DI-634M US (B1 hardware) Release Notes
Firmware: 2.03 build #01
FW Date: May 16th , 2007
New features:

Problems Resolved:
1.Wireless Status Page Fix
2.PPTP cannot establish connection when gateway IP address field is same 
as PPTP server IP address.
3.PPTP connection becomes slow when QoS is enabled.

Firmware: 2.03 build #00
FW Date: March 3, 2006
New features:

Problems Resolved:
4.SSID not being reported in Device Status Page 
5.Signal strength not reported in Wireless Status Page
6.Intel Centrino client disconnect issue resolved.
7.11b only client associating with 11g AP fixed.
8.UPnP IGD icon reporting constant disabled state resolved.
9.Rate estimation fix on SBC
10.WPA2 connection issue on WII
11.Admin/Password leak issue

Firmware: 2.02 build #00
FW Date: October 23, 2006
New features:

Problems Resolved:
12.UPnP Compatibility issue with MSN7.5
13.NTP Function fix
14.Auto-send logs when log full fix
15.Sip ALG issue resolved
Enhancements:
1.Simplified the Dynamic DNS page.
2.Removed WCN ActiveX feature.

Firmware: 2.01 build #00
FW Date: December 15, 2005
New features:
1.Static IP support for PPPoE
2.Dynamic IP support for LT2P and PPTP
3.Net2Go support for Pure Networks.
4.Skype certifications ready.
5.IGMP host and router support including multicast routing.
6.RIP full protocol support.
7.Link Drop Delay support (Allows the router to keep the WAN IP address 
for a certain period of time after link is dropped) 
8.Brand new Parental Control settings page.

Problems Resolved:
16.SIP ALG issue with DVG-1402S router
17.Fixed DNS Relay issue
18.Fixed problems with configuring virtual server private IP address
19.SBC-Yahoo DSL modem when WAN connection is established using the 
modem’s embedded PPPoE client.
20.Resolved problem with PPTP passthrough.

Enhancements:
3.Changed default SSID to “dlink”.
4.Updated UPNP settings.
5.Enabled StreamEngine QoS by default.
6.Ability to add multiple machines per Access Control policy.
7.Improved Automatic Rate Estimation process.
8.Enhanced logging functionality.
9.Enhancements to NAT and DMZ.
10.Removed L2TP ALG and combine IPSeC and L2TP ALG functionality. 
11.Added UI pages that do not require reboot.
12.Increased UDP NAT timeout to 5 minutes to preserve NAT port mappings 
for some applications.