Just to clarify, I think the controller's written, tested and working. It's in use at the moment for the ROACH2 self-test system. It just needs the yellowblock interface.
Jason On 26 Oct 2012, at 18:40, Ryan Monroe wrote: > Eh it's a project for a few months down the road at least, but I'd be happy > to try my hand at putting the controller together if you guys need a hand. > Thanks for the help! > > On 10/26/2012 07:31 AM, Alec Rust wrote: >> Ryan I'll have to check compatibility with 16gig and get back to you but >> currently we don't have DDR3 yellowblock so you will have to put the >> controller together as you suggested. >> >> On Thu, Oct 25, 2012 at 10:36 PM, Ryan Monroe <ryan.m.mon...@gmail.com> >> wrote: >> So I have an application where I'd really love to use a 16 GB dimm. What do >> you think are the chances we can get one of those approved? (I might be >> able to do some of the legwork myself / hack up the gateware controller as >> needed) >> >> Are there any special addressing considerations for ROACH2? I remember we >> had an address pin unconnected on ROACH1 >> >> Thanks >> >> --Ryan >> >> >> >> On 10/25/2012 01:32 PM, Wesley New wrote: >>> Hi Jason, >>> >>> I think Mo had different Kingston DIMMs which are not 1gig, but the >>> supplier claims that they are compatible. We have to be very careful when >>> choosing the DIMM as we can only support a few different modules as the >>> gateware controller has the SPD information hard coded. >>> >>> I am unsure of the status, but Alec will be able to help out, when he gets >>> into the office tomorrow morning (South African Time). >>> >>> I noticed the wiki page heading read ROACH DDR3 Memory. I have changed it >>> to ROACH2 DDR3 Memory. So the link is now at >>> https://casper.berkeley.edu/wiki/ROACH2_DDR3_Memory_Modules >>> >>> Regards >>> >>> Wes >>> >>> >>> >>> On Thu, Oct 25, 2012 at 10:16 PM, Jason Castro <jcas...@nrao.edu> wrote: >>> The following web page lists two memory modules for use in the ROACH2: >>> >>> https://casper.berkeley.edu/wiki/ROACH_DDR3_Memory_Modules >>> >>> Kingston KVR1333D3S8R9S/1G >>> Samsung M393B5773CH0-CH9 >>> >>> Mo at Digicom was only aware of the Kingston Module as being approved for >>> use in the ROACH2. He also reported that the Kingston Module may have some >>> problems as well. Can anyone give me updated information on this topic? >>> >>> Thanks, >>> >>> Jason Castro >>> >>> >>> >>> >>> >> >> >
