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INSTALLATIONS

VTC820 User’s Manual

J5, J6: COM1 and COM2 Serial Ports Connector

J5 and J6 both 10-pin headers, are the onboard serial port connectors.

Pin #

Signal Name

RS-232

RS-422

RS-485

DCD

TX-

DATA-

TX+

DATA+

RX+

DTR

RX-

GND

DSR

RTS-

RTS

RTS+

CTS

CTS+

CTS-

Fixed as

RS-232

Configurable

as RS-232/ RS-

422/485 with

jumpers

JP2/JP3/JP4

J7, J13: LVDS Connectors (2nd channel, 1st channel)

The LVDS connectors are composed of the first channel (J13) and second
channel (J7) to support 24-bit or 48-bit.

Signal Name

Pin #

Signal Name

TX0-

TX0+

Ground

TX1-

TX1+

5V/3.3V

Ground

TX3-

TX3+

TX2-

TX2+

Ground

TXC-

TXC+

5V/3.3V

ENABKL

+12V

Summary of Contents for VTC820

Page 1: ...VTC820 Full Size Socket 478 Pentium 4 Intel 845G CPU Card U S E R S M A N U A L Version 1 0 ...

Page 2: ...f International Business Machines Corporation Intel and Pentium 4 are registered trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corporation Winbond is a registered trademark of Winbond Electronics Corporation All other product names or trademarks are properties of their respective owners ...

Page 3: ...nstallations 5 Installing the CPU 6 ATX Power Installation 7 MicroPCI Daughter Card Installation 7 Installing the Memory 8 Setting the Jumpers 9 Connectors on VTC820 14 Watchdog Timer 26 BIOS Setup 錯誤尚未定義書籤 Drivers Installation 錯誤尚未定義書籤 Appendix 錯誤尚未定義書籤 A I O Port Address Map 錯誤尚未定義書籤 B Interrupt Request Lines IRQ 錯誤尚未定義書籤 ...

Page 4: ...iv VTC820 User s Manual This page is intentionally left blank ...

Page 5: ...abilities The system memory size can be up to 2 GB using the two DDR sockets on board Six USB ports are supported with the USB 1 1 2 0 standard VTC820 optionally supports the ATI Mobility M7 graphics controller with 16MB or 32MB embedded memory Interface supported are LVDS TMDS and dual CRT The VGA functionality offers unprecedented video quality and integrated MPEG 2 decode capability VTC820 also...

Page 6: ...on Connector 2 Serial Port Ribbon Cable and 1 Parallel Port Attached to a Mounting Bracket 1 Y Cable supporting a PS 2 Keyboard and a PS 2 Mouse 1 CD containing the following Chipset Drivers Flash Memory Utility Optional audio cable with bracket Audio8K Optional USB cable with bracket USB2K Optional Secondary CRT VGA cable with bracket VGA4K Optional TMDS CRT cable with bracket ID120P ...

Page 7: ...or 3 thermal inputs 6 voltage monitor inputs VID0 4 3 fan headers IDE Interface Built in ICH4 Two enhanced IDE supports 4 IDE devices including UDMA33 66 100 PIO mode 4 and bus master FDD Interface Supports up to two floppy disk drives 3 5 and or 5 25 drives 3 Mode support Parallel Port One parallel port supports SPP EPP ECP Serial Ports One RS 232 422 485 and one RS 232 port Watchdog Timer Genera...

Page 8: ...INTRODUCTION 4 VTC820 User s Manual Board Dimensions ...

Page 9: ...on how to use the jumpers and connectors on the VTC820 in order to set up a workable system The topics covered are Installing the CPU 6 ATX Power Installation 7 MicroPCI Daughter Card Installation 7 Installing the Memory 8 Setting the Jumpers 9 Connectors on VTC820 14 Watchdog Timer 26 ...

Page 10: ...ssor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has slide into the socket return the lever to the lock position Refer to the figures below After you have installed the processor into the socket check if the jumpers for the CPU type and speed are correct NOTE Ensure that the CPU heat sink and the CPU to...

Page 11: ... is to be connected to the ATX power supply MicroPCI Daughter Card Installation To insert the MicroPCI daughter cards position it at 30 to the PCB and gently push it into the MicroPCI connector See Figure 1 below The card will not fit when inserted at an angle of 45 or 15 Once inserted slowly press the card towards the PCB until it locks on both sides to the clips of the connector Screw the card t...

Page 12: ...ensity 64 Mbit 128Mbit 256Mbit 512Mbit Device Width X8 X16 X8 X16 X8 X16 X8 X16 Single Double SS DS SS DS SS DS SS DS SS DS SS DS SS DS SS DS 184 pin DDR 64 128MB 32MB NA 128 256MB 64MB NA 256 512MB 128MB NA 512 1024M 256MB NA Installing and Removing Memory Modules To install the DDR modules locate the memory slot on the CPU card and perform the following steps 1 Hold the DDR module so that the ke...

Page 13: ...t configuration for your needs The following lists the connectors on VTC820 and their respective functions Jumper Locations on VTC820 10 Configuring the CPU Frequency 11 JP16 CPU Front Side Bus Select 11 JP2 JP3 JP4 RS232 422 485 COM2 Selection 11 JP5 DiskOnChip Address Select 11 JP6 Clear CMOS Contents 12 JP8 JP9 JP10 JP11 JP12 CRT VGA Signal Select 12 JP13 Gigabit LAN Enable Disable 12 SW1 LVDS ...

Page 14: ...INSTALLATIONS 10 VTC820 User s Manual Jumper Locations on VTC820 ...

Page 15: ...JP16 Front Side Bus Auto Default 100Mhz 133Mhz JP2 JP3 JP4 RS232 422 485 COM2 Selection COM1 is fixed for RS 232 use only COM2 is selectable for RS232 RS 422 and RS 485 The following table describes the jumper settings for COM2 selection COM2 Function RS 232 RS 422 RS 485 Jumper Setting pin closed JP2 1 2 JP3 3 5 4 6 JP4 3 5 4 6 JP2 3 4 JP3 1 3 2 4 JP4 1 3 2 4 JP2 5 6 JP3 1 3 2 4 JP4 1 3 2 4 JP5 D...

Page 16: ...n 1 2 Short Closed Normal Pin 2 3 Short Closed Clear CMOS JP8 JP9 JP10 JP11 JP12 CRT VGA Signal Select Use JP8 JP9 JP10 JP11 and JP12 to select the CRT VGA signal either from the on board VGA or from an optional MicroPCI VGA JP8 9 10 11 12 Function On Board VGA MicroPCI VGA JP13 Gigabit LAN Enable Disable JP13 Function Enable Gigabit LAN Disable Gigabit LAN Note Use this jumper only when your CPU ...

Page 17: ...INSTALLATIONS VTC820 User s Manual 13 SW1 LVDS Resolution Select SW1 1 SW1 2 SW1 3 Resolution OFF ON ON 800x600 18 bit ON OFF ON 1024x768 18bit OFF OFF ON 1024x768 24 bit ...

Page 18: ...7 FAN2 System Fan Power Connector 18 FAN3 Auxiliary Fan Power Connector 18 J2 System Function Connector 18 J3 Parallel Port Connector 20 J5 J6 COM1 and COM2 Serial Ports Connector 21 J7 J13 LVDS Connectors 2nd channel 1st channel 21 J8 External ATX Power Connector 22 J9 CRT2 TV Out Connector 22 J10 External Audio Connector 22 J12 IrDA Connector 23 J15 CD In Audio Connector 23 J16 TMDS Panel Connec...

Page 19: ...2 System Function Connector J3 Parallel Port Connector J5 J6 COM1 and COM2 Serial Ports J7 J13 LVDS Connectors J8 External ATX Power Connector J9 CRT2 TV Out Connector J10 External Audio Connector J12 IrDA Connector J15 CD In Audio Connector J16 TMDS Panel Connector on ID120 J17 VGA CRT Connector J18 J19 J20 USB Connectors J21 J22 External PS 2 KB and Mouse J23 PS 2 Keyboard and Mouse J25 Gigabit ...

Page 20: ... 31 32 No connect Address 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 IDE1 Activity 39 40 Ground IDE2 Secondary IDE Connector Signal Name Pin Pin Signal Name Reset IDE 1 2 Ground Host data 7 3 4 Host data 8 Host data 6 5 6 Host data 9 Host data 5 7 8 Host data 10 Host data 4 9 10 Host data 11 Host data 3 11 12 Host data 12 Host data 2 13 14 Host data 13 Host data...

Page 21: ...Ground 13 14 Drive select 0 Ground 15 16 Motor enable 1 Ground 17 18 Direction Ground 19 20 Step Ground 21 22 Write data Ground 23 24 Write gate Ground 25 26 Track 00 Ground 27 28 Write protect Ground 29 30 Read data Ground 31 32 Side 1 select FDD1 Ground 33 34 Diskette change J1 ATX 12V 12V Power Connector Pin Signal Name 1 Ground 2 Ground 3 12V 4 12V FAN1 CPU Fan Power Connector FAN1 is a 3 pin ...

Page 22: ... Function Connector J2 provides connectors for system indicators that provide light indication of the computer activities and switches to change the computer status J2 is a 20 pin header that provides interfaces for the following functions Hard Disk Drive LED Reset Switch Not Defined ATX Power On Switch SMI Hardware Switch Power LED Speaker Speaker Pins 1 4 This connector provides an interface to ...

Page 23: ... power saving mode immediately Pin Signal Name 6 SMI 16 Ground ATX Power ON Switch Pins 7 and 17 This 2 pin connector is an ATX Power Supply On Off Switch on the system that connects to the power switch on the case When pressed the power switch will force the system to power on When pressed again it will force the system to power off Reset Switch Pins 9 and 19 The reset switch allows the user to r...

Page 24: ...wing table describes the pin out assignments of this connector Signal Name Pin Pin Signal Name Line printer strobe 1 14 AutoFeed PD0 parallel data 0 2 15 Error PD1 parallel data 1 3 16 Initialize PD2 parallel data 2 4 17 Select PD3 parallel data 3 5 18 Ground PD4 parallel data 4 6 19 Ground PD5 parallel data 5 7 20 Ground PD6 parallel data 6 8 21 Ground PD7 parallel data 7 9 22 Ground ACK acknowle...

Page 25: ...S RTS NC 8 CTS CTS NC 9 RI CTS NC J5 Fixed as RS 232 J6 Configurable as RS 232 RS 422 485 with jumpers JP2 JP3 JP4 10 NC NC NC J7 J13 LVDS Connectors 2nd channel 1st channel The LVDS connectors are composed of the first channel J13 and second channel J7 to support 24 bit or 48 bit Signal Name Pin Pin Signal Name TX0 2 1 TX0 Ground 4 3 Ground TX1 6 5 TX1 5V 3 3V 8 7 Ground TX3 10 9 TX3 TX2 12 11 TX...

Page 26: ...al Name Red C 1 9 5V Green Y 2 10 Ground Blue COMP 3 11 N C N C 4 12 CRT2 DDCDAT Ground 5 13 HSYNC Ground 6 14 VSYNC Ground 7 15 CRT2 DDCCLK J9 Ground 8 16 N C J10 External Audio Connector J10 is a 12 pin header that is used to connect to the ID120 daughter card that integrates jacks for Line In Line Out and Speaker Signal Name Pin Pin Signal Name LINEOUT_R 1 2 LINEOUT_L Ground 3 4 Ground LINEIN_R...

Page 27: ...or Pin Signal Name 1 CD Audio R 2 Ground 3 Ground 4 CD Audio L J16 TMDS Panel Connector on ID120 TMDS stands Transition Minimized Differential Signaling J16 TMDS panel connector is to be connected to the optional ID120 daughter card Signal Name Pin Pin Signal Name TX1P 1 11 TX2P TXIN 2 12 TX2N GND 3 13 GND GND 4 14 GND TXCP 5 15 TX0P TXCN 6 16 TX0N GND 7 17 NC 5v 8 18 NC HTPG 9 19 DDCDATA J16 NC 1...

Page 28: ...VSYNC J26 NC 15 J18 J19 J20 USB Connectors The following table shows the pin outs of the USB pin headers connectors Overall the two pin headers support four USB ports Signal Name Pin Pin Signal Name Vcc 1 5 Ground USB0 2 6 USB1 USB0 3 7 USB1 J18 Ground 4 8 Vcc Signal Name Pin Pin Signal Name Vcc 1 5 Ground USB2 2 6 USB3 USB2 3 7 USB3 J19 Ground 4 8 Vcc Signal Name Pin Pin Signal Name Vcc 1 5 Groun...

Page 29: ...l Name 1 Mouse data 2 Keyboard data 3 Ground 4 Vcc 5 Mouse Clock J23 6 Keyboard Clock J25 Gigabit LAN RJ45 Connector J25 is the Gigabit LAN RJ45 connector Note This connector is only present when your CPU card has the Gigabit LAN function J26 Primary RJ45 Connector J26 is the primary RJ 45 connector based on the chipset integrated LAN The figure below shows the pin out assignments of the connector...

Page 30: ...ormal circumstance the user will restart the WDT at regular intervals before the timer counts to zero SAMPLE CODE This code and information is provided as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and or fitness for a particular purpose Name Enable_And_Set_Watchdog IN AL 1sec 255sec OUT None Enable_And_Set_Wat...

Page 31: ...01h mov cl 30h call Write_Reg watchdog enabled call Lock_Chip ret Enable_And_Set_Watchdog Endp Name Disable_Watchdog IN None OUT None Disable_Watchdog Proc Near call Unlock_Chip mov cl 07h mov al 08h call Write_Reg switch to LD8 xor al al mov cl 0F6h call Write_Reg clear watchdog timer xor al al mov cl 30h call Write_Reg watchdog disabled call Lock_Chip ret Disable_Watchdog Endp ...

Page 32: ...h out dx al out dx al ret Unlock_Chip Endp Name Lock_Chip IN None OUT None Unlock_Chip Proc Near mov dx 2Eh mov al 0AAh out dx al ret Unlock_Chip Endp Name Write_Reg IN CL register index AL Value to write OUT None Write_Reg Proc Near push ax mov dx 2Eh mov al cl out dx al pop ax inc dx out dx al ret Write_Reg Endp ...

Page 33: ...INSTALLATIONS VTC820 User s Manual 29 Name Read_Reg IN CL register index OUT AL Value to read Read_Reg Proc Near mov al cl mov dx 2Eh out dx al inc dx in al dx ret Read_Reg Endp ...

Page 34: ...INSTALLATIONS 30 VTC820 User s Manual This page was intentionally left blank ...

Page 35: ...APPENDIX VTC820 User s Manual 31 ...

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