On Mon, Apr 25, 2011 at 9:10 PM, Roman Mamedov <r...@romanrm.ru> wrote: > On Mon, 25 Apr 2011 16:56:58 +0800 > 项宇 <xia...@lemote.com> wrote: > >> The preliminary conclusions is: >> 1. Fuloong can't support 2GB RAM with 2 Ranks(up to now, only one >> special model works fine) >> 2. Fuloong can support some 2GB RAM with 1 Rank.(but no warranty >> about the stablility) >> >> The 2.6.38 kernel may need little change to support 2GB RAM > > Thank you very much! > > My Fuloong now boots successfully with your patch on 2.6.38.3 and a dual-rank > 2GB DDR2-800 module from Hynix (8+8=16 chips). It seems to work ok, I am > running "memtester" now to check stability, no errors so far. > > My guess is that dual-rank module can work here because FL6004 has a different > board design than your FL6003: the DDR2 slot here is turned 180 degrees, so > the > row of contacts of DDR2 is much closer to the Loongson2F chip: > > * FL6003: http://romanrm.ru/mirrors/lemote-unbox/0438.jpg > > * FL6004: > http://media.romanrm.ru/loongson/pics/fuloong2f-6004/sideB-take1.jpg > (sorry I don't have a proper photo camera :D) > > Perhaps that change was enough to allow dual rank sticks to work properly? > >> They have fix these problem since 2009, but Fuloong&Yeeloong is designed >> earlier. > > Right, I also tested on the Yeeloong, but it does not even turn-on with a dual > rank 2GB or 4GB stick.
Does 4GB work on FL6004 with that patch? just want to get more information about that patch and then determine if apply it or revisit and apply it. > > -- > With respect, > Roman > -- You received this message because you are subscribed to the Google Groups "loongson-dev" group. To post to this group, send email to loongson-dev@googlegroups.com. To unsubscribe from this group, send email to loongson-dev+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/loongson-dev?hl=en.
