| wpwrak | i just saw the the mailing list moves from http://lists.milkymist.org/pipermail/devel-milkymist.org/ to https://ssl.serverraum.org/lists/listinfo/devel/pipermail/devel-milkymist.org is this move permanent ? | 13:17 |
|---|---|---|
| ysionneau | isn't it related to the emails Sebastien sent about migrating the mailing list? | 13:19 |
| ysionneau | and related to the errors mwalle got (bouncing email errors) | 13:19 |
| wpwrak | ah, there it is | 13:23 |
| wpwrak | the old url gets redirected, but not perfectly (e.g., a url to the archive page gets sent to the main page). so i wonder what the proper name is. | 13:26 |
| wpwrak | and the transition is http://lists.milkymist.org/pipermail/devel-milkymist.org/ -> https://ssl.serverraum.org/lists-archive/devel/ | 13:26 |
| wpwrak | that's the archive. the other one was the main page | 13:27 |
| ysionneau | yes | 13:28 |
| lekernel | yes, the move is permanent. one problem was the website was hosted on the tmplab account and this organization is dying. | 13:28 |
| lekernel | I wouldn't have been surprised if dreamhost terminated the account because of billing problems, and then I'd be stuck without access to the latest data, and no one responsible | 13:30 |
| lekernel | so it's hosted on mwalle's server now | 13:30 |
| wpwrak | so the "official" URL to the archive would now be https://ssl.serverraum.org/lists-archive/devel/ ? | 13:30 |
| lekernel | yes | 13:30 |
| wpwrak | kewl, thanks | 13:31 |
| wpwrak | oh, and "tmplab" kinda suggests that it may be temporary. there is truth in advertising after all ;-) | 13:31 |
| lekernel | is there 2.5V DDR400? | 15:04 |
| wpwrak | like this ? http://www.issi.com/WW/pdf/43R32800B.pdf | 15:48 |
| lekernel | ah yes | 15:52 |
| lekernel | so it exists | 15:52 |
| lekernel | thanks | 15:52 |
| wpwrak | or this one. wider VDD range. http://www.winbond.com/NR/rdonlyres/F0007FC8-698E-4379-AB3A-DD9235B32BC6/0/W9464G6JH.pdf | 15:52 |
| wpwrak | there's a lot of them | 15:52 |
| lekernel | usually DDR400 requires 2.6V | 15:52 |
| lekernel | oh wait | 15:52 |
| lekernel | actually we can have 2.6V on the mixxeo | 15:52 |
| lekernel | since we switched to VCCAUX=3.3V | 15:53 |
| wpwrak | in digi-key, restrict the search by speed and voltage. then you get them. | 15:53 |
| wpwrak | heh :) | 15:53 |
| lekernel | (the upper tolerance for 2.5V VCCAUX was 2.625V, which prevented it on the M1) | 15:53 |
| lekernel | and VCCO is specd to 2.7V. that should work. | 15:55 |
| wpwrak | what capacity are you looking for ? | 15:55 |
| lekernel | I guess we'll stick to the same DRAM chips as on the M1 | 15:55 |
| lekernel | except running at 2.6V | 15:56 |
| lekernel | and if they act up, going back to 2.5V is just a resistor replacement | 15:56 |
| wpwrak | so they can run faster ? or safer ? :) | 15:56 |
| lekernel | they can run faster | 15:56 |
| lekernel | and | 15:56 |
| lekernel | 2.6V is the normal spec for DDR at 400Mbps | 15:56 |
| lekernel | I'm aiming for a 100MHz SoC in -3 speed grade | 15:57 |
| lekernel | with 200MHz memory clock and 400Mbps/pin | 15:57 |
| lekernel | 128MB will be a lot of RAM for the Mixxeo... | 16:00 |
| wpwrak | you can never have too much RAM ;-) | 16:00 |
| wpwrak | and in any case, you should search by bracket. from minimum to the maximum you could handle. sometimes, smaller capacity is more expensive/exotic than higher capacity because the market has moved on. | 16:02 |
| wpwrak | of course, you can still find the older and smaller stuff, but the search gets more involved | 16:02 |
| lekernel | yes | 16:02 |
| lekernel | better stick to a mass produced chip for the PC market | 16:02 |
| wpwrak | yeah. if there's one thing i've learned about component selection is that you really really don't want to paint yourself into a corner when it comes to sourcing | 16:03 |
| lekernel | sometimes I wish I had put DDR2 on the M1... in hindsight it wouldn't have been much more difficult than DDR | 16:03 |
| wpwrak | well, there's a plan for mixxeo v2 ;-) | 16:04 |
| lekernel | plus, doesn't require those series resistors and runs faster | 16:04 |
| --- Wed Jul 3 2013 | 00:00 | |
Generated by irclog2html.py 2.9.2 by Marius Gedminas - find it at mg.pov.lt!