On 4/15/2013 8:17 PM, ray6480 wrote:
> basics
> Toshiba Satellite A105 S1014
> 2 memory slots original 1 512m DDR2 4200. 18 months ago I added 512 ddr2
> 5300. I don't know what it read before but since adding it sys info shows
> 896m memory
>
> fun starts
> I received 2 1gb ddr2 6400s mem sticks, removed the 512 put in the 1gb power
> light flashed but nothing happened, no boot so I reinstalled the 512 and
> rebooted, all was good, still says 896 meg
> OK I realized I had 2 matching 512 5300 so i put the matching set in,
> nothing, light flashed a few times then off, no boot
>
> real fun
> I put 1 ddr2 4200 and 1 6400 in and it boots up but still says 896 for
> system memory.
> It seems it's gotta have that original 4200 installed to work. Does that seem
> strange?
> Best outcome would be 2x1gb better 2 matching speed and size 5300 right now I
> have the 1 512 and 1 1gb.
>
> any thoughts
The first conflict is in the RAM boards(4200/5300).
The second is, your motherboard can only handle 896mb RAM, even though
technically, it is supposed to be able to handle 2gb. So, Even though
the 6400 allows has no 100% conflict with the motherboard allowing the
computer to boot, it has the same problem as the first two boards.
There is an 896mb RAM limitation on the motherboard.
You need to have your motherboard looked at.
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