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Archived from groups: alt.comp.hardware.overclocking.amd (More info?)
My motherboard is an nForce2 based mobo, and a quick google search
affirmed the rumors that nForce2 based motherboards auto-unlock the
cpu--at least for my specific motherboard.
Without overclocking, it runs at 12.5x166
I first changed the multiplier to 13, but it had no effect. I would
restart, no problems or anything, but when I booted into linux, and
check the cpu speed... it was the same old 2087mhz. I even tried
setting the multiplier to 13.5, 14 etc... still had no affect. The
bios did save the new settings correctly...im sure. I doubble checked
each time to make sure it saved the new multiplier...and it did--it
just didnt seem to actually change it like i would expect. Why isn't
changing the multiplier working??
So then I tried changeing the FSB speed slowly... because I heard that
that's where the real overclocking power comes from on the AMD
Barton's. I changed the fsb to 168... then 169. no problems, but very
marginal speed increases (of course). When I try to up it to 170 or
higher, When my box restarts... The bios just makes a long beep,
reboots, and then goes back to being un-overclocked. I'm assuming it's
trying to tell me it didn't work or want stable at all, and as a safty
measure, reset the speed to the old stuff.
So...I'm sure I can eek out more than a few mhz of a difference from
overclocking. Why couldn't I? ... I assume I need to up some of the
voltages??
My BIOS is currently set to have the voltages on "AUTO". All 3 voltage
settings, cpu, ram, and agp are set to "AUTO."
The bios doesnt tell me what the normal voltage should be though
Can anyone tell me what they should be on a NOT overclocked box...and
then what they should be on an overclocked box. Again, I assume the
voltage increases should be proportional to the amount I overclock...
but by how much? like many volts should i try adding for every x mhz
fsb increasing? If you guys could provide me with even ballpark
figures I would appriciate it. Or at least warnings on what NOT to set
them too. I would really prefer not to fry my headware
FYI, My RAM is DDR400... and has nice heatsinks (headspeaders?) on
them...appearntly aluminum.
Thanks,
--Farrell F.
My motherboard is an nForce2 based mobo, and a quick google search
affirmed the rumors that nForce2 based motherboards auto-unlock the
cpu--at least for my specific motherboard.
Without overclocking, it runs at 12.5x166
I first changed the multiplier to 13, but it had no effect. I would
restart, no problems or anything, but when I booted into linux, and
check the cpu speed... it was the same old 2087mhz. I even tried
setting the multiplier to 13.5, 14 etc... still had no affect. The
bios did save the new settings correctly...im sure. I doubble checked
each time to make sure it saved the new multiplier...and it did--it
just didnt seem to actually change it like i would expect. Why isn't
changing the multiplier working??
So then I tried changeing the FSB speed slowly... because I heard that
that's where the real overclocking power comes from on the AMD
Barton's. I changed the fsb to 168... then 169. no problems, but very
marginal speed increases (of course). When I try to up it to 170 or
higher, When my box restarts... The bios just makes a long beep,
reboots, and then goes back to being un-overclocked. I'm assuming it's
trying to tell me it didn't work or want stable at all, and as a safty
measure, reset the speed to the old stuff.
So...I'm sure I can eek out more than a few mhz of a difference from
overclocking. Why couldn't I? ... I assume I need to up some of the
voltages??
My BIOS is currently set to have the voltages on "AUTO". All 3 voltage
settings, cpu, ram, and agp are set to "AUTO."
The bios doesnt tell me what the normal voltage should be though
Can anyone tell me what they should be on a NOT overclocked box...and
then what they should be on an overclocked box. Again, I assume the
voltage increases should be proportional to the amount I overclock...
but by how much? like many volts should i try adding for every x mhz
fsb increasing? If you guys could provide me with even ballpark
figures I would appriciate it. Or at least warnings on what NOT to set
them too. I would really prefer not to fry my headware
FYI, My RAM is DDR400... and has nice heatsinks (headspeaders?) on
them...appearntly aluminum.
Thanks,
--Farrell F.