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MAC PRO Early 2008 supported RAM modules

Hi folks,

I have a MAC PRO Early 2008 with a mixture of RAM modules, but I want to upgrade it to more total RAM.

Actually I have the following modules installed:

2x HYNIX 1GB 2Rx8 PC2-6400F 555 11 HYMP512A72CP8D3-S5 AB-T

2x KINGSTON 1GB  2Rx8 PC2-6400F 555-10-R0 1,8V KTA-MP800K2/2G

2x KINGSTON 2GB 2Rx4 PC2-6400F 555-11-U0 1,8V KVR800D2D4F5/2G

In total these are 8GB RAM but totally not good configured, because 4 modules are on one board and the other 2 are on the second memory board.

I want to remove all of the above modules and lift the RAM to 32GB by inserting 8x 4GB modules.

I have tested now 2 different types and no type is accepted by the MAC PRO.

These are the types that are not working:

HYNIX 4GB 2Rx4 PC2-6400F-555-11 HYMP151F72CP4D3-S5 AB-C

and another HYNIX with 666 that I returned because I thought that was the reason why the modules are not working in MAC PRO.

I have no idea what is going wrong.

The actual working config is a absolutely problematic config with different brands and 2Rx4 & 2Rx8 modules and works without any trouble and a clean config with 8 modules of the same type is not working.

RAM config guideline shows only: MAX 32GB total, 800MHz, DDR2, FB-DIMMS, 72Bit, 240pin, max 36 chip, ECC

Please give me some advice to solve that problem.

Thank you all

Andre

最後更新：2017-10-21 18:13:50

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