What I’ve looked the manual, I don’t think there is a good chance getting newer Athlons running on this at least like they should, even Palominos with 133MHz FSB. It seems to have a locked 100MHz FSB (Ultra has 100/133 jumper). So even if some Athlon XP boots on this system (which isn’t granted), it is using always 100MHz and thus underclocking the newer CPUs with 133 or 166 FSB heavily.

It doesn’t seem to have multiplier control at all and extremely limited voltage control between 1.725-1.9V, so you can’t run those lower voltage XP chips at their rated voltage in any case, so there is almost zero benefit from running lower TDP chip.

All this and it doesn’t even necessarily boot with those newer chips because BIOS lacks the microcode for them, unless latest bios images offer some new features. Which I doubt, because the there is no FSB adjustment on the board to begin with for anything higher than 100MHz. Ultra version might work better because of the 133MHz jumper.

Just slap in some 100FSB Duron or Tbird and enjoy what it offers. You get enough oomph for early 2000s stuff paired with decent graphics card!

Hi,

Thank you for your reply. I'm not particularly interested in higher FSB/clocks, the SDRAM is limiting the CPU anyway, there's no point going higher than 1.4ghz-1.5ghz on this board. There were bios updates with microcodes, but I'm unsure what CPU support they brought (possibly the later Durons at 1.3ghz). I was just hoping to get lower TDP and less stress on a modern PSU, but obviously lowering the multiplier on the fly (setmul) would've been nice. I'll check the board and bios when I receive the parcel.

For posterity, here's an archived topic discussing the multiplier issues: https://web.archive.org/web/20051215184357/ht … p/t33362-0.html