New sticks are Samsung old ones are hynix
Phil Thompson <p...@yarwell.demon.co.uk> wrote:
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>On Thu, 2013-03-28 at 15:19 +0000, richard rjsad wrote:
>> i am trying to upgrade the memory on a macmini,at present it has 2 1
>> gig cards in
>> they are as written on the chip 1gb 2rx16 pc3-8500s-7-10-1a
>> ,when you check it on the hardware spec through about this mac .it
>> shows as 1gb ddr3 1067.
>> i have attempted to install two 2gb 2rx8 pc3-8500s-07-10-f2 when
>> installed the give me the dreaded bleeping sound can any one give us
>> help on why these memory chips don't seam to work i have checked that
>> they are seated properly and repeated the install twice
>> i have taken these chips out of MacBook Pro so i know they are ok
>> all the chip on both mc read as ddr3 1067mhz
>> any explanation would be helpful as i am now got two 2gb chip that i
>> cannot make use of
>
>
>2rx16 pc3-8500s-7-10-1a works 1 GB
>2rx8 pc3-8500s-07-10-f2 doesn't 2 GB
>
>IF the x16 and x8 refers to the number of ICs on the stick then the
>non-working sticks have 8 * 256M and the working 16 * 64M which may be
>part of the story.
>
>what manufacturer of the RAM sticks ?
>
>
>Phil
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