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Rugged, Low Power PC/104-Plus Single Board Computer with 500MHz AMD Geode LX800

Pegasus is a rugged, fan-less PC/104-Plus SBC which features the AMD Geode LX800 low power consumption processor running at 500MHz. It has 256MB of high speed DDR SDRAM soldered on-board and 2GB IDE flashdisk on-board. Pegasus offers fully integrated PC functionality with low power consumption which allows Pegasus to operate in harsh environments where the airflow for heat dissipation is restricted and fans are unacceptable. Its ruggedability gives it the power to perform round-the-clock in unattended environments.

Other features of Pegasus includes high speed 10/100Mbps Ethernet LAN and ample I/O interfaces, 2 serial ports, 4 USB 2.0 ports, 1 IDE 44-pin interface capable of supporting two IDE drives, Compact Flash Type-II socket, PC/104-Plus expansion bus, LCD & CRT interface, and watchdog timer. Pegasus has all the necessary features and expansion capability in 4.050" X 3.775" form factor, which makes it ideal for applications where space is limited but multiple I/O configurations are needed. Pegasus supports Windows XP, Windows XPe, Windows CE 5.0, and Linux.


• Low Power PC/104-Plus CPU Module
• AMD Geode LX800 Processor fan-less at 500MHz
• 256MB SDRAM on-board
• 10/100Mbps Ethernet
• ATA/IDE : 1 x Ultra DMA 33 IDE drives
• 2GB on-board IDE flashdisk
• 1 x Type II CompactFlash Socket
• Support CRT and 18/24 bit TTL
• 4 x USB 2.0 Ports and 2 x Serial Ports
• PC/104-Plus (ISA + PCI) bus expansion
• -40ºC to +85ºC operating temperature

System Block Diagram


CPU and System


AMD Geode LX800 processor fan-less at 500MHz


64KB L1 cache and 128KB L2 Cache


256MB SDRAM on-board


AMD LX800 + CS5536


Phoenix-Award PnP Flash BIOS

Mass Storage

1 x Ultra DMA 33, supports 2 IDE devices including:
1 x CompactFlash IDE Type II Socket


Speaker Out

Watchdog Timer

255-level Reset


Serial Port

1 x RS-232 ports (COM1)
1 x RS-232/422/485 port (COM2)

USB Port

4 x USB 2.0 ports


1 x PS/2 Keyboard and Mouse

Expansion Bus

1 x PC/104-Plus (ISA & PCI) interface



Realtek 8100CL 10/100Base-T Ethernet


Graphics Chipset

AMD Geode LX800 CPU integrated VGA controller
with 2D Engine (Shared memory Max. 64MB)

Graphics Interface

LCD support 18/24 bit TTL up to 1280 x 1024


Power Input

5V +/-5%

Power Consumption

5W typical (1A)

Operating Temperature

-40ºC to +85ºC

Operating Humidity

0 - 90% (non-condensing)

Dimensions (W X H)

4.050" x 3.775"


MIL-STD-202G Table 213-1 J
Half-Sine Wave Shock
30 G, 11ms: 3 time shocks at both directions per axis: Vertical / Transverse / Longitudinal


MIL-STD-202G Method 204, Modified Condition I A
Random Vibration
Axes: Vertical / Transverse / Longitudinal
20-2000Hz: 20-100Hz at 6dB/octave, 100-1000Hz at 0.04G^2/Hz, 1000-2000Hz at -6dB/octave
Sine Sweep Vibration
Axes: Vertical / Transverse / Longitudinal
10-2000Hz: 10-57Hz at 0.6", 57-2000Hz at 10G, sweep rate 20 minutes per cycle


87,400 hours




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