In article <44fee01a$0$25455$>, Dimitri Salikov
<> wrote:
> A friend of mine was running an Athlon xp 2200+ on a AOpen AK79D-400
> Max. He's transfering vhs tapes to dvd, and would have liked a bit more
> juice, and get rid of his pesky loud cpu cooler at the same time.
>
> So i suggested to get a mobile athlon barton core and overclock it to
> 3200+ with some lighter cpu cooler.
>
> He went on ebay and got a 2800+ 16.5x133. When he puts it into the
> board it will post but at 6x100, and he can't change the 6 to anything else.
>
> The manual of the board states the board is capable of 5-22, selectable
> in the bios.
>
> This is a mobile, i thought they came fully unlocked, and it's an nforce
> 2 board, so shouldn't the multipliers be unlocked? My asus a7n8x deluxe
> unlocked my 2500+ barton without problems.
>
> He has the latest bios, and the system posts and boots, but we can't get
> anything out of it, on a different multiplier.
>
> Are we overlooking something?
>
> Can something be done to force the motherboard to run the cpu at another
> multiplier?
http://club.aopen.com.tw/forum/searc...rch&forumID=17
http://club.aopen.com.tw/forum/viewm...essageID=64866
|"this mainboard detect that this CPU is Mobile Athlon XP , but set wrong
multiplier and wrong CPU voltage but if I try change multiplier to 14 -
that should work for 1,84Ghz or set good voltage settings to 1,650 -
that is correct setting for this CPU - when i save and exit setting -
bios always reset and set default setting
i CAN'T change anything in bios settings for CPU- always bios reset
I try this with bios 1.07, 1.08, 1.09, 1,10 and latest 1.11 - always wrong,
sometimes bios set CPU voltage 1,25V or some 1,65V , but now is set to 1,20V
and CPU Multiplier to 6.0"
In this thread, the board appears to revert to 6x multiplier, after AC
power is removed to the PC. So they did manage to get a XP-M 2500+ to
work, but not permanently.
http://club.aopen.com.tw/forum/viewm...essageID=62233
And the funny thing is, it looks like there is an Attansic ATXP1 48 pin
overclock controller next to the CPU socket. That is supposed to allow
changing multiplier control bits.
http://www.pcstats.com/articleview.c...id=1439&page=2 (review)
http://www.pcstats.com/articleimages...9d400_sock.jpg (picture)
So the problem would appear to be a BIOS that needs work.
http://www.attansic.com/english/products/index.html
http://www.attansic.com/english/prod.../ATXP1_1.1.pdf
Maybe the solution would be to use wire tricks/socket mods. You can
either install wires as per the socket view, or turn the motherboard
over and solder wires as per the CPU view. Set the multiplier menu
to the desired value on the Ocinside.de web page. The multiplier value
you use may depend on the FSB clock speed you selected. If the mobile
is a Barton core, then FSB400 should be possible, and something like
200x11 should work. To run 200MHz and a multiplier of 11, you'd need
some DDR400 RAM.
http://www.ocinside.de/go_e.html?/ht...md_pinmod.html
When using the wire trick, use the "Auto" multiplier setting in the
BIOS. Using the "Auto" setting, is so the overclock controller chip
does not fight with the wire tricks.
I think I'd just find another motherboard that is more suited for
use with a Mobile AthlonXP.
Paul