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CMSA16GX4M2A1333C9 with MacBook Pro Mid-2010 issues


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Hi!

 

We are trying to upgrade our Macbook Pro MID-2010 13" (MacBookPro7,1; MBP71.0039.B0E) by installing a pair of 8GB DDR3-1333H memory modules (Corsair CMSA16GX4M2A1333C9 2x8GB kit) which seem to be suitable for MacBooks. Unfortunately, we couldn't boot our MBP with these modules because of the unsupported speed rate by the NVIDIA MCP89 chipset. So, we decided to lower the clock cycle time to 1.875 ns (533 MHz) within SPD. We tried programing two standard JEDEC speed bins of DDR3-1066F and DDR3-1066G, but without success. The Macbook continues to refuse memory modules with patched SPD. The marking we found on the ICs is the following:

 

512M8x2DDLG

HYA0001616

FCMABQ31616

 

What is the manufacturer of these chips? Google does not provide on this info anything. Thanks.

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Our MacBook really supports 16GB of RAM. Here is a good explanation.

 

Specifically, as discovered by OWC, the 13-Inch "Mid-2010" MacBook Pro models (and only the 13-Inch models) -- the MacBook Pro "Core 2 Duo" 2.4 13" Mid-2010 and "Core 2 Duo" 2.66 13" Mid-2010 identified by MacBookPro7,1 -- can support up to 16 GB of RAM with dual 8 GB memory modules if they are running OS X 10.7.5 or higher, have been updated to use the latest EFI, and are equipped with proper specification memory modules. If running a version of Mac OS X 10.6 "Snow Leopard," these models only can use 8 GB of RAM.

 

So, we suspect that we also need to reset the System Management Controller (SMC) after SPD flashing is complete.

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  • Corsair Employees
Our MacBook really supports 16GB of RAM. Here is a good explanation.

 

Specifically, as discovered by OWC, the 13-Inch "Mid-2010" MacBook Pro models (and only the 13-Inch models) -- the MacBook Pro "Core 2 Duo" 2.4 13" Mid-2010 and "Core 2 Duo" 2.66 13" Mid-2010 identified by MacBookPro7,1 -- can support up to 16 GB of RAM with dual 8 GB memory modules if they are running OS X 10.7.5 or higher, have been updated to use the latest EFI, and are equipped with proper specification memory modules. If running a version of Mac OS X 10.6 "Snow Leopard," these models only can use 8 GB of RAM.

 

So, we suspect that we also need to reset the System Management Controller (SMC) after SPD flashing is complete.

 

That might be the case, but we don't have any kits of 16gb listed as compatible.

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Hi,

 

What a timely coincidence!

Same issue with CMSO16GX3M2A1333C9 kit on Mid-2010 MacBook Pro 7,1 under 10.11.x

 

Reflashing SPD with Thaiphoon to derate the kit to supported 533 MHz bin did not fix the issue, although a Dell would recognize the derated RAM.

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Reflashing SPD with Thaiphoon to derate the kit to supported 533 MHz bin did not fix the issue, although a Dell would recognize the derated RAM.

 

I suspect the DRAM density to too high for the mac chipset.

 

What chipsets to the Dell and mac have and what DRAM density are the DIMMs, 4Gb or 2Gb?

 

Note Gb is Giga Bits and different to the DIMM size in GB.

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Thanks red-ray for your interest on the matter.

 

Dell is Vostro 3360 with Intel Celeron 1017U.

Mac is MacbookPro 7,1 with core 2 duo (P8600) / NVIDIA GeForce 320M

 

RAM is CMSO16GX3M2A1333C9 Value Select

http://www.corsair.com/en/corsair-memory-16gb-2-x-8gb-ddr3-sodimm-memory-cmso16gx3m2a1333c9

Typhoon says:

8192MB /4 Gb /1 die

1024M x64 (2 ranks)

512M x8 (64M x8 x8 banks)

 

Does it help?

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Mac is MacbookPro 7,1 with core 2 duo (P8600) / NVIDIA GeForce 320M

 

Typhoon says: 8192MB /4 Gb /1 die

 

You did not specify the chipset, so I had to deduce it from the CPU. I expect it's an Mobile Intel 4 Series Chipset, is it?

 

Assuming so then Table 9 in the datasheet reports as below and as 4 Gb is not listed and the DRAM is 4 Gb it will not work.

 

attachment.php?attachmentid=25267&stc=1&d=1463732731

634708250_MobileIntel4SeriesTable9.png.4112ec814e3136e438b6c6d8d6d8982b.png

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Thanks.

 

Actually I'm not sure how I can find full disclosure of intel chipset inside that mac: Mac hardware spec does not seem to give chipset details.

Maybe I should install windows and run some tool?

 

However, Some working RAM (4GB sticks though) are

4096 MB / 4Gb / 1 die

512/ x64 (1 rank)

512M x8 (64M x8 x8 banks)

 

Some 16GB 1333 Mhz kits are reported working here:

https://www.nu42.com/2013/02/mid-2010-macbook-pro-71-with-16-gb-ddr3.html

So curious about the potential difference with the Corsair kit I have...

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Maybe I should install windows and run some tool?

 

You don't need to install Windows and could run my SIV utility from Windows PE. Boot from a Windows 8.0 or later DVD to a command windows and then run SIV32X.exe or SIV64X.exe from a flash drive.

 

Press [PCI Bus] and it will tell you. You may also like to press [sPD] twice. The first gives a summary and the second the full details.

 

If you only have a Windows 7 DVD you may need to use SIV 4.53 as SIV 5.00 and later are SHA2 signed.

 

Version 5.00 released on 14-May-2015

 

Migrated from the SHA-1 to SHA-2 code signing. This has no real impact on most systems, but to use SIV V5 on W7 you need KB3033929 installed and on Vista x64 to disable Driver Signature Verification.

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