Specifications

EPC-33/34 Hardware Reference
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• The EPC-33 uses the Intel486-DX2 @ 50MHz.
The EPC-34 uses the IntelDX4 @ 100MHz.
• One 72-pin socket for a SIMM providing 4, 8, 16, or 32MB of DRAM.
• Flashable Phoenix BIOS.
• PicoPower PC/AT chipset provides:
- High performance DRAM controller
- Two 8259 Programmable Interrupt controllers
- Two 8237 DMA controllers
- 8254 Programmable Timer Counters
- 146818 Compatible Real Time Clock with 114 bytes of battery-backed
CMOS RAM available
- Enhanced IDE (EIDE) hard drive interface
• One RS232C serial port (COM1) available via DB-9 connector on the end plate.
• One serial port (COM2) as RS232 or RS422/485 available via shared header
connector.
• IEEE 1284-1 compatible Parallel printer port (LPT1) available via shared
header connector. Supports ECP mode.
• Floppy drive controller accessed via header connector.
• Enhanced IDE hard drive interface accessed via 2.5”-standard 2mm pitch 44-
pin header connector.
• PC / PS-2 compatible keyboard interface on the end plate or header connector on
board.
• Standard ISA-bus cardedge connector.
Options
• Local bus Cirrus Logic CL-GD7543 (“Viking”) Super VGA/flat panel controller
with 1MB of video memory
- Supports Super VGA modes up to 800x600 on flat panel displays, and
CRT displays up to 1024x768 256 colors (non-interlaced).
- Supports simultaneous CRT displays and LCD displays.
- SVGA is available via 15-pin D-sub on end plate and 10-pin header.
- Flat panel support provided through a shrouded 44-pin header.
- Video input is available through standard feature connector.
- Software programmable flat panel contrast control
- Software programmable flat panel backlight control.
• FLASH/SRAM option includes:
- Up to 8 MB of Flash memory using the M-Systems Flash File System.
- 256 KB of battery-backed SRAM.