We are currently engaged in changing the motherboards in over a
hundred XO-1.5s. In many cases, the XOs are failing the heat spreader
test afterwards.
However, we can get the test to pass if we press down on the lid,
behind the screen. This suggests to me that the heat spreader is not
in proper
Do your heat spreaders have four screws or three ?
The final heat spreader for XO-1.5 production had four screws
holding it down, to ensure a good fit.If your heat spreaders
only have three, OLPCA should be able to get proper replacements
from Quanta.
Regards,
wad
On Jul 22, 2011, at 10:35
The unused hole actually is filled by one of the screws which holds in the
rear plastic panel. That's why the screw holes which only secure the heat
spreader have arrows pointed at them.
The fanciest (newest?) XO-1.5 heat spreader design I've seen adds a support
bar up to the green screw hole
Thanks Samuel. I'll be talking in more depth with OLPCA about this.
Any suggestions on how to deal with this in the meanwhile are welcome :)
I have found that it can help to bend the spreader near the screw
points to make it slightly concave. However, I agree with you that
this is not a good
