PSU's 3.3v Rail directly connected to/as vdimm

[Rio71]

hi,
here an little but important update.
i have here an board with a switched dimm-vrm.
to do is additionally, lifting one leg of the coil (near dimm-slot) for making the mod working.


i trying this on epox 4pca3i rev2.0.
absolutely same switched-vrm should be on 4pca3+ and 4pca3x rev 1.x
the negative vrm-mosfet made the mod not working. when i press start, board go to on-off-on-off-on-off... (fast)
with lifting a coil-leg the switched vrm ist "off" for disturbing the 3,3v-to-dimm.
an vtt mod ist not needed here, rising "automatically" with vdimm.

interesting is, this board using the 5v rail for generating the vdimm.
without mod, older bios can set the vdimm up to 3,3v, with newer bios only up to 2,9v.
possibly, the dimm-vrm can't take easy high voltages on much ram, and epox have known this an disable. ???
so an common vdimm mod are possible for upping the vdimm, but could be killing the dimm-vrm fast.
but with 3,3v-to-dimm mod is no problem here........ only the psu or ram.



edit: typo "on" to "one"