Re[ltp] placing the Ericsson 3G modem in an X301 with a Sierra Wireless LTE modem

Sun, 20 May 2012 23:40:31 -0700 (PDT)

hey man !=20

Thanks for your reply , I've been activelly using hardware mainenance manua=
in the past, so very well familiar with the document, but as far as Im
concerned there were no detailed information regarding antennas.=20

I will try to follow your tips, hope fully that should do the trick .


Bj=C3=B8rn Mork wrote:
> Elvair <> writes:
>> Hey man !=20
>> Great job on replacing the card. I'm looking to do exactly that, however
>> I'm
>> confused with a couple of things. Do you think you could possibly help m=
>> out a little bit here ?=20
> I recommend downloading the "Thinkpad X301 Hardware Maintenance Manual"
> from Lenovo. It explains a lot of details, including where to find the
> different slots.
>> I currently have intel wimax-wi-fi card, which I would like to keep,
>> since
>> sierra card does not have wi-fi capability. But then here is the problem=
>> I
>> need to be able to plug in both card and both should be connected with
>> antennas one way or the other.=20
> I believe that should be no problem.  There are 3 mini-PCIe sockets in
> the X301:
>  a) wlan (full size)
>  b) wusb or Intel "Turbo Memory" (half size)
>  c) wwan (full size)
> Socket a) and b) are located behind the same cover as the memory slots.
> Socket c) is located under the upper left part of the keyboard.  There
> are 6 antennas.  In my X301, 3 of these were connected to the Intel wlan
> card, 2 were connected to the Ericsson wwan card and 1 was not in use,
> taped in place between the memory sockets.  But do note that the two
> locations are both in the upper left part of the PC.  Any of the antenna
> cables can easily be rerouted to either location by simply pulling it
> through to the other side of the main board.
> I assume your wimax card replaces the wlan card in my setup?  And I
> assume it uses maximum 3 antennas?  If so, then you should have no
> problem keeping it while adding a wwan card.
>> I looked through the other thread regarding using unauthorised cards, an=
>> no, im not doing any modification to my BIOS, I d rather use TAPE for
>> that
>> matter,
> I tried that trick, but could not make it work using the wwan
> slot. Could be that it works if you exchange the wlan and wwan cards.
> Didn't try that as I didn't want to mess with the wlan.
> The BIOS modification works, but is of course risky.
>> but I'm still confused which slots is which, so if I want to keep my
>> intel wimax-wi-fi card, and have all the antennas connected correctly,
>> which
>> slots should both cards go ? And how antennas should be connected ? I
>> understand that there are more antenna contacts which is normally in use=
>> from the looks it there are 6 actually (if im not wrong), which means I
>> should be able to connect both cards comfortably and use both Wi-Fi and
>> LTE,
>> but I'm having problems finding all those antenna connectors... :/=20
> I don't know where they would put the spare cables if you don't have the
> wwan option, but I guess the most likely place is near the wwan socket
> under the keyboard.=20
>> Would you be so kind as to give me some guidance ? :) would greatlly
>> appreacite it, maybe even if you could make some photos and show me wher=
>> the connectors are etc - that would help me immenselly.=20
> I do have a couple of really bad photos, but haven't had the time to get
> them off the camera yet...  Much less put them up anywhere.  Will see if
> I can fix that somehow.
> BTW, totally off-topic, but I put the Ericsson F3507g card in an Acer
> 3810tz laptop to see if that would work, and it did without any problems
> at all.  No whitelisting there.  But no extra antennas either, so I had
> to install two of those making it a lot more work.  Not to mention the
> gazillion screws you have to remove just to access the slot.  But one
> nice surprise was that there actually was a SIM card slot behind the
> battery.  It was taped over with a black tape, making in nearly
> invisible.  Don't think I would have found it without looking in the
> service manual to see where it should be.
> Bj=C3=B8rn
> --
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