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| Sony Sony VAIO laptop questions and comments go here. |
01-22-2009, 11:53 AM
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#131
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NBR Vaio Team Curmudgeon
Join Date: Jun 2007
Posts: 5,027
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by iconoclaster
In terms of performance and responsiveness of VPC 2007, I noticed some improvement (less sluggish that is) after VT was enabled. But what really made a big difference, was adding <enable_idle_thread type="boolean">true</enable_idle_thread> to options.xml. This was a tip by Ben Armstrong for improving performance of VPC on laptops. |
Quote:
Originally Posted by romansky
Which tools to use? what is the process? please advice.
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Did you even bother to follow the link in the original message? It has fully detailed instructions that could not posssibly be clearer on how to do this.
Gary |
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01-23-2009, 05:30 AM
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#132
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Newbie
Join Date: Jan 2009
Posts: 6
Rep Power: 3 
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by romansky
Which tools to use? what is the process? please advice.
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To enable VT: follow the excellent instructions by Bogart in the first post of this thread.
To max out your processor for VPC: follow the instructions as described by Virtual PC Guy (click on the link in my previous post).
HTH |
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01-24-2009, 10:10 AM
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#133
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Notebook Enthusiast
Join Date: Jan 2009
Posts: 17
Rep Power: 3
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by iconoclaster
To enable VT: follow the excellent instructions by Bogart in the first post of this thread.
To max out your processor for VPC: follow the instructions as described by Virtual PC Guy (click on the link in my previous post).
HTH
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It doesnt work on my 64bit VPC. There isnt even options.xml file. |
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01-24-2009, 02:41 PM
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#134
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Newbie
Join Date: Jan 2009
Posts: 6
Rep Power: 3
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by Rascal
It doesnt work on my 64bit VPC. There isnt even options.xml file.
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Did you try it on BIOS version R2090J8? Since it is a BIOS setting, I am surprised it would work in 32 bit VPC (which I am using) and not in 64 bit VPC.
options.xml should be in a subdirectory "Virtual PC" located under your profile's directory. You could try finding options.xml in "C:\Users\<your_profile_name>\AppData\Roaming\Microsoft\Virtual PC".
Last edited by iconoclaster : 01-24-2009 at 02:47 PM.
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01-25-2009, 04:02 AM
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#135
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Newbie
Join Date: Jan 2009
Posts: 4
Rep Power: 0
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by iconoclaster
To enable VT: follow the excellent instructions by Bogart in the first post of this thread.
To max out your processor for VPC: follow the instructions as described by Virtual PC Guy (click on the link in my previous post).
HTH
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Sorry for the confusion, I actually own a sony vaio SR.
This model comes with AMI BIOS...
I am personally confused with this thread and its mixed BIOS revisions / makers.
Please advice! |
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01-26-2009, 04:01 AM
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#136
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Newbie
Join Date: Jan 2009
Posts: 6
Rep Power: 3
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by romansky
Sorry for the confusion, I actually own a sony vaio SR.
This model comes with AMI BIOS...
I am personally confused with this thread and its mixed BIOS revisions / makers.
Please advice! |
Unfortunately I cannot offer any specific advice on enabling VT in the AMI BIOS. The BIOS of my machine is Phoenix BIOS version R2090J8. I was successful in enabling VT in large part thanks to the info, although not specific for my BIOS version, in this thread. Of course I dreaded the risk of bricking my machine to use trial by error to find the right register but I guess my annoyance that VT was disabled, was far more greater than my fears. 
You might consider a multi-boot configuration as a (second-best?) alternative to VT. Good luck.
Last edited by iconoclaster : 01-26-2009 at 04:20 AM.
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01-26-2009, 10:16 AM
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#137
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Notebook Enthusiast
Join Date: Jan 2009
Posts: 17
Rep Power: 3
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
Quote:
Originally Posted by iconoclaster
options.xml should be in a subdirectory "Virtual PC" located under your profile's directory. You could try finding options.xml in "C:\Users\<your_profile_name>\AppData\Roaming\Microsoft\Virtual PC".
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I found it now, thanks! |
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02-07-2009, 03:40 AM
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#138
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Little Miss SuperMod
Join Date: Feb 2006
Posts: 2,777
Rep Power: 21 
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Re: How to Enable Intel VT and AHCI on a Napa/Santa Rosa Phoenix BIOS Vaio laptop
I have spilt this thread and moved the majority of posts about the Montevina VAIO Z, FW, AW, SR laptops over to this thread. http://forum.notebookreview.com/showthread.php?t=350209
Bogart was kind enough to start this a while back and this thread OP is pretty clear that this fix was intended for VAIO owners with Phoenix BIOS laptops. This fix will not work for you if you do not own a Phoneix BIOS vaio.
__________________
Sony SZ71WN/C 2.5, 4GB, 128GB SSD, WWAN, 3,89lbs, Vista 32bit
Sony TT white, 1.6 SU9600, 4GB 64bit, 128GB SSD, WWAN, HDMI W7 64bit.
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02-14-2009, 06:51 AM
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#139
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Newbie
Join Date: Feb 2009
Posts: 5
Rep Power: 3
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
ARRGH!
I have the AR71ZU which has the same BIOS (R2090J8)
Following all the instructions with symcmos and register 0285 = 0001 using a DOS boot CD, I reboot and the machine doesn't boot. I power off the machine and when I restart it, the BIOS has reverted to the factory defaults.
Any ideas?
Quote:
Originally Posted by iconoclaster
The BIOS version of my AR71S is R2090J8. After I changed the value of register 0285 to 0001, VT was enabled.
After reading this thread over and over, trying to find the info for my BIOS, I decided to give it a shot. I was going to focus on register 027F because that worked for the AR series (except for the AR21S).
I opened the cmos dump file, created with symcmos, in the dos editor... and to my dismay register 027F has the value 0005! Not 0000.
Next I decided I was only going to try the registers starting with 02 but higher than 027F. The first register I tried was 0285. Did a cold boot. Checked VPC and, lo and behold, VT is enabled!
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02-17-2009, 04:11 AM
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#140
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Newbie
Join Date: Jan 2009
Posts: 6
Rep Power: 3
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Re: How to Enable Intel VT and AHCI on a VAIO SZ
I am aware that you said you followed all the instructions, but just to double-check: did you coldboot after updating the NVRAM with -u flag?
I will post the symbol table of my NVRAM settings later here, so you may use it to compare it with yours.
Quote:
Originally Posted by DrCrank
ARRGH!
I have the AR71ZU which has the same BIOS (R2090J8)
Following all the instructions with symcmos and register 0285 = 0001 using a DOS boot CD, I reboot and the machine doesn't boot. I power off the machine and when I restart it, the BIOS has reverted to the factory defaults.
Any ideas?
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