Net4521
Soekris Engineering
Soekris Engineering net4521

This compact, low-power, advanced communication computer is based on a 133 Mhz 486 class processor. It has two 10/100 Mbit ethernet ports, up to 64 Mbyte SDRAM main memory and uses a CompactFlash module for program and data storage. It can be expanded using a MiniPCI type III board and up to two PC-Card/Cardbus adapters.

It has been optimized for use as wireless router using PC-Card wireless adapters, but has the flexibility to take on a whole range of different functions as a communication appliance. The board is designed for long life and low power.


Specifications:

100/133 Mhz AMD ElanSC520
16-64 Mbyte SDRAM, soldered on board
1 Mbit BIOS/BOOT Flash
CompactFLASH Type I/II socket, 8 Mbyte FLASH to 1Gbyte IBM Microdrive
1-2 10/100 Mbit Ethernet ports, RJ-45
1 Serial port, DB9.
Power LED, Activity LED, Error LED
Mini-PCI type III socket. (t.ex for optional hardware encryption.)
2 PC-Card/Cardbus slots, for wireless adapters
8 bit general purpose I/O, 14 pins header
Hardware watchdog
Board size 9.2" x 5.7"
Power using external power supply is 11-56V DC, max 14 Watt
Option for 5V supply using internal connector
Supports Power over Ethernet according to the 802.3af standard
Operating temperature 0-60 �C

Software:

comBIOS for full headless operation over serial port
PXE boot rom for diskless booting
Designed for FreeBSD, NetBSD, OpenBSD and Linux
Runs most realtime operating systems
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