If you are mixing memory speeds be sure to put the SLOWER MEMORY in so it is
active LAST. It is possible that Vista will not allow the memory if there is
too much
of a speed difference.
"Peter" <Peter@xxxxxx> wrote in message
news

60166B2-E48E-4168-BC32-6F9B523D8174@xxxxxx
Quote:
>I had two 512MB RAM's in my pc in dual channel 128bit mode, but upgrading
>to
> windows vista hp meant i needed more ram. So i've put in 2 Corsair 1GB
> Ram's,
> which is also running in the dual chanel 128bit mode. The motherboard
> recognises the two Ram's and their total capacity of 2048MB but in Windows
> Vista, it only says there is 1GB of ram (1023MB to be exact), and the task
> manager says there is only 1GB available, what should I do, can anyone
> help?