j.c.f.'s Overclocked Athlon
Project
This is the first incarnation of the over clocking jig
I built from Tom's page:
If you try and build one of these with a connector that
doesn't have a 90o bend in it I thoroughly recommend chopping up a bit of
1/16" aluminum and plugging it into the connector to act as a heatsink when soldering
to those stupid little 0.05" spacing connectors. Here it is all but done:
The overclocking jig is held on with a strip of velco
stuck to the fan and each TEC is on a separate connector to the power supply, two on one
connector might be a little much, better safe than sorry anyway.
That overclocking jig basically sucked, I used larger
resistors than the Tom's schematic called for and the connector used in that picture
doesn't make good contact with the Athlon's test connector. Not only that but it is easy
to screw up plugging it on and so bend the fingers in the connector, it is almost useless.
I did however chance onto one setting that produced a
good result, 700MHz. As it is 700MHz is almost stupid fast, almost fast enough to make
Ultima IX playable with my TNT video card.
So I go and build another jig with 56 ohm 1/2 watt (for
VID and FID at 5V and 3.3V respectively) and 1/4 watt (for BP_FID at 1.6V) resistors and
with the lovely AMP connector that pries apart in a rather lovely fashion you can actually
mount the connector on the PCB:
Next page: Overclocking jig #2
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