Page 2 - CONTENTS
ETX-945 User Manual 1.00 www.diamondsystems.com Page 2 CONTENTS IMPORTANT SAFE-HANDLING INFORMATION ......................................................................................................3 1. INTRODUCTION ...................................................................................
Page 3 - IMPORTANT SAFE-HANDLING INFORMATION; Safe Handling Precautions; ESD damage; – On some boards we have noticed physical damage from mishandling. A; Power supply wired backwards
ETX-945 User Manual 1.00 www.diamondsystems.com Page 3 IMPORTANT SAFE-HANDLING INFORMATION WARNING: ESD-Sensitive Electronic Equipment! Observe ESD-safe handling procedures when working with this product. Always use this product in a properly grounded work area and wear appropriate ESD-preventive cl...
Page 4 - Features
ETX-945 User Manual 1.00 www.diamondsystems.com Page 4 1. INTRODUCTION The ETX-945 is a highly integrated computer-on-module (COM) available with a range of high performance Intel® Core TM 2 Duo, Core Duo, and Celeron TM M processors. The module provides an SO-DIMM socket for up to 2GB of DDR2 DRAM,...
Page 6 - FUNCTIONAL OVERVIEW; Block Diagram; Figure 1 shows the ETX-945; Figure 1: Functional Block Diagram
ETX-945 User Manual 1.00 www.diamondsystems.com Page 6 2. FUNCTIONAL OVERVIEW 2.1 Block Diagram Figure 1 shows the ETX-945 COM’s functional blocks, ETX bus, and peripheral interface signals. Figure 1: Functional Block Diagram
Page 7 - Board Dimensions, Mounting Holes, and Connectors; ’s board outline and five mounting; Figure 2: Board Layout
ETX-945 User Manual 1.00 www.diamondsystems.com Page 7 2.2 Board Dimensions, Mounting Holes, and Connectors The two diagrams below show the mechanical dimensions of the ETX-945 ’s board outline and five mounting holes, as well as the position of all connectors on both the top and bottom sides of the...
Page 8 - Figure 3: Board Layout
ETX-945 User Manual 1.00 www.diamondsystems.com Page 8 Figure 3: Board Layout – Bottom
Page 11 - ETX Development Kits; Plus; Configuring the Hardware; This mounting
ETX-945 User Manual 1.00 www.diamondsystems.com Page 11 3.1 ETX Development Kits To facilitate evaluation and development, the ETX-945 is normally supplied pre-integrated into one of Diamond’s ETX development kits (pictured below). This approach increases project efficiency and reduces risks by prov...
Page 12 - Standard CMOS Features
ETX-945 User Manual 1.00 www.diamondsystems.com Page 12 Using the four long screws provided with the heat-spreader (or heatsink), secure the heat-spreader (or heatsink) to the corresponding standoffs located in the four corners of the top of the ETX-945 module. If the ETX module is to being installe...
Page 13 - Advanced Chipset Features; Display Interface Port; Integrated Peripherals
ETX-945 User Manual 1.00 www.diamondsystems.com Page 13 3.4.3 Advanced Chipset Features From this setup page you can configure the size of the video controller’s on-chip frame buffer, set up the controller’s DVMT (Dynamic Video Memory Technology) mode and memory size, and specify what type of displa...
Page 14 - Operating System Drivers; Diamond’s website; BIOS Beep Code List; Beep Sound
ETX-945 User Manual 1.00 www.diamondsystems.com Page 14 3.4.6 PnP/PCI Configuration This section of Setup provides options for configuration of devices connected to the ETX-945 ’s PCI bus, including the choice between automatic “plug-and-play” (PnP) configuration of IRQ and DMA channel settings. If ...
Page 15 - INTERFACE CONNECTOR DETAILS; ’s bus and I/O interface connectors. The ETX
ETX-945 User Manual 1.00 www.diamondsystems.com Page 15 4. INTERFACE CONNECTOR DETAILS This section describes the functions available on all of the ETX-945 ’s bus and I/O interface connectors. The ETX 3.0 specification, which provides more detail regarding the signals present on the ETX1, ETX2, ETX3...
Page 16 - ETX1 Connector
ETX-945 User Manual 1.00 www.diamondsystems.com Page 16 4.1 ETX1 Connector The 100-pin, high-density ETX1 connector implements the board’s PCI bus, USB, and audio signals, as indicated in the table below. Further information regarding each of these signal groups follows the table. (Note: Pins design...
Page 17 - PCI bus signals; Signal Name
ETX-945 User Manual 1.00 www.diamondsystems.com Page 17 4.1.1 PCI bus signals This set of pins implements the module’s PCI expansion bus. For further information regarding the functions of the PCI bus signals, refer to the PCI Bus Specification, available from the PCI Special Interest Group ( http:/...
Page 18 - These pins carry stereo audio input and output as indicated.
ETX-945 User Manual 1.00 www.diamondsystems.com Page 18 4.1.2 USB signals These pins provide connections to the board’s four USB channels. For further information regarding the functions of the USB signals listed above, refer to the USB 2.0 Specification, available from the USB Implementers Forum ( ...
Page 19 - Miscellaneous functions
ETX-945 User Manual 1.00 www.diamondsystems.com Page 19 4.1.4 Miscellaneous functions These pins carry power and ground signals and an interrupt request as indicated. Signal Name Signal Function Direction VCC +5V ±5% DC power input In GND Power ground n/a 3V +3.3V ± 5% supply generated on the ETX mo...
Page 20 - ETX2 Connector
ETX-945 User Manual 1.00 www.diamondsystems.com Page 20 4.2 ETX2 Connector The 100-pin, high- density ETX2 connector implements the board’s ISA bus signals, as indicated in the table below. For further information on the module’s ISA bus signals, refer to the ETX 3.0 Specification. GND 1 2 GND VCC 5...
Page 21 - ETX3 Connector
ETX-945 User Manual 1.00 www.diamondsystems.com Page 21 4.3 ETX3 Connector The 100-pin ETX3 connector implements VGA, LCD (LVDS), TV-video, serial, parallel, floppy, mouse, and keyboard signals. Because pins 51-100 are shared between floppy and parallel port functions, dual signal assignments are in...
Page 23 - These pins carry data and control information to/from
ETX-945 User Manual 1.00 www.diamondsystems.com Page 23 4.3.3 LCD interface These pins carry data for graphical display on an LCD panel, as indicated. Signal Name Signal Function Direction BIASON Controls display contrast voltage Out DIGON Controls digital power to LCD Out BLON# Controls backlight p...
Page 24 - Keyboard, mouse, and infrared transceiver interfaces; These pins carry data and; Parallel port interface; These pins are shared with
ETX-945 User Manual 1.00 www.diamondsystems.com Page 24 4.3.5 Keyboard, mouse, and infrared transceiver interfaces These pins carry data and clock signals associated with the board’s PS2 keyboard and mouse ports. Additionally, transmit and receive data to/from an IR device, can be routed as indicate...
Page 25 - Floppy drive interface
ETX-945 User Manual 1.00 www.diamondsystems.com Page 25 4.3.7 Floppy drive interface These pins carry data and control information to/from the board’s floppy drive controller, as indicated. Signal Name Signal Function Direction LPT/FLPY# Interface configuration input In RESERVED Do not connect n/a D...
Page 26 - Signal Name Signal Function
ETX-945 User Manual 1.00 www.diamondsystems.com Page 26 4.3.8 Miscellaneous functions These pins carry power and ground signals and a GPIO signal, as indicated. Signal Name Signal Function Direction VCC +5V ±5% DC power input In GND Power ground In/Out RESERVED Do not connect n/a LTGIO0 General purp...
Page 27 - ETX4 Connector; The 100-pin ETX4 connector implements the
ETX-945 User Manual 1.00 www.diamondsystems.com Page 27 4.4 ETX4 Connector The 100-pin ETX4 connector implements the board’s IDE, Ethernet, and a number of other signals, as indicated in the table below. Further information regarding each of these signal groups follows the table. GND 1 2 GND SIDE_IO...
Page 28 - IDE interfaces
ETX-945 User Manual 1.00 www.diamondsystems.com Page 28 4.4.1 IDE interfaces These pins carry data and control information to/from the board’s IDE drive controller, as indicated. Signal Name Signal Function Direction PIDE_D0-15 Primary IDE ATA bidirectional data bus In/Out PIDE_A0-2 Primary IDE ATA ...
Page 30 - Miscellaneous signals; SATA Connectors
ETX-945 User Manual 1.00 www.diamondsystems.com Page 30 4.4.4 Miscellaneous signals These pins implement the ETX-945 ’s I 2 C and SM Bus interfaces, PC-speaker output, and RTC/CMOS backup power input. Signal Name Signal Function Direction SPEAKER This logic-level signal can drive a piezoelectric spe...
Page 31 - APPENDIX: SYSTEM RESOURCES REFERENCE; BIOS Memory Mapping; Address
ETX-945 User Manual 1.00 www.diamondsystems.com Page 31 5. APPENDIX: SYSTEM RESOURCES REFERENCE 5.1 BIOS Memory Mapping Address Device Description E000:0000h - F000:FFFFh System BIOS Area D000:2000h - D000:FFFFh Free space D000:0000h - D000: FFFh LAN ROM C000:E000h - CF00:FFFFh Free space C000:0000h...
Page 32 - I/O Port Address Map
ETX-945 User Manual 1.00 www.diamondsystems.com Page 32 5.2 I/O Port Address Map Each peripheral device in the system is assigned a set of I/O port addresses, which also become the identity of the device. The following table lists the I/O port addresses used: Address Device Description 00000000 - 00...
Page 35 - BIOS POST Codes; The POST codes used by the ETX-945
ETX-945 User Manual 1.00 www.diamondsystems.com Page 35 5.4 BIOS POST Codes The POST codes used by the ETX-945 ’s on-board BIOS appear in the table below. Code Function CFh Test CMOS read/write functionality C0h Early chipset initialization: Disable shadow RAM, L2 cache (socket 7 and below), program...
