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tluck

tluck

Member Since 27 Jan 2012
Offline Last Active Today, 01:13 AM
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In Topic: Lenovo ThinkPad T420 with UEFI Only

Yesterday, 01:21 PM

@manwe150

 

well its good to know how to do this. i was not familiar with either of these i did some reading. looks like clover supposedly does this for us by reading the SMBIOS now. i don't have either of these vars in my nvram. and perhaps yours were out of date and overiding the SBMIOS values? one may need to remove them from nvram.plist and let clover generate the stuff by populating/reading SMBIOS.

 

from the wiki - says that these 2 vars (MLB and ROM) are now deprecated and clover generates a SMBIOS string with these. clover-genconfig will spit out the MLB value for you. 

 

see RtVariables

 

ioreg -l |grep SMBIOS

cut and paste the stuff between <> and run through xxd -p -r and you see what this byte string has in it.

 

 

@samsunlu55

 

well yes. many of us have done this without issue.

flash to real bios v1.46 and then flash with modded bios v1.46. (i did on my 2 boxes) see post #2036738 on this.

In Topic: Lenovo ThinkPad T420 with UEFI Only

28 August 2014 - 02:26 AM

whether it can hit that speed is a good question.

it says connected at 300 Mbps on OS X (on 5 G) with my atheros card.

i have not benchmarked it!

Attached File  Screen Shot 2014-08-27 at 10.18.28 PM.png   111.32KB   2 downloads

i vaguely recall it reporting 450 on windows. but i could be wrong.

 

 

In Topic: Lenovo ThinkPad T420 with UEFI Only

27 August 2014 - 05:19 PM

@adrenalation.  it may not be a loop - and not necessarily a bad sign.  i must have entered it about 5 times. same on my real mac. 

In Topic: Lenovo ThinkPad T420 with UEFI Only

27 August 2014 - 11:45 AM

@veer

yes - replace intel wifi with OS X supported wifi card and then flash the box with a modified whitelist bios so it will not reject the card. these cards are often sold rebranded by HP, Dell etc on eBay. 

 

here are 3 options (i chose the 1st one)

 

Atheros AR5BHB92
- dual-band: 2.4GHz + 5GHz. МасOS up to 150 Mbps on 2.4GHz and up to 300 Mbps on 5GHz, Windows up to 300 Mbps on both bands.
Broadcom BCM94322HM8L
- dual-band: 2.4GHz + 5GHz. МасOS up to 150 Mbps on 2.4GHz and up to 300 Mbps on 5GHz, Windows up to 300 Mbps on both bands.

Atheros AR5B93

- single-band: 2.4GHz only. МасOS up to 150 Mbps, Windows up to 300 Mbps.

 

@adrenalation

this worked for me:

 

added a credit card to my appleID account.

remove all network location/interface definitions from the |System Network panel

rm        /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist

reboot and redo network interface definitions for ethernet and then wifi

 

(i know i know - some have found the order doesn't matter - but this is just what seems to work for me!)

 

if you are on Yosemite, it was very finicky and for me it took a lot of entering and reentering of ids and passwords.

seems like its looping but eventually it worked. 

In Topic: Lenovo ThinkPad T420 with UEFI Only

26 August 2014 - 06:38 PM

@veer

- glad the install worked. good to know.  i have 1, 2, 4, 8, 16 GB usbs. so I have not tried a 32!

- yes.  i have been successful going from say 10.9.3 to 10.9.4 or 10.10 Yosemite DP to DP5 to DP6.

 

but it doesn't hurt to have a standby USB with the full install!

after you do such an update - don't forget you will have to replace the AppleHDA and Broadcom kexts (or more!)

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