All done. Internet Work, IPTV work. Thanks KLstreet for everything.
This RB250GS is as what other said, no lag when switching Channel on IPTV.
Now it is time to dig some torrent and IPTV at the same time.
for the 615 I think I swap between RB250GS and 615 every month.
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For those need to get the 1.2 firmware,
either get it from Rizvansite or get it from mikrotik directly
http://www.mikrotik.com/download.html1. Select SwOS
2. All versions
3. SwOS v1.2
4. Change your IP address to 192.168.88.2, subnet 255.255.255.0 to be able to connect to the switch.
5. update the firmware according to Rizvan site. Wait 5 min.
6. Reboot the router
7. Log out
8. Turn off for 30 sec. (I actually turn off for 5 sec only.

)
9. Turn on, then the Switch SwOS is updated with 1.2
This post has been edited by billytong: Sep 26 2010, 02:02 PM