AR-B1375/AR-B1376 User s Guide

OnBoard FDC

This option enables the floppy drive controller on the AR-B1375 and AR-B1376.

OnBoard Serial Port

This option enables the serial port on the AR-B1375 and AR-B1376.

OnBoard Parallel Port

This option enables the parallel port on the AR-B1375 and AR-B1376.

Parallel Port Mode

This option specifies the parallel port mode. ECP and EPP are both bidirectional data transfer schemes that adhere to the IEEE P1284 specifications.

Parallel Port DMA Channel

This option is only available if the setting for the parallel Port Mode option is ECP.

7.4 ADVANCED CHIPSET SETUP

This option controls the configuration of the board’s chipset. Control keys for this screen are the same as for the previous screen.

AMIBIOS SETUP - ADVANCED CHIPSET SETUP

(C) 1995 American Megatrends, Inc. All Rights Reserved

AT Bus Clock

14.318 / 2

Slow Refresh

60 us

Memory Hole At 15-16M

Disable

RAS Precharge time

1.5T

RAS Active Time Insert Wait

Disable

CAS Precharge Time Insert Wait

Disable

Memory Write Insert Wait

Disable

ISA I/O High Speed

Disable

ISA Memory High Speed

Disable

I/O Recovery

Disable

I/O Recovery Period

0 us

16Bit ISA Insert Wait

Disable

Available Options : 14.318/2 PLCK2/3 PLCK2/4 PLCK2/5 PLCK2/6 PLCK2/8 PLCK2/10 PLCK2/12

ESC:Exit ↑↓:Sel PgUp/PgDn:Modify F2/F3:Color

Figure 7-4 BIOS: Advanced Chipset Setup

AT Bus Clock

This option sets the polling clock speed of ISA Bus (PC/104).

NOTE: 1. PCLK means the CPU inputs clock.

2. Acrosser recommends user setting at the range of 8MHz to 10MHz.

Slow Refresh

This option sets the DRAM refresh cycle time.

RAS Precharge time

The DRAM RAS precharge time.

7-5

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Toshiba AR-B1376, AR-B1375, 386SX manual Advanced Chipset Setup

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.