The Picotux 100 Module is being touted as the world's smallest linux computer, coming in at about the size of an RJ45 connector. Its manufacturer, Kleinhenz Elektronik, says it's equipped with a processor cranking along at 55 megahertz.

Its specs, provided by the maufacturer, are as follows:

Processor:
32-bit ARM 7 Netsilicon NS7520

Processor Clock:
55 MHz

Flash Memory:
2 MB

RAM:
8 MB SDRAM

Ethernet:
10/100 Mbit, HD and FD, auto sensing

Serial (TTL):
Up to 230.400 bps

General Input/Output Pins(TTL)
5, can be used as Handshake

LED for Ethernet
2; green (programmable) and yellow (Carrier)


Supply Voltage:
3,3 Volt +- 5%

Supply Current:
250 mA

Operating System:
uClinux 2.4.27 Big Endian (native)

Shell:
Busybox 1.0 and others

File Systems:
CRAMFS, JFFS2, NFS

Applications:
Webserver, Telnet

Size of the Linux Systems in Flash:
720 KB and more

Protected Bootloader for Update over Network:
64 KB Code

Development System:
GNU Tool chain

Compiler
GCC 3.4.4 for C/C++ and Fortran

Binutils
2.15

Library:
uClibc 0.9.26

Height:
19 mm

Width:
19 mm

Depth:
36 mm

Package:
Shielded by metal

Weight:
ca.18 g

Ambient Temperature:
-40°C to 85°C