Much better now...
I got the PCI-E connector from this Ebay seller.. Those SIM holders should be easily available from electronics stores too..
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Friday, April 23, 2010
How-to: 3g modem to Asus Eee PC T91
Much better now...
I got the PCI-E connector from this Ebay seller.. Those SIM holders should be easily available from electronics stores too..
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38 comments:
Hi JKK
As usual you're the man.
Thanks for another well done hack.
I'll may give it a try also...
Is that an HSPA+ 3G modem? I've been eyeing the Sierra Wireless MC8700 lately (supports HSPA+ and UMTS900) but I haven't heard of the MC8755 though.
Will this mod work with T91 MT as well?
I hate that the manufacturer saves themselves a few pennies and make all of this extra work necessary. It's shameful really.
I did just the same thing on my T91MT two days ago, but I'm having problems positioning the antennae. Anyone disassembled the screen bezel on T91 or T91MT? I'm having trouble with the lower part. It seems that there are hidden screws holding it from the back, below the alluminium "Eee PC Touch Series" sticker. Any hint?
Great work! It can be switched on/off by software?
BTW, will this sim holder works? http://cgi.ebay.com/DIY-Sim-Slot-Adapter-Acer-Aspire-One-Asus-EEEPC-901-/220482942357?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item3355ceb595
Trihy, yes.
Nope, that SIM holder is no good. it needs to have 3 + 3 pins.. not in row like on that.
Thanks, jkk! Ill try to find a seller on ebay that have both things (holder and pci-e socket)
Do you recommend mc8775 for anything special? Or another card will work good too?
So... a blackberry sim holder will work, right?
http://cgi.ebay.com/Sim-Card-Holder-BlackBerry-Curve-8300-8310-8320-/350345458727?cmd=ViewItem&pt=PDA_Accessories&hash=item5192377427
yep Trihy, that BB SIM holder should work fine.
Thanks jkk!
I´d checked on both t91 and t91mt. And t91mt is missing the big square chip at the bottom right from the sim slot. Do you know that is this chip for?
To be exactly... this one: http://img28.imageshack.us/img28/3819/t913g2.jpg
If i remember right, it is the SATA controller.. so no need to worry about it..
Thanks again JKK. I see an sierra wireless 3G and gps on one module... http://cgi.ebay.com/NEW-Sierra-Wireless-MC8781-PCI-Express-Mini-Card-3G-GPS-/230461163248?cmd=ViewItem&pt=LH_DefaultDomain_2&hash=item35a88e46f0
Maybe Ill try this one instead of mc8775
You like the T91 more so than your Viliv S10? I am looking at a netvertible and was leaning towards the 2GHz Viliv... just wanted you thoughts on what you think is the best out there
I think that from a mobility point of view, t91 is unbeatable ATM.
Finally Im looking for MC8785V, seems like a good card.
Is your next T91 mod a bigger battery? That's what I would be planning if I had one of these.
This is a pci-e connector for any pci-e device, correct? if so, could this be used for the Crystal HD Broadcom upgrade?
I really feel the video is laggy in Win7 on my T91... I did the runcore upgrade, Class10 SDHC 16gb still seems a bit slow here and there.. zero running in background beyond windows.
If I understand correctly, we are using "just" the usb part of the mini pci connector.
Not sure if they can lock the usb part to only accept some cards.
Don´t know if the broadcom hd use only the usb part of the socket..
JKK should know :)
very cool!
Come on Jkk... I'm dyin' for the answer.. Could I do the broadcom upgrade with just a pci-e solder?
JKK, when you have some time, please post more pictures, at least one indicating the correct bridges we have to do, Im not really sure if they include one or more points.
I know, the video is very clear, but a lot of people here dont understand english... including me :D
thanks
Well... almost done here :D Still have to find if the white cable bridges two points on the motherboard or its just connected to only one. The picture is not so clear in that part.
Thanks again!
JKK... are you there? :D I want to close my T91!
Trihy, white cable can bridge the 2 points but it is not needed as they are connected on mobo anyway.
Thanks JKK. I´ll make some pictures and post a tutorial on eeepc forum, giving credits to you, obviously :)
Still having some problems with the 3g antenna. Underneath a speaker is one possible solution.
Anyway... Ill test and report back.
There are other mysterious labels on this board like "FM radio", but is missing all components.
jjk, 5 wks w/T91mt, Very happy.only setting tweeks so far, runs quick. to resolve what some say is poor calibration, was fixed by this..>Control Panel>Pen and Touch Settings>Touch Tab>bottom of window shows check box for"show touch cursor" Advanced sets up this HORRIFIC TOUCH OPTION-bad/fail...makes calibration seem off Correctly disabling this and RECALIBRATION of all settings has given me excellent touch & pen response since. Repost to most likely place to be of assistance
Well, I got almost everyrhing working. But... I have a problem... sometimes I hear the usb sound like unplugging something, and 3g watcher says "no card found"
That could be because of the 3.3v point... maybe is not giving enough power.
And the other thing.. could be the mini pci slot. All solders are tested over and over again, but the socket itself looks too cheap, maybe is not making good contact.
Ill try to find another 3.3v point to discard this. Do you know of a good 3.3 source?
Nevermind... the mini pci slot is cheap as hell. Im lifting the pins to make better contact with the modem.
Everything is working fine, great mod.
On a side note, the blackberry sim holder is a little short. If anyone is looking for this, I recommend a nokia sim holder, they are larger and fit better on t91.
How to put into Samsung N220?
Doese it need to jump the power supply at some point?
Where is that point?
Please guide on how to put 3G to n220... please ..please
Hi @ all,
Do I need the T91MT the connection with the red and white cables?
http://img28.imageshack.us/img28/3819/t913g2.jpg
thx...
:-(
Unfortunately I lifted the pads off the board when I soldered the usb jumpers which go to pin 38. Would you know another spot on the board where I can pickup this point?
It looks like the USB fuse pads which lifted off were routed to an internal trace. If someone could point me to another spot for this net then I could jumper from that point instead of the non-existant fuse pads. So close but not looking too promising at this point.
I did it:
http://www.eeepc.de/thema-10217-T91MT_UMTS_nachruesten.html
Need help. Not sure were to solder white wire next to PCI-E connector.
There are four soldering points there, and looks like wire is soldered over two of them, or just one of them ???
Hello JKK !!
I have tried to install novatel EU 850D on my acer aspire 722 but my laptop is not detecting the device at all. Can you give me some idea how I can make it to work?
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