I need to pick your brains with a small problem I am having with deciding which RAM I need to buy to replace a 1GB strip of RAM I have in an old laptop and replace it with a 2 or 4GB strip.
The laptop is a generic build by a company called “ONE” here in Germany (One PC Model U50SI1. 2GHz Intel CPU. 1GB RAM), it came with a 1GB strip and the following is written on it:
Make = ELPIDA 1GB 2Rx16 PC2-5300S-555
There is only ONE SLOT for the RAM!.
I have a strip which is 2GB but the laptop won’t boot with it:
Make = NANYA 2GB 2Rx8 PC2-6400S-666-13-F1.800
So my question is, what strip should I buy to replace the 1GB ELPIDA strip to 2 or 4GB?.
I don’t know anything about this subject or whether it is DDR, DIMM etc!.
I don’t know if this is any help, but the following link says that the Advent 5311 laptop is basically a rebadged Uniwill U50SI1.
It also says it can have a maximum of 2GB ram.
Since the first module is PC2-5300 (aka DDR2-667) and the non-working one is faster speed PC2-6400 (DDR2-800), I’d try a DDR2-667 module. Some machines can underclock the RAM – or claim they can – but I’ve had better luck with matching the original speed.
Thanks for this Steve, now I know I can at least use 2GB RAM.
@abrowne, I don’t really want to buy a stick of RAM that won’t work!, if I buy a DDR2-667 module, do you think it would work?, what do you suggest for a 2GB stick based on the specs I gave with the original 1GB RAM?.
@wolfman, There is an interesting thread in the Crucial Memory forum, which suggests, among other things, to upgrade the bios to the latest version using the old memory first. One of the contributions also suggests that these laptops will only work with PC2-5300 RAM. See:
Thanks Steve, I don’t really want to take the risk of crippling the rig if the BIOS update goes wrong, it works well with Ubuntu 12.04 (Mate DE), Windblows is slower and I might even try Windblows 10 later today if it will run it!.