BerliOS v0.11 driver for Atmel AT76C503A/505/505A wireless USB devices
for Puppy Linux with kernel 2.4.29 - versions 1.0.4 and 1.0.5
from http://at76c503a.berlios.de
compiled by tempestuous, September 2005.
Tested successfully with Compex WLU11A.
No guarantees.  No support.

These drivers are already contained in Puppy Linux 1.0.4.

These drivers are an alternative to the SourceForge atmelwlandriver driver, and are claimed to be better, but they only supports the USB versions of the Atmel chipset ... and even then, not all USB versions.
See http://at76c503a.berlios.de/devices.html for device compatibility, determined in some cases by manfid number.


INSTRUCTIONS
## uncompress the driver package from the uppermost directory
cd /
tar -zxvf at76503-0.11.tar.gz
## map the new modules
depmod

## load the driver
modprobe at76c503-rfmd  ## or at76c503-rfmd-acc, at76c503-i3861, at76c503-i3863, at76c505-rfmd, at76c505-rfmd2958.
## if no error messages, this should create a network interface, wlan0
## can check this by running ifconfig -a
## now set up the wireless network
iwconfig wlan0 essid MY_ESSID key 1234567890 mode managed
## for automatic IP
dhcpcd -t 20 -h puppypc -d wlan0
## or for static IP
## modify /etc/resolv.conf to include your nameservers
#ifconfig wlan0 192.168.0.xx broadcast 192.168.0.255 netmask 255.255.255.0
#route add default gw 192.168.0.1 wlan0   # or whatever your router's IP is


MAKING IT PERMANENT
If this driver works with your hardware, you will want to have it available every time you boot up.
Save the driver tarball to your /root directory, which is persistent if you use a pupfile.
Add the uncompress and depmod commands to /root/.etc/rc.d/rc.local

cd /
tar -zxvf /root/at76503-0.11.tar.gz
depmod

This will install the driver every time you boot up, ready to load and configure as explained above.
A script for this purpose, "at76503-connect" is available.  Just modify the script to include your wireless settings.