EVOC EC7-1813CLD2NA SERIES User Manual Download Page 1

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EC7-1813CLD2NA SERIES

基于 Intel® Luna Pier 平台 Mini-ITX 主板

Mini-ITX Motherboard Based on Intel®

Luna Pier Platform

Version: C00

Summary of Contents for EC7-1813CLD2NA SERIES

Page 1: ...EC7 1813CLD2NA SERIES 基于 Intel Luna Pier 平台 Mini ITX 主板 Mini ITX Motherboard Based on Intel Luna Pier Platform Version C00 ...

Page 2: ...on This user manual is protected by copyright No part of this manual may be reproduced stored in any retrieval system or transmitted in any form or by any means mechanical electronic photocopied recorded or otherwise without the prior written permission from the manufacturer Trademarks EVOC is a registered trademark of EVOC Intelligent Technology Co Ltd Other product names mentioned herein are use...

Page 3: ...herboards or expansion cards first disconnect the computer and peripherals from their power sources to prevent electric shock to human bodies or damage to the product 6 Remember to disconnect the AC power cord from the socket before removing the board or moving the PC 7 For PC products remember to disconnect the computer and peripherals from the power sources before inserting or removing a board 8...

Page 4: ...ry 2 Display Function 2 Network Function 3 Audio Function 3 Power Feature 3 Expansion Bus 3 Watchdog Function 3 Operating System 3 On board I O 4 Chapter 2 Installation 5 Product Outline 5 Locations of Connectors 6 Structure 7 Jumper Setting 8 Install the System Memory 9 Serial Port 10 Display Connector 11 LCD Backlight Control Connector 13 Audio Connector 13 ...

Page 5: ...Connector 21 Fan Connector 21 CF Card 22 Expansion Slot 23 Instructions for DVI Display Output 24 Chapter 3 BIOS Setup 27 BIOS Overview 27 BIOS Parameter Setup 27 Basic Function Setting for BIOS 28 System Resource Managed by BIOS under X86 Platform 43 Chapter 4 Install the Drivers 46 Appendix 47 Watchdog Programming Guide 47 Digital IO Programming Guide 49 Troubleshooting and Solutions 53 ...

Page 6: ... 485 two support power supply one PS 2 KM connector one PCI slot the board adopts the standard ATX power supply or 12V single power supply The product adopts Intel low power consumption solution and supports multi COM power supply on serial port VGA LVDS dual display PCI expansion and so on It can satisfy the industrial requirements of POS and lottery machines besides it can be used in advertising...

Page 7: ...sumption for EC7 1813CLD2NA D5 is as follows CPU Intel Atom D510 Memory DDRII800 2GB Kingston Hard Disk Seagate 500GB SATA Ø 3 3V 0 62A 5 3 Ø 5V 1 15A 5 3 Ø 12V 0 52A 5 3 Microprocessor Intel Atom D510 Dual Core D410 Single Core processor on board integrated memory controller and graphics controller Chipset Intel Atom D510 D410 processor Intel ICH8M System Memory Provides one 200 Pin SO DIMM DDR2 ...

Page 8: ...up to 1366 768 The maximum resolution supported by DVI is up to 1600 1200 Network Function Provides two 10 100 1000Mbps LAN ports LAN1 supports Wake on LAN function while LAN2 supports LAN PXE booting Audio Function Adopts HD standard supporting MIC IN LINE IN LINE OUT Power Feature Adopts ATX AT power ATX power supports ACPI1 0b specification and the status of S0 S1 S4 and S5 AT power supports si...

Page 9: ...5V 12V power output Ø One IDE connector Ø One CF card connector Ø Two SATA connectors supporting hot swap function Ø Eight USB2 0 ports USB1 USB4 are brought out via connectors directly USB5 USB8 are brought out in 2x5Pin headers Ø Two PS 2 keyboard mouse connectors one is a standard connector and the other a pin header Ø One 8 channel digital I O connector Tips how to identify the alarms 1 Long b...

Page 10: ...e H2 H3 H4 H1 170 170 4 9 154 9 132 1 33 157 5 6 4 Unit mm Warning Please adopt appropriate screws and proper installation methods including board allocation CPU and heat sink installation etc otherwise the board may be damaged It is recommended to use M3x6 GB9074 4 88 screws at H1 H4 ...

Page 11: ...tions of Connectors H2 H3 H4 H1 AUDIO2 AUDIO1 J4 J3 J2 J1 KM1 JP3 JP4 JP5 JP6 JP2 SYSFAN1 CPUFAN1 COM3 COM4 COM6 COM8 COM10 COM9 COM7 COM5 LCDB1 JLCD1 LVDS1 PWR2 PWR1 PWR3 SATA2 SATA1 JP1 JCF1 DIMM1 CF1 FP2 FP3 FP1 IDE1 J5 J6 JCC1 PCI1 LPT1 GPIO1 KM2 U1 ...

Page 12: ...485 COM3 4 RS232 插针第9PIN可选RI 5V 12V USB 2 0 X4 标准 USB 2 0 X4 插针 LPC BUS SPI Flash SATA II X2 1 7 82574L PCI E Port1 F81216D USB CF1 TYPE II D510 DC D410 SC CPU SPI PATA PCI 外接或内接 Connector PS 2键鼠 ALC888 插针 RJ45 8路GPIO CH7036 LVDS 24BIT DVI CH A DDR2 SODIMM1 Tip How to identify the first pin of the jumpers and connectors 1 Observe the letter beside the socket it would be marked with 1 or bold line...

Page 13: ...Pitch 2 0mm Different LCD screens have different voltages the board provides two voltage options 3 3V and 5V Only when the selected LCD screen voltage is in accord with the LCD screen operating voltage in use can the LCD screen operate normally Please set as follows JLCD1 Setup Function 1 2 Short 3 3V Default 2 3 Short 5V 3 JCF1 Select CF Card Operating Voltage Pitch 2 0mm Different CF cards have ...

Page 14: ...OM3 COM4 RI Default VCC5V VCC12V JP5 1 2 3 4 5 6 JP6 1 2 3 4 5 6 Install the System Memory The board is configured with one 200Pin DDRII SO DIMM slot DIMM1 When installing the memory bank please pay attention to the following issues Ø Open the buckles on both sides of the memory slot When installing align the notch of the memory bank with that of the memory slot and gently insert the module into t...

Page 15: ...tion it also provides eight 2x5Pin serial ports Pitch 2 54mm of RS 232 mode The pin definitions are as follows J1 COM1 Pin Signal Name 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI J1 COM2 Pin Signal Name RS 232 RS 485 1 DCD Data 2 RXD Data 3 TXD NC 4 DTR NC 5 GND GND 6 DSR NC 7 RTS NC 8 CTS NC 9 RI NC Note the data transmission direction of COM2 is controlled automatically under RS 485 mod...

Page 16: ...set of 24 bit single channel LVDS connector and one VGA DVI D dual layer connector Marked as J2 on board DVI connector for the upper layer while VGA connector for the lower layer The pin definitions are as follows 1 VGA Connector J2 VGA Pin Signal Name Pin Signal Name 1 Red 2 Green 3 Blue 4 NC 5 GND 6 GND 7 GND 8 GND 9 NC 10 GND 11 NC 12 DDCDATA 13 HSYNC 14 VSYNC 15 DDCCLK ...

Page 17: ... 9 DATA1 21 NC 10 DATA1 22 GND_DVI 11 GND_DVI 23 CLK 12 NC 24 CLK 3 Single channel 24 bit LVDS Connector LVDS1 Pitch 1 0mm Pin Signal Name Pin Signal Name 1 LVDS_D0 2 LVDS_D0 3 GND 4 GND 5 LVDS_D1 6 LVDS_D1 7 GND 8 GND 9 LVDS_D2 10 LVDS_D2 11 GND 12 GND 13 CLK 14 CLK 15 GND 16 GND 17 LVDS_D3 18 LVDS_D3 19 VDD 20 VDD Note The LVDS socket adopted by the board is DF20G 20DP 1V while the corresponding...

Page 18: ...is limited below 1A LCD_BKLTCTL backlight control The signal is output as PWM signal via Pineview D the voltage amplitude is between 0V 3 3V while the duty cycle is between 0 100 LCD_BKLTEN backlight enable active high Audio Connector The board provides one dual layer Audio connector and one 2x5Pin AUDIO pin header AUDIO1 Pin Signal Name 1 LINE_OUT 2 MIC_IN AUDIO2 Pitch 2 0mm Pin Signal Name Pin S...

Page 19: ...t via JP1 The relevant jumper is provided on the hard disk to set it to Master device or slave device Ø If the CF card connector is not occupied the IDE connector can connect with two IDE devices The way of connection is to connect the Master device to the end of the cable while connect the Slave device to the middle of the cable when using an Ultra 66 100 hard disk 80 pin appropriative flat cable...

Page 20: ... as follows SATA1 SATA2 Pin Signal Name 1 GND 2 TX 3 TX 4 GND 5 RX 6 RX 7 GND Hot swap of SATA Hard Disk Notices for hot swap of SATA hard disk 1 The hard disk shall support SATA 2 0 and use 15 pin SATA hard disk power connector 2 The driver of chipset shall support the hot swap of SATA hard disk 3 Hot swap of SATA hard disk with the operating system is forbidden when system is powered on SATA Dat...

Page 21: ...r result in data lost Hot Plug Step 1 Please plug the 1 x 4 pin SATA power connector white into the power adapter Step 2 Please connect the SATA data cable to the SATA connector on board Step 3 Please connect the 15 pin SATA power connector black to the SATA hard disk Step 4 Please connect the SATA data cable to the SATA hard disk ...

Page 22: ...the SATA 15 pin power connector black from the SATA hard disk KM Connector The board provides one standard PS 2 KM combined connector and one KM pin header Pitch 2 0mm KM1 Pin Signal Name Pin Signal Name 1 KB_DATA 7 MS_DATA 2 NC 8 NC 3 GND 9 GND 4 5V 10 5V 5 KB_CLK 11 MS_CLK 6 NC 12 NC KM2 Pin Signal Name Pin Signal Name 1 KB_DATA 2 MS_DATA 3 KB_CLK 4 MS_CLK 5 GND 6 GND 7 5V 8 5V ...

Page 23: ...r USB devices LAN Port The board provides two 10 100 1000Mbps Ethernet connectors ACTLED and LILED are the LED indicators beside the Ethernet port which respectively indicates the activity status and the transmission status of LAN Please refer to the status description for each LED J3 LAN1 J4 LAN2 ACTLED Green LAN Activity Status Indicator LILED Dual Color O G LAN Speed Indicator Green 1000Mbps Bl...

Page 24: ...7 GND 8 GND 9 NA 10 GND Parallel Port The board provides one 2x13Pin parallel port Pitch 2 0mm LPT1 Pin Signal Name Pin Signal Name 1 STB 2 AFD 3 PD0 4 ERR 5 PD1 6 INIT 7 PD2 8 SLIN 9 PD3 10 GND 11 PD4 12 GND 13 PD5 14 GND 15 PD6 16 GND 17 PD7 18 GND 19 ACK 20 GND 21 BUSY 22 GND 23 PE 24 GND 25 SLCT 26 NC GPIO Connector The board provides one 2x5Pin GPIO pin header Pitch 2 0mm ...

Page 25: ...pplication the factory default value is that Pin 1 3 5 and 7 are for input while Pin 2 4 6 and 8 are for output Power Connector 1 AT Power Connector 12V Single Power Connector Pitch 4 2mm PWR2 Pin Signal Name 1 GND 2 GND 3 12V 4 12V 2 ATX Power Connector Pitch 4 2mm PWR1 Pin Signal Name Pin Signal Name 1 3 3V 11 3 3V 2 3 3V 12 12V 3 GND 13 GND 4 5V 14 PS_ON 5 GND 15 GND 6 5V 16 GND 7 GND 17 GND 8 ...

Page 26: ... 2 54mm FP1 Pin Signal Name Pin Signal Name 1 PWRBTN 2 GND 3 GND 4 RESET 5 HDD_LED 6 HDD_LED 2 Power Indicator Connector Pitch 2 54mm FP2 Pin Signal Name 1 PWR_LED 2 NC 3 GND 3 Loudspeaker Output Connector Pitch 2 54mm FP3 Pin Signal Name 1 SPEAKER 2 NC 3 GND 4 5V Fan Connector The board provides two 1x3Pin fan connectors Pitch 2 54mm CPUFAN1 SYSFAN1 Pin Signal Name 1 GND 2 12V 3 FAN_IO FAN_IO fan...

Page 27: ...7 D11 3 D4 28 D12 4 D5 29 D13 5 D6 30 D14 6 D7 31 D15 7 CS0 32 CS1 8 GND 33 VS1 9 ATASEL 34 IOR 10 GND 35 IOW 11 GND 36 WE 12 GND 37 IRQ 13 VCC 38 VCC 14 GND 39 CSEL 15 GND 40 VS2 16 GND 41 RESET 17 GND 42 IORDY 18 A2 43 DREQ 19 A1 44 DACK 20 A0 45 DASP 21 D0 46 ATA66_DET 22 D1 47 D8 23 D2 48 D9 24 WP IOCS16 49 D10 25 CD2 50 GND ...

Page 28: ...ND B12 GND B42 PCI_SERR A13 GND A43 PCI_PAR B13 GND B43 3 3V A14 3 3Vaux A44 PCI_AD15 B14 Null B44 PCI_C BE 1 A15 PCI_RST A45 3 3V B15 GND B45 PCI_AD14 A16 5V A46 PCI_AD13 B16 PCI_CLK B46 GND A17 PCI_GNT A47 PCI_AD11 B17 GND B47 PCI_AD12 A18 GND A48 GND B18 PCI_REQ B48 PCI_AD10 A19 PCI_PME A49 PCI_AD9 B19 5V B49 GND A20 PCI_AD30 A50 PCI_C BE 0 B20 PCI_AD31 B50 PCI_AD8 A21 3 3V A51 3 3V B21 PCI_AD2...

Page 29: ... mode as shown in the figure below 2 After installing the operating system for the first time the DVI driver program is required please install according to the enclosed CD The driver can only be used to set the DVI display function Users may choose 18 bit 24 bit LVDS output according to the connected LVDS screen Please refer to Readme txt for detailed driver program setting The following interfac...

Page 30: ...llation EC7 1813CLD2NA SERIES 25 3 Set the resolution for DVI After the motherboard reads the resolution supported by the display the resolution supported by the display will be shown Please refer to the figure below ...

Page 31: ...I display function is realized via CH7036A which shall abide by the following suggestions 1 The output resolution for DVI shall be no less than that of the LVDS set in the BIOS menu if the output resolution for DVI is less than that of the LVDS the fonts displayed under certain frequency might be blurred 2 If the background color is set to pale blue then erect stripes might appear under certain fr...

Page 32: ...Inadequate even incorrect BIOS parameter setting will decrease the system operating capability and make the system unstable or even unable to operate normally BIOS Parameter Setup Prompt message for BIOS setting may appear once the system is powered on At that time invalid at other time press the key specified in the prompt message usually Del to enter BIOS setting When the BIOS setting in CMOS is...

Page 33: ...d 1666MHz Cores 2 System Memory Size 1015MB System Time 00 47 55 System Date Mon 01 11 2010 V02 57 c Copyright 1985 2004 American Megatrends Inc u Main Ø System Time Choose this option and set the current time by which is displayed in the format of hour minute second Reasonable range for each option is Hour 00 23 Minute 00 59 Second 00 59 Ø System Date Choose this option and set the current date b...

Page 34: ... Configuration USB Configuration Power Management Configuration Clock Generator Configuration V02 57 c Copyright 1985 2004 American Megatrends Inc Ø CPU Configuration BIOS SETUP UTILITY Configure advanced CPU settings Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit Brand String Intel R Atom TM CPU K510 1 66GHz Frequency 1 66GHz FSB Speed 667MHz Ca...

Page 35: ...E Primary IDE Master Not Detected Primary IDE Slave Not Detected Secondary IDE Master Not Detected Secondary IDE Slave Not Detected Third IDE Master Not Detected Third IDE Slave Not Detected V02 57 c Copyright 1985 2004 American Megatrends Inc l ATA IDE Configuration This option is used to configure the operating mode for ATA there are two options Enhanced and Compatible l Configure SATA as SATA c...

Page 36: ...ltaneous transfer or not PIO Mode Used for PIO mode setting DMA Mode Used for DMA mode setting S M A R T Used to set whether to enable S M A R T function and it is only available for the hard disk supporting this function 32Bit Data Transfer This option is used to enable the 32 bit hard disk accessing mode which could optimize hard disk read and write speed l AHCI Port0 2 AHCI configuration menu w...

Page 37: ...rt2 Address 2F8 Serial Port2 IRQ 4 Serial Port3 Address 3E8 Serial Port3 IRQ 3 Serial Port4 Address 2E8 Serial Port4 IRQ 3 Serial Port5 Address 2F0 Serial Port5 IRQ 10 Serial Port6 Address 2E0 Serial Port6 IRQ 10 Serial Port7 Address 200 Serial Port7 IRQ 11 Serial Port8 Address 208 Serial Port8 IRQ 11 Serial Port9 Address 210 Serial Port9 IRQ 11 Serial Port10 Address 218 Serial Port10 IRQ 11 Paral...

Page 38: ...erboard n 1 10 l Serial Port n IRQ Set the IRQs of the serial port n on motherboard n 1 10 l Parallel Port Address Set the addresses of the parallel port on motherboard the default value is 378 l Parallel Port Mode Set the modes for the parallel port on motherboard l Parallel Port IRQ Set the IRQs of the parallel port on motherboard l Uart IRQ Attribute Set the IRQ attribute for COM 7 10 ...

Page 39: ...erature 30 86 CPU Temperature 37 98 SYSFAN1 CPUFAN1 Vcore 1 136 V V3 3 3 296 V V5 0 5 094 V V12 0 12 196 V VBAT 3 152 V V02 57 c Copyright 1985 2004 American Megatrends Inc l System Temperature Current system temperature it is monitored by thermal resistor on motherboard l CPU Temperature Current CPU temperature it is monitored by temperature sensors on motherboard l Vcore CPU core voltage l V3 3 ...

Page 40: ...tion This option sets the amount of USB controller that is to confirm how many USB controllers are supported One controller usually supports two USB ports l USB 2 0 Controller This option is used to select whether to support USB 2 0 controller l Legacy USB Support This option is used to support legacy USB devices such as keyboard mouse and storage devices etc when this option is set to Enabled the...

Page 41: ...This option is used to enable or disable APIC under ACPI OS l Restore on AC Power Loss This option could set the system status when the computer is re electrified after powered off under AC Power Off is to make the system at power off status Power On is to power on the system automatically Last State is to recover the status before powering off l Resume on RTC Alarm This option is used to enable o...

Page 42: ...ave and Exit ESC Exit Spread Spectrum Enabled Auto PCI Clock Enabled V02 57 c Copyright 1985 2004 American Megatrends Inc l Spread Spectrum This option is used to control the spread spectrum function of the clock signal l Auto PCI Clock This option is used to detect the devices on PCI slot automatically If there are no devices in the slot please disable the clock signal on that slot ...

Page 43: ...ation PXE Boot Disabled Onboard Audio Controller Enabled V02 57 c Copyright 1985 2004 American Megatrends Inc Ø DRAM Frequency Configure the frequency for DRAM it is recommended to use automatic modification instead of manual modification otherwise it will not be able to power on because it is not supported by DRAM Ø Configure DRAM Timing by SPD BIOS configures the time sequence of the SDRAM accor...

Page 44: ...oard Audio Controller Select whether to enable the audio card controller u PCIPnP BIOS SETUP UTILITY Advanced PCI PnP Settings Select Screen Select Item Change Field F1 General Help F10 Save and Exit ESC Exit WARNING Setting wrong values in below sections may cause system to malfunction IRQ3 Available IRQ4 Available IRQ5 Available IRQ7 Available IRQ9 Available IRQ10 Available IRQ11 Available IRQ14...

Page 45: ...Device USB aigo USB DISK V02 57 c Copyright 1985 2004 American Megatrends Inc Ø Quick Boot During BIOS booting period configure whether to permit skipping certain test to reduce BIOS booting time Ø Quiet Boot Configure whether to display the content of OEM LOGO Ø Wait For F1 If Error Configure whether to prompt pressing F1 during system error Ø Boot from Embedded WinCE Configure to boot from WinCE...

Page 46: ...rican Megatrends Inc Ø Change User Supervisor Password After pressing Change User Supervisor Password and input new password in the dialog box this column will indicate that user s password has been installed u Exit South Bridge Configuration Exit Options Exit system setup after saving the changes Select Screen Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit Save Chan...

Page 47: ...iscard Changes If error occurs in your change and the changes need to be neglected please choose this option and press Enter in order to enter corresponding options again and reset it Ø Load Optimal Defaults This menu is used to input default value in system configuration These default values are optimized and could give play to the high capability of all hardware Ø Load Failsafe Defaults The func...

Page 48: ...t controller Most motherboards above P4 level support APIC and provide more than 16 interrupt sources like IRQ16 IRQ23 while some others can have up to 28 interrupt sources such as motherboard supporting PCI X However relevant OS are required to enable that function and currently only the OS above Windows 2000 could support that function u IO Port Address There is 64K for the system I O address sp...

Page 49: ...ogrammable Interrupt Controller 2 0C0h 0DFh DMA Controller 2 0F0h 0FFh Numeric Data Processor 1F0h 1F7h Primary IDE Channel 200h 207h COM7 208h 20Fh COM8 210h 217h COM9 218h 21Fh COM10 274h 279h A79h PnP Configuration Register 2E0h 2E7h COM6 2E8h 2EFh COM4 2F0h 2F7h COM5 2F8h 2FFh COM2 378h 37Fh LPT1 3B0h 2BBh Intel R Graphics Media Accelerator 3150 3C0h 2DFh Intel R Graphics Media Accelerator 315...

Page 50: ...one interrupt through the distribution of BIOS or OS The diagram below shows parts of the interrupt distribution under X86 platform but it does not show the interrupt source occupied by the PCI devices Level Function IRQ0 System Timer IRQ1 Standard 101 102 Key or Microsoft Keyboard IRQ2 Programmable Interrupt Controller IRQ3 COM 3 4 IRQ4 COM 1 2 IRQ5 Reserved IRQ6 Reserved for FDD controller IRQ7 ...

Page 51: ...Chapter 4 Install the Drivers 46 EC7 1813CLD2NA SERIES Chapter 4 Install the Drivers Regarding the driver program of this product please refer to the accompanying CD ...

Page 52: ...nto Reserved before using The following describes WDT program in C language The steps to program WDT are listed as follows Ø Enter WDT programming mode Ø Set WDT operating mode enable WDT disable WDT 1 Enter WDT Programming Mode define INDEX_PORT 0x2E define DATA_PORT 0x2F outportb INDEX_PORT 0x87 outportb INDEX_PORT 0x01 outportb INDEX_PORT 0x55 outportb INDEX_PORT 0x55 outportb INDEX_PORT 0x07 o...

Page 53: ... outportb INDEX_PORT 0X72 int val inportb DATA_PORT val 0xBF outportb DATA_PORT val 3 Configure WDT to time by minute or second a Time by minute val 0x7f outportb INDEX_PORT 0x72 outportb DATA_PORT val b Time by second val 0x80 outportb INDEX_PORT 0x72 outportb DATA_PORT val 4 Enable disable WDT a Enable WDT outportb INDEX_PORT 0x73 outportb DATA_PORT TIME_OUT_VALUE Please replace the constant TIM...

Page 54: ...igital I O programming Ø Initialize digital I O Ø Input output program 1 Initialize digital I O define BAR 0x400 unsigned char tmp_val outportb BAR 0xbf outportb BAR 0x04 0x40 outportb BAR 0x03 0x03 outportb BAR 0x05 0x0f tmp_val inportb BAR 0x02 0x08 0xeb tmp_val 0x40 outportb BAR 0x02 tmp_val delay 30 tmp_val inportb BAR while tmp_val 0x02 0x02 tmp_val inportb BAR if tmp_val 0x04 0 printf ERROR ...

Page 55: ...x02 0x02 tmp_val inportb BAR if tmp_val 0x04 0 printf ERROR n return 0 2 Input output program a Output Program Functions input int pin Value 1 8 are corresponding with output pin 1 8 int lev_val 1 is to output high level 0 is to output low level Functions Output none void Out_Lev int pin int lev_val unsigned int reg_val outportb BAR 0xbf if pin 5 outportb BAR 0x04 0x40 else ...

Page 56: ...ortb BAR 0x02 0x08 0xeb reg_val 0x40 outportb BAR 0x02 reg_val delay 30 reg_val inportb BAR while reg_val 0x02 0x02 reg_val inportb BAR if reg_val 0x04 0 printf ERROR n return 0 b Input Program Functions Input int pin Value 1 8 are corresponding with the input pin 1 8 Functions Output int lev_val 1 the input pin is high level 0 the input pin is low level int In_Lev int pin unsigned int reg_val int...

Page 57: ... BAR 0x02 0x08 0xeb reg_val 0x40 outportb BAR 0x02 reg_val delay 30 reg_val inportb BAR while reg_val 0x02 0x02 reg_val inportb BAR if reg_val 0x04 0 printf ERROR n return 0 lev_val inportb BAR 0x05 0x01 pin 1 lev_val lev_val 1 0 Get the variable lev_val 1 represents that the input pin is high level while 0 represents the input pin is low level return lev_val ...

Page 58: ... high speed device has been connected with a low speed connector which indicates that the connector on motherboard is regarded as a USB1 1 port Solution enable the USB high speed transmission mode on the motherboard Different motherboards may have different settings Change the FULLSPEED option to HISPEED in USB device option 4 The screen has no display after replacing with a new memory and cannot ...

Page 59: ...o see whether it is normal find out the power type in use AT or ATX find out users requirement for the PCI card voltage Solution if the PCI card functions abnormally replace it with a new one if it functions normally when re inserted or inserted in another PCI slot then there is something wrong between the PCI card and the slot If AT power is adopted and the PCI card requires 3 3V voltage then the...

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