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Z92Km not booting from battery.

post #1 of 26
3/8/06 at 4:23pm
Thread Starter 
I have a Z92Km that will not boot past the Press F2 for setup ESC for Popup when in battery mode. THis is the second unit that has done this to me anone know whats up?
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post #2 of 26
3/8/06 at 5:56pm
Quote:
Originally Posted by Asoulintime1982
I have a Z92Km that will not boot past the Press F2 for setup ESC for Popup when in battery mode. THis is the second unit that has done this to me anone know whats up?
I've heard that MT-40 25w CPUs is not compatible, ML-40 35w works fine.
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post #3 of 26
3/8/06 at 5:57pm
Thread Starter 
Quote:
Originally Posted by GenTechPC
I've heard that MT-40 25w CPUs is not compatible, ML-40 35w works fine.
It works fine if I use AC Adapter the problem only happens when I try to turn it on from the battey. So I doubt that is it.
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post #4 of 26
3/8/06 at 6:03pm
Quote:
Originally Posted by Asoulintime1982
It works fine if I use AC Adapter the problem only happens when I try to turn it on from the battey. So I doubt that is it.
Yes the compatibility problem with MT-40 25w is that it will only boot from AC and will not boot from battery power.
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post #5 of 26
3/8/06 at 6:04pm
Thread Starter 
Quote:
Originally Posted by GenTechPC
Yes the compatibility problem with MT-40 25w is that it will only boot from AC and will not boot from battery power.
There any fix out there for this? Also if thats the case what MT cpu can I use I don't wnat to use a ML. Also where are you getting your info from?
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post #6 of 26
3/8/06 at 6:08pm
Quote:
Originally Posted by Asoulintime1982
There any fix out there for this? Also if thats the case what MT cpu can I use I don't wnat to use a ML. Also where are you getting your info from?
The only fix for this problem is to change your CPU, I heard this from Asus and one of my customer.

MT-40 is the only CPU that is not compatible, MT-37 and all other MTs works fine and so is all other ML.
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post #7 of 26
3/8/06 at 6:10pm
Thread Starter 
Quote:
Originally Posted by GenTechPC
The only fix for this problem is to change your CPU, I heard this from Asus and one of my customer.

MT-40 is the only CPU that is not compatible, MT-37 and all other MTs works fine and so is all other ML.
What so differant about the MT-40 that makes it the only one that does this?
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post #8 of 26
3/8/06 at 6:18pm
Quote:
Originally Posted by Asoulintime1982
What so differant about the MT-40 that makes it the only one that does this?
I am not sure, the ML and MT are exact same core except the voltage and Thermal Design Power.

maybe the multiplier, both MT-40 and ML-40 has X11 multiplier except MT is 25w and ML is 35w, and MT-37 has X10 multiplier with 25w, so it maybe that the laptop can not multiply the CPU to X11 at 25w when it's using the battery power.
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post #9 of 26
3/8/06 at 6:20pm
Thread Starter 
Quote:
Originally Posted by GenTechPC
I am not sure, the ML and MT are exact same core except the voltage.

maybe the multiplier, both MT-40 and ML-40 has X11 multiplier except MT is 25w and ML is 35w, and MT-37 has X10 multiplier with 25w, so it maybe that the laptop can not multiply the CPU to X11 at 25w when it's using the battery power.
Does Asus know about this problem and have any plans on fixing it?
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post #10 of 26
3/8/06 at 6:44pm
Quote:
Originally Posted by Asoulintime1982
Does Asus know about this problem and have any plans on fixing it?
Yes they know, both A6U and Z92KM does not support MT-40, unless you want to wait to see if they have BIOS update in the future, but as of now change CPU is the only way to fix this problem.
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post #11 of 26
3/8/06 at 9:02pm
Thread Starter 
Quote:
Originally Posted by GenTechPC
Yes they know, both A6U and Z92KM does not support MT-40, unless you want to wait to see if they have BIOS update in the future, but as of now change CPU is the only way to fix this problem.
Any idea if and when they might release this update?
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post #12 of 26
3/8/06 at 9:07pm
Quote:
Originally Posted by Asoulintime1982
Any idea if and when they might release this update?
We don't know.
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post #13 of 26
3/8/06 at 9:26pm
Thread Starter 
That always sucks thanks for the help. My reseller also called ASUS and said the same thing. SO I guess a cheap Sempron tell they release an update.
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post #14 of 26
3/8/06 at 9:30pm
ASUS Notebook Support confirmed it was an issue with the MT-40 only.
Hopefully a BIOS update will be out soon to fix this...
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post #15 of 26
3/8/06 at 11:46pm
What if you manually downclock it in the bios so its recognized as another CPU?
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post #16 of 26
3/8/06 at 11:48pm
Thread Starter 
Quote:
Originally Posted by ZGold550
What if you manually downclock it in the bios so its recognized as another CPU?
Its a laptop. Meaning it has a cripped BOIS. Also its nto a speed issue since the ML-40 will worjk from what im told its only the MT-40 that does not work. I found anther source about this on AMD Forum.

http://forums.amd.com/index.php?show...0&#entry637688
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post #17 of 26
3/9/06 at 1:48am
Quote:
Originally Posted by Asoulintime1982
Also its nto a speed issue since the ML-40 will worjk
maybe not enough juicy for battery to multiply X11 at 25w by current BIOS version.
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post #18 of 26
3/9/06 at 3:06am
Thread Starter 
Quote:
Originally Posted by GenTechPC
maybe not enough juicy for battery to multiply X11 at 25w by current BIOS version.
Who knows but I guess its a common issue. I ordered a Sempron 3000+ 25w From our friends at c9tech and hopefully that works.
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post #19 of 26
3/9/06 at 6:39am
Quote:
Originally Posted by GenTechPC
maybe not enough juicy for battery to multiply X11 at 25w by current BIOS version.
That wouldnt' make much sense since it can run the ML-40 35w just fine.
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post #20 of 26
3/9/06 at 6:43am
Thread Starter 
Quote:
Originally Posted by c9tech
That wouldnt' make much sense since it can run the ML-40 35w just fine.
I agree here. Sasha did ASUS give a reason it does not work?
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