# LittleBoard™ 735

# Extreme Rugged™ EBX Single Board Computer with Intel®  Atom™ Processor

![Close-up of a green printed circuit board with various electronic components and connectors (no readable text or symbols)](.littleboard735-datasheet-en-1/6cd213dcb7cc27fd6d2e667979312576f1f1d938204f0f9e07bd98bc5b2b9efc.jpg)

![The image displays a rectangular sign or logo with a dark background and a light border. It features the text 'EXTREME' on the top line and 'RUGGED' on the bottom line in large, bold, white capital letters.](.littleboard735-datasheet-en-1/61f77447b732cc54535a4c5ab6ebcb61a81a3e94fe647308b74939dc6c55a47b.jpg)

# Features

Legacy migration solution
Dual Gigabit Ethernet
4x COM, 6x USB, audio
SATA, IDE, Compact Flash
PCIe Mini Card socket
Full-featured AtomTM platform
Extreme Rugged™ operating temperature: -40°C to +80°C

# Specifications

Core System

<table><tr><td>CPU</td><td>Intel® AtomTM Processor N270 1.6GHz</td></tr><tr><td>Cache</td><td>512KB Level 2</td></tr><tr><td>Memory</td><td>Up to 2GB DDR2 667 SODIMM</td></tr><tr><td>Chipset</td><td>Mobile Intel® 945GSE Express Chipset</td></tr><tr><td>FSB</td><td>533MHz</td></tr><tr><td>System Controllers</td><td>PC-compatible DMA and interrupt controllers and timers</td></tr><tr><td>Real Time Clock</td><td>Battery-backed RTC / CMOS</td></tr><tr><td>Watchdog Timer</td><td>Yes</td></tr><tr><td>Powerfail Reset</td><td>Triggers when key voltage drops below predetermined threshold</td></tr><tr><td>BIOS</td><td>AMI with ACPI 2.0</td></tr><tr><td>Expansion Buses</td><td>PC/104-Plus (PCI and ISA)</td></tr></table>

I/O Interfaces

<table><tr><td rowspan="2">PATA</td><td>Single Ultra DMA</td></tr><tr><td>CompactFlash socket</td></tr><tr><td rowspan="2">SATA</td><td>2 devices</td></tr><tr><td>PCIe Mini Card socket</td></tr><tr><td>Serial</td><td>4 ports, two are RS-232/422/485</td></tr><tr><td>Parallel</td><td>Floppy shared</td></tr><tr><td>USB</td><td>6 USB 2.0 ports ( $7^{th}$  available through PCIe Mini Card socket)</td></tr><tr><td>Keyboard/Mouse</td><td>PS/2 interface</td></tr><tr><td>Audio</td><td>High Definition Audio</td></tr><tr><td>GPIO</td><td>Eight general-purpose digital I/O pins</td></tr></table>

# Etherent

Dual Intel® 82574IT Gigabit Ethernet

Video

<table><tr><td rowspan="6">Controller</td><td>Integrated</td></tr><tr><td>Intel® GMA 950 core</td></tr><tr><td>Dual Channel 18-bit LVDS</td></tr><tr><td>Dual display with independent pipes</td></tr><tr><td>VGA via chipset DACs</td></tr><tr><td>TV-Out</td></tr></table>

Power

<table><tr><td>Power Requirements</td><td>2.4A @5V (with 2GB RAM, 100% loading)</td></tr></table>

Mechanical and Environmental

<table><tr><td>Form factor</td><td>EBX</td></tr><tr><td>Dimensions</td><td>203 x 146 mm (8.00 x 5.75&quot;)</td></tr><tr><td>Board Thickness</td><td>2.36 mm (0.093&quot;)</td></tr><tr><td>Operating Temperature(100 LFM system air flow)</td><td>Standard: -20°C to +70°CExtreme RuggedTM: -40°C to +80°C</td></tr><tr><td>Storage Temperature</td><td>-55°C to +85°C</td></tr></table>

# Operating Systems

Standard Support Windows XP, Linux Extended Support (BSP) Win XPe, WinCE 5.0/6.0, VxWorks 5.5/6.6, QNX 6.3/6.4

Ordering Information
Modules

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>LB-735-R-18</td><td>LittleBoardTM 735, 1.6 GHz AtomTM N270, PC/104-Plus, Dual Ethernet, SATA, CompactFlash, Video, 0MB DDR RAM, passive heatsink, industrial operating temperature -20°C to +70°C, RoHS</td></tr><tr><td>LB-735-P-18</td><td>LittleBoardTM 735, 1.6 GHz AtomTM (clockdown to 800MHz) CPU, 0MB DDR RAM, video, Ethernet, passive heatsink, extreme rugged operating temperature -40°C to +80°C</td></tr><tr><td>LB-735-F-18</td><td>LittleBoardTM 735, 1.6 GHz AtomTM CPU, 0MB RAM, video, Ethernet, heatsink with fan for extreme rugged operating temperature -40°C to +80°C</td></tr><tr><td>LB-735-L-18</td><td>LittleBoardTM 735, 1.6 GHz QuickStart Kit, R-8 Board with 1GB DDR2 RAM, cables, passive heatsink documentation, software, RoHS</td></tr></table>

Accessories

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>DDR2 Memory</td><td>Verified industrial grade 1GB, 2GB DDR2 SODIMM memory available</td></tr></table>

Recommended Configurations

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>LB-735-R-18, 1G, 512MB CF (ETT), (CC)</td><td>LB-735-R-18, 1G industrial grade RAM, 512MB CF card installed, -20°C to +70°C (optional), coating (optional)</td></tr><tr><td>LB-735-R-18, 2G (ETT), (CC)</td><td>LB-735-R-18, 2G industrial grade RAM, -20°C to +70°C (optional), coating (optional)</td></tr><tr><td>LB-735-F-18, 2G (ETT)</td><td>LB-735-F-18, 2G industrial grade RAM, -20°C to +80°C (optional)</td></tr></table>
[🔗 Link to the original document](.littleboard735-datasheet-en-1/littleboard735-datasheet-en-1.pdf)