Overclocking the 2500 mobile?

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neokeelo

[H]ard|Gawd
Joined
Sep 9, 2002
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2 quick questions.

1. I updated my kd7 bios to the newest one but my motherboard still does not know it is a 2500 Mobile. It just says unrecognized cpu. Is this Normal?

2. I am trying to OC a AMD 2500 Mobile on this KD7 motherboard. I have OC Intel alot but never AMD.

what is a good voltage, FSB and ratio to run if I want to hit 2.2 Ghz (3200 speeds)

I have tired a few but have not had a succesful boot. Also do I need to mess with the ram settings any?
I am using 1 stick of Corsair PC3200.
 
1.) Yes
and
2.) Do a search on the forums for "mobile overclocking" or something like that but 1.7 would be safe I believe.
 
Both of my Mobile 2500s hit 3200 speeds no problem. Both are running at 11 x 200 with 11 being the multiplier and 200 the FSB of course. One of them required 1.6 volts to run stable the other needed 1.7 volts, just depends on the specific chip.
 
any reason you only want to run that XP-M at 2.2GHz? push it to 2.5Ghz!!
 
I've got my 2500 running almost 2.4Ghz. I think it's 14x170 @ 1.55v. I can't unlock the multi on mine (super locked), so I've gotta go with tamer settings.
 
Im just not sure what the ram needs to be set at under dram options. and the ratio, Im used to Intel so Im still trying to figure it out.
 
Yep... 1:1 for sure.
A 1.6 or 1.625 voltage should be fine. And if it doesn't work as well as it should at 11x200, move the voltage on the RAM up to 2.7 or 2.8. My RAM supposedly doesn't support 2.9, so be weary of your RAMs max voltage.
 
Leave the settings stock and make sure you have it the system at 1:1.
pc3200 Memory and a FSB of 400, something like that. You want to set the FSB to the speed of the memory.
 
running a m2500+ on my soltek nf2

currently running my proc at 175x13 (2275) at the stock voltage on the core and ram. im suprized to see that almost everyone is upping the core voltages did i just get a lucky proc or something that doesnt need it or am i doing something wrong ??? :p
 
currently running my proc at 175x13 (2275) at the stock voltage on the core and ram.
Click to expand...

You aren't the only one to hit that speed stock, I didn't up the voltage until i went over 2.3ghz. Thats running the 200mhz fsb bus too, and i made it to 2.4 rock solid with only 1.65 volts, so i gained 200mhz over the 3200+ at the same voltage.

I would suggest running 200mhz fsb if your ram can handle it, it makes a difference.
 
Imitation said:
You aren't the only one to hit that speed stock, I didn't up the voltage until i went over 2.3ghz. Thats running the 200mhz fsb bus too, and i made it to 2.4 rock solid with only 1.65 volts, so i gained 200mhz over the 3200+ at the same voltage.

I would suggest running 200mhz fsb if your ram can handle it, it makes a difference.
Click to expand...

Running at 225 FSB is even nicer! :) I got over 3200 on Sandra mem scores with this setup.
 
id run a lower multi and higher fsb if the motherboard could handle it
it doesnt even post at a 190 fsb so im just playing it safe and keeping it at 175 atm
 
neokeelo said:
I am using 1 stick of Corsair PC3200.
Click to expand...

I'm thinking 200FSB shouldn't be too hard then...but I wonder what mobo you are using?

AYE...the KD7 is a KT400 mobo. I'm sorry, 200FSB is going to be very difficult, if not impossible b/c your mobo doesn't have a PCI/AGP lock.
 
CrimandEvil said:
Leave the settings stock and make sure you have it the system at 1:1.
pc3200 Memory and a FSB of 400, something like that. You want to set the FSB to the speed of the memory.
Click to expand...

How do I set that up in the bios? I don't think there is a ram to FSB ratio option on the kd7 is there?
 
ok i hit 2.2ghz ( 185x 12) so thats not bad right? Im pretty sure I could go higher but Im happy for the moment. Does having your ram run at 370mhz insted of 400 mhz really effect your overall speed that much in gaming?
 
Running 250FSB (500mhz) is even better! 3800-4000 on Sandra :)

I usually run safely at 240x10 though I can do 250x10. At 2.4Ghz, the CPU only needs 1.675-1.7v but if I try 2.5Ghz, I need to pump like 2.0v into it. The extra 100mhz just isn't worth all the extra voltage, heat, and associated problems.

My memory is running at 2.6v for 240FSB (480mhz). Again, we have that huge leap again, where an extra 10mhz to 250 requires like 3.1v. It's just not worth it.

Yes, memory bandwidth is very important for games.
 
so is running my system at 185 ( 370 mhz ram) insted of 200 really going to make that much of a diffrence than 200 (400mhz ram)?
 
Spare-Flair said:
Running 250FSB (500mhz) is even better! 3800-4000 on Sandra :)

I usually run safely at 240x10 though I can do 250x10. At 2.4Ghz, the CPU only needs 1.675-1.7v but if I try 2.5Ghz, I need to pump like 2.0v into it. The extra 100mhz just isn't worth all the extra voltage, heat, and associated problems.

My memory is running at 2.6v for 240FSB (480mhz). Again, we have that huge leap again, where an extra 10mhz to 250 requires like 3.1v. It's just not worth it.

Yes, memory bandwidth is very important for games.
Click to expand...


Damn you! Hahah.. that's why I should have gotten the DFI LanParty instead of the NF7-S. The DFI's go so much higher in FSB with more stability.

Anyhow, my A64 should be coming in monday!
 
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