| Re: G5 2.7 RAM upgrade.?? [message #36884] |
Tue, 12 February 2013 23:46 |
Cameron Kaiser
Messages: 1622
Registered: December 2011
Karma: 0
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Senior Member |
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> I decided to add RAM to my sons, my old G5, It was running 4 GB, 4 x 512
> and 2 x 1 GB in 6 of the 8 slots. I added 2 x 1 GB to the two empty
> slots and it did not recognize the RAM. I removed the 2 x 1 GB and
> rebooted ... I got the 3 blinks on the power button. I shut dowand
> retsarted 30 seconds later and the same. We did not swap any of the RAM
> around, just added 1 GB to each slot 4.
>
> I have since removed ALL the RAM and inserted pairs . I still get the 3
> blinks no matter which of the old pairs I put in. I can not get beyond
> the 3 blinking lights.
>
> 2005, G5, 2.7 dualie running 10.5.8.
Three blinks indicates that no RAM has passed testing. It is possible,
but unlikely, they somehow got zapped when you were moving them around. Be
sure that you are counting the right number of flashes; one means no RAM
is seen at all, and two means incompatible or incorrectly installed RAM.
Make sure the RAM is paired in the slots from the center going outwards. If
it already is, or that doesn't fix it, try resetting the logic board. Unplug
the machine for at least two minutes and retry. If this is no good, open the
side, remove the front fan, and press the SMU reset button (should be at the
bottom under the bottommost RAM slot).
--
------------------------------------ personal: http://www.cameronkaiser.com/ --
Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser@floodgap.com
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