Build Your Own Linux Powered Pda
Build Your Own Linux Powered Pda
Jun 5 2006, 08:00 PM
Joined: 22-December 04
Member No.: 6,002
I've had the idea about rolling my own Linux powered PDA for some time, but I've been busy with another project of mine. So, I haven't posted about this idea, but recently Da_Blitz posted:
the iMX3 is a custom PDA idea as the 2700G chip is VERY hard to get. dont want to hijack this thread anymore so if you want more info then contact me direct or make another post
Definately looking for some more info on that!
Here's some interesting ideas to get the thread started:
GumStix ( www.gumstix.com www.gumstix.org ): Very small, proprietary, stackable modules. Very hobbyist friendly, but current models are still based around the Intel PXA255.
Colibri Module : PXA270 with most of the needed chips built in, and connections for most of the rest, in a formfactor of a DDR SODIMM. Moderately hobbyist friendly, with boards only 119Euros for the 520MHz version, but with a fixed handling fee for Hardware of 100 EUR and shipping of 45 EUR. You'll want to order more than one to be price effective with this supplier.
CM-X270 Computer-On-Module: I stubbled on to this site last night. No idea about this supplier's ablity to handle hobbyists, or even the cost of the module. However, you can configure a pretty impressive COM on that page. Up to PXA270 520Mhz, 128MB of RAM, Intel 2700G with 8MB of its own RAM, audio codec, and 512 MB of NAND flash!
Take a look at the Google Ads when you do a search for 'Arm development board', as quite a few Ads hit the mark for what we would want, if they could be had cheap, and single unit quanties (which most aren't ).
Jun 16 2006, 02:01 AM
Joined: 7-April 05
From: Sydney, Australia
Member No.: 6,806
Ok i like this i am not getting the usual "i want 512MB of mem and a 32310238GB drive (even if i say it as well)
what i intend to do is produce a PCB, and mabey a keyboard PCB. i want to leave the cases to some one else to make so you can have a clam shell or perhaps a slider like the k-jam. if i find a form factor like the psion i might make the board fit in the old shell but getting the hardware to work is someone elses responsability, in fact i will give you the design so you can change the board shape and auto-route it yourself, same hardware diffrent shape
what i am looking for is anyone else who wants to help develop the hardware, if you know anyone plese tell them
my minimum at the moment is bluetooth, SD, GSM (Phone), 128MB of mem and USB host, i do plan to make it expandable so design it to take more ram but not solder it on for those who want to expand the design (chip supports 256MB max) there will probelly only be one CF slot as that is all this device supports and it will most likly be internal but depending on the case you will probelly be able to externally acsess it (ie i will try and put it near the edge but dont expect miricles if i cant) might even consider upping it to a full pcmcia slot so the user can chose
i would like to get 802.11N but there is no standard so G it is if its added and Wi Max (there are chips but no drivers) and VGA out as well, cammera would be nice as well but i think that other things with higher priorites will replace it
i intend it to be very mobile phone centric (hence the GSM and bluetooth) or as a mobile phone extended c3k
as such i need input on not only what you want to see but how you would use it, how much you are willing to pay i am looking at between c1k and c3200 price at no profit so keep that in mind
for the bootloader i was thinking a 16MB partion thats RO in hardware and CANNOT be upgraded to hold a kerenel that can kexec another kernel but have utils to do diagnostic and repair, doing it this way means there is NO way you can brick the device as there is always the inital firmware
for screens you could salvage your Z's screen as i said i will build the hardware, not design the entire thing i will try and make it flexible enogh to acamidate a bit of varince in hardware
i am also thinking of selling the design off to any company that is intrested on the basis that we can buy direct from them at discounted prices. i belive this would be an advatage for us and them but i would say1 in 50 chances at the moment
and now some links (including thin terminals and Xlinx FPGA's whigh i would like to have one of on board)
look into the team asa stuff they have some great boards for SAN's
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