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Chapter 1: Overview
Description
The XE–700 is a Single Board Computer (SBC) in the EPIC™ form factor. It is
intended for higher-performance, low-power embedded control applications. The
XE–700 SBC integrates serial communications, Ethernet, IDE hard disk port,
CompactFlash socket, floppy port, LPT parallel port, digital I/O, two USB ports,
PS/2 keyboard and mouse port, and video. The XE–700 SBC can be used in a stand-
alone mode or expanded through a PC/104 interface.
The XE–700 SBC comes with a BIOS loaded on a flash device for easy updates. It is
fully compatible with many popular operating systems.
XE–700 SBC major hardware features
CPU
The CPU is a high-performance, low-power STPC Atlas processor with a switch-
selectable clock speed of either 66 or 133 MHz. It uses the 83977 Super I/O for
some of the peripherals. The XE–700 SBC has an ISA bus speed of 8.33 MHz and a
PCI bus speed of 33 MHz.
SDRAM
The XE–700 comes with 64 MB surface-mount SDRAM.
On-board flash
On board is a 512 KB surface-mount boot flash that contains the BIOS.
CompactFlash socket
The CompactFlash socket accepts a Type I or Type II 3V CompactFlash card. The
CompactFlash appears as an IDE device to the system. It is implemented with an
ATA-4 compliant IDE controller, and appears in Setup as the Primary IDE device.
Hard disk and floppy ports
The XE–700 has two ATA-4 compliant IDE controllers. The primary channel is
dedicated to the CompactFlash. The secondary channel supports two additional
IDE devices through a 2 mm, 44-pin connector. This connector supplies power to
the devices. Octagon Systems has a 44-pin to 40-pin Hard Drive Adapter cable
(part #4080 or #6246) to connect IDE devices with a 40-pin interface.
The floppy port is terminated with a standard 34-pin connector and supports one
floppy drive.
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