Comprehensive Product Summary – Nuvo‑2421 Industrial Fanless PC

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### 1. Product Overview

Product Name: Nuvo‑2421
Model: Nuvo‑2421
Series: Nuvo‑2400 Series (Fanless Shoe‑Box Industrial PC)
Article Number: Nuvo‑2421
Manufacturer: Neousys Technology Inc.
Website: [www.neousys‑tech.com](https://www.neousys-tech.com)

The Nuvo‑2421 is a compact, rugged, fanless industrial computer designed for embedded control, automation, and machine‑vision applications. It belongs to the Nuvo‑2400 Series, which integrates Intel® Bay Trail architecture for high efficiency and low power consumption. The system combines a quad‑core Intel® Celeron® J1900 processor with multiple expansion slots (two PCI and one PCIe x4), dual Gigabit Ethernet ports, dual independent display outputs, and wide‑range DC power input. Its robust design supports operation from ‑25°C to +70°C under full CPU load, making it suitable for harsh industrial environments.

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### 2. Key Features

- Intel® Celeron® Bay Trail J1900 Quad‑Core Processor (2.42 GHz, 2 MB Cache)
Provides a balance of performance and energy efficiency with a 10 W TDP, delivering roughly three times the performance of previous Atom D525/D2550 platforms.

- Fanless, Rugged Design
Operates reliably in ‑25 °C to +70 °C ambient temperature at 100 % CPU load. The sealed aluminum chassis ensures passive heat dissipation and silent operation.

- Triple Expansion Capability
Offers two 32‑bit PCI slots (33 MHz) and one PCI Express x4 slot (Gen 2, single‑lane signal) for add‑on cards such as data acquisition, motion control, or frame grabbers.

- Dual Independent Display Outputs
A DVI‑I connector supports both VGA and DVI/HDMI outputs, enabling dual‑display configurations up to 2560 × 1600 resolution.

- Dual Intel® I210 Gigabit Ethernet Ports
Support PXE boot, teaming, and Wake‑on‑LAN for network redundancy and remote management.

- Rich I/O Connectivity
Includes 1 × USB 3.0, 3 × USB 2.0, 4 × COM ports (2 × software‑configurable RS‑232/422/485, 2 × RS‑232), 1 × parallel port, audio I/O, and optional isolated digital I/O.

- Optional 8‑Channel Isolated Digital Input and Output
3750 Vrms isolation, 24 V DC rated, compatible with industrial sensors and actuators.

- Dual 2.5‑inch SATA Storage Bays
Two internal SATA 2.0 ports allow installation of HDDs or SSDs for system and data separation.

- Wide‑Range DC Power Input (8 – 25 V DC)
Integrated power circuitry with 3‑pin pluggable terminal block for direct field wiring.

- Compact “Shoe‑Box” Form Factor
Dimensions 139 × 160 × 225 mm, weight 2.2 kg, supporting wall‑mount or optional DIN‑rail installation.

- Industrial‑Grade Reliability
Vibration tolerance 5 Grms (5–500 Hz, 3 axes) and shock resistance 50 Grms (11 ms half‑sine) per IEC 60068‑2‑64/‑27.

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### 3. Technical Specifications

| Category | Specification |
|---------------|------------------|
| Processor | Intel® Celeron® Bay Trail J1900 Quad‑Core, 2.42 GHz, 2 MB Cache |
| Chipset | Intel® ICH8‑M |
| Graphics | Integrated Intel® HD Graphics |
| Memory | 1 × 204‑pin SO‑DIMM socket, up to 8 GB DDR3L‑1333 MHz SDRAM (1.35 V) |
| Storage | 2 × SATA 2.0 ports for 2.5″ HDD/SSD |
| Expansion | 2 × PCI (33 MHz, 32‑bit), 1 × PCIe x4 (Gen 2, 1‑lane) |
| Ethernet | 2 × Intel® I210 Gigabit Ethernet ports (PXE, Teaming, WoL) |
| Display | 1 × DVI‑I connector (VGA + DVI/HDMI dual independent output, up to 2560 × 1600) |
| USB | 1 × USB 3.0 (xHCI), 3 × USB 2.0 (EHCI) |
| Serial Ports | 2 × RS‑232/422/485 (COM1/COM2, BIOS‑selectable), 2 × RS‑232 (COM3/COM4) |
| Parallel Port | 1 × LPT (2 × 13 pin header, optional D‑sub panel kit) |
| Audio | Realtek ALC262 Codec (1 × Mic‑in, 1 × Speaker‑out) |
| Digital I/O (Optional) | 8 × Isolated DI (24 V sink type), 8 × Isolated DO (MOSFET open drain, 24 V 200 mA rated, 30 V max, 3750 Vrms isolation) |
| Power Input | 8 – 25 V DC via 3‑pin pluggable terminal block |
| Dimensions | 139 mm (W) × 160 mm (H) × 225 mm (D) |
| Weight | 2.2 kg |
| Mounting | Wall‑mount (standard) or DIN‑rail (optional) |
| Operating Temperature | ‑25 °C to +70 °C @ 100 % CPU load (with SSD or wide‑temp HDD) |
| Storage Temperature | ‑40 °C to +85 °C |
| Humidity | 10 % – 90 %, non‑condensing |
| Vibration | 5 Grms, 5–500 Hz, 3 axes (w/ SSD, no add‑on card) |
| Shock | 50 Grms, 11 ms half‑sine (w/ SSD, no add‑on card) |
| EMC Compliance | CE/FCC Class A (EN 55022 & EN 55024) |

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### 4. Functionality

The Nuvo‑2421 operates as a compact industrial controller or embedded PC. Its fanless architecture uses a solid aluminum chassis as a heat sink, ensuring silent and maintenance‑free operation. The system’s Intel® J1900 processor provides sufficient computing power for automation control, data acquisition, machine vision, and communication gateway tasks.

Use Cases and Applications:
- Industrial automation and process control
- Machine vision and inspection systems
- Data logging and SCADA front‑end nodes
- Transportation and mobile equipment control
- Networked kiosks or digital signage
- Laboratory instrumentation and test benches

Compatibility:
- Operating Systems: Windows 7/8/8.1 (32/64‑bit), Ubuntu 14.04 or later
- Supports BIOS‑configurable COM modes (RS‑232/422/485)
- Wake‑on‑LAN and remote power‑on/off control for remote management
- Supports external LEDs and switches for cabinet integration

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### 5. Components & Accessories

Included Items:
1. Nuvo‑2421 fanless industrial computer
2. Accessory box containing:
- HDD bracket for SATA #1
- SATA cable for SATA #2
- Wall‑mounting brackets (2 pcs)
- Neousys Drivers & Utilities DVD
- M3 flat‑head screws (11 pcs)
- 3‑pin pluggable terminal block for DC input

Optional Accessories:
- 60 W AC/DC power adapter (12 V / 5 A)
- Panel/cable kit for 2 × COM ports
- Panel/cable kit for 1 × COM + 1 × LPT port
- Isolated DIO module (8 DI + 8 DO)
- DIN‑rail mounting clip kit

Connectors:
- Front panel: Power button, Reset button (hidden), LED indicators (PWR, HDD, WDT), Ethernet ports, DVI‑I, USB, Audio, DC input
- Internal: COM3/COM4 headers, Parallel port header, SATA connectors, Remote status and on/off headers

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### 6. Installation & Setup

Requirements:
- DC power supply 8–25 V DC (typical 12 V / 5 A adapter)
- 1.35 V DDR3L SO‑DIMM memory (up to 8 GB)
- 2.5″ SATA HDD or SSD for storage

Mounting Options:
- Wall‑Mount: Attach brackets to rear panel using M4 screws; mount via keyhole slots.
- DIN‑Rail Mount: Optional clip kit for cabinet installation.
- Flat Surface: Use bottom brackets for bench mounting.

Configuration Steps:
1. Remove side cover to access internal slots and memory socket.
2. Install DDR3L SO‑DIMM module and secure add‑on cards (≤ 12 W total power draw).
3. Mount HDD/SSD to brackets and connect SATA cables.
4. Connect DC power via terminal block (V+ to positive, GND to negative).
5. Power on using front button or external switch (AT/ATX mode).
6. Configure BIOS for COM mode, SATA mode (AHCI recommended), and power options.
7. Install OS and drivers from Neousys DVD (automatic or manual installation).

Remote Control & Indicators:
- 3‑pin header for remote on/off switch (AT or ATX mode)
- 2 × 6‑pin header for external LED status outputs (PWR, HDD, LAN, WDT, Reset)

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### 7. Performance & Capabilities

- CPU Performance: Intel® Celeron® J1900 quad‑core (2.42 GHz burst), 10 W TDP, approx. 3× Atom D525 performance.
- Graphics: Integrated Intel® HD Graphics supports dual display up to 2560 × 1600.
- Memory Bandwidth: DDR3L‑1333 MHz, single channel, up to 8 GB.
- Storage Throughput: SATA 2.0 (3 Gb/s) interface for dual drives.
- Network: Dual GbE with PXE boot, teaming, and Wake‑on‑LAN.
- Digital I/O Performance: DI logic high 5–24 V, low 0–1.5 V; DO rated 200 mA @ 24 V, < 2 µs on time, < 0.3 µs off time.
- Power Efficiency: Low power consumption enables fanless operation and extended temperature range.
- Limitations: Total add‑on card power ≤ 12 W recommended to maintain thermal stability; for higher loads, optional fan kit suggested.

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### 8. Standards & Compliance

- EMC: CE and FCC Class A compliance (EN 55022 & EN 55024)
- Safety: Meets industrial vibration and shock standards (IEC 60068‑2‑64 and ‑27)
- Environmental: RoHS compliant; wide‑temperature operation requires SSD or wide‑temp HDD.
- Network: Supports IEEE 802.3 Gigabit Ethernet standards.
- BIOS Features: Watchdog Timer for boot protection, Wake‑on‑LAN, Power‑on after power failure, C‑States control, AHCI support.

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### 9. Additional Information

Warranty & Support:
Neousys Technology provides standard manufacturer warranty and technical support through authorized distributors. Firmware and driver updates are available via the Neousys website.

Maintenance:
The fanless design requires minimal maintenance. Periodic inspection of DC connections and dust removal from external surfaces is recommended. For systems with HDDs, use industrial or wide‑temperature drives for reliable operation in extreme conditions.

Software Utilities:
- Neousys Drivers & Utilities DVD with “one‑click” driver installation.
- WDT & DIO Library (WDT_DIO_Setup.exe) for programming watchdog and digital I/O functions in Windows environments.
- Sample code and API documentation included for custom application development.

Watchdog Timer (WDT):
Programmable timeout (1–65535 ticks, seconds or minutes), system reset on expiry, LED indicator status. Configurable in BIOS or via software library.

Digital I/O Programming:
API functions for InitDIO, DIReadLine/Port, DOWriteLine/Port, and checked write operations allow precise control of isolated channels for industrial automation.

Operating System Support:
- Windows 7 (32/64‑bit)
- Windows 8/8.1 (32/64‑bit)
- Ubuntu 14.04 or later
Linux users may need to compile Intel I210 network drivers if not included in kernel.

Documentation:
- Nuvo‑2400 Series User’s Manual (Rev. 1.0, Sept 2015)
- Detailed BIOS setup, installation guides, and API references included.

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### Summary

The Neousys Nuvo‑2421 is a robust, compact, and highly expandable fanless industrial PC engineered for demanding automation and embedded applications. With its Intel® Celeron® J1900 quad‑core processor, dual GbE, dual display, and triple expansion slots, it delivers a flexible platform for system integrators requiring legacy PCI support alongside modern PCIe interfaces. The system’s ‑25 °C to +70 °C operating range, 8–25 V DC input, and rugged mechanical design ensure reliability in harsh environments. Optional isolated digital I/O, remote control interfaces, and comprehensive BIOS features make it ideal for industrial control, machine vision, and embedded automation deployments.