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Problem i cant solve....

mrbios

mrbios

mrbios

Soldato
Joined
7 Jun 2003
Posts
16,125
Location
Gloucestershire
mates got a barton 2500+ and an asus A7N8X-X motherboard, 2x512mb PC3200 ram

problem is the FSB is stuck at 100mhz (multi is 11x and voltage is 1.65v as it should be) it was all running fine until a few days ago, hes replacing his graphics card because the fan died on his old one

every time he changes the FSB to 166 (which is what it should be) it stops on the post screen, doesnt let him into the bios etc, just locks up

what could be causing this? what could he try to solve this?


EDIT: oh and he cant run in dual channel either, dont think it boots if he has the ram in slots 1 and 3, only 2 and 3 (or 1 and 2 which ever way around it is)
 
That board doesn't support dual channel according to ASUS, has he cleared the bios and checked the jumper for the FSB is correct.
 
Check the CPU-FSB jumper (next to the north bridge) is installed and set to pins 1/2

Check the speed is changed in 'advanced chipset features' and the option 'CPU External Frequency' is set to 166

Check the AGP speed is set to Auto or 66

Memory frequency should be set to sync so that it runs at 333, this is usually the best match for the XP.

Resulting memory frequency should be 166Mhz

AD
 
all thats been done too

hes managed to get it to run at 133 now resulting in 1.47ghz or something near that by moving the FSB jumper and then putting it back again, but when set to 166 it just gets to a different point in booting and locks up, only once did it manage to get to the windows loading screen at that setting as well

any ideas what the problem could be now?
 
When the previous GPU fan failed did it cook the card ? could be damage to the mainboard.

Alternatively if you have installed a more powerful video card the PSU may struggle to deliver the required output at full speed. Bootup is uses a fair whack of power.

All you can do then is unplug all drives so you have 1 Dimm and the Vid card - see if this boots to the point it looks for an operating system. If it gets that far add in the main HDD and try again.

Otherwise there is nothing obvious
 
it didnt cook the card, he could still play css with it only problem was it got mighty toasty lol

hes got a 550w psu, im not sure of what model but either way that should do fine for a system of that spec, hes got a new gfx card which arrived yesterday, he can still play games with it but hes still missing out on that extra 300mhz or so
 
Has he tried putting the old video card back in and seeing if he can boot at 166. What psu is it as even though its 550w it might have low amps on the 12v rails
 
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