1. Manuals
  2. Brands
  3. VIA Technologies Manuals
  4. Control Unit
  5. ETX-8X90
  6. User manual

VIA Technologies ETX-8X90 User Manual

Computer-on-module
Hide thumbs Also See for ETX-8X90:
Table of Contents

Advertisement

Quick Links

Download this manual
USER MANUAL
VIA ETX-8X90
Computer-On-Module
1.04-04082019-104700

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ETX-8X90 and is the answer not in the manual?

Questions and answers

Related Manuals for VIA Technologies ETX-8X90

Summary of Contents for VIA Technologies ETX-8X90

  • Page 1 USER MANUAL VIA ETX-8X90 Computer-On-Module 1.04-04082019-104700...
  • Page 2 VIA Technologies, Inc. reserves the right the make changes to the products described in this manual at any time without prior notice. Regulatory Compliance FCC-A Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to part 15 of the FCC rules.
  • Page 3 Battery Recycling and Disposal Only use the appropriate battery specified for this product. Do not re-use, recharge, or reheat an old battery. Do not attempt to force open the battery. Do not discard used batteries with regular trash. Discard used batteries according to local regulations. Safety Precautions Always read the safety instructions carefully.
  • Page 4 4 USB 2.0, 2 Mini USB 2.0, COM, 10/100Mbps Ethernet, SATA, 2 IDE, 2 PCI, Micro SD card slot, ATX power connector ETXDB1 ETX-8X90 evaluation carrier board 99G42-01381Q Heatsink with fan for ETX-8X90 (with ETXDB1) 99G42-01390Q Heat Spreader for ETX-8X90 (with ETXDB1) 99G42-01469Q Heat Spreader for ETX-8X90...

  • Page 5: Table Of Contents

    2.11.3. ETX Connector X3 (CNX3) ........................17 2.11.4. ETX Connector X4 (CNX4) ........................18 3. Hardware Installation ........................ 19 3.1. Mounting VIA ETX-8X90 module onto the ETXDB1 carrier board .............19 4. BIOS Setup Utility ........................23 4.1. Entering the BIOS Setup Utility ........................23 4.2.
  • Page 6 VIA ETX-8X90 User Manual 4.6.6.1. Power Button Mode ........................31 4.6.6.2. Restore on AC/Power Loss ......................31 4.6.6.3. Resume On PCI PME#........................31 4.6.6.4. Resume On KBC ..........................32 4.6.6.5. Wake-Up Key ..........................32 4.6.6.6. Wake-Up Password ........................32 4.6.6.7. Resume On PS/2 Mouse ......................32 4.6.6.8.
  • Page 7 VIA ETX-8X90 User Manual A.3.1. Onboard Connectors and Slots .......................47 A.3.2. Onboard Pin headers and Jumpers ......................48 A.3.3. Connectors and Slots Pin Definition .......................49 A.3.3.1. ATX1 : 20-pin ATX Power Connector ..................49 A.3.3.2. ISA1: ISA Slot .............................50 A.3.3.3. PCI1 and PCI2: PCI Slots ........................51 A.3.3.4.
  • Page 8 Figure 15: ETX connectors diagram ..........................14 Figure 16: Carrier board ETX connectors and mounting holes ................19 Figure 17: Installing the VIA ETX-8X90 module on the carrier board ..............19 Figure 18: Installing the DDR3 SODIMM memory module ..................20 Figure 19: Removing the thermal pad cover .......................
  • Page 9 Table 16: Serial port addresses and IRQs ........................28 Table 17: Panel types resolution ........................... 35 Table 18: ETXDB1 and VIA ETX-8X90 storage configuration ................45 Table 19: Description table of the ETXDB1 connectors and slots ............... 47 Table 20: Description table of the ETXDB1 pin headers and jumpers ..............48 Table 21: ATX Power connector pinouts ........................

  • Page 10: Product Overview

    USB, Ethernet, Audio, PCI, ISA, IDE and graphics through board-to-board connectors to an I/O carrier board. The VIA ETX-8X90 module is designed for embedded applications such as industrial PC, medical PC, test machines, measuring equipment, monitoring system, etc.

  • Page 11: Product Specifications

    2 x IDE connectors (IDE1 and IDE2 on carrier board) Note: 1. The VIA ETX-8X90 only supports two channel of storage. The IDE1 + SATA2 configuration is the default setting. The other configurations such as IDE1 + IDE2 (option 1) or SATA1 + SATA2 (option 2) are...
  • Page 12 VIA ETX-8X90 User Manual Input/Output Audio o VT2021 Audio Codec o 10/100Mbps Ethernet (Realtek RTL8139DL) o Supports up to four USB 2.0 ports (on carrier board) o Supports up to two mini USB 2.0 ports (on module) o Supports one LPT port...

  • Page 13: Layout Diagram

    VIA ETX-8X90 User Manual 1.3. Layout Diagram Figure 1: Layout diagram of the VIA ETX-8X90 module (top side) Figure 2: Layout diagram of the VIA ETX-8X90 module (bottom side)

  • Page 14: Product Dimensions

    VIA ETX-8X90 User Manual 1.4. Product Dimensions Figure 3: Dimensions of the VIA ETX-8X90 module (top view) Figure 4: Dimensions of the VIA ETX-8X90 module (bottom view)

  • Page 15: I/O Interface

    2.2. Mini USB 2.0 Ports There are two integrated mini USB 2.0 ports on VIA ETX-8X90 module labeled as “USB1 and USB2”. The mini USB port gives complete plug and play and hot swap capability for external devices. Each port is using the USB mini-AB type receptacle connector.

  • Page 16: Sata Connectors

    VIA ETX-8X90 User Manual 2.3. SATA Connectors The two SATA connectors labeled as SATA1 (optional) and SATA2 on board can support up to 3.0Gbps transfer speeds. Both connectors have 7 pin that can provide +5V power to a SATA Disk-On-Module (DOM) .

  • Page 17: Vga Connector

    VIA ETX-8X90 User Manual 2.4. VGA Connector The VIA ETX-8X90 module has on board VGA connector labeled as VGA1. This connector is for connecting the VGA DE-15 connector to support high resolution analog VGA monitor. It supports up to 2048 x 1536 resolutions. The pinouts of the VGA connector are shown below.

  • Page 18: Dc-In Connector

    VIA ETX-8X90 User Manual 2.5. DC-in Connector The VIA ETX-8X90 module has an onboard +5V DC-in 4-pin power connector to connect the DC-in power cable. The DC-in connector is labeled as “DCIN1”. The pinouts of the DC-in connector are shown below.

  • Page 19: Hdd Selector Switch

    Figure 11: HDD selector DIP switch diagram Notes: 1. The VIA ETX-8X90 only supports two channel of storage. The IDE1 + SATA2 configuration is the default setting. The other configurations such as IDE1 + IDE2 (option 1) or SATA1 + SATA2 (option 2) are manufacturing options.

  • Page 20: Clear Cmos Jumper

    VIA ETX-8X90 User Manual 2.8. Clear CMOS Jumper The onboard CMOS RAM stores system configuration data and has an onboard battery power supply. To reset the CMOS settings, set the jumper on pins 2 and 3 while the system is off, and then return the jumper to pins 1 and 2 afterwards.

  • Page 21: Lpc Connector

    VIA ETX-8X90 User Manual 2.9. LPC Connector The VIA ETX-8X90 module has one LPC connector labeled as LPC1. The LPC connector can be used for debugging purposes. The pinouts of the LPC connector are shown below.. Figure 13: LPC connector diagram Signal +3.3V...

  • Page 22: Spi Connector

    VIA ETX-8X90 User Manual 2.10. SPI Connector The VIA ETX-8X90 module has one SPI flash connector. The SPI (Serial Peripheral Interface) flash connector is used to connect the SPI BIOS programming fixture for updating the SPI flash ROM or for debugging purposes.

  • Page 23: Etx Connectors

    VIA ETX-8X90 User Manual 2.11. ETX Connectors The VIA ETX-8X90 module has four ETX connectors labeled as “CNX1, CNX2, CNX3 and CNX4”. These connectors are designed to provide interface to the carrier board. Figure 15: ETX connectors diagram...

  • Page 24: Etx Connector X1 (Cnx1)

    VIA ETX-8X90 User Manual 2.11.1. ETX Connector X1 (CNX1) The ETX connector X1 contains signal groups of PCI bus, USB and Audio interface. The pinouts of the connector X1 are shown below. CNX1 Signal Signal Signal Signal PCICLK_3 PCICLK_4 -SERR...

  • Page 25: Etx Connector X2 (Cnx2)

    VIA ETX-8X90 User Manual 2.11.2. ETX Connector X2 (CNX2) The ETX connector X2 contains signal group of ISA bus interface. The pinouts of the connector X2 are shown below. CNX2 Signal Signal Signal Signal SD14 SD15 IRQ5 SD13 -MASTER IRQ6...

  • Page 26: Etx Connector X3 (Cnx3)

    VIA ETX-8X90 User Manual 2.11.3. ETX Connector X3 (CNX3) The ETX connector X3 contains signal groups of VGA, LCD, Video, COM, LPT and PS2 interfaces. The pinouts of the connector X3 are shown below. CNX3 Signal Signal Signal Signal REDN...

  • Page 27: Etx Connector X4 (Cnx4)

    VIA ETX-8X90 User Manual 2.11.4. ETX Connector X4 (CNX4) The ETX connector X4 contains signal groups of IDE, Ethernet and Miscellaneous signal interfaces. The pinouts of the connector X4 are shown below. CNX4 Signal Signal Signal Signal -SDIOW -PDIOR +5VSB...

  • Page 28: Hardware Installation

    3.1. Mounting VIA ETX-8X90 module onto the ETXDB1 carrier board Step 1 Align the four ETX connectors and mounting holes of the VIA ETX-8X90 module into the ETX connectors and mounting holes on the ETXDB1 carrier board. Figure 16: Carrier board ETX connectors and mounting holes...

  • Page 29: Figure 18: Installing The Ddr3 Sodimm Memory Module

    VIA ETX-8X90 User Manual Step 3 Align the notch on the memory module with its counterpart on the SODIMM slot, and then insert the memory module at a 30° angle. Figure 18: Installing the DDR3 SODIMM memory module Step 4 Push down until the memory module snaps into place.

  • Page 30: Figure 20: Heatsink/Heat Spreader's Mounting Holes On Via Etx-8X90 Module

    Apply the thermal grease/paste onto the surface of the CPU. Then align the heatsink/heat spreader over the mounting holes on the VIA ETX-8X90 module. Figure 20: Heatsink/heat spreader’s mounting holes on VIA ETX-8X90 module Step 7 Gently install the heatsink/heat spreader. Make sure to install it in proper orientation. The thermal pads underneath the heatsink/heat spreader should position above the memory and chipset respectively.

  • Page 31: Figure 22: Securing The Heatsink/Heat Spreader And Via Etx-8X90 Module

    Step 8 Connect the CPU fan jack to the fan connector (FAN1). Step 9 Secure the VIA ETX-8X90 module with the heatsink/heat spreader by screwing and tightening four M2.5*12 screws in sequence (torque is 2.5~2.6 kgfcm). Note: Be sure to follow the sequence shown below when tightening the screws, otherwise it may cause damage to the device.

  • Page 32: Bios Setup Utility

    VIA ETX-8X90 User Manual 4. BIOS Setup Utility 4.1. Entering the BIOS Setup Utility Power on the computer and press Delete during the beginning of the boot sequence to enter the BIOS Setup Utility. If the entry point has passed, restart the system and try again.

  • Page 33: System Overview

    VIA ETX-8X90 User Manual 4.5. System Overview The System Overview screen is the default screen that is shown when the BIOS Setup Utility is launched. This screen can be accessed by traversing the navigation bar to the “Main” label. Figure 23: Illustration of the Main menu screen 4.5.1.

  • Page 34: Advanced Settings

    VIA ETX-8X90 User Manual 4.6. Advanced Settings The Advanced Settings screen shows a list of categories that can provide access to a sub-screen. Sub- screen links can be identified by the preceding right-facing arrowhead. Figure 24: Illustration of the Advanced Settings screen The Advanced Settings screen contains the following links: •...

  • Page 35: Cpu Configuration

    VIA ETX-8X90 User Manual 4.6.1. CPU Configuration The CPU Configuration screen shows detailed information about the built-in processor. Figure 25: Illustration of the CPU Configuration screen 4.6.2. SATA Configuration The SATA Configuration screen shows links to the primary and secondary IDE hard drive information screens.

  • Page 36: Hard Disk Information

    VIA ETX-8X90 User Manual 4.6.2.1. Hard Disk Information When a hard drive is detected, the hard drive’s detailed information can be displayed on the SATA-1 Primary/Secondary IDE sub-screen. Figure 27: Illustration of SATA-1 Primary IDE screen In addition, the PIO and DMA modes may be configured for each SATA hard drive.

  • Page 37: Superio Configuration

    VIA ETX-8X90 User Manual 4.6.3. SuperIO Configuration The SuperIO Configuration screen shows the specific addresses, IRQs and types of the onboard serial ports. Figure 28: Illustration of SuperIO Configuration screen 4.6.3.1. Serial Ports 1 to 2 Address and IRQ This option allows the user to select the Serial Port 1 and 2 base I/O address and interrupt request address.

  • Page 38: Hardware Health Configuration

    VIA ETX-8X90 User Manual 4.6.4. Hardware Health Configuration The Hardware Health Configuration screen displays the monitored aspects of the module such as CPU temperature, system temperature, fan speeds, and voltages of the power planes. Figure 29: Illustration of Hardware Health Configuration screen 4.6.4.1.

  • Page 39: Acpi Configuration

    VIA ETX-8X90 User Manual 4.6.5. ACPI Configuration ACPI grants the operating system direct control over system power management. The ACPI Configuration screen can be used to set a number of power management related functions. Figure 30: Illustration of ACPI Configuration screen 4.6.5.1.

  • Page 40: Apm Configuration

    VIA ETX-8X90 User Manual 4.6.6. APM Configuration APM enables the operating system to co-work with the BIOS to control the system power management. The APM Configuration screen can be used to set a number of power management functions. Figure 31: Illustration of APM Configuration screen 4.6.6.1.

  • Page 41: Resume On Kbc

    VIA ETX-8X90 User Manual 4.6.6.4. Resume On KBC Resume on KBC wakes up a system that has been put into suspend or standby mode. When this feature is enabled, keyboard activity as defined in the Wake-Up Key feature will cause the system to wake up. This feature has three options.

  • Page 42: System Time

    VIA ETX-8X90 User Manual 4.6.6.10. System Time The System Time option enables the user to specify the time the system should power on for the date that is set in RTC Alarm Date. 4.6.7. Spread Spectrum Configuration The Spread Spectrum Configuration screen enables access to the CPU Spread Spectrum Setting feature.

  • Page 43: Usb Configuration

    VIA ETX-8X90 User Manual 4.6.8. USB Configuration The USB Configuration screen shows the number of connected USB devices. Additionally, support for various USB features can be enabled or disabled. Figure 33: Illustration of USB Configuration screen 4.6.9. CRB Configuration The CRB Configuration screen includes several chipset settings.

  • Page 44: Dram Clock

    VIA ETX-8X90 User Manual 4.6.9.1. DRAM Clock The DRAM Clock feature enables the user to determine how the BIOS handles the memory clock frequency. The memory clock can either be dynamic or static. This feature has three options. Auto The Auto option enables the BIOS to select a compatible clock frequency for the installed memory.

  • Page 45: Time-Select

    VIA ETX-8X90 User Manual 4.6.9.10. Time-Select The Time-Select is only available if the WATCH-DOG feature has been enabled. This feature requires the user to input an integer in the range of 0–255 if the Unit-Select feature is set to “Seconds”. If the Unit- Select feature is set to “Minutes”, then the user can only input an integer in the range of 0–17.

  • Page 46: Boot Settings

    VIA ETX-8X90 User Manual 4.7. Boot Settings The Boot Settings screen has two links that goes to the Boot Settings Configuration and Boot Device Priority screens. Figure 35: Illustration of Boot Settings screen 4.7.1. Boot Settings Configuration The Boot Settings Configuration screen has several features that can be run during the system boot sequence.

  • Page 47: Quick Boot

    VIA ETX-8X90 User Manual 4.7.1.1. Quick Boot The Quick Boot feature enables the BIOS to skip certain tests in order to speed up the boot sequence. This feature has two options: “Enabled” and “Disabled”. 4.7.1.2. Quiet Boot The Quiet Boot feature hides all of the Power-on Self Test (POST) messages during the boot sequence.

  • Page 48: Boot Device Priority

    VIA ETX-8X90 User Manual 4.7.2. Boot Device Priority The Boot Device Priority screen lists all bootable devices. Figure 37: Illustration of Boot Device Priority screen 4.7.2.1. 1 Boot Device This feature specifies the boot sequence from the available devices. The available boot devices are detected dynamically and bootable devices will be listed accordingly.

  • Page 49: Security Settings

    VIA ETX-8X90 User Manual 4.8. Security Settings The Security Settings screen provides a way to restrict access to the BIOS or even the entire system. Figure 38: Illustration of Security Settings screen 4.8.1. Change Supervisor Password This option is for setting a password for accessing the BIOS setup utility. When a password has been set, a password prompt will be displayed whenever the BIOS setup utility is launched.

  • Page 50: Change User Password

    VIA ETX-8X90 User Manual 4.8.3. Change User Password This option is for setting a password for non-supervisors. When a user password is set, the Clear User Password and Password Check options will be unlocked. 4.8.4. Clear User Password This option is only available when the user accesses the BIOS Setup Utility when the user password has been specified.

  • Page 51: Exit Options

    VIA ETX-8X90 User Manual 4.9. Exit Options Figure 39: Illustration of Exit Options screen 4.9.1. Save Changes and Exit Save all changes to the BIOS and exit the BIOS Setup Utility. The “F10” hotkey can also be used to trigger this command.

  • Page 52: Software And Technical Support

    VIA ETX-8X90 User Manual 5. Software and Technical Support 5.1. Microsoft and Linux Support The VIA VIA ETX-8X90 module is highly compatible with Microsoft Windows and Linux operating systems. 5.1.1. Driver Installation Microsoft Driver Support The latest drivers can be downloaded from the VIA website at www.viatech.com...

  • Page 53: Appendix A. Etxdb1 Carrier Board Reference

    VIA ETX-8X90 User Manual Appendix A. ETXDB1 Carrier Board Reference A.1. Board Specifications Module Name ETXDB1 Rear I/O Connector 1 x VGA port 1 x COM port 4 x USB 2.0 ports 1 x 10/100Mbps Ethernet port Onboard Connector and Slot 4 x ETX connectors 1 x ISA slot (compatible with ISA ETX 3.02)

  • Page 54: Board Storage Channel Configuration

    A.1.1. Board Storage Channel Configuration ETXDB1 VIA ETX-8X90 (Carrier Board) (Computer-On-Module) IDE1 IDE2 SATA1 SATA2 Default settings Enable Disable Disable Enable Manufacturing option 1 Enable Enable Disable Disable Manufacturing option 2 Disable Disable Enable Enable Table 18: ETXDB1 and VIA ETX-8X90 storage configuration...

  • Page 55: External I/O Connectors

    VIA ETX-8X90 User Manual A.2. External I/O Connectors The ETXDB1 has a wide selection of interfaces. It includes a selection of frequently used ports and connectors as part of the external I/O coastline. A.2.1. Rear I/O Ports Ethernet port COM port USB 2.0 ports...

  • Page 56: Etxdb1 Layout Diagram

    VIA ETX-8X90 User Manual A.3. ETXDB1 Layout Diagram A.3.1. Onboard Connectors and Slots Figure 41: ETXDB1 connectors and slots diagram Item Description ISA1 ISA slot IDE2 IDE connector 2 BUZZER1 Buzzer speaker BAT1 RTC battery CNX1 ETX connector X1 ATX1...

  • Page 57: Onboard Pin Headers And Jumpers

    VIA ETX-8X90 User Manual A.3.2. Onboard Pin headers and Jumpers Figure 42: ETXDB1 pin headers and jumpers diagram Item Description F_AUDIO1 Front audio pin header I2C1 C pin header SIR1 Serial Infrared pin header SMB1 System Management Bus (SMBus) pin header...

  • Page 58: Connectors And Slots Pin Definition

    VIA ETX-8X90 User Manual A.3.3. Connectors and Slots Pin Definition A.3.3.1. ATX1 : 20-pin ATX Power Connector Figure 43: ATX Power connector diagram Signal +3.3V +3.3V PW-OK +5VSB +12V +3.3V -12V PS-ON Table 21: ATX Power connector pinouts...

  • Page 59: Isa1: Isa Slot

    VIA ETX-8X90 User Manual A.3.3.2. ISA1: ISA Slot Figure 44: ISA slot diagram Signal Signal Signal Signal -IOCHCK -SBHE -MEMCS16 -RSTDRV LA23 -IOCS16 LA22 IRQ10 IRQ9 LA21 IRQ11 LA20 IRQ12 DREQ2 LA19 ISA_IRQ15 -12V LA18 ISA_IRQ14 -0WS LA17 -DACK0 +12V...

  • Page 60: Pci1 And Pci2: Pci Slots

    VIA ETX-8X90 User Manual A.3.3.3. PCI1 and PCI2: PCI Slots Figure 45: PCI slot diagram PCI1 Signal Signal Signal Signal +12V -12V -INTA -INTC -INTB -INTD +3.3V AUX -PCIRST PCICLK1 -GNT0 -REQ0 -PME AD30 AD31 +3.3V AD28 AD29 AD26 AD27...

  • Page 61: Table 24: Pci Slot 2 Pinouts

    VIA ETX-8X90 User Manual PCI2 Signal Signal Signal Signal +12V -12V -INTB -INTD -INTC -INTA +3.3V AUX -PCIRST PCICLK2 -GNT1 -REQ1 -PME AD30 AD31 +3.3V AD28 AD29 AD26 AD27 AD25 AD24 IDSEL +3.3V -CBE3 +3.3V AD22 AD23 AD20 AD21 AD19...

  • Page 62: Ide1 And Ide2: Ide Connector

    VIA ETX-8X90 User Manual A.3.3.4. IDE1 and IDE2: IDE Connector Figure 46: IDE connector diagram IDE1 IDE2 Signal Signal Signal Signal IDERST_D1 IDERST_D2 DD7A_D1 DD8A_D1 DD7A_D2 DD8A_D2 DD6A_D1 DD9A_D1 DD6A_D2 DD9A_D2 DD5A_D1 DD10A_D1 DD5A_D2 DD10A_D2 DD4A_D1 DD11A_D1 DD4A_D2 DD11A_D2 DD3A_D1...

  • Page 63: Lvds1: Lvds Panel Connector

    VIA ETX-8X90 User Manual A.3.3.5. LVDS1: LVDS Panel Connector Figure 47: LVDS panel connector diagram Signal Signal PVDD1 PVDD1 CLK2- CLK2+ CLK1- CLK1+ +3.3V / PVDD (optional) LCD_CLK LCD_DATA Table 26: LVDS panel connector pinouts A.3.3.6. BL1: Backlight Connector Figure 48: Backlight connector diagram...

  • Page 64: Cnx1~ Cnx4: Etx Connector X1, X2, X3 And X4

    VIA ETX-8X90 User Manual A.3.3.7. CNX1~ CNX4: ETX Connector X1, X2, X3 and X4 Figure 49: ETX connector X1, X2, X3 and X4 diagram CNX1 Signal Signal Signal Signal PCICLK3 PCICLK4 -SERR -PERR PCICLK1 PCICLK2 -PME USB2- -REQ3 -GNT3 -PLOCK...

  • Page 65: Table 29: Etx Connector X2 Pinouts

    VIA ETX-8X90 User Manual CNX2 Signal Signal Signal Signal SD14 SD15 IRQ5 SD13 -MASTER IRQ6 SD12 DREQ7 IRQ7 SD11 -DACK7 SYS_CLK SD10 DREQ6 SA10 -REFRESH -DACK6 SA11 DREQ1 DREQ5 SA12 -DACK1 -MEMW -DACK5 -MEMR DREQ0 SA13 DREQ3 LA17 -DACK0 SA14...

  • Page 66: Table 30: Etx Connector X3 Pinouts

    VIA ETX-8X90 User Manual CNX3 Signal Signal Signal Signal REDN BLUEN GREENN P_-STB P_-AFD DDCCLKN P_PRD7 DDCDATAN IRRX P_-ERR LVDSCLK2- LVDSD7- IRTX P_PRD6 LVDSCLK2+ LVDSD7+ SIN2 P_-INIT LVDSD5+ LVDSD6+ RTS2 P_PRD5 LVDSD5- LVDSD6- DTR2 P_-SLIN DCD2 P_PRD4 LVDSD3- LVDSD4+ DSR2...

  • Page 67: Table 31: Etx Connector X4 Pinouts

    VIA ETX-8X90 User Manual CNX4 Signal Signal Signal Signal -SDIOW -PDIOR +5VSUS ATX_PG SDDREQ -PDIOW PS_ON- SPEAKER SDD15 PDDREQ PW_BN- +3.3VBAT SDD0 PDD15 LILED- SDD14 PDD0 RSMRST- ACTLED- SDD1 PDD14 SPEEDLED- SDD13 PDD1 I²C_CLK SDD2 PDD13 OVCR- SDD12 PDD2 EXTSMI- I²C_DAT...

  • Page 68: Pin Headers Definition And Jumper Settings

    VIA ETX-8X90 User Manual A.3.4. Pin Headers Definition and Jumper Settings A.3.4.1. F_AUDIO1 and I2C1: Front Audio and I²C Pin Headers Figure 50: Front audio and I²C pin headers diagram Signal Signal AUXAR AGND AUXAL MICIN SNDR SNDL AGND Table 32: Front audio pin header pinouts...

  • Page 69: Sir1 And Smb1: Serial Infrared And Smbus Pin Headers

    VIA ETX-8X90 User Manual A.3.4.2. SIR1 and SMB1: Serial Infrared and SMBus Pin Headers Figure 51: Serial Infrared and SMBus pin headers diagram Signal IRRX IRTX Table 34: Serial Infrared pin header pinouts Signal +3.3V Table 35: SMBus pin header pinouts...

  • Page 70: F_Panel1 And Lpt1: Front Panel And Lpt Pin Headers

    VIA ETX-8X90 User Manual A.3.4.3. F_PANEL1 and LPT1: Front Panel and LPT Pin Headers Figure 52: Front panel and LPT pin headers diagram Signal Signal Power LED+ Power LED+ HDD_LED- Power LED- Power button Reset Speaker- Table 36: Front panel pin header pinouts...

  • Page 71: Com2 And Kbms1: Com And Keyboard & Mouse Pin Headers

    VIA ETX-8X90 User Manual A.3.4.4. COM2 and KBMS1: COM and Keyboard & Mouse Pin Headers Figure 53: COM and keyboard & mouse pin headers diagram Signal Signal DCD2- RXD2- TXD2- DTR2- DSR2- RTS2 CTS2- RI2- Table 38: COM pin header pinouts...

  • Page 72: J1: Backlight And Panel Power Jumper

    VIA ETX-8X90 User Manual A.3.4.5. J1: Backlight and Panel Power Jumper Figure 54: Backlight and Panel power jumper diagram Backlight voltage setting Pin 1 Pin 3 Pin 5 +12V Short Short Open Open Short Short Panel voltage setting Pin 2...

  • Page 73: Etxdb1 Dimensions

    VIA ETX-8X90 User Manual A.4. ETXDB1 Dimensions A.4.1. ETXDB1 Board Dimensions Figure 55: ETXDB1 board dimensions diagram A.4.2. ETXDB1 External I/O Dimensions Figure 56: ETXDB1 External I/O dimensions diagram...

Table of Contents