I own a Toshiba Satellite A105-2071 (older model with an Intel Celeron M, but I can't complain, it was a graduation present.)
For Christmas, a good friend of mine bought be 2x1 GB PC2 5300 Crucial ValueSelect RAM for this laptop, to upgrade it from 1x512 MB PC2 4200.
Here's where it gets weird. When I put in both sticks of the PC2 5300, the computer won't boot. The power keeps cycling, but as soon as the DVD drive powers on, the computer shuts down. However, when I try one stick of PC2 5300, and one of PC2 4200, the computer boots up fine, recognizing the 1.5 GB of RAM in there. This works with both sticks of PC2 5300, so I don't have a bad stick.
The documentation states that it supports PC2 4200 up to 2 GB, but the fact that it booted with one stick of PC2 5300 says otherwise. Either the board supports higher, or the RAM is being downclocked.
Regardless, if PC2 4200 is the max, shouldn't the motherboard downclock the RAM automatically to a speed it can handle? Correct me if I'm wrong.
Final note: I updated to the latest available BIOS to no avail.
For Christmas, a good friend of mine bought be 2x1 GB PC2 5300 Crucial ValueSelect RAM for this laptop, to upgrade it from 1x512 MB PC2 4200.
Here's where it gets weird. When I put in both sticks of the PC2 5300, the computer won't boot. The power keeps cycling, but as soon as the DVD drive powers on, the computer shuts down. However, when I try one stick of PC2 5300, and one of PC2 4200, the computer boots up fine, recognizing the 1.5 GB of RAM in there. This works with both sticks of PC2 5300, so I don't have a bad stick.
The documentation states that it supports PC2 4200 up to 2 GB, but the fact that it booted with one stick of PC2 5300 says otherwise. Either the board supports higher, or the RAM is being downclocked.
Regardless, if PC2 4200 is the max, shouldn't the motherboard downclock the RAM automatically to a speed it can handle? Correct me if I'm wrong.
Final note: I updated to the latest available BIOS to no avail.
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