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OSX on Dell Latitude E6520...


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#1
mayhemm88

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I just purchased a new laptop, and would like to dual boot OSX and Windows 7.
I have not seen any guides for this laptop, so I was wondering if it is possible to put OSX on it...

Hardware Specs:
CPU: Intel Core i7 2620M (sandy bridge)
RAM: 4GB DDR3 1333
Graphics: NVidia NVS 4200M 512MB
Hard Drive: Intel X25-V 40GB SSD
Wireless: Dell 1501 Wireless-N Mini Card (Broadcom)
Audio: IDT Audio

#2
GrimmVarg

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I just purchased a new laptop, and would like to dual boot OSX and Windows 7.
I have not seen any guides for this laptop, so I was wondering if it is possible to put OSX on it...

Hardware Specs:
CPU: Intel Core i7 2620M (sandy bridge)
RAM: 4GB DDR3 1333
Graphics: NVidia NVS 4200M 512MB
Hard Drive: Intel X25-V 40GB SSD
Wireless: Dell 1501 Wireless-N Mini Card (Broadcom)
Audio: IDT Audio


I would also really like to know this. I have the same laptop, only with a bigger ssd and twice the ram :( And I would love to run OSX on it. No need for dual boot for me.

#3
mayhemm88

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From what I've been reading, it looks possible because people have gotten working installs of OSX on the ThinkPad T420, which has pretty much the same hardware as the E6520, barring the NVidia Discrete Graphics. I would also probably need to grab a DW1510 to get wireless working, but it may be worth a shot once Lion comes out. I heard it is shipping with updated NVidia drivers which may or may not apply to the NVS 4200M

#4
Theta

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I'm working on getting this to work but I'm not quite there yet. So far, everything seems to work OK >except< for the Dell Wireless 1530 card. I might have to downgrade to a 1510 but I'd prefer not to. Graphics, audio (with Voodoo), keyboard, trackpad (as basic mouse--no extended features) are working. I'll post more info as I debug and can streamline things. Right now, its been "try things until you screw it up so bad that it doesn't even boot and then start over."

#5
GrimmVarg

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I'm working on getting this to work but I'm not quite there yet. So far, everything seems to work OK >except< for the Dell Wireless 1530 card. I might have to downgrade to a 1510 but I'd prefer not to. Graphics, audio (with Voodoo), keyboard, trackpad (as basic mouse--no extended features) are working. I'll post more info as I debug and can streamline things. Right now, its been "try things until you screw it up so bad that it doesn't even boot and then start over."


That's great to hear. I tried to get this to work myself last night. Both with SL and lion. I could not install either if them because of kernel panics. I guess I'm missing a bootflag or something. I tried using both ##### and ##### Legacy. No luck. So if you have the time I would love to hear how you managed this :unsure:

#6
mayhemm88

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I'm working on getting this to work but I'm not quite there yet. So far, everything seems to work OK >except< for the Dell Wireless 1530 card. I might have to downgrade to a 1510 but I'd prefer not to. Graphics, audio (with Voodoo), keyboard, trackpad (as basic mouse--no extended features) are working. I'll post more info as I debug and can streamline things. Right now, its been "try things until you screw it up so bad that it doesn't even boot and then start over."


If you don't mind me asking, are you doing this with Lion or Snow Leopard? and what graphics chip do you have, the onboard Intel 3000 or the discrete NVidia NVS 4200?

#7
Theta

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Here are the specs:

Dell Latitude 6520
Intel Core i7-2720QM 2.20GHz
8.0 GB DDR3 RAM
nVidia NVS 4200M 512MB
Dell Wireless 375 Bluetooth
Dell Webcam
Dell Wireless 1530 802.11 a/b/g/n
OSX Lion GM

I worked on this last night. What I have now is a working laptop in Lion but its not 100% perfect yet. The video works (with GraphicsEnabler=yes) but remains "unknown" inside the OS (I have full resolution and access to all screen savers). Bluetooth worked out of the box. Wireless is completely undetected. Webcam works without modification. Audio works with Voodoo audio but all volume levels are the same level (audio on the highest setting is just as loud as one-notch above mute although that volume level is acceptable and neither blasts the room nor is too quiet to hear).

Keyboard works including the separate volume keys. Trackpad works including "tap to click" but no other trackpad gestures are available and Lion sees it as a mouse. To get keyboard and trackpad working, I used the latest "PS2 Keyboard/trackpad" extensions recently posted to our favorite kexts site. You'll still need a USB keyboard and mouse, though, to get past the installation as they WORK with the installer and the first-time configuration wizards but the OS thinks you don't have either. You need to plug in the external ones to get through the "please connect a keyboard" etc. screens and then you can unplug them and continue to use the internal kb/trackpad. Once you're done installing the OS, you can go into the bluetooth settings and turn off the advanced option of prompting for a keyboard/mouse.

I'm using the MacBookPro 8.1 SMBIOS settings.

Ethernet works with the Intel driver from #####. Voodoo Battery get's the battery recognized and gives you the two different power settings and battery display on the menu bar.

Not working at all: wifi, sleep. Wifi is annoying but OK right now since I can use Ethernet although that does really tie down a laptop. Sleep, of course, will be necessary if I'm ever going to use this on the battery.

#8
mayhemm88

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Here are the specs:

Dell Latitude 6520
Intel Core i7-2720QM 2.20GHz
8.0 GB DDR3 RAM
nVidia NVS 4200M 512MB
Dell Wireless 375 Bluetooth
Dell Webcam
Dell Wireless 1530 802.11 a/b/g/n
OSX Lion GM

I worked on this last night. What I have now is a working laptop in Lion but its not 100% perfect yet. The video works (with GraphicsEnabler=yes) but remains "unknown" inside the OS (I have full resolution and access to all screen savers). Bluetooth worked out of the box. Wireless is completely undetected. Webcam works without modification. Audio works with Voodoo audio but all volume levels are the same level (audio on the highest setting is just as loud as one-notch above mute although that volume level is acceptable and neither blasts the room nor is too quiet to hear).

Keyboard works including the separate volume keys. Trackpad works including "tap to click" but no other trackpad gestures are available and Lion sees it as a mouse. To get keyboard and trackpad working, I used the latest "PS2 Keyboard/trackpad" extensions recently posted to our favorite kexts site. You'll still need a USB keyboard and mouse, though, to get past the installation as they WORK with the installer and the first-time configuration wizards but the OS thinks you don't have either. You need to plug in the external ones to get through the "please connect a keyboard" etc. screens and then you can unplug them and continue to use the internal kb/trackpad. Once you're done installing the OS, you can go into the bluetooth settings and turn off the advanced option of prompting for a keyboard/mouse.

I'm using the MacBookPro 8.1 SMBIOS settings.

Ethernet works with the Intel driver from #####. Voodoo Battery get's the battery recognized and gives you the two different power settings and battery display on the menu bar.

Not working at all: wifi, sleep. Wifi is annoying but OK right now since I can use Ethernet although that does really tie down a laptop. Sleep, of course, will be necessary if I'm ever going to use this on the battery.


This sounds very promising. Probably being captain obvious here, but did you try SleepEnabler.kext for 10.7.0? that too can be found at everyone's favorite kext website

#9
Theta

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That's great to hear. I tried to get this to work myself last night. Both with SL and lion. I could not install either if them because of kernel panics. I guess I'm missing a bootflag or something. I tried using both ##### and ##### Legacy. No luck. So if you have the time I would love to hear how you managed this :(

I used mostly MaLd0n's guide. I loaded up the necessary kexts into /S/L/E (not /Extra/Extensions since Lion usually won't recognize those). After completing the install, I had to pull the hard drive out to get the kexts into /S/L/E on the installed drive since booting off USB into the installed Lion wouldn't work. If that's not an option, you might boot back into the installer and use the terminal to copy them there from the USB drive.

#10
Theta

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This sounds very promising. Probably being captain obvious here, but did you try SleepEnabler.kext for 10.7.0? that too can be found at everyone's favorite kext website

Yeah, that's loaded right now but I currently still have to power cycle to get back in (i.e., its more like RIP and less like an afternoon nap).

#11
GrimmVarg

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I was thinking of trying this again this weekend. Any progress for you guys? :P

#12
mayhemm88

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I was thinking of trying this again this weekend. Any progress for you guys? :P


yeah, the USB installer worked for me. I am in the process of updating the kexts now. I will let you know how it goes.

so far CPU is recognized out of the box. Nvidia card is recognized as an Nvidia card, but an unknown one. a custom GPU string in boot.plist should fix this though. Unfortunately, wifi does not work so I will be putting some $$$ down on a dw1510 once I get a chance

#13
Theta

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I didn't get a lot of time during the week to work on this but I did today (Saturday). I built some code to get the graphics identified and working via the com.apple.Boot.plist (or, preferably, the org.chameleon.Boot.plist with the latest Chameleon 1163 as of this writing). Make sure Optimus graphics are turned off in the BIOS. I also have SpeedStep disabled although on this notebook, I'm not sure if that makes much of a difference (its a huge difference on my desktop SandyBridge).

To get the graphics recognized, be sure to have GraphicsEnabler set to No or just completely remove those two lines from your Boot.plist. Add the following somewhere in the <dict> section.

<key>device-properties</key>
	<string>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</string>

After adding this, I rebooted and the system crashed during boot so I had to reboot with the -x flag to rebuild the cache once. Now it boots fine every time with full (as far as I can tell) Nvidia support and without any extra graphics kexts/injectors.

My benchmarks are as follows:

Geekbench: 7623
Cinebench OpenGL: 13.82 fps
Cinebench CPU: 4.08 pts

Everything seems to work but sleep and wifi. I'm frustrated because this model has the Dell 1530 wifi and I thought I'd be able to get that to work but haven't had any luck. Sleep essentially means that this isn't much of a notebook since I can't close the lid or save power. The trackpad also doesn't support the gestures and is highly sensitive (as I write this on the notebook, the cursor has moved several times to the middle of the text because I grazed or got "near" the trackpad while typing... very annoying). Its nice to be at the point now where I can be nit-picky but its still not 100% yet.

#14
mayhemm88

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Sleep could probably be fixed by editing DSDT, but i'm no expert on that... I normally use the patcher

#15
mayhemm88

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this might be kind of a n00b question, but how did you get the touchpad and keyboard working. They are not working, and the only way I can do anything is to connect an external USB keyboard and mouse

#16
Theta

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this might be kind of a n00b question, but how did you get the touchpad and keyboard working. They are not working, and the only way I can do anything is to connect an external USB keyboard and mouse

I used these files (attached). Be sure to put them in /System/Library/Extensions and rebuild the cache or boot with the -x option once.

Attached Files



#17
mayhemm88

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Thanks, now everything is working except for WiFi
which is a DW1501... does anyone know if the BCM43xxx kext works with that card?

#18
Theta

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Thanks, now everything is working except for WiFi
which is a DW1501... does anyone know if the BCM43xxx kext works with that card?

If you mean the 1510, I rebranded one of those a few months ago so that it appeared to MacOS as an Apple card. I used the instructions here. When you say everything is working, I'm assuming you're not including sleep in that list, right?

#19
mayhemm88

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No I mean DW1501 as in BCM4313 :( . But I did pick up a DW1510 from Amazon today due to its reputation as a good card for OSX.

#20
GrimmVarg

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I used mostly MaLd0n's guide. I loaded up the necessary kexts into /S/L/E (not /Extra/Extensions since Lion usually won't recognize those). After completing the install, I had to pull the hard drive out to get the kexts into /S/L/E on the installed drive since booting off USB into the installed Lion wouldn't work. If that's not an option, you might boot back into the installer and use the terminal to copy them there from the USB drive.


I tried using this guide, but the DSDT patcher fails thus:
$ java -jar DSDT\ Auto-Patcher.jar 
packs/Dell/Studio 1747/patch.txt
packs/Dell/Latitude E6510/patch.txt
dsdt.aml
DSDT file is an AML, deleting dsdt.dsl if present...
AML file not found
DSL File not found

Did you have do anything special to make this work?





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