XP-M 2400+ cannot be identified by bios - set as 600mhz

Zrl201

Member
Nov 12, 2003
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My specs:

Abit NF7-s Rev. 2.0 Award Bios 6.00a?
XP-M 2400+
1GB Kingston pc3200
ATI Radeon 9600 Pro
2 HDD 2 opticals
Thermaltake Silent Boost HSF
Antec Smartblue 350W

When I first booted up, the bios identified my cpu as unknown cpu type and 600mhz (100mhz x 6 multiplier)

I manually setted it to 133 x 13.5 and it booted up fine. Installed windows and everythnig else. I noe OCed it to 2ghz at 175 x 11.5 at 1.45V (actually 174 in bios but cpuz is saying it is 175)

My computer runs stable and fine. Temperature on board is 28C and 38-39C for CPU at 1.45V

So a couple of questions:
- Why is my cpu not being identified correctly?
- Should I flash the bios to a newer version? I'm thinking that 6.00 a is already pretty new correct?
- I cannot set my FSB to 200 (at 1.7V) - it refuses to boot and I have to clear CMOS.
- I think 185 was the highest I been able to go for the FSB
- I'm sure the heatsink is seated correctly as the temps go from 35C to 42C (when voltage is at 1.6) max

It's running at 2ghz fine but I would like the cpu to be identified and run 200FSB if possible. I think the kingston valueram was a really bad idea but 2 sticks running in dual channel for 140 dollars was too sweet to pass up.

I appreciate you guys' help on this matter. I'm at work now so I won't be able to do too much.
 

o1die

Diamond Member
Jul 8, 2001
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Don't worry about it. Mobile cpus aren't identified by many boards. They weren't designed for regular motherboards, so the manufacturers didn't bother to update the bios to recognize it. It's not a big priority, and if your system is running fine, I wouldn't change the bios.
 

Zrl201

Member
Nov 12, 2003
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does 39C at 2ghz (1.45V) sound a bit high? It's in my basement so it's pretty cool down theere during the summer. Maybe I did seat the hsf wrong...

it's a xpider case with a 120mm fan in the back and a 80mm fan blowing in. The xpider case is supposedly designed to keep everything cool. There is arctic silver 5 but it dosen't seem to do too much yet. My old pc in a cramped case with a single 80mm fan and a cheap speeze HSF was also able to run my amd athlon 1600+ at 39C.
 

Jeff7181

Lifer
Aug 21, 2002
18,368
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No BIOS flash is needed, it's normal for mobile processor to be "unknown" by the BIOS.

Put your RAM on the same channel (check your motherboard manual to see what DIMM slots are for which channels, and put both sticks of RAM in the DIMM slots that are on the same channel) and see if you still have problems running the FSB at 200 MHz. If you can get to 200 MHz in single channel mode, but not dual channel, just leave it in single channel. The performance gain from running dual channel isn't worth giving up 15 (or more) MHz on the FSB and RAM.

One thing not related to your questions that you didn't mention though is what you upgraded from. If you upgrade from anything other than a Barton, and you didn't do a clean install of Windows, you might want to double check and make sure Windows is set to use all 512k of the L2 cache instead of just 256k. It's not normally a problem, but I've noticed sometimes that doesn't get changed automatically.

*EDIT* Also, I'm assuming you meant you have a 350 watt power supply. If not, if you really do have a 250 watt power supply, that's most likely your problem.
 

Zrl201

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Nov 12, 2003
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Originally posted by: Jeff7181
One thing not related to your questions that you didn't mention though is what you upgraded from. If you upgrade from anything other than a Barton, and you didn't do a clean install of Windows, you might want to double check and make sure Windows is set to use all 512k of the L2 cache instead of just 256k. It's not normally a problem, but I've noticed sometimes that doesn't get changed automatically.

It's brand new build with a new seagate HDD and I'm sorry for the confusion, Antec Smartblue 350 Watts.

Windows xp identifies the cpu as unknown typ and 2 GHZ. On cpuZ, the 512 k cache is listed buti'm not sure how to check for windows.
 

Zrl201

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Nov 12, 2003
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If I want 200 FSB, how much voltage should I give it? The highest I gave it so far is 1.65. I don't want to give it too much as my temps go up if I give it more voltage.
 

Jeff7181

Lifer
Aug 21, 2002
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You shouldn't need to give it any more voltage to get the FSB to 200. Have you tried it at 200? Or did you start low and slowly work your way up until it became unstable?
 

Zrl201

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Nov 12, 2003
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It was 133 x 13.5 first - the default, then slowly up to 174x 11.5 now. Along the way, I setted it to 200 and 190 and 185 just to see what happens. Anything above 185 at 1.575 voltage refues to post. I even set the voltage to 1.65 for the 200 but it refuses to post.
 

Jeff7181

Lifer
Aug 21, 2002
18,368
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Originally posted by: JeffCY
Have you tried increasing memory voltage?

It's worth a shot... but usually it'll complete the POST even if there is memory problems. The single/dual channel problem is more of a chipset problem than the RAM itself.
 

gistech1978

Diamond Member
Aug 30, 2002
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same chip, same board
mine did the same thing when i first put it in.

i was able to hit 200x11 at 1.50v
 

Zrl201

Member
Nov 12, 2003
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Just got home - weird little thing. Abit Eq is measuring my temperature as 29C. That's a full 10 degres drop from yesterday.

I guess if it stays this way, I'll leave it as it's rock solid right now at 175 x 11.5. 2 ghz is fine with me. It's pretty quiet too.

If I do need to tweak it in the future as it shows its age, I'll let you guys know. Thanks for all the help. I'll read up on memory timing and other issues and hopefully be more knowledgable in the future. Thanks.
 

JeffCY

Member
Jun 1, 2004
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Originally posted by: Jeff7181
It's worth a shot... but usually it'll complete the POST even if there is memory problems. The single/dual channel problem is more of a chipset problem than the RAM itself.

What is this problem that you're referring to? I have the NF7-S and I'm running dual channel at 217x11.5 with no problems. I think I was only able to post at high FSBs after increasing vdimm to 2.7 though.
 

Zrl201

Member
Nov 12, 2003
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Originally posted by: JeffCY
What is this problem that you're referring to? I have the NF7-S and I'm running dual channel at 217x11.5 with no problems. I think I was only able to post at high FSBs after increasing vdimm to 2.7 though.

Hmm. The thing is that I don't know too much about vdimm and such so I doin't want to mess with it. My Ram is set at stock setting so I guess it's not enough. I left the ram settings as optimal.

One other question, I got it at 175x12 right now = 2100. It runs at around 35C.