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Wrt54gThe WRT54G is a Linux-based wireless (802.11-G) router manufactured by the Cisco Linksys corporation. Since its original release, it has gone through several revisions. The GPLed source code for the firmware has been made available, excluding the Broadcom wireless chipset drivers, which are available as binary only. This availability makes it possible for Linux enthousiasts to create modified firmwares for the device, changing or adding functionality. Several projects exist, among them the OpenWRT project, the Sveasoft firmwares, and the HyperWRT firmware. The latter two extend the official firmware with new features, the OpenWRT firmwares are module-based releases which allow for selective install of features. The WRT54G kernel is based on Linux 2.4. A related product, the WRT54GS, adds support for the Cisco Linksys Speedbooster or Afterburner functionality. In combination with a Speedbooster wireless network adapter, this functionality can increase the wireless connectivity speed. The WRT54G has a 125 MHz (earlier versions) or 200 MHz (later ones) 32 bit MIPS-derived CPU manufactured by Broadcom and contains 2 integrated Ethernet controllers and 4-8 MB of Flash for the OS and 16-32 MB of SRAM. Hardware revisions - 1.0 - 20 front panel LEDs (link/act, full/coll, 10/100 leds for each ethernet port), 125 MHz CPU, 4 MB Flash, 16 MB SRAM, and a Linksys Mini-PCI card for wireless
- 1.1 - 8 front panel LEDs, the Mini-PCI card has been removed and integrated onto the motherboard, otherwise the same as the 1.0.
- 2.0 - Same as above with a 200 MHz CPU, and even more chip integration (radio has fewer components)
- 2.2/WRT54GS/Speedbooster - Highly integrated, 8 MB of Flash, 32 MB of RAM, same appearance/leds/CPU as the 1.1, 2.0 models
- 3.0
Third party firmware projects Relevant links *Linksys WRT54 Hardware Versions http://www.linksysinfo.org/modules.php?name=Content&pa=showpage&pid=6
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