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Port replicator for T42

T4x series specific matters only
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oversky
Posts: 25
Joined: Sat Jan 15, 2005 11:37 am

Port replicator for T42

#1 Post by oversky » Mon Oct 23, 2006 12:29 am

I need DVI for my LCD. Can I use Port Replicator (version I, the one for T2x, T3x) on my T42? It's much cheaper than Port Replicator II on ebay. I don't really need the USB2.

skanky
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Location: London, UK

#2 Post by skanky » Mon Oct 23, 2006 4:05 am

i dont think the old port replicators for the t2x/t3x series works for a t42.

Utwig
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Location: Slovenia/Europe

#3 Post by Utwig » Mon Oct 23, 2006 8:03 am

The Replicator II is about 70-90€ in Europe, I know it works with A2x and T4x. Check for compatibility of Replicator I on Lenovo site.
T540p, T420s (soon to be T420ps :) ), X61t, T60p, T42p, A21p

grimmster
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Joined: Thu Aug 11, 2005 1:02 pm
Location: Rochester, MN

#4 Post by grimmster » Mon Oct 23, 2006 2:43 pm

No, the port rep I will not work on a t4x. have to get the port rep II

oversky
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Joined: Sat Jan 15, 2005 11:37 am

#5 Post by oversky » Mon Oct 23, 2006 4:32 pm

Thanks for your replies. Now, I have to save more money for the replicator II.

jeffcrilly
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Joined: Mon Oct 10, 2005 12:59 am

Port Replicator II - DVI out - max res?

#6 Post by jeffcrilly » Sat Nov 04, 2006 3:00 am

What's the max resolution of the Port Rep II DVI Output?

I want to use a T42 w/ a 1600x1200 LCD panel.

It works fine w/ VGA, but I am thinking that DVI would look better.

Is it worth it?
T42 14.1 SXGA+ Bluetooth Fingerprint reader 320 GB
(T22, T500(on the way))

cwestwater
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Location: Glasgow, Scotland

#7 Post by cwestwater » Mon Nov 06, 2006 3:28 am

I am running a Dell 20" LCD @ 1600x1200 on DVI through a Port Replicator II no problem.
Rocking with a T400 for work, and a T60 at home

jeffcrilly
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Posts: 105
Joined: Mon Oct 10, 2005 12:59 am

#8 Post by jeffcrilly » Mon Nov 06, 2006 8:09 pm

I am running a Dell 20" LCD @ 1600x1200 on DVI through a Port Replicator II no problem.
Thanks for the comment on this (the lenovo site said that only 1280x1024 was supported.) Oh, I now see that's on the "dock II"..

From...
http://www-131.ibm.com/webapp/wcs/store ... Id=8589593
DVI pass-through port ( will support resolutions up to 1280x1024 based on attached system).
Not sure why the Dock II is not as good as the Port Rep II, but maybe the marketing blurb for the Dock II was written before the TPs came out with decent video cards.

Is the quality better w/ the Port Rep II using DVI than w/ the VGA cable?

thanks for the info.
T42 14.1 SXGA+ Bluetooth Fingerprint reader 320 GB
(T22, T500(on the way))

cwestwater
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Location: Glasgow, Scotland

#9 Post by cwestwater » Tue Nov 07, 2006 7:11 am

could not tell you quality difference as never used VGA for hooking it up!
Rocking with a T400 for work, and a T60 at home

jeffcrilly
Freshman Member
Posts: 105
Joined: Mon Oct 10, 2005 12:59 am

Writeup on Port Rep II and DVI limitations

#10 Post by jeffcrilly » Tue Nov 07, 2006 5:23 pm

http://www.thinkwiki.org/wiki/Problem_w ... throughput
is a good writeup on why IBM/Lenovo only officially 1280x1024 w/ the port rep II.

Turns out that applies to certain models. I'd copy/paste the details here, but suggest you just go read the page if you're interested.

Bottom Line: T42 w/ ATI 9600 appears to just work up to 1920x1200; other models may require a driver upgrade.
T42 14.1 SXGA+ Bluetooth Fingerprint reader 320 GB
(T22, T500(on the way))

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