[DEPRECATED] ASRock Rack EP2C602 Install Guide for Sierra and High Sierra

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Joined
Dec 23, 2010
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Motherboard
ASRock EP2C602-4L/D16
CPU
E5-2603 v2
Graphics
HD 5770
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Hi, thanks for all your hard work!!! I have the Asrock EP2C602-4L/d16 (my asus z9pe just fried so I'm rebuilding)

I'm trying to figure out how to unlock MSR with UEFIPatch. I'm guessing this step is necessary even if I don't need NVME support? So I search "MSR" in UEFITOOL and then patch? Sorry I'm a lil lost :)
You can use Clover built in MSR unlock. ;)
 
Joined
Dec 23, 2010
Messages
87
Motherboard
ASRock EP2C602-4L/D16
CPU
E5-2603 v2
Graphics
HD 5770
Mobile Phone
  1. Android
  2. iOS
  3. Other
Just run the program and it will tell you the proper usage.

"Usage: UEFIPatch image_file [patches.txt] [-o output]"

An MSR unlocked copy of the most recent BIOS for your board with NVMe support is attached.
@teamawesome, are you sure what ASRock Rack EP2C602-4L/D16 Support 1.90 UEFI has NVMe support? ;)
 
Joined
Jan 28, 2018
Messages
128
Motherboard
ASRock EP2C602
CPU
2 x E5-2680 v2
Graphics
EVGA 980 Classified
Mobile Phone
  1. iOS
You can use Clover built in MSR unlock. ;)

Not exactly. Clover's AppleIntelCPUPM will keep the system rom crashing, but it can't unlock the MSR. Modifying the BIOS to truly unlock the MSR is the superior solution.

"Some vendors, like ASUS, restrict the use of MSR register 0xE2 in their power management module to ReadOnly. On Sandy/Ivy Bridge systems the kext AppleIntelCpuPowerManagement will try to write to this register and cause a kernel panic. This patch will eliminate the kext's write operations."
 
Joined
Dec 23, 2010
Messages
87
Motherboard
ASRock EP2C602-4L/D16
CPU
E5-2603 v2
Graphics
HD 5770
Mobile Phone
  1. Android
  2. iOS
  3. Other
Not exactly. Clover's AppleIntelCPUPM will keep the system rom crashing, but it can't unlock the MSR. Modifying the BIOS to truly unlock the MSR is the superior solution.

"Some vendors, like ASUS, restrict the use of MSR register 0xE2 in their power management module to ReadOnly. On Sandy/Ivy Bridge systems the kext AppleIntelCpuPowerManagement will try to write to this register and cause a kernel panic. This patch will eliminate the kext's write operations."
Have not observed any "system rom crashing" and kernel crashing :rolleyes:
 
Joined
Jan 28, 2018
Messages
128
Motherboard
ASRock EP2C602
CPU
2 x E5-2680 v2
Graphics
EVGA 980 Classified
Mobile Phone
  1. iOS
Have not observed any "system rom crashing" and kernel crashing :rolleyes:

haha, a typo. "system from crashing"...
 
Joined
Jan 28, 2018
Messages
128
Motherboard
ASRock EP2C602
CPU
2 x E5-2680 v2
Graphics
EVGA 980 Classified
Mobile Phone
  1. iOS
UEFI with malware :mrgreen:

Yup. After installing the modified BIOS, I can access your Candy Crush account on any iOS device.
 
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