LARGE If the HDD does not support LBA mode the LBA option is not displayed If an HDD of which the number of cylinders is fewer than 1 024 does not exist the LARGE option is not displayed The user can select an appropriate mode HDD MODE Award BIOS supports three HDD modes NORMAL LBA and LARGE 57 PC 486HU PC LV 6 Award BIOS Setup 58 RMAL M This is a general purpose access mode Neither the BIOS nor the IDE controller performs conversion during accessing The maximum number of cylinders heads and sectors in NORMAL mode is 1 024 16 and 63 respectively Cylinder count 1024 x Head count 16 x Sector count 63 x Byte count sector 512 Total 528 MB When the user sets the HDD to normal mode the maximum accessible HDD size will be 528 MB However the physical size might be larger than that LBA Logical Block Addressing M This is a new way to access the HDD in order to overcome a bottleneck of being 528 MB The number of cylinders heads and sectors displayed by the Setup program may differ from the number of physical cylinders heads and sectors in the HDD When accessing the HDD the IDE controller conve
54. scribes the Green PC function in detail Award BIOS Setup Describes how to set up the BIOS Appendix Describes the expansion bus technical summary and troubleshooting PC 486HU PC LV System Reference 2 System Reference Specifications Functional Specifications lt 1 2 gt Real time clock calendar Dallas DS 12887 real time clock Ke Backs up CMOS data by BIOS settings Battery life Approx 10 years BIOS Award Flash BIOS Plug and Play compatible 128KB flash EEPROM Green function Supports S IO setup K eyboard mouse connector MINI DIN connector Compatible with the PC AT keyboard or PS 2 mouse eege SSD socket 32 pin SSD onboard socket x 1 Supports up to 144MB DiskOnChip by M Systems VGA Intel s C amp T 65550 VRAM 1MB built in 32 bit PCI local bus connection CRT LCD compatible Simultaneous output capability TF T STN compatible Video BIOS compatible with 1 024x768XGA 800x600SVGA and 640x480VGA LCDs is stored in the system BIOS CRT connector VGA compatible 15 pin MINI D SUB x1 LCD connector 41 pin DF 9 41P 1V 22 by HIROSE x 1 Watchdog 1 O port 443H Enable watchdog 1 O port 441H Disable watchdog Expiration timing Choose from 0 8 16 24 32 40 48 56 64 72 80 88 96 104 112 120 sec 47 2596 IDE interface IDE port x 1 Supports two expansion I DE devices Hop od 40 pin 2 54mm pitch pin header connector x 1 FDD interface Floppy disk drive 3 5inch 5 25inch Supports two 360K 720K 1 2M 1 44M 2 88M drives 34
55. st operations 54 PC 486HU PC LV Award BIOS Setup IDE HDD Block Mode The use of this field allows the hard disk controller to use high speed block mode when it transfers data to and from the hard disk drive IDE Primary Master Slave PIO The use of these fields allows the system s hard disk controller to function at a higher rate of speed The use of PIO Programmed Input Output rather than letting the BIOS and the hard disk drive transfer a series of commands between them allows the BIOS to interact directly with the control or CPU If you select AUTO the BIOS will be selected in the most appropriate mode Onboard FDC Controller This option allows you to select the onboard FDC port Onboard UART Parallel Port The use of these fields allows you to select an onboard serial parallel port and its address The ports default to the following values UART 1 3F8 IRQ4 UART 2 2F8 IRQ3 Parallel port 378 IRQ7 Onboard UART 2 Mode In this field specify computer s UART2 mode selecting from such choices as Standard HPSIR and ASKIR Parallel Port Mode This field allows you to specify the parallel port s mode function SPP Standard Printer Port EPP Enhanced Parallel Port ECP Enhanced Capabilities Port ECP EPP Enhanced Capabilities Port or Enhanced Parallel Port 55 PC 486HU PC LV 6 Award BIOS Setup PASSWORD SETTING To enable this item select the PASSWORD SETTING option on the main menu The following
56. the document provided by the hard disk vendor or the manufacturer of the system If the HDD interface controller is ESDI select type 1 If the HDD interface controller is SCSI select None If the HDD interface controller is CD ROM select None TYPE Using a specific identification parameter specify the drive number CYLS This is the number of cylinders detected with the specified drive type HEADS This is the number of heads detected with the specified drive type WPCOM WPcom is a read delay circuit which takes into account the difference between the inner and outer edges on the surface of the disk platter For this numeric value specify the signal start cylinder 43 PC 486HU PC LV 6 Award BIOS Setup 44 LZONE Lzone means the head s landing zone Using a numeric value specify the cylinder that normally ships the head when the system is in shut down state SIZE CAPACITY This is the formatted capacity of the drive calculated based on expression header count x cylinder count x number of sets x 512 bytes sectors Drive A and Drive B Available choices are 360KB 5 25 inch 1 2MB 5 25 inch 720KB 3 5 inch 1 44MB 3 5 inch 2 88MB 3 5 inch and None Not Installed can also be specified for a workstation that does not have a disk Video Available choices are Monochrome Color 40 VGA EGA and Color 80 Halt On Specify the error condition that stops system startu
57. tion Pin No Function 1 N C 17 SD3 2 N C 18 SD4 3 N C 19 SD5 4 SA12 20 SD6 5 SA7 21 SD7 6 SA6 22 CE 7 SA5 23 SA10 8 SA4 24 OE 9 SA3 25 SA11 10 SA2 26 SA9 11 SA1 27 SA8 12 SAO 28 N C 13 SDO 29 N C 14 SD1 30 Vcc 15 SD2 31 WE 16 GND 32 Vcc PC 486HU PC LV Description of Hardware 23 3 Description of Hardware 24 Note JP6 and JP7 SSD Memory Map Selection The 32 pin SSD socket supports up to a 144MB SSD This PnP FLASH ROM SSD can be installed as a user hard disk as drive C the SSD can be used as a boot up hard disk This SSD does not have manufacturer s defaults according to the following memory map Table 3 21 SSD memory map SDD memory map J umper setting J umper illustration pins closed JP6 JP7 1 2 CCO0O0h CDFFFh 1 2 3 4 1 0 Of 2 8 3 4 JP6 JP7 2 D0000h D1FFFh 3 4 12 1 0 2 83 4 JP6 J P7 D4000h D5FFFh 3 4 3 4 1 2 3 CEO 4 JP7 D8000h D9FFFh 5 6 12 1 2 s n na JP7 DCOO0h DDFFFh 5 6 34 1 2 3 4 JP7 EO000h ElFFFh 78 12 1 2 3 4 JP7 Factory setting PC 486HU PC LV Set the jumpers Description of Hardware PWR Power Supply Connector Table 3 22 Power supply connector You do not need to conn
58. xit setup mode without saving any change you have made to CMOS 41 PC 486HU PC LV 6 Award BIOS Setup STANDARD CMOS SETUP Menu When you highlight STANDARD CMOS SETUP and press the Enter key the following screen will appear ROM PCI ISA BIOS 2A4KDP6L STANDARD CMOS SETUP AWARD SOFTWARE INC Data mm dd yy Tue May 19 1998 Time hh mm ss 18 24 14 Drive C Drive C Drive A Drive B Video Halt On CYLS Auto OMb 0 Auto OMb 0 1 44M 3 5 in None EGA VGA All Errors HEADS PRECOMP LANDZONE SECTORS MODE 0 0 0 0 0 0 0 AUTO 0 AUTO Base Memory Extended Memory Other Memory 640K 7168K 384K 8192K Total Memory t l gt Shift F2 Select Item Pu Pd Change Color Esc Quit Modify Fl Help The basic and extended memory sizes are displayed in the above table Since these parameter values are automatically read from the system the user does not need to set them A calendar is also displayed on the above screen The day of the week is displayed based on the date set on the system clock The current date is flashing The time and date shown may not be correct since they have not yet been set Each parameter is described next Date The day of the month is displayed in mm dd yy format For information on the range for each value see the CMOS SETUP screen The day of the week is calculated automatically Time of Day

PC-486HU(PC)-LV User`s Manual

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