Ampro Corporation LITTLE BOARD 5001451A - Manual (Page 9)

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Chapter 1
Introduction
General Description
The Little Board  P6d system is a high integration, high-performance Pentium-II based PC/AT-
compatible system that conforms to the EBX V1.1 specification. This rugged and high quality
single-board system contains all the component subsystems of a PC/AT PCI motherboard plus the
equivalent of up to six expansion boards. The Little Board P6d system meets the size, power
consumption, temperature range, quality, and reliability demands of embedded system applications.
Key functions on the Little Board P6d module include:
–
High-speed Pentium-II CPU
–
64-bit wide 3.3V SDRAM - up to 256MB
–
256KB Internal secondary cache
–
Embedded-PC BIOS in Flash EPROM
–
Four buffered serial ports (with RS232,
RS485, TTL options)
–
Two universal serial bus (USB) ports
–
Infrared (IrDA) port
–
Multi-mode IEEE-1284 parallel port
–
Floppy controller
–
Dual PCI-bus EIDE/UltraDMA drive
controllers
–
Flat panel/CRT display controller
–
Sound Blaster  Audio
–
Ethernet 100BaseT LAN interface,
–
CompactFlash solid-state IDE drive
support
–
Standard PS/2 Keyboard/Mouse and
speaker interfaces
In addition, Ampro has made many improvements to the architecture and firmware of the
traditional desktop PC to optimize it for embedded applications. Among the many embedded-PC
enhancements that ensure fail-safe embedded system operation and application versatility are a
watchdog timer, a powerfail NMI generator, serial console support, serial boot loader, non-battery
boot, failsafe boot, accelerated boot, on-board high-density CompactFlash disk, and BIOS extensions
for OEM boot customization.
System operation requires a single +5 Volt power source (and 3.3 Volts for low-voltage PCI
expansion cards, if required) and offers "green PC" power-saving modes under support of Advanced
Power Management (APM) BIOS functions.
Product Feature Summary
CPU/Motherboard
The Little Board P6d module has a fully compatible PC architecture, with a Pentium-II low-voltage
CPU.
For improved reliability in harsh thermal environments, the board implements a CPU thermal
sensor and configurable thermal-management control logic in the BIOS.