[ltp] T61 system board (42w7872)

[Yves-Alexis Perez]

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On mar., 2011-10-25 at 17:12 +0200, Yves-Alexis Perez wrote:
> Hey,
>=20
> I have a T61 (8897-CTO, the 14.1" 4:3 version) which doesn't boot
> anymore. When I press the power button, nothing happens. Removing
> battery and AC, replugging AC, I can see the battery and ac leds
> flash,
> then only AC stays lit, but nothing happens when pressing the power
> button.
>=20
> Reading a bit on the net, the list, various forums etc., it looks that
> it might be a dead fuse on the motherboard, or something else. I've
> tried to dismantle the laptop and check the fuse, but I didn't really
> see anything (though it seems there's a =E2=80=9Cburn smell=E2=80=9D whic=
h doesn't
> look
> good). I don't know how this happens (as it's not my laptop), except
> that it was after a trip in Death Valley, while stored in the trunk
> suspended (so temperature may have been high).
>=20
> Basically it seems the only solution might be to change the system
> board, but it seems pretty rare as it's the 42w7872, not the 42w7648
> which is a bit older and can only support Penryn cpus while the other
> can support Penrym and Merom. The CPU on this box is T7500 which is
> Penryn, so it should be ok to use 42w7648 in last measure (is it
> true?)
>=20
> Anyway, if someone has a 42w7872 to sell, I might be interested
> depending on price and shipment.=20

In the end, I went the 42w7648 and the switch worked perfectly. Another
difference is that this one only has 1 pc-card slot while 7872 has two,
but since they were not used at all, it doesn't matter.

Thanks everyone for your help :)

Regards,
--=20
Yves-Alexis

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