Thread: Using Micro SD Card as Virtual Ram on Nokia N900?
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sulu is offline sulu
2011-11-03 , 20:15
Posts: 915 | Thanked: 3,209 times | Joined on Jan 2011 @ Germany
#131
Just a short info:
I installed a PDP Patriot 32GB/class10 micro sdhc card in my N900, created a 768MB primary swap partition and formatted the rest with ext2.
I believe my N900 is a bit more responsive now but that might just be wishful thinking. (I'm aware of the "fresh reboot effect".)

Some hard facts:
These are the results of copying 1GB of 1kB blocks from /dev/zero:
Code:
emmc: 4.8MB/s  sdhc: 4.5MB/s
This is copying 1GB of 1kB blocks from the mass storage to /dev/zero:
Code:
emmc: 20MB/s  sdhc: 16MB/s
emmc in both cases means the ext3 formatted /home/user.

btw: Not sure if it has to do with the file system or my operating system but I noticed that when I connect the N900 to my PC (running Debian Squeeze) in mass storage mode both my MyDocs partition and the ext2 partition on the sdhc can be mounted. But if I do they are not unmounted on the N900. So I can access these partitions from both systems simultaneously.