AR-B1375/AR-B1376 User s Guide

4.1.2 CRT Connector (DB1)

DB1 is used to connect with a VGA monitor when you are using the on-board VGA controller as display adapter. Pin assignments for the DB1 connector is as follows:

NOTE: DB1 on the AR-B1375 is not functional. Its function is always used on the AR-B1376 CPU board.

DB1 (CRT Connector) 6

111 1 Red

2 Green

2

3

Blue

3

13

Horizontial Sync

14

Vertical Sync

4

4, 9, 11, 12, & 15 Not Used

5 & 10 Ground

5

15 6, 7 & 8 AGND

10

Figure 4-1 DB1: CRT Connector

4.2 LCD FLAT PANEL DISPLAY

This section describes the configuration and installation procedure for a LCD display. Skip this section if you are using a CRT monitor only.

Using the Flash Memory Writer utility to download the new BIOS file into the ROM chip to configure the BIOS default setting for different types of LCD panel. And then set your system properly and configure the AR-B1376 VGA module for the right type of LCD panel you are using.

If you are using a different LCD panel other than those listed, choose from the panel description column which type of LCD panel you are using.

The following shows the block diagram of using AR-B1376 for LCD display.

AR-B1376 CPU Boad

LCD Panel

VBL Control +12V, +5V

VEE

Inverter Board

FL HIGH Voltage

Figure 4-2 LCD Panel Block Diagram

The block diagram shows that the AR-B1376 still needs components to be used for LCD panel. The inverter board provides the control for the brightness and the contrast of the LCD panel while the inverter is the one that supplies the high voltage to drive the LCD panel. Each item will be explained further in the section.

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Toshiba AR-B1376, AR-B1375, 386SX manual CRT Connector DB1, LCD Flat Panel Display

386SX, AR-B1376, AR-B1375 specifications

The Toshiba AR-B1375 and AR-B1376 are notable embedded computing solutions that incorporate the 386SX microprocessor architecture. Designed for various applications, these models focus on reliability, performance, and versatility, making them appealing choices for system integrators and developers.

At the core of the AR-B1375 and AR-B1376 is the Intel 386SX microprocessor. This landmark processor marked a significant advancement in computing technology, introducing a 32-bit architecture while maintaining compatibility with 16-bit applications. The 386SX is known for its efficient processing capabilities, offering both multitasking support and enhanced memory management. It operates at clock speeds ranging typically from 16 MHz to 25 MHz, contributing to its effectiveness in running industrial applications.

One of the key features of the AR-B1375 and AR-B1376 systems is their modular architecture, which allows for easy customization and expansion. This modularity means users can tailor the hardware according to specific requirements, making it suitable for a wide range of applications such as automation, telecommunications, and embedded systems.

Both models support various I/O options, ensuring seamless integration with peripherals and external devices. They typically come equipped with serial and parallel ports, as well as support for modern interfaces like USB. The systems also feature onboard expansion slots, enabling the addition of further functionality, such as additional memory or specialized processing units.

In terms of memory, the AR-B1375 and AR-B1376 support a range of RAM configurations, allowing users to scale their systems based on the application demands. The inclusion of EPROM and EEPROM options also facilitates easy updates and programmability, which is crucial for embedded systems that often require firmware adjustments over time.

Moreover, these models are known for their robust thermal management features, which are essential in industrial environments where conditions can be harsh. This capability ensures stable performance and longevity, reducing the risk of system failures due to overheating or environmental factors.

To summarize, the Toshiba AR-B1375 and AR-B1376, coupled with the 386SX microprocessor, offer a blend of performance, flexibility, and reliability. Their modular design, extensive I/O support, and memory scalability make them ideal for a variety of embedded computing applications, placing them as commendable options in the world of industrial computing solutions. These systems not only exemplify Toshiba's commitment to innovation but also contribute significantly to the functionality of embedded technologies in a rapidly evolving industry.