--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Tue, Aug 30, 2016 at 10:09 AM, Raphaël Mélotte <[email protected]> wrote: > Ok, I understand it a bit better now. Thank you :-) > > I'm starting to realize I have been using laptops for years and I know > nothing about how they works. this isn't an ordinary laptop. good beginning into standard laptops is to look at libreboot or coreboot. interface with hardware tells you what's inside. > > > 2016-08-29 21:52 GMT+02:00 Luke Kenneth Casson Leighton <[email protected]>: >> >> --- >> crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 >> >> >> On Mon, Aug 29, 2016 at 8:15 PM, Raphaël Mélotte >> <[email protected]> wrote: >> > Of course ! I forgot the touchpad actually had an lcd. It will be so >> > great >> > to be able to have some of those displayed right below the keyboard ! >> > :-) >> > I just saw the power button that's connected to the STM32F072 when >> > looking >> > for something else. >> > If I got it right, PCB1 receives the CPU card and powers PCB2 >> >> nope. PCB3 powers PCB2, which (through the STM32F) controls the >> Battery / Power IC on PCB3, through which power to PCB1 is controlled. >> >> yes it literally has to be that complex because EOMA68 power is >> "OTG-like" i.e. may be *TWO-WAY*. so the STM32F072 is responsible for >> monitoring (through I2C in communication with the Battery / Power IC) >> what is going on, also receives notification about power provision >> from the EOMA68 Computer Card, and makes decisions whether to put the >> Power IC into "OTG Host" or "OTG Client" power modes. >> >> look up the datasheet on the bq24193 for details. >> >> > which contains >> > the STM32F072. Does that mean that a CPU card have to be plugged in in >> > order >> > for the STM32F072 to be powered ? >> >> incorrect. the STM32F072 is powered continuously it can never be >> powered off (short of opening up the laptop case and physically >> disconnecting the battery). >> >> l. > > _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
