ADLINK CM1-86DX3 PC/104 Single Board Computer

ADLINK CM1-86DX3 PC/104 Single Board Computer

Product Overview

1. Core hardware platform

Adopting DMP Vortex86-DX3 x86 single-chip SoC (6.5W ultra-low power 32-bit dual core processor, integrated CPU, graphics card, memory, IO southbridge, built-in floating-point unit, L1 16KB and 512KB unified L2 cache), standard onboard 2GB DDR3L soldered memory, PC/104 standard size industrial single board.

Appearance and power supply

Dimensions: 90.17mm × 95.86mm, board thickness 2.362mm, total height 11.05mm (excluding heat sink), weight 0.12kg; * * single channel+5V DC power supply * * (5V ± 5%, ripple ≤ 50mV), no ATX multi-channel power supply.

Power consumption: standby 5.20W (1.04A), typical full load 6.25W (1.25A).

Complete onboard interface resources

|Category | Interface Configuration|

|Network port | 1 Gigabit Intel I210IT PCIe network port, 1 100Mbps onboard Ethernet|

|Serial port | COM1/2: RS232/422/485 the third mock examination; COM3/4: RS232 only, 4 channels in total|

|Storage | Optional SATA 1.5G hard drive port, optional CFast Type II solid-state slot (SATA protocol)|

|Display | VGA Analog Output+18/24bit TTL LCD Interface, Supports VGA DDC Plug and Play|

|USB | 2-channel USB 2.0 EHCI|

|Peripherals | PS/2 keyboard and mouse, 8-channel TTL general-purpose GPIO, buzzer speaker, external reset/power button|

|Expansion | Standard 16 bit PC/104 ISA Stacked Bus with Full DMA Support|

|Real time clock | External 3V button battery backup RTC, static power consumption is only 5 μ A|

Operating system support

Native support for DOS, Windows XP/7, and various 32-bit Linux embedded systems; **Restriction * *: Vortex86-DX3 does not have complete ACPI, Win7/Linux cannot be soft shut down, and manual power-off is required after shutdown.

Environment and reliability

1. Working temperature: equipped with TM-20 full condition radiator -40 ℃~+85 ℃; Equipped with TM-10 radiator for 0-60 ℃; Storage -55~+85 ℃

2. Temperature and humidity: 5%~90% RH without condensation;

3. Mechanical: Meets MIL-STD-202F impact and random vibration standards;

4. MTBF: 200000 hours (25 ℃ environment).

Heat dissipation scheme

The original factory provides two passive aluminum heat sinks:

1. CM1-86DX3-TM-10 _A5:0~60 ℃ commercial operating conditions;

2. CM1-86DX3-TM-20-A5: Industrial grade with a wide temperature range of -40~85 ℃;

The radiator is fixed with 5 M2.5 screws, and the thermal pad is attached to the SoC, memory, and BMC chips. There are 4 air duct cooling schemes, and the manual provides the air volume temperature comparison curve and complete installation steps.

Standard Accessories

Machine model CM1-86DX3 (standard configuration includes 2GB DDR3, dual network, four-way serial port, etc.) TTL+VGA、CFast）； Comes with cable kit and two optional heat sinks.

Quick start-up process

1. Operation of anti-static workbench, prohibit hot swapping of hard drives/peripherals;

2. Connect 5V power supply (minimum 5A power supply), display, keyboard and mouse, and storage;

3. Power on, press DEL to enter BIOS when starting up, and F11 will bring up the startup menu;

4. It must be equipped with a heat sink, as no heat dissipation will permanently damage the motherboard.

Hardware Components and Connectors

2.1 Core chip layout (front and back)

1. U1 Vortex86-DX3 SoC: main control;

2. U7/U8/U9/U10 Micron DDR3L memory chips are soldered and cannot be replaced;

3. U21 Winbond W25Q16 Gigabit Ethernet EEPROM;

4. U22 Intel I210IT PCIe Gigabit Network Card;

5. U26/U27 EXAR SP339 (COM1/2 232/422/485 transceiver);

6. U28/U29 ADM213 (COM3/4 pure 232 transceiver);

7. U33 TM4C123 BMC onboard management MCU (optional), responsible for watchdog, temperature, voltage, fan, system logs;

8. Network port isolation transformers TF2 (gigabit) and TF3 (100Mbps).

2.2 Definition of All Connectors

Onboard 20+pin sockets, including PC/104 expansion socket, various serial ports USB、 Internet access, video CFast、SATA、GPIO、 Fan, power supply, battery, power button, debugging DB40, JTAG factory debugging port; All sockets are labeled with pin 1 identification, and the manual provides a complete location diagram.

2.3 LCD voltage jumper JP1/JP2/JP3

1. JP1: TTL interface voltage 1.8V/default 3.3V;

2. JP2: Backlight power supply 5V/default 12V;

3. JP3: LCD power supply 3.3V/5V;

Disconnect all jumpers to switch to 18 bit LCD mode.

Detailed definitions of various interface pins

1. Serial port

-COM1/COM2: Switching RS232/422/485 within BIOS, differential transceiver pin multiplexing;

-COM3/COM4: Fixed standard RS232 DB9 timing, the manual fully lists each pin's transmission and handshake signals.

2. USB2.0

Two independent 5-pin sockets with built-in overcurrent protection, including power supply, differential data, and shielded pins.

3. Utility multifunctional interface

Integrated PS/2 keyboard and mouse, external reset, speaker, RTC backup battery input.

4. Dual Ethernet

100Mbps network 8-pin socket, gigabit 10 pin socket, equipped with external network port LED indicator lamp holder, defining link and speed status signals.

5. TTL+VGA video

44 pin composite video interface, simultaneously outputting 18/24 bit LCD digital signal and standard VGA red green blue analog signal, supporting VGA DDC display communication.

6. Storage interface

-SATA: Standard 7-pin first generation SATA 1.5G;

-CFast 24 pin push-pull slot, compatible with CFast 1.1/2.0, SATA underlying protocol, with read/write status LED.

7. Power system

1. Main power supply: 10 pin socket, input+5V, and PC/104 extended 12V at the same time; triggering hardware reset as low as 4.65V;

2. RTC battery: 2-pin external 3V button battery, power off to maintain clock and CMOS;

3. External power button 2-pin socket.

8. GPIO

8-channel universal TTL input/output, independent and reusable simple serial port.

BIOS and System Management Tools

4.1 AMI BIOS Settings

1. Entry method: Power on DEL key; F11 Quick Start Item;

2. Five major settings pages: Main (time and memory), Advanced (serial/USB/IDE/remote console), Boot (boot sequence) PXE、 Display output selection), Security (administrator/user password), Exit (save/restore default);

3. Featured features: Serial console redirection (BIOS debugging without display), Oops fault recovery jumper.

Oops jumper CN15

When the BIOS parameters are out of order and unable to start, short-circuit the jumper to force the factory default configuration to be loaded and restore the system.

Hot Debugging Serial Port Cable

Short circuit the RTS/RI pins of the serial port to achieve screenless debugging of the console.

4.2 SEMA Intelligent Embedded Management Agent (BMC Supporting Tool)

BMC chips provide software and hardware monitoring APIs, with supporting tools for both Windows and Linux. Functions:

1. The overall running time, number of power ups, and restart counter of the machine;

2. Multi channel voltage and real-time current acquisition of the board;

3. Record the high and low values of onboard temperature;

4. Hardware watchdog WDT, software feeding dog automatically restarts after timeout;

5. Fault flashing code LED prompt, distinguishing between under voltage, over temperature, and power failure;

6. 1KB customer readable and writable Flash, 128 byte encrypted storage area storing serial number key;

7. Record the reason for restart (power failure/watchdog/external reset).

4.3 RTC Real Time Clock

It can be powered by an external battery, and without a battery, it will load at the default time upon startup. The operating system relies on a valid clock to function properly.

4.4 Watchdog Timer

The software feeds the dog regularly through SEMA API, and the whole machine is hard reset after timeout, used for unmanned industrial equipment to prevent crashes.

System resources

1. Memory address mapping: 4GB total addressing space, divided into DOS compatible area (0-1MB) and extended memory (1MB~4GB), with detailed partitioning of BIOS, VRAM, ISA extension, and PCI memory intervals;

2. IO address table: List DMA, PIC interrupt controllers, serial ports IDE、CMOS、 Standard IO ports such as watchdog;

3. PCI device registers: onboard gigabit network card VGA、USB、 Definition of bridge PCI bus address;

4. RTC register: clock/alarm/user backup RAM complete register;

5. Serial interrupt allocation: All hardware interrupts from IR0 to IR15 correspond to devices (timers, keyboards and mice, Ethernet ports, serial ports, hard drives, etc.).