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| 12:10.28 | SpeedEvil | Is there any embedded linux board that powersaves properly? |
| 12:10.41 | SpeedEvil | By 'properly' I mean comparably to a mobile phone. |
| 12:11.05 | SpeedEvil | Pi, beaglebone, pandaboard all seem to use ~50% of max power when idling. |
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| 13:57.25 | mnemoc | SpeedEvil: the allwinner-a10 devices fall from 1-1.2GHz to 60MHz when idling and 35khz on standby :p |
| 13:58.22 | SpeedEvil | What's their actual draw in that case? |
| 14:37.27 | mnemoc | haven't measured it... let me check at their code to see if they have comments |
| 14:41.45 | mnemoc | cpu-freq.c says 1GHz is 1.5v, 432Mhz 1.25v and for bellow that they set the regulator to 1v |
| 14:42.05 | mnemoc | but reality might be very different |
| 14:42.47 | mnemoc | no mention about ma |
| 14:45.35 | mnemoc | http://thread.gmane.org/gmane.comp.hardware.netbook.arm/2574/focus=2576 has real data for the mele a1000 (used as allwinner-a10 devkit) |
| 14:46.13 | mnemoc | SpeedEvil: ---^ |
| 14:49.37 | mnemoc | SpeedEvil: the board looks like: http://i.imgur.com/1xd2j.jpg |
| 14:51.14 | mnemoc | SpeedEvil: and olimex.com is preparing an extendable board using the same soc to be sold for like 40E |
| 14:59.24 | SpeedEvil | Interesting |
| 14:59.40 | SpeedEvil | Fundamental problem is it's almost irrelevant. |
| 15:00.12 | SpeedEvil | If your board does/does not implement switchable voltage rails can make 2 orders of magnitude power difference easily. |
| 15:00.35 | mnemoc | :( |
| 15:01.04 | SpeedEvil | I'm kinda surprised that most platforms don't have this available from someone that's actually measured it. |
| 15:01.35 | SpeedEvil | I found oodles of reports of neat ways to measure pandaboard power consumption - including breaking out individual rails - and no actual reports of the power usage. |
| 15:04.35 | mnemoc | olimex.com does open hardware (CC) and they are still designing the board... maybe you can talk with him to the result meets your needed... but it's cortex-a8, not cortex-a9 |
| 15:05.34 | mnemoc | meh... writting nonsense again :-/ .... brb, coffee |
| 15:05.42 | SpeedEvil | I'm idly wondering about making an arm laptop using an old Mg/Al cased ultraportable laptop. |
| 15:05.51 | SpeedEvil | And an ipad display. |
| 15:05.58 | mnemoc | nice |
| 15:15.37 | mnemoc | I'm hoping there are some cortex-a9 laptops coming out this xmas (and not locked for running only win8) |
| 15:16.27 | mnemoc | afaik genesi was going to make one with quad imx6... |
| 15:47.07 | SpeedEvil | They would be interesting, indeed. |
| 15:47.23 | SpeedEvil | dealextreme.com has eleven billion ARM netbooks. |
| 15:47.29 | SpeedEvil | at 349MHz... |
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| 16:34.04 | prpplague | SpeedEvil: standard comment on beagle and panda, neither were designed as a mobile device |
| 16:34.21 | prpplague | SpeedEvil: so hardware wise, much is not configured to save power |
| 16:34.47 | SpeedEvil | And yes, I know. It adds cost to do the above switching. |
| 16:34.54 | SpeedEvil | And design complexity. |
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| 16:45.54 | prpplague | mnemoc: i have a couple of netbook prototypes |
| 16:46.06 | prpplague | mnemoc: i am indeed hopefully that one will go into production |
| 17:14.37 | mnemoc | prpplague: panda-alike? |
| 17:14.51 | prpplague | can make no comments |
| 17:15.02 | mnemoc | thought so :) |
| 17:15.38 | prpplague | http://www.elinux.org/PandaBoard_Netbook |
| 17:21.24 | mnemoc | even when I really like the idea of the revange of the the netbooks, they tend to be bound to bending keyboards and shameful displays |
| 17:26.02 | mnemoc | hopes they don't make the same mistake again |
| 17:26.53 | mnemoc | the ac100 and the efika would be amazing devices if they had a better display |
| 18:08.12 | SpeedEvil | mnemoc: I'm depressed that in some ways there is nothing comparable to my 10" laptop. It's 1.1Kg, 10h battery life (if re-celled with latest cells) decent 10" display, good keyboard with trackpoint. |
| 18:08.29 | SpeedEvil | mnemoc: Of course - sanely, it is PII/300 |
| 18:10.04 | mnemoc | thinkpad? :) |
| 18:10.06 | SpeedEvil | Swap out the display for something from the ipad, cut down the board size to something that makes more sense, and lose the hard disk, and you're easily at not-much-more than ipad class weight. |
| 18:10.16 | SpeedEvil | Toshiba 3110CT |
| 18:10.22 | mnemoc | nice |
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