[maemo-users] Does N770 have a REAL memory limit to 64MB?

[From: Mike Yue]

When I booted the N770 from internal flash memory, I couldn't run as many apps as I booted from MMC card, so I thought the MMC card had already done the job extending the real memory.
But, seems I was wrong.
Now my N770 is booted from MMC card ext2 partition(around 450MB). From command "top", I can see only 64M memory there, and over 95% used:

Mem: 60672K used, 1552K free, 0K shrd, 872K buff, 27736K Cached.

>From command "df", I can see the root filesystem(/dev/mmcblk0p2 is the MMC card partition ext2, now mounted to /)

Filesystem         1k-blocks         Used             Available     Use%  Mounted on
/dev/mmcblk0p2     464324            158407           281945        36%   /

So, I am wondering if it is possible to extend the REAL memory to MMC card, and if someone has done that job? 
BTW, as the article(howto_easily_boot_from_mmc_card) said, the N770 should run much faster than booting from internal flash memory, but I don't see that difference. Did I do something wrong?

Thanks for your attentions, and appreciate for any replies.

Mike

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