Specifications

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Chapter 1
Product description
Overview
The EPC-8A, compatible with major PC software environments such as Microsoft
†
DOS,
Microsoft Windows
†
3.x, Microsoft Windows 95, and Microsoft Windows NT
†
is a highly
integrated PC-compatible computer designed specifically for use in the VMEbus and
extended VMEbus (VXIbus) environments.
The EPC-8A is available s either a Single- or Dual-slot 6U VMEbus module. The two
configurations are functionally identical, and differ only in that the two-slot module
includes mechanical support for two EXM modules.
The PC-compatible portion of the architecture includes these PC-standard features:
• Intel 486 processors:
• Dual-slot option: DX4-100 processor
• Single-slot option: DX4-100 processor
• 8, 16, or 32MB of DRAM, using an industry-standard 80ns fast page mode or EDO
72 pin SIMM.
• 512 KB Flash BIOS EPROM.
• RadiSys standard EXM expansion interface for adding PC-architecture peripherals
or interfaces.
• PhoenixBIOS
†
with RadiSys enhancements to support the additional on-board
features and VMEbus environment.
• Standard PC peripheral interfaces, including an RS232 serial port and a bi-directional
parallel port, all with standard interface connectors. The PS/2
†
-style keyboard
connector includes an adapter.
• All other standard PC architectural features, including an on-board speaker.
Additional features (some optional) include:
• SVGA interface based on the Chips and Technologies 65545 chipset, with 512 Kbytes
of video RAM providing local bus graphics performance and non-interlaced
resolutions to 1024 x 768, with 16 colors. The standard 15-pin connector for this port
is enhanced with a programmable output on pin 15, which is not connected on a
standard VGA interface.
• 10BASE-T Ethernet interface based on the National Semiconductor
†
AT/LANTIC
†
chip set, which provides emulation of Western Digital WD8013, Novell
†
NE2000 and
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