Mobile XPs aren't locked right?

[MoeStooge]

I'm helping a friend put together a new system (over the phone) and I've run into a problem. He's got an Abit NF7-S (rev 2) and an Athlon XP Mobile 2500+. When I was walking him through the Soft Menu setup I had him set the FSB to 200 and the multiplier to 9 so that it would be at its default clock = 1800 Mhz. Whenever it's at this setting the system won't post. If I have him set it to 18 * 100 then it will boot. Am I missing something here?

The motherboard doesn't recognize the cpu which I assume is normal for mobile Athlons in desktop motherboards, but why would 9 * 200 not work.

 

[charloscarlies]

What kinda ram is he running?

 

[Soulkeeper]

did you try 8 8.5 9.5 and maybe 10 ?
probably just some bios setting unless it is a hardware issue or doa


good luck

 

[akseli]

Originally posted by: MoeStooge
I'm helping a friend put together a new system (over the phone) and I've run into a problem. He's got an Abit NF7-S (rev 2) and an Athlon XP Mobile 2500+. When I was walking him through the Soft Menu setup I had him set the FSB to 200 and the multiplier to 9 so that it would be at its default clock = 1800 Mhz. Whenever it's at this setting the system won't post. If I have him set it to 18 * 100 then it will boot. Am I missing something here?

The motherboard doesn't recognize the cpu which I assume is normal for mobile Athlons in desktop motherboards, but why would 9 * 200 not work.

Does that mobo lock AGP and PCI speed? If not there's your problem ... you are trying to increase the speed of AGP and PCI at the same time ... that means chaos.

 

[ectx]

Most likely it is memory. Ir it is the mb. Some rev 2 does not run 200fsb properly (or need some tweak to get it up there). So I heard.

mobile xp's are unlocked and it is normal the bios does not recognize the chip.

I would try 11x166 and 10 x180. If they both post, then it got tio be mrmory or mb problems.

 

[Cheetah8799]

Sounds like he maybe has the memory set to run at the same fsb as the cpu. If the memory is being overclocked at the 200mhz cpu fsb setting, then he needs to change the ratio of the memory fsb to cpu fsb so it runs the memory at 266mhz or 333mhz, whichever it supports.