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Diamond Point International

Aitech A171 - A171 Rugged Compact PC with MIL-C-38999 Connectors

Based on ARM Cortex M4 running at 100 MHz

Introduction

Aitech's A171 Rugged Compact PC (RCP) is a small, low power, high performance Core™ i7 based rugged computer.

With the latest Core i7 processor from Intel a wide variety of I/O interfaces, small form factor, low power dissipation, and very rugged design, this computer can be used for any application that requires a high performance reliable PC.

This RCP consists of a rugged environmentally sealed aluminum enclosure housing all the necessary electronics, connectors and power supplies. The enclosure's footprint dimensions are 260mm x 180mm, its height is 45.2 mm, and it weighs less than 2.5 kg. Typical power consumption is less than 40 Watts.

The system comprises an Aitech COTS C802 Core i7 CompactPCI SBC coupled with an I/O and power interface board, both of which are hard mounted to the inside of the system front panel. This design results in an extremely rugged computer, and enables the front panel to be serve as a heatsink for high efficiency cooling of the system's high power components.

Two military circular MIL-C-38999 Series III front panel connectors are used to interface the PC to the external equipment. A 5-pin input power connector is used to connect standard, MIL-STD-704D compliant 28Vdc power to the PC through a line filter that protects the internal electronic components from spikes that could harm the system. A larger connector is used for connecting all the PC I/O signals. For highest reliability in harsh environments, the connectors are soldered directly to the system PC board.

The RCP is based on Intel's Calpella (Arrandale + ECC) platform, dual-core processor and four threads (Intel Hyper-Threading® Technology) with large integrated on-chip L1, L2 caches and shared L3 cache with a companion QM57 PCH I/O controller hub.

The processor’s integrated 2D/3D graphics controller supports graphics and video processing and provides CRT and DVI output channels.

The RCP integrates large memory arrays to support processor and user application needs. Memory resources include up to 4 GB of fast DDR3 SDRAM with ECC protection and up to 64 GB of SATA SSD (based on NAND Flash media) for user/application-specific parameter storage.

In addition to its high-performance processor architecture, the RCP provides lots of I/O, including two Gigabit Ethernet ports, two Fast Ethernet ports, two USB 2.0 ports, four UART serial ports, eight discrete I/O lines, a stereo High Definition Audio Interface (output or input), plus DVI and VGA (CRT) outputs. For future functionality expansion, the RCP design includes an option for two opto-isolated CANbus 2.0B interfaces. These interfaces will be implemented only if and when this function will be requested.

The RCP is housed in a rugged compact Faraday cage chassis that has been designed for survivability and full functionality under the extreme conditions of temperature, shock, vibration, acceleration, altitude, and humidity that are to be expected in military airborne and ground applications. The design ensures maximum reliability even when the unit is mounted near aircraft engines or other high vibration locations. Superior EMI/RFI performance is assured by the Faraday cage design of the chassis and on-board filtering of I/O signals.

Specification

CPU

CPU SpecCore™ i7 @ 2.53/2.0/1.33GHz
• Two Cores/Four Threads
• High Performance Graphics Controller
• Intel Virtualization Technology for Directed I/O (Intel VT-d)
• Streaming SIMD Extensions 4.2 (Intel SSE4.2) SSE 4.2
MemoryUp to 4GB DDR3 SDRAM with ECC @ 1066MHz
GraphicsCRT and DVI Display Outputs
NetworkTwo Gigabit Ethernet Ports
Two Fast Ethernet Ports
StorageUp to 64GB SATA Flash Disk (SSD)
USBTwo USB 2.0 Ports
SerialFour RS-232/422/485 UART Ports
AudioHigh Definition Audio (In or Out)
OtherEight Discrete I/O Lines
Two CANbus Controllers (Optional)

System Resources
• Two Temperature Sensors
• Real Time Clock
• Avionics Windowed Watchdog Timer
• Trusted Program Module (TPM)
• Elapsed Time Recorder (ETR)
• Intelligent Platform Management Interface (IPMI)

Rugged Compact and Lightweight
• Powered from a standard 28V input per MIL-STD-704D
• Faraday Cage Enclosure
• Environmentally Sealed (IP65)
• Natural Convection Cooled
• Low Power Consumption
• Operating Temperature -40 to +71 °C (A171U)
• EMI/RFI filtering of I/O signals per MIL-STD-461E
BIOS4MB BIOS Flash
Dual Redundant BIOS Flash

General

ElectricalThe A171 is powered by a standard 28Vdc nominal power supply per MIL-STD-704D (with 18V minimum input voltage).
i7-620LE @ 2.0GHz: 20.4/41.4W
i7-660UE @ 1.33GH: 19.9/31.8W
* Values are Idle/PassMark
MechanicalDimensions: 260 x 180 x 45.2 mm (H x W x D)
Conformal CoatingN/A
SoftwareRefer to datasheet
TemperatureTemperature range (operation, A171U): -40 to +71C
Temperature range (operation, A171L): -40 to +55C
Temperature range (storage): -55 to +85C
HumidityHumidity Method 507.4
Weight< 2.5kg
AltitudeAltitude (operating) Method 500.4 Proc II: -400 to +5,000m
Altitude (non-operating) Method 500.4 Proc I: -400 to +12,000m
VibrationMethod 514.5, Procedure I, Category 20 - Ground Vehicles, and Fig. 514.5C-3.
ShockMethod 516.5, Proc. I 20g/11ms, three axes; two directions per axis
EMCMIL-STD-461E
RS101, RS103, RS105,
CS101, CS109, CS114,
CS115, CS116, RE101,
RE102, CE101, CE102
Warranty1 Year
RoHSCompliant

Ordering Details

BoardRefer to datasheet for ordering part number scheme
AccessoriesN/A

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