D-Link DSL-2640U(B)
On EU and USA market router branded as 2640B, on Russian market - as 2640U (HW rev B2). This model fully supported in OpenWrt 10.03 (except of ADSL, since Broadcom didnt released source code of their drivers). Notice however the instructions below do not apply to B3 (for details on the unsuccessfull attempts to bring openwrt to this device without opening it, see this thread).
Also, there are models D-Link DSL-2640U/BRU/C (on Broadcom 6338 CPU and Broadcom 4312 WLAN), and D-Link DSL-2640U/BRU/D (on Broadcom 6348 CPU and Broadcom 4318 WLAN). Both of them are not tested for OpenWrt support, though second one should work, probably, with minimal board definitions patching. Routers branded D-Link DSL-2640T and D-Link DSL-2640R have totally different hardware platform - first board built on on TI AR7VW, and second - on TrendChip TC3160 (ADSL2+) and Ralink RT2561 (WLAN).
Performance Review via www.bangkokimages.com
Once properly set up the Dlink DSL-2542b ADSL+2 modem/router works very well. No more random drops, very few time frame drops, and it scoots right along for about 24 hours. Then it drops and doesn’t connect, or connects again but never works as it should.
I exchanged it twice, it still does this. Every day I need to power cycle the Dlink DSL-2542b to keep it operating properly. I find this far preferable to the True provided Billion Sky modems, but far from ideal.
It could be an incompatibility with my other networking equipment, but I asked Dlink support and they couldn’t tell me. Unfortunately it just works this way and I’ve learned to once a day wander into the office and power cycle the switches. Inconvenient, but the reward is a great working connection for another 24 hours. And it’s not a certain time, or certain number of hours, it could go bad any time, and work from 24-36 hours.. but if I power cycle every 24 hours it never drops a connection. Strange. Forget, and the connection drops to remind you.
D-Link DSL-2542B - router is a HOT buy (Review)!
via http://www.testfreaks.co.uk/modems/d-link-dsl-2542b/
Reviewer: Flappy, Ciao
Purchased it from Amazon and tried on our line. Main problem was: disconnecting! ADSL is perfectly fine and I am also an IT Technician. Old modem and others 'still' work fine and they are back in place. I was trying to modernise and get ready for ADSL2 an this modem should have worked fine on normal ADSL too and it gets dangerously hot in my view and after 2 emails with D-Link they did not reply any more to me avoiding the problem.
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