[Arm-netbook] origen 4 (exynos S5PV310)

[krasi gichev]

Hacking could work, as long as the bootloader is not locked (eFuses) in the
factory. It is interesting to see if one could get firmware update file
(and tools) for this tablet. We can see if firmware is encrypted and how
open the design is.

2012/9/25 Bari Ari <bari at onelabs.com>

> On 09/24/2012 07:09 PM, Mark Wilczynski wrote:
> >> Initial reviews of the tablet show a battery life of ~3 hours.  That
> doesn't sound like power management is working at all or they must have a
> very small battery capacity.
> >>
> >>
> http://tabletrepublic.com/forum/latest-tablet-news/first-look-sanei-n10-quad-core-freescale-i-mx6-2831.html
> >>
> >> The OEM for all these tablets if HiAPad.
> >>
> According to the specs at that link:
>
> Battery capacity: 8000 mA / 3.7V polymer battery
>
> Assuming that they left the H out of 8000 mAH (milliampere-hours)
>
> 8000mAH / 3 hours = 2600ma per hour
>
> 2600ma x 3.7V = 9.6 watts total
>
> 9.6W x 38% = 3.6W for the screen at 50% brightness, WiFi off
>
> 9.6W - 3.6W = 6W for ARM SOC + RAM + Flash etc etc
>
> If we had the part numbers for the DDR3 we could estimate the power it
> consumes. Guesstimating for 1GB, DDR3, 1.5V around 1.8W.
>
> 6W - 1.8W = 4.2W ARM SOC and whatever else is on
>
> But, I'm making lots of assumptions here.
>
> -Bari
>
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