March 18, 2009 1:51 AM updated: March 18, 2009 1:53 AM

Hi ,
I dont think it z supported in DD-WRT .... if you look at the supported device list for DD-WRT at :
http://www.dd-wrt.com/wiki/index.php/Supported_Devices#Netgear

You will observe that Netgear products supported by DD-WRT are Atheros based , broadcom based or IXP4 based while KWGR614 is Realtek 8185L based ..
You can have a look at the following link also :
http://www.myopenrouter.com/forum/thread/10146/KWGR614---End-of-Product-Life/...
But It has a 4MB flash so you can port DD-WRT to KWGR614 ....