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16GB 1600MHz upgrade incompatible with Macbook Pro?


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Hi there,


I recently got a ram upgrade for Christmas: 16GB 2 x 204-pin SODIMM DDR3 1600 MHz 11-11-11-30 1.35V (Part no. CMSA16GX3M2A1600C11) and when I installed it in my Macbook Pro (mid 2012), the laptop refused to boot up...at first, it wouldn't leave the apple screen, then when I forced a shutdown and reinstalled the two sticks, I got the apple screen, followed by a bunch of jibberish writing with a black background running through the screen.


I don't understand, is this not compatible with my Macbook?? The package says "MACMEMORY" next to the Mac logo and specifically says that it's compatible with a Macbook Pro with Intel i7...my stock ram is 4GB of DDR3 1600MHz, so this should theoretically work perfectly fine, right?


Can anybody tell me why it doesn't?

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Ok nevermind, I figured how to do the memtest in single user mode and it immediately shut my computer down with a kernel panic and gave me the following error report once I restarted with my stock RAM in:


Interval Since Last Panic Report: 118623 sec

Panics Since Last Report: 1

Anonymous UUID: 637CF380-0AA5-5DCE-9C36-75032F22CFEE


Sat Feb 9 00:32:10 2013

panic(cpu 4 caller 0xffffff802a0b7e75): Kernel trap at 0xffffff802a087d82, type 13=general protection, registers:

CR0: 0x0000000080010033, CR2: 0x000000010003bd20, CR3: 0x000000002733e005, CR4: 0x00000000001606e0

RAX: 0x00ffff802f8ce060, RBX: 0x0000000000000013, RCX: 0xffffff802a6bcd50, RDX: 0x0000000000000013

RSP: 0xffffff81fa53bb00, RBP: 0xffffff81fa53bb20, RSI: 0xffffff802f8cbc60, RDI: 0xffffff802a6bcd50

R8: 0xffffff804a3853a8, R9: 0xffffff804a38caf8, R10: 0xffffff802a6bcc20, R11: 0x0000000000000206

R12: 0x0000000040000800, R13: 0xffffff804b50cfc0, R14: 0x00000000000000ec, R15: 0xffffff804a38caf8

RFL: 0x0000000000010286, RIP: 0xffffff802a087d82, CS: 0x0000000000000008, SS: 0x0000000000000010

Fault CR2: 0x000000010003bd20, Error code: 0x0000000000000000, Fault CPU: 0x4


Backtrace (CPU 4), Frame : Return Address

0xffffff81fa53b7a0 : 0xffffff802a01d626

0xffffff81fa53b810 : 0xffffff802a0b7e75

0xffffff81fa53b9e0 : 0xffffff802a0cd3bd

0xffffff81fa53ba00 : 0xffffff802a087d82

0xffffff81fa53bb20 : 0xffffff802a088795

0xffffff81fa53bb50 : 0xffffff802a062892

0xffffff81fa53bce0 : 0xffffff802a06370d

0xffffff81fa53bda0 : 0xffffff802a069aa0

0xffffff81fa53bf00 : 0xffffff802a068648

0xffffff81fa53bf20 : 0xffffff802a35b202

0xffffff81fa53bf50 : 0xffffff802a3e060a

0xffffff81fa53bfb0 : 0xffffff802a0cdc03


BSD process name corresponding to current thread: memtest

Boot args: -s -v


Mac OS version:



Kernel version:

Darwin Kernel Version 12.2.1: Thu Oct 18 16:32:48 PDT 2012; root:xnu-2050.20.9~2/RELEASE_X86_64

Kernel UUID: 0AFA55FD-872F-3BBE-8630-214EB586A16D

Kernel slide: 0x0000000029e00000

Kernel text base: 0xffffff802a000000

System model name: MacBookPro9,1 (Mac-4B7AC7E43945597E)


System uptime in nanoseconds: 14444802520

last loaded kext at 1757431464: com.apple.driver.AppleUSBTCButtons 237.1 (addr 0xffffff7fabe14000, size 20480)

loaded kexts:

com.apple.driver.AppleUSBTCButtons 237.1

com.apple.driver.AppleIRController 320.15

com.apple.driver.AppleUSBTCKeyEventDriver 237.1

com.apple.driver.AppleUSBTCKeyboard 237.1

com.apple.driver.AppleFileSystemDriver 3.0.1

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.BootCache 34

com.apple.iokit.SCSITaskUserClient 3.5.5

com.apple.driver.XsanFilter 404

com.apple.iokit.IOAHCIBlockStorage 2.3.1

com.apple.driver.AppleUSBHub 5.5.0

com.apple.driver.AppleSDXC 1.4.0

com.apple.iokit.AppleBCM5701Ethernet 3.5.0b9

com.apple.driver.AppleFWOHCI 4.9.6

com.apple.driver.AirPort.Brcm4331 612.20.14

com.apple.driver.AppleAHCIPort 2.5.1

com.apple.driver.AppleUSBEHCI 5.5.0

com.apple.driver.AppleUSBXHCI 1.5.1

com.apple.driver.AppleEFINVRAM 1.7

com.apple.driver.AppleSmartBatteryManager 161.0.0

com.apple.driver.AppleRTC 1.5

com.apple.driver.AppleACPIButtons 1.7

com.apple.driver.AppleHPET 1.8

com.apple.driver.AppleSMBIOS 1.9

com.apple.driver.AppleACPIEC 1.7

com.apple.driver.AppleAPIC 1.6

com.apple.driver.AppleIntelCPUPowerManagementClient 196.0.0

com.apple.nke.applicationfirewall 4.0.39

com.apple.security.quarantine 2

com.apple.driver.AppleIntelCPUPowerManagement 196.0.0

com.apple.driver.AppleThunderboltDPInAdapter 1.8.9

com.apple.driver.AppleThunderboltDPAdapterFamily 1.8.9

com.apple.driver.AppleThunderboltPCIDownAdapter 1.2.6

com.apple.driver.AppleUSBMultitouch 237.3

com.apple.iokit.IOUSBHIDDriver 5.2.5

com.apple.driver.AppleUSBMergeNub 5.5.0

com.apple.driver.AppleUSBComposite 5.2.5

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.5.5

com.apple.iokit.IOBDStorageFamily 1.7

com.apple.iokit.IODVDStorageFamily 1.7.1

com.apple.iokit.IOCDStorageFamily 1.7.1

com.apple.iokit.IOAHCISerialATAPI 2.5.1

com.apple.iokit.IOSCSIArchitectureModelFamily 3.5.5

com.apple.driver.AppleThunderboltNHI 1.6.3

com.apple.iokit.IOThunderboltFamily 2.1.8

com.apple.iokit.IOUSBUserClient 5.5.0

com.apple.iokit.IOEthernetAVBController 1.0.2b1

com.apple.iokit.IOFireWireFamily 4.5.5

com.apple.iokit.IO80211Family 510.4

com.apple.iokit.IONetworkingFamily 3.0

com.apple.iokit.IOAHCIFamily 2.3.1

com.apple.iokit.IOUSBFamily 5.5.0

com.apple.driver.AppleEFIRuntime 1.7

com.apple.iokit.IOHIDFamily 1.8.1

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 220

com.apple.kext.AppleMatch 1.0.0d1

com.apple.security.TMSafetyNet 7

com.apple.driver.DiskImages 344

com.apple.iokit.IOStorageFamily 1.8

com.apple.driver.AppleKeyStore 28.21

com.apple.driver.AppleACPIPlatform 1.7

com.apple.iokit.IOPCIFamily 2.7.3

com.apple.iokit.IOACPIFamily 1.4

com.apple.kec.corecrypto 1.0

Model: MacBookPro9,1, BootROM MBP91.00D3.B08, 4 processors, Intel Core i7, 2.3 GHz, 4 GB, SMC 2.1f173

Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 384 MB

Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 512 MB

Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80CE, 0x4D34373142353737334448302D434B302020

Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80CE, 0x4D34373142353737334448302D434B302020

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (

Bluetooth: Version 4.1.2f9 11046, 2 service, 18 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: APPLE HDD HTS547550A9E384, 500.11 GB

Serial ATA Device: HL-DT-ST DVDRW GS31N

USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1a100000 / 2

USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0x1a110000 / 3

USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1d100000 / 2

USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0x1d180000 / 3

USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0252, 0x1d183000 / 6

USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x1d182000 / 5

USB Device: BRCM20702 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1d181000 / 4

USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821d, 0x1d181300 / 8

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  • Corsair Employees

I am sorry but that only tells me a there is a problem, so let me rephrase what I said.

Please install just one of the modules with no other memory installed them reset the PRAM. Directions to reset the PRAM should be in the user manual or search for it using Google or call Apple Tech support.

Then use another system to down load the ISO Image of the latest version of http://www.memtest.org then when it boots the first time after the Pram reset you would hit the hot Key to boot from CD and boot right from the memtest CD.

Memtest will boot to out side of the Mac O.S.

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