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Chapter 1 About this Manual
2 Reference Manual LittleBoard 550
Chip (integrated circuits) specifications used on the LittleBoard 550:
• VIA Technologies, Inc. the Eden™ ESP processors, and the chips, VT8606 and VT82C686B,
used for the Northbridge/Video controller and Southbridge respectively
Web site: http://www.viatech.com
• Winbond Electronics, Corp. and the W83877TF chip used for the secondary I/O controller
Web site: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/877tf.pdf
• Intel Corporation and the chip, 82551ER, used for the Ethernet controllers
Web site: http://developer.intel.com/design/network/products/82551er_DS
Related Ampro Products
The following items are directly related to successfully using the Ampro product you have just
purchased or plan to purchase. Ampro highly recommends that you purchase and utilize a
LittleBoard 550 QuickStart Kit or Development System.
LittleBoard 550 Support Products
• LittleBoard 550 QuickStart Kit (QSK)
The QuickStart Kit includes the LittleBoard 550, RAM, an I/O interface board, a cable kit,
documentation, and drivers for the unique devices used with Ampro supported operating systems.
• LittleBoard 550 Development System
The Development System is a benchtop system, which provides a “known good” environment for
your development work. The Development System provides an integrated and easy-to-use self-
hosted development environment that lets you maximize the benefit of using an off-the-shelf
board as the basis of your embedded system design. You can install ISA bus or PCI bus
expansion boards on the Development System chassis. The Development System is arranged to
make all the components of your system accessible. Refer to the LittleBoard 550 Development
System Users Guide on the LittleBoard 550 Documentation and Support Software (Doc & SW)
CD-ROM for more information.
• LittleBoard 550 Documentation and Support Software CD-ROM
The LittleBoard 550 Documentation and Support Software (Doc & SW) CD-ROM is provided
with the LittleBoard 550. The CD-ROM includes all of the LittleBoard 550 documentation in
PDF format, including this reference manual, the LittleBoard 550 QuickStart Guide, the
LittleBoard 550 Development System Users Guide, software utilities, board support packages,
and drivers.
Other LittleBoard Products
• LittleBoard 700 – This EBX single board computer (SBC) is a highly integrated, high-
performance, rugged, high quality system based on Intel's 933MHz Low Voltage Pentium® III,
650MHz Low Voltage Celeron®, or 400MHz Ultra Low Voltage Celeron processors. In addition
to the standard LittleBoard features (EBX form factor, PC/104 & PC/104-Plus interfaces, +5 volt
power, watchdog timer, serial console, etc.), the LittleBoard 700 supports up to four EIDE Ultra
DMA 33/66/100 IDE drives including a CompactFlash™ socket, two floppy disk drives, one
ECP/EPP parallel port, four RS232/422/485 serial ports, four USB V1.1 ports, two Ethernet
ports, IrDA, AC'97 audio interface, and PS/2 keyboard & serial mouse. It also supports Ampro
BIOS extensions for OEM boot customization, power management features, up to 1GB of
SDRAM in an DIMM slot, up to 32MB UMA of AGP 4X video with built-in LVDS, CRT, and
36-bit TFT support.