[Arm-netbook] [router] schematics started
luke.leighton at gmail.com
Wed Sep 18 08:54:26 BST 2013
On Wed, Sep 18, 2013 at 2:53 AM, Christopher Thomas
<christopher at firemothindustries.com> wrote:
> On Tue, Sep 17, 2013 at 6:19 PM, luke.leighton <luke.leighton at gmail.com>
>> aside from the main requirements (i need this for a customer, as a
>> versatile routing and management board) it makes inordinate sense for
>> this to be an extension of the MEB concept.
>> talking to arokux yesterday i'm adding *two* MiniPCIe slots, one is
>> for 3G and the other for WIFI cards. not sure whether to make them
>> both capable of taking SIMs... ehh, you can always get e.g. HE910s
>> with a SIM holder attached, so i'll make sure the power circuits are
>> up to the job of providing clean power.
>> 9-pin RS232 is needed from the customer. i'll add a MAX232 to
>> isolate/protect the CPU Card.
>> SATA comes from the MEB concept. it's there, why not.
>> 44-pin interface for RGB/TTL and I2C, again, why not. might as well.
>> 4 ports of 10/100 ethernet is completely excessive, but kinda fun.
>> what the heck.
>> thoughts appreciated.
>> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
>> Send large attachments to arm-netbook at files.phcomp.co.uk
> It also seems like an extension of the Carrier Board Concept, minus the
> STM32f, and added HUB IC.
> That said, shouldn't the MAX232 be a MAX3232 for 3.3v - 5.5v,
> or does your
> client intend to use "True" +/- 10v RS232? (Although, iirc, the MAX3232
> would function almost the same, only more compatibility with other
> On the run, but I have some recommendations for the 3G/GSM/GPRS stuff, when
> I get back.
> Christopher Thomas
> Firemoth Industries, LLC - Owner
> christopher at firemothindustries.com
> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
> Send large attachments to arm-netbook at files.phcomp.co.uk
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