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Modified BIOS for Microserver N40L enables hidden features


diehard
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I'm really glad to hear you back everything up before doing stuff like this. Thumbs up! :)

 

I think pulling the drives before doing things like this is a good idea.

 

It sounds like you've got a really good handle the AHCI procedure.

 

Please post back with your results.

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Ikon,

 

Yeah, we all learn it the hard way.....once. And it never happens again.

 

Yeah, the AHCI thing is much more clear now. Before I did not understand the interdependance of the settings due to the fact I don't know what I don't know about them.

 

I'll keep ya posted.  Trying to make this darn USB key now and can't seem to get a factory key made. Too few files in the folder when done I think....aaagh. Tinker some more. <_<

Edited by judgeschambers
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I have done the AHCI switch after the OS is installed a few times. It's really not hard IMHO.

 

First, boot WHS2011 normally.

 

Next, make a change to the registry:

 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msahci]

"Start"=dword:00000000

 

Exit the registry editor.

Reboot and go into the BIOS (do NOT let Windows start!).

Change the SATA setting to AHCI.

Save the settings and boot up.

That should be it (I hope I haven't forgotten anything).

 

Can anyone else confirm?

 

Now I feel like a total noob. Been a looooong while since I've edited the registry.  I found the line you mentioned but when I click it I'm unsure how or what part to change using the text line you gave: "Start"=dword:00000000

 

 

whsregistry.JPG

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Now I feel like a total noob. Been a looooong while since I've edited the registry.  I found the line you mentioned but when I click it I'm unsure how or what part to change using the text line you gave: "Start"=dword:00000000

 

 

attachicon.gifwhsregistry.JPG

 

From your screen capture it looks like it's already set to 0, in which case you're already running in AHCI mode. You clicked on the right thing: the Start item under that key. From what I see, you don't have to do anything.

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Yeah. I find it a little odd that Windows seems to already be in AHCI mode. Have you tried setting the BIOS to AHCI to see if it boots? It seems hard to believe it would, unless it too is already set for AHCI.

 

I'm not at all sure that CrystalMark is telling that you that NCQ & Trim are enabled; I suspect it's only telling what features the SSD supports. Without a compatible OS those features will go unused.

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From your screen capture it looks like it's already set to 0, in which case you're already running in AHCI mode. You clicked on the right thing: the Start item under that key. From what I see, you don't have to do anything.

 

Well, I've not modded the Bios yet, so it shouldn't be in that mode yet.

 

To answer Joe's suggestion to check Trim post biosmod update... I

took this screenie of the SSD with Crystal Disk and Trim & NCQ are

already enabled. Keep in mind I've not modded the bios yet.

WHS Stock Bios SSD Data.JPG

 

That prompted a scan with ATTO and got 230 MB ps.

Forum would not let me upload the pic. Too many tonight.

Edited by judgeschambers
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To continue with my last post....

 

That prompted a scan with ATTO and got 230 MB ps. Which seems on par with Joe M's ssd. Seems odd since the Bios has not modded yet.

 

I'll do the bios mod tonight or tomorrow. Get screenies of the bios and after of the SSD performance to compare.

 

 


WHS SSD Bench-002.JPG

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Quick Update on the Bios Mod install, Bios Set up and OS reboot. (Took pics of pre & post bios settings)

 

Modded  Bios Install:

All worked without a hitch. No need to reinstall the OS after bios flash + AHCI change ports 4&5.
Booted fine to OS Drive (SSD) then shut down and reinstalled remaining 4 drives with shares.
Several reboots to make sure and all Works fine.

 

Set the bios to:

SATA IDE Combined Mode [Disabled] — sets Ports 4 & 5 to use AHCI

Embedded SATA Link Rate [3.0Gbps Max] — forces the SATA Ports to run at 3.0Gbps Max mode

I went ahead and set the SATA EPS on all PORT is ENABLED too.

Set the VGA to 32 mb. (made no change in used ram after boot)

 

Results:

SSD picked up some more speed prior to biosmod. Was R/W 200/215 (last post above) and now post mod R/W 249/281.

 

Tomorrow I'll install the WD USB 3.0 card and driver.

 

Thanks for the guidance everyone!

Edited by judgeschambers
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JudgesChambers -- thanks for the feedback and the pictures.  Looks like you're having fun!

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