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WMIX-D25503

 

Intel Atom D2550

 

User Manual 

Rev. 01, Jul, 2012

 

 
 
 
 

Summary of Contents for Atom D2550

Page 1: ...WMIX D25503 Intel Atom D2550 User Manual Rev 01 Jul 2012 ...

Page 2: ...ten permission of the publisher All trademarks are the properties of the respective owners All product specifications are subject to change without prior notice WMIX D25503 Driver CD Include user manual 1 x COM Port Cable 1 x SATA Cable 1 x SATA Power Cable 1 x CD Driver Ordering Information Packing List Statement ...

Page 3: ...rial Port 0 Configuration 32 2 10 Serial Port 1 Configuration 33 2 11 Parallel Port Configuration 34 2 12 Pc Health Status 35 2 13 Serial Super IO Configuration 36 2 14 Serial Port Configuration 37 2 15 Chipset 41 2 16 Memory Information 42 2 17 Chipset Configuration 43 2 18 Intel IGD Configuration 44 2 19 PCI Express Root Ports Configuration 46 2 20 USB Mode 47 2 21 PCI Express Ports Configuratio...

Page 4: ...4 3 4 Audio Driver 63 Appendix A Watchdog 64 Appendix B GPIO 66 ...

Page 5: ... Bus 2 M O C S M B K LPT SPI SIO_W83627EHG USB 2 0 x6 SATA x2 COM1 COM3 COM4 COM5 COM6 SPI UART_ F81216DG VGA CH7511B DIO ATOM Processor D2550 HDA_ALC269Q HD Audio LAN_RTL8111E PCIe x1 Mini PCIe Slot PCIe x1 SATA USB 2 0 VRD12 IMVP7 eDP DP LVDS 18 24bit SC DC DMI 2 Lanes for N2xxx Series Block Diagram ...

Page 6: ...hipset Intel D2550 integrated VRAM Shared with system memory Resolution Analog Display Up to 1920 x 1200 LVDS Resolution Digital LVDS 24Bit LVDS Dual Channel Up to 1920x1200 Dual Display CRT LVDS Ethernet Interface 10 100 1000 Mbps Controller LAN Realtek 8111E Audio Interface High Definition Audio Controller Realtek ALC269 HD CODEC SATA Max Data Transfer Rate 300 MB s Port 2 Expansion Slot Mini PC...

Page 7: ...e out Mic In LVDS 1 VGA 1 FAN 1x CPU FAN 1xSYSTEM FAN MCR 1 SATA 2x SATA Slot SATA Power 2 Rear I O PS 2 1 VGA 1 COM 1xD SUB 9 1xRJ45 DC 12V IN 1 DC 12V Output 1 USB 2 0 4 LAN 1 Parallel 1 Cash Drawer 1 Line out 1 Power DC 12V Input DC 12V Jack DC 12V 4Pin connector DC 12V Output DC 12V Jack Watchdog Timer Interval Programmable 1 255 sec Output Sytstem reset ...

Page 8: ...8 Environment Operating Temp 5 C 60 C 23 F 140 F Storage Temp 20 C 80 C 4 F 175 F Relative Humidity 0 95 non condensing Form Factor Dimension LxW 170mm x 170mm 6 69 x6 69 ...

Page 9: ...GA_COM2 VGA2 JCOM2_SEL JCOM2 JVFD_SEL USB1_COM4 JCOM4 MCR DIO KB_MS CASH_DRAWER AUDIO1 LPT JLPC AUDIO2 SPK_OUT JPWR_SEL COM1 JCOM1 COM6 JCOM6 COM5 JCOM5 COM3 JCOM3 USB3 JFRONT BZ JSPI BAT JCMOS SATA1 SATA_PWR SATA2 SYSFAN U17 RT2 MINI PCIE U4 SO DIMM1 PCB Layout ...

Page 10: ...2 14 19 21 20 22 3 4 9 11 10 12 17 19 18 20 Function RS 232 Default RS 422 Jumper Setting JCOM2_SEL COM2 RS 232 RS 422 RS 485 Select 2 3 Pin No 1 2 9 11 10 12 23 24 15 16 Function RS 485 RS 422 RX 100Ω Termination Jumper Setting Jumper Setting 6 4 2 5 3 1 6 4 2 5 3 1 6 4 2 5 3 1 6 4 2 5 3 1 6 4 2 5 3 1 6 4 2 5 3 1 23 1 24 2 23 1 24 2 23 1 24 2 23 1 24 2 23 1 24 2 23 1 24 2 23 1 24 2 23 1 24 2 ...

Page 11: ...e Not recommended for RS 422 TX 100Ω termination JCMOS CMOS Clear Pin No 1 2 2 3 Function Normal Operation Default Clear CMOS Contents Jumper Setting JLVDS LCD Power 3 3V 5V Select Pin No 1 2 2 3 Function LCD Power 3 3V Default LCD Power 5V Jumper Setting 3 2 1 3 2 1 3 2 1 3 2 1 23 1 24 2 23 1 24 2 3 2 1 3 2 1 3 2 1 3 2 1 ...

Page 12: ... 7 8 0100 1 3 5 7 2 4 6 8 1024 768 24bit Single Channel 5 6 7 8 1100 1 3 5 7 2 4 6 8 1280 768 18bit Single Channel 1 2 3 4 7 8 0010 1 3 5 7 2 4 6 8 1280 800 18bit Single Channel 3 4 7 8 1010 1 3 5 7 2 4 6 8 1280 960 18bit Single Channel 1 2 7 8 0110 1 3 5 7 2 4 6 8 1280 1024 24bit Dual Channel 7 8 1110 1 3 5 7 2 4 6 8 1366 768 18bit Single Channel 1 2 3 4 5 6 0001 1 3 5 7 2 4 6 8 1366 768 24bit Si...

Page 13: ...600 900 24bit Dual Channel 1 2 3 4 0011 1 3 5 7 2 4 6 8 1680 1050 24bit Dual Channel 3 4 1011 1 3 5 7 2 4 6 8 1600 1200 24bit Dual Channel 1 2 0111 1 3 5 7 2 4 6 8 1920 1080 24bit Dual Channel NC 1111 1 3 5 7 2 4 6 8 1920 1200 24bit Dual Channel JPWR_SEL AT ATX Mode Select Pin No 1 2 2 3 Function AT Mode ATX Mode Default Jumper Setting 3 2 1 3 2 1 3 2 1 3 2 1 ...

Page 14: ...14 JVFD_SEL COM4 of RS232 or VFD Select Pin No 1 3 2 4 1 2 3 5 4 6 Function RS232 Mode Default VFD Mode Jumper Setting 1 3 5 2 4 6 1 3 5 2 4 6 1 3 5 2 4 6 ...

Page 15: ...anel 24bit connector LPT Parallel Port with Dsub MCR MCR with Box header MINI PCIE Mini PCI Express connector PWR1 DC Power Jack 4Pin connector PWR2 ATX 2x2Pin Power connector SATA1 SATA7Pin connector SATA2 SATA7Pin Power15Pin connector SATA_PWR SATA Power with Box header SO DIMM1 DDR3 SO DIMM connector JSPI Reserved for debug SPK_OUT Speaker out with Box header SYSFAN System FAN connector USB1_CO...

Page 16: ... Line in with with Box header 2 0mm 1 2 7 8 Pin No Signal Pin No Signal 1 MIC In L 2 Line in L 3 MIC Jack detect 4 Line in Jack detect 5 Audio Ground 6 Audio Ground 7 MIC In R 8 Line in R CASH_DRAWER Digital IO with RJ 11 6P6C connector 1 2 5 6 Pin No Signal 1 Ground 2 DIO_Out1 bit1 3 12V 4 DIO_IN0 bit4 5 DIO_Out0 bit0 6 Ground Internal Connector Pin Define ...

Page 17: ...CTS 5V 12V L6 DSR L3 Ground L7 TXD L4 RTS Ground L8 RXD COM1 3 5 6 Serial Port with Box header 2 0mm 1 2 9 10 Pin No Signal Pin No Signal 1 DCD 2 DSR 3 RXD 4 RTS 5 TXD 6 CTS 7 DTR 8 10 RI 5V 12V 9 Ground CPUFAN 4Pin FAN connector 1 4 Pin No Signal 1 Ground 2 Fan Power 12V 3 Speed Sense 4 Control INV Inverter with Box header 2 50mm 1 5 Pin No Signal 1 12V 2 12V 3 Ground 4 Inverter Backlight Control...

Page 18: ...LED 3 PWR_SW 4 Ground Power ON Button Pin2 5 Sus LED 6 5VSB 470 Ohm Sus LED 7 HDD LED 8 HDD LED 9 RESET 10 Ground KB_MS PS2 Keyboard and PS2 Mouse connector PS2 Y cable P1 P2 P3 P4 P6 P5 Pin No Signal 1 PS2 Keyboard Data 2 PS2 Mouse Data 3 PS2 Ground 4 PS2 Power 5V 5 PS2 Keyboard Clock 6 PS2 Mouse Clock ...

Page 19: ...CLKP 22 LB_CLKN 23 LB_DC3P 24 LB_DC3N 25 Ground 26 Ground 27 LVDS Power 28 LVDS Power 29 LVDS Power 30 LVDS Power Note1 LVDS Power 5V or 3 3V Default LPT Parallel Port with D sub 25Pin 1 14 13 25 Pin No Signal Pin No Signal 1 Strobe 14 Auto Form Feed 2 Data 0 15 Error 3 Data 1 16 Initialization 4 Data 2 17 Printer Select IN 5 Data 3 18 Ground 6 Data 4 19 Ground 7 Data 5 20 Ground 8 Data 6 21 Groun...

Page 20: ...use MCR need short Pin2 to Pin3 and Pin4 to Pin5 to enable PS2 Keyboard PWR1 DC 2x2 12V Input 1 2 3 4 Pin No Signal Pin No Signal 1 Ground 2 12V 3 Ground 4 12V PWR2 ATX 2x2 12V Input 1 2 3 4 Pin No Signal Pin No Signal 1 Ground 2 Ground 3 12V 4 12V SATA_PWR SATA Power with Box header 2 50mm 1 4 Pin N Signal 1 5V 2 Ground 3 Ground 4 12V ...

Page 21: ...er 12V 3 Speed Sense USB3 USB3 4 Port with Pin header 2 54mm 1 2 10 7 Pin No Signal Pin No Signal 1 USB Power 5V 2 USB Power 5V 3 USB DATA4N 4 USB DATA5N 5 USB DATA4P 6 USB DATA5P 7 USB Ground 8 USB Ground 9 NC 10 Shield Ground VGA2 VGA with Box header 2 0mm 1 2 1 9 10 Pin No Signal Pin No Signal 1 VGA_RED 2 VGA_DDC_DATA 3 VGA_GREEN 4 VGA_DDC_CLK 5 VGA_BLUE 6 Ground 7 VGA_ HSYNC 8 Ground 9 VGA_ VS...

Page 22: ...22 DIO DIO IN3 bit3 1 2 Pin No Signal 1 DIO_IN3 bit3 2 GND ...

Page 23: ...t Boot Security Save Exit BIOS Information BIOS Vendor American Megatrends Core Version 4 6 5 1 Compliancy UEFI 2 3 PI 1 2 Project Version 1APJK 0 14 Model Name DEMX D2550W Revision RA02 BuildDateandTime 07 20 201216 59 55 System Language English System Date Fri 07 20 2012 System Time 18 08 08 Access Level Administrator Choose the system default language Enter Select Change Opt F1 General Help F2 ...

Page 24: ...er Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item PCI Subsystem Settings ACPI Settings CPU Configuration IDE Configuration USB Configuration Super IO Configuration H W Monitor Second Super IO Configuration Version 2 14 1219 Copyright 2011 American Megatrends Inc Onboard PXE OpROM Choices Disabled Enabled Wake On P...

Page 25: ...ible specifies what PCI Option ROM to launch Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc PCI ROM Priority In case of multiple optional ROMs Legacy and EFI Compatible specifies what PCI option ROM to launch PCI Latency Timer Choices 32 PCI 64 PCI 96 ...

Page 26: ...tate the system will enter when the SUSPEND button is pressed Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc ACPI Sleep State Select the highest ACPI sleep state the system will enter when SUSPEND button is pressed S3 Video Repost Choices Disabled Enab...

Page 27: ...n Processor Type Intel R Atom TM CPU EMT64 Not Supported Processor Speed 1865 MHz System Bus Speed 533 MHz Ratio Status 14 Actual Ratio 14 System Bus Speed 533 MHz Processor Stepping 30661 Microcode Revision 265 L1 Cache RAM 2x56 K L2 Cache RAM 2x512 K Processor Core Dual Hyper Threading Supported Hyper Threading Enabled Execute Disabled Bit Enabled Limit CPUID Maximum Disabled Version 2 14 1219 C...

Page 28: ...TA as IDE Misc Configuration for hard disk SATA Ports 0 3 Device Names if Present and Enabled Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial ATA Controller s Choices Disabled Enabled Configure SATA as Choices IDE AHCI ...

Page 29: ...ns Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Legacy USB Support Set Enabled if you need to use any USB 1 1 2 0 devices in the operating system that does not support or have any USB 1 1 2 0 drivers installed Such as DOS and SCO Unix EHCI Hand off T...

Page 30: ...30 Device power up delay This setting determines the maximum time for USB device will take before reporting to the controller ...

Page 31: ... Port 0 Configuration Serial Port 1 Configuration Parallel Port Configuration Watch Dog Timer Disable CPU smart fan control Disabled System smart fan control Disabled Version 2 14 1219 Copyright 2011 American Megatrends Inc Watch Dog Timer This option will determine watch dog timer CPU smart fan control This option allows user to enable disable the control of CPU fan speed by changing the fan volt...

Page 32: ... Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port Use this option to enable or disable the serial port Device Settings Use this option to show the serial port IO port address and interrupt address Change Settings Use this option to change the seria...

Page 33: ... Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port Use this option to enable or disable the serial port Device Settings Use this option to change the devioce address and interrupt address Change Settings Use this option to change the serial po...

Page 34: ...ode Enable or Disable Parallel Port LPT LPTE Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Parallel Port Use this option to enable or disable the parallel port Change Settings Use this option to change the serial port IO port address and interrupt add...

Page 35: ...re 36 C CPU FAN Speed 8035 RPM System FAN Speed N A CPUVCORE 1 21 V 12 V 11 77 V 1 5 V 1 54 V 5 V 5 07 V 3 3 V 3 34 V VBAT V 3 20 V 3 3VSB V 3 36 V Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc ...

Page 36: ...t Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Serial Port 1 Configuration Serial Port 2 Configuration Serial Port 3 Configuration Serial Port 4 Configuration Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port 1 Configuration Serial Port 2 Configuration Serial Port 3 Configuration Serial Port 4 Config...

Page 37: ...h IRQ 5 Enable or Disable Serial Port COM Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port Use this option to enable or disable the serial port Change Settings Use this option to change the serial port IO port address and interrupt address ...

Page 38: ... IRQ 5 Enable or Disable Serial Port COM Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port Use this option to enable or disable the serial port Change Settings Use this option to change the serial port IO port address and interrupt address ...

Page 39: ... IRQ 5 Enable or Disable Serial Port COM Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port Use this option to enable or disable the serial port Change Settings Use this option to change the serial port IO port address and interrupt address ...

Page 40: ... IRQ 5 Enable or Disable Serial Port COM Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Advanced Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Serial Port Use this option to enable or disable the serial port Change Settings Use this option to change the serial port IO port address and interrupt address ...

Page 41: ...ues F3 Optimized Defaults F4 Save Exit ESC Exit Select Screen Select Item Host Bridge South Bridge Aptio Setup Utility Copyright C 2011 American Megatrends Inc Main Advanced Chipset Boot Security Save Exit Chipset Version 2 14 1219 Copyright 2011 American Megatrends Inc Host Bridge South Bridge ...

Page 42: ... Screen Select Item Memory Frequency and Timing Intel IGD Configuration Memory Information Memory Frequency 1067MHz DDR3 Total Memory 4096 DIMM 0 Not Present Aptio Setup Utility Copyright C 2011 American Megatrends Inc Main Advanced Chipset Boot Security Save Exit Chipset Version 2 14 1219 Copyright 2011 American Megatrends Inc Memory Frequency and Timing Intel IGD Configuration ...

Page 43: ... Max TOLUD Dynamic Enable or disable MRC fast boot Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Chipset Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc MRC Fast Boot Choices Disabled Enabled Max TOLUD This item allows you to select the size of TOLUD ...

Page 44: ... GFX detected Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Chipset Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Auto Disable IGD Choices Disabled Enabled IGFX Boot Type It is the option to select device by the system when it boots Backlight Active Mode Choices PWN Mode DC Mode Backlight Voltage Lev Choi...

Page 45: ...45 Fixed Graphics Memory It is used by the Internal graphics device ...

Page 46: ...High Precision Timer Enabled Enable Disable Intel R IO Controller Hub TPT devices Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Chipset Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc PCI Express Root Port0 PCI Express Root Port1 High Precision Event Timer Configuration High Precision Timer Choices Disabled...

Page 47: ... Enabled SMBus Controller Enabled Azalia Controller Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Chipset Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc Select USB Mode Select USB mode by controllers UHCI 1 Choices Disabled Enabled UHCI 2 Choices Disabled Enabled UHCI 3 Choices Disabled Enabled UHCI 4 Choi...

Page 48: ...48 SMBus Controller Choices Disabled Enabled ...

Page 49: ...Port 0 IOxAPIC Disabled Enable Disable PCI Express Root Port 0 Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Chipset Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc PCI Express Port0 Choices Disabled Enabled Port0 Choices Disabled Enabled ...

Page 50: ...e Disable PCI Express Root Port 1 Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Chipset Select Screen Select Item Version 2 14 1219 Copyright 2011 American Megatrends Inc PCI Express Port1 PCI Express function is set automatically Port0 Choices Disabled Enabled ...

Page 51: ... Copyright C 2011 American Megatrends Inc Main Advanced Chipset Boot Security Save Exit Boot 1 Version 2 14 1219 Copyright 2011 American Megatrends Inc Setup Prompt Timeout This setting is to remind when the system is waiting for setup activation key Bootup NumLock State This setting is to set Num Lock status when the system is powered on Setting to On will turn on the Num Lock key when the system...

Page 52: ...52 Interrupt 19 Capture Enable Allow option ROMs to trap into 19 Choices Disabled Enabled CSM Support Enable Set mode for option CSM Choices Disabled Enabled ...

Page 53: ...p the User will have Administrator rights The password length must be in the following range Minimum length 3 Maximum length 20 Administrator Password User Password Set Administrator Password Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Select Screen Select Item Aptio Setup Utility Copyright C 2011 American Megatrends Inc Main Advanced Chip...

Page 54: ...User Defaults Restore User Defaults Boot Override Exit system setup after saving the changes Enter Select Change Opt F1 General Help F2 Previous Values F3 Optimized Defaults F4 Save Exit ESC Exit Select Screen Select Item Aptio Setup Utility Copyright C 2011 American Megatrends Inc Main Advanced Chipset Boot Security Save Exit Save Exit Version 2 14 1219 Copyright 2011 American Megatrends Inc ...

Page 55: ...OM drive the install menu will appear automatically if the install menu did not list suitable driver of Operate System or did not appear automatically please select corresponding driver of utility CD to install The Windows XP driver installation steps are as below 3 1 Intel Chipset Device Software Step 1 Click Next to continue ...

Page 56: ...56 Step 2 Read the License Agreement and click Yes to continue Step 3 Click Next to continue ...

Page 57: ...57 Step 4 Click Next to continue Step 5 Click Finish to complete setup ...

Page 58: ...58 3 2 Intel Graphic Media Accelerator Driver Step 1 Click Next to continue Step 2 Click No to continue ...

Page 59: ...59 Step 3 Click Next to continue Step 4 Click Next to continue ...

Page 60: ...60 Step 5 Click Finish to complete setup ...

Page 61: ...61 3 3 LAN Driver Step 1 Click Next to continue Step 2 Click Install to continue ...

Page 62: ...62 Step 3 Click Finish to complete setup ...

Page 63: ...63 3 4 Audio Driver Step 1 Click Next to continue Step 2 Click Finish to complete setup ...

Page 64: ...em runs into troubles The related Control Registers of WDT are all included in the following sample program that is written in C language User can fill a non zero value into the Time out Value Register to enable refresh WDT System will be reset after the Time out Value to be counted down to zero Or user can directly fill a zero value into Time out Value Register to disable WDT immediately To ensur...

Page 65: ...tp 0x002E 0xF7 outp 0x002F inp 0x2F 0xEF Select Count Mode Second Minute outp 0x002E 0xF5 outp 0x002F inp 0x002F 0xF7 Count mode Register 0x08 Set Time out Value outp 0x002E 0xF6 outp 0x002F Time out Value Register Exit Extended Function Mode outp 0x002E 0xAA Definitions of Variables Value of Count mode Register 1 0x00 Count down in seconds Bit3 0 2 0x08 Count down in minutes Bit3 1 Value of Time ...

Page 66: ... GPIO please refer to Winbond W83627EHF data sheet The related Control Registers of GPIO are all included in the following sample program that is written in C language To ensure a successful accessing to the content of desired Control Register the sequence of following program codes should be step by step run again when each register is accessed There are two PnP I O port addresses that can be use...

Page 67: ...I O Selection Register 0xC3 Access GPIO ports outp 0x002E 0xF1 outp 0x002F inp 0x002F 0x3C Output Data 0xC3 or Input Data inp 0x002F Exit Extended Function Mode outp 0x002E 0xAA Definitions of Variables Each bit in the lower nibble of each Register represents the setting of a GPIO port Super IO Pin Bit GPIO DIO 128 0 GPIO DIO Out0 127 1 GPIO DIO Out1 126 2 GPIO DIO In0 125 3 GPIO DIO In1 124 4 GPI...

Page 68: ...it can be read written If a port is assigned to be an input port then its respective bit can be read only Note DIO_IN0 DIO_IN1 DIO_IN2 DIO_IN3 is programmed as Inputs by BIOS default Parameter Conditions VinH min 1 857V VinL max 0 525V Rated Vin 8V 12V NC Status High by Default Attention If DIO_IN0 DIO_IN1 DIO_IN2 DIO_IN3 is programmed as Output signal they can only offer a normal signal transfer ...

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