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T61 w/nvs + 2503dock + GPU = trouble!

T60/T61 series specific matters only
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wujstefan
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T61 w/nvs + 2503dock + GPU = trouble!

#1 Post by wujstefan » Thu Feb 28, 2019 4:35 pm

Hello,

I have dusted my old 2503 dock I have bought some time ago for a song. It has been locked with no keys so worthless to its previous owner. I have unlocked it using old, good tested methods (6mm drill into 8mm drill ^^).

I have some couple of very nice GPUs that should run it... well, should.
R7 250 gives beeps (1long - 2short) on start.
Radeon 8570 does not beep - there's just displayed.

I have tried plugging the system to the dock while powered on. The system is running, it sees GPU, but nothing on external LCD.

As far as I know, 2503 dock should support GPUs up to 50W, and both actually are inside the limit. I'd try a 18W oldie GPU to just test the dock, but do you guys have any idea what's happening in there by any chance?
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Thinkpad4by3
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Re: T61 w/nvs + 2503dock + GPU = trouble!

#2 Post by Thinkpad4by3 » Thu Feb 28, 2019 4:54 pm

One of those cards is 65W and the other one is 50W. The only card I ever got working was a 7200GS and that's a <15W card.

Also I would have picked the lock before drilling it :mrgreen: .
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

wujstefan
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Re: T61 w/nvs + 2503dock + GPU = trouble!

#3 Post by wujstefan » Fri Mar 01, 2019 1:50 am

Thinkpad4by3 wrote:
Thu Feb 28, 2019 4:54 pm
One of those cards is 65W and the other one is 50W.
Maybe. I'll need to check the lower-power GPUs as well then.
Thinkpad4by3 wrote:
Thu Feb 28, 2019 4:54 pm
Also I would have picked the lock before drilling it :mrgreen: .
Not my story really.
If drill did not help, next step would be a plasma burning gun ;)
Too many thinkpads not enough time!
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RealBlackStuff
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Re: T61 w/nvs + 2503dock + GPU = trouble!

#4 Post by RealBlackStuff » Fri Mar 01, 2019 11:45 am

Look on my webpage: https://www.theboardroom.info/parts1.html where I have a bunch of graphics cards for sale.
I'm sure a cheap shipping method can be arranged if interested.
Lovely day for a Guinness! (the Real Black Stuff). And pigs CAN fly!
Check out The Boardroom for Parts, Mods and Other Services.

wujstefan
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Re: T61 w/nvs + 2503dock + GPU = trouble!

#5 Post by wujstefan » Tue Mar 05, 2019 6:26 am

I have checked HD6450 - 19W TDP - no effect. One long beep - two short beeps. Tested on T61 w/nVidia and T500 w/intel.

People report 7750 working on this dock. I have such card, but it does not work with it (it does, however, work well in M93p).
Too many thinkpads not enough time!
(stable under reduction)

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