Here will be articles explaining advanced hardware modifications / software
Athlon XP Multiplier Adjustments on the fly from Windows (click here)
Frequently asked questions (FAQ) with answers page (updated
Photos of modifies processors.
- enable mutliplier on-the-fly adjustments from operating
system (can be done under full load)
- fully stable operation, multiplier change designed by AMD
- be able to change multiplier in whole range of 3x - 24x
without single wire
- works even on motherboards that do not support multiplier
adjustments at all !
- version of this article in Czech can be found
- To this date function verified on following chipsets (please
VIA: KT133A, KT133E (reg. 55, bit 2 = 1 for those two), KT266, KT266A, KT333 (reg. 95, bit 2 = 1
for those three), KT333CF, KT400, KT400A, KT600
(reg. D5, bit 2 = 1 for those four)
SiS: SiS730, SiS735, SiS745, SiS746, SiS748 - All SiS
chipsets should support this feature, never chipsets are just updated old
Ali: M1647 (ALiMAGiK1) supported
Ati: Radeon IGP320 supported
nVidia: nForce 2 (reg.
E7, bit 4 = FID_Change Detect; reg. 6F, bit 4 = Halt Disconnect) - But there is
high change this won't work, good solution
hasn't been found to this date.
AMD: AMD761, AMD762 (reg. 44, bit 0 = 1) - on AMD762 systems (AMD760MP,
760MPX chipsets) it may be impossible to POST due to some BIOS limitations on
Special thanks to Andy and
The Rebels Haven Computer Forum members, Glen (aka Oldman
[H]ardForum) and OCWorkBench
forum members... and also to bulk88 for AMD760 bit and apple_rom for KT133A bit.
It is now confirmed desktop to mobile
mod and L6 change work also on post week 39/2003
superlocked CPUs. On those CPUs, startup multiplier can not be
changed (L3 bridges are blocked on those) but you can set multiplier by software
to a new value as you wish. There are some articles about this on various web