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Search found 5 matches

by elixyr
Sat Apr 15, 2017 3:45 am
Forum: ThinkPad Legacy Hardware
Topic: The official 755 Upgrade and general information Topic
Replies: 85
Views: 19355

Re: Thinkpad 755CD(V) Li-ion Support *small pic*

I use a 10.8v 3.0AH Li-Ion in my 755cx, that one is for an 760ed. Works fine.
There is an optional Li-Ion battery for the 755 series, i guess thats the one you have there.
by elixyr
Fri Apr 14, 2017 3:40 pm
Forum: ThinkPad Legacy Hardware
Topic: The official 755 Upgrade and general information Topic
Replies: 85
Views: 19355

Re: 755CDV Drivers?

I got some for my 755CX here: http://ftp.lanet.lv/ftp/windows/lanet/thinpad/
Take a look there maybe you will find something there.
by elixyr
Tue Apr 11, 2017 12:12 pm
Forum: ThinkPad Legacy Hardware
Topic: 755CX Mwave DSP Upgrade 2420801?
Replies: 8
Views: 5013

Re: 755CX Mwave DSP Upgrade 2420801?

The Mwave chip is soldered, yes, but it's on a small board that plugs to the system board. That's why it's possible to replace the Mwave audio with an ESS 1688 on the 760XD. However, looking at the HMMs of the 755 and 760 series, their Mwave cards have different FRUs, and seem to have different for...
by elixyr
Tue Apr 11, 2017 12:10 pm
Forum: ThinkPad Legacy Hardware
Topic: 755CX Mwave DSP Upgrade 2420801?
Replies: 8
Views: 5013

Re: 755CX Mwave DSP Upgrade 2420801?

welcome to the forum.. :) i have several 755C models.. CD, CDV, CE.. nice solid thinkpads and sort of classic, especially when you type on THAT keyboard.. you then see how sloppy current era keyboards really are.. :) i also have 701C system boards with the MWave chip.. these ARE soldered on.. i DO ...
by elixyr
Tue Apr 11, 2017 12:03 am
Forum: ThinkPad Legacy Hardware
Topic: 755CX Mwave DSP Upgrade 2420801?
Replies: 8
Views: 5013

755CX Mwave DSP Upgrade 2420801?

Soo i bougth a mint 755CX the VGA model, but apparently it does not have any sound.

While googling around i found an old spec sheet that said "Mwave DSP Upgrade 2420801" for the 755CX.

I also have a beaten up 760ED with mwave. Anybody know if the parts interchangeable?

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