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3790 Speed Stepping Issue & Fix - Page 6

post #101 of 122
9/3/04 at 5:06pm
Sigh,

looks like i'm the only one on w2k still, and the only one w/ a problem w/ the speedstep cause of it, hopefully linux doesn't have this issue as well
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post #102 of 122
9/3/04 at 5:47pm
fyi... my 3790 shipped aug 30, and it came with the new bios
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post #103 of 122
9/3/04 at 8:44pm
That is good to know....mine is arriving on tuesday.
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post #104 of 122
9/18/04 at 9:27pm
Quote:
Originally Posted by Luke@PCTorque
2 Options
1. Please contact Sager for the Windows XP processor update file for the Centrino processor. Sager will mail you a CD containing the files(or just google Q332179).
or
2. Download Win XP SP2 from windowsupdate.com

Next to fix the wording issue in the BIOS

Request new BIOS from Sager, all 3790s being shipped now are fixed for this.

A new BIOS update has been released to correct the some what vague options. This new BIOS only has 2 options:

1. Max Performance Mode: (Windows Power setting"portable/Laptop")

Under this setting both under AC or Battery power the Processor will Scale as the utilizing demand changes range from 600~MAX, when AC is plugged or unplugged it’ll be forced at MAX until a program is ran or closed.

To enable Full MAX speed all times change Windows Power Setting to “Always On”

2. Max Battery Mode: (Windows Power Setting “Portable / Laptop”)

Under this setting under AC power the processor will Scale as the utilizing demand changes, under Battery only mode the processor will be forced at 600mhz to provide longer battery run time.
Hey, I just received my 3790 and this is quite urgent. I would really like to know if the patch has already been applied to my 3790 (ordered with WinXPP). Is there a way to check without using the monitoring programs?
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post #105 of 122
9/19/04 at 1:01am
Hmm...I just checked Sager's site, but they don't have the bios update posted yet.

Any one know where I should be checking?
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post #106 of 122
9/19/04 at 6:55am
like luke said... if there're only two choices in the bios then u have the new one... the old one has three choices
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post #107 of 122
9/19/04 at 2:23pm
Has it been confirmed that the newer 3790's no longer have this problem?
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post #108 of 122
9/19/04 at 5:12pm
Quote:
Originally Posted by jw95275
like luke said... if there're only two choices in the bios then u have the new one... the old one has three choices
I am not talking about the BIOS (yes it has two), but I am talking about the SP1 patch that lets the cpu adjust clocks properly. Luke I hope you read this!
I did google for the patch, however, I could not find a single place to dl it.
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post #109 of 122
9/19/04 at 5:28pm
Windows XP SP2 IS the patch.
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post #110 of 122
9/19/04 at 6:46pm
There is no SP1 patch out there for the "speedstep" problem. To fix the issue, you must have SP2. It serves as the patch to resolve this issue.
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post #111 of 122
9/19/04 at 6:49pm
Quote:
Originally Posted by Shotgun-X
Hey, I just received my 3790 and this is quite urgent. I would really like to know if the patch has already been applied to my 3790 (ordered with WinXPP). Is there a way to check without using the monitoring programs?
You really don't need the BIOS patch from Sager,Shotgun. All it does, as Luke explained, is changed the wording of your power setting choices. The real thing you need to check is whether or not your Windows XP already has Service Pack 2 installed. Go to the Windows Update site and let them check to see if you have it: if you don't Microsoft will automatically detect this and set you up to download SP2. Once this is done, follow Luke's recommendations on settings and you are set.
Sager's patch will not change the way your cpu operates at all. Just changes wording.
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post #112 of 122
9/19/04 at 7:04pm
Quote:
Originally Posted by obimattkenobi
There is no SP1 patch out there for the "speedstep" problem. To fix the issue, you must have SP2. It serves as the patch to resolve this issue.
i don't have my 3790 yet so i can't test it myself, but if what you say is true, then what does this do?

http://solution.fujitsu-siemens.com/...iste_Amilo.htm

here is what the readme file (found here) says:

Quote:
Microsoft has released a processor driver for Windows XP Service Pack 1 (SP1) that supports the mobile power management
features of Intel Pentium M processors. These features include Intel Enhanced SpeedStep Technology and Intel Deeper
Alert Sleep State. Without this processor driver, Windows XP-based computers that are based on the Intel Pentium M
processor may experience reduced battery life, decreased performance, or increased operating temperatures.
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post #113 of 122
9/19/04 at 8:22pm
Okay. There is a patch for SP1.

However, there's no reason you shouldn't be running SP2 at this point.

The BIOS update gets rid of the third "automagic management" setting.

Just get SP2, reboot. go into the BIOS, set it to always run at max power, and then go back into windows, make sure you're in "Portable/Laptop" mode, and look at porn or play games or whatever you do. That's all you have to do.
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post #114 of 122
9/19/04 at 9:15pm
The guy how programmed the i8kfan program for the Dell I8600 also made this program called SpeedSwitchXP which is an alternative to the power management of WinXP and if installed supercedes the WinXP setting.

Here the link...
http://www.diefer.de/speedswitchxp/index.html

I used to have it installed on my Dell I8200 and it actually hellped with battery life up to 15% or if it was set to dynamic ran at the lowest speed possible as long as the load was not an issue and once applications where ran that demanded more CPU power the software throttled the clock up.

Also nice about this is that it uses its own clock meter, which is more accurate than XP's crappy interpretation of how fast the CPU is really clocked at.

Give it a shot.
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post #115 of 122
9/19/04 at 10:12pm
Anosis,
SpeedswitchXP will not work on the 3790 unless SP2 is installed. This was one of the reasons we found out the cpu on the 3790 was not throttling up and down. We downloaded Mobmeter and noted the cpu speed was not fluctuating, but was stuck at either 600mhz or 2ghz (depending on where we had the BIOS set). So, we tried SpeedswitchXP, only to discover, it would have no effect on the cpu speed, either. Playing with Windows' own power settings would fail as well. That's how this whole issue evolved. It was only after Luke took the issue to Sager (several times) that the solution (posted by Luke above) was discovered. As to why SP2 is required for this to work properly . . . only The Shadow knows.
I wil say that, now that I've had SP2 running well on my 3790 for several weeks, I did try to run SpeedswitchXP again. It seems to work fine, now.
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post #116 of 122
9/20/04 at 12:04am
Quote:
Originally Posted by obimattkenobi
Anosis,
SpeedswitchXP will not work on the 3790 unless SP2 is installed. This was one of the reasons we found out the cpu on the 3790 was not throttling up and down. We downloaded Mobmeter and noted the cpu speed was not fluctuating, but was stuck at either 600mhz or 2ghz (depending on where we had the BIOS set). So, we tried SpeedswitchXP, only to discover, it would have no effect on the cpu speed, either. Playing with Windows' own power settings would fail as well. That's how this whole issue evolved. It was only after Luke took the issue to Sager (several times) that the solution (posted by Luke above) was discovered. As to why SP2 is required for this to work properly . . . only The Shadow knows.
I wil say that, now that I've had SP2 running well on my 3790 for several weeks, I did try to run SpeedswitchXP again. It seems to work fine, now.
Ah. Last time I used SpeedSwitchXP was even before SP1 and it seemed to work then. So during the SP1 integration MS f'ed something up?
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post #117 of 122
9/20/04 at 12:11am
I don't think so. Think it has something to do with the 3790 itself, not MS. Drawmonster, Computiac . . . you guys want to weigh in here with the scoop? I'm too much of a newb to know the intricate workings of this whole mess.
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post #118 of 122
9/20/04 at 12:43am
Quote:
Originally Posted by patchmonkey
However, there's no reason you shouldn't be running SP2 at this point.
if it ain't broke...

i've heard about too many iffy experiences and mixed results with regard to SP2, so i'm just going to stick with SP1 until/unless something significant comes along and forces me to upgrade.

my 3790 will be delivered tuesday, so i will personally test SP1 with the patch i found and let everybody know the results if nobody has done it before then.
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post #119 of 122
9/20/04 at 2:36am
all the iffy experiences i've heard are once where the user upgraded... haven't heard one bad thing on fresh installs

after saying that i'm sure someone here will try to disapprove that
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post #120 of 122
9/20/04 at 2:57am
also, reports like this one from mobilepcmag.com make me want to at least wait for more information before jumping into SP2..

Quote:
Service Pack 2 slams on the brakes
12:30 PM - Friday, September 17 2004 ~

News outlets have been getting carried away in the flood of stories about Microsoft's release of Service Pack 2 (SP2) for Windows XP, but no one has addressed the issue of performance with the new update. Well, we happen to have a few notebooks lying around the office, so we fired it up on a few -- 10, to be exact -- and then ran our benchmarks on the units. The verdict? SP2 can make your notebook run sloooow.

Slower, anyway. Among the 10 systems, SP2 resulted in a performance hit of 3 to 22 percent on eight of the 10 machines. Granted, two saw small performance increases, but the average decrease in performance was a whopping 9 percent. (All tests are based on Sysmark 2002's Business Productivity test.) We asked Microsoft if it was aware that there was a performance issue after upgrading to SP2, a spokesperson replied that Microsoft "takes all feedback on the performance of Windows XP SP2 seriously. At this time we are not aware of performance degradation on PCs running Windows XP SP2." That's funny, we thought we just told them that there was a performance problem. Watch for a thorough examination of SP2 performance in an upcoming issue of Mobile PC.
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