Memory refers to the SDRAM (a kind of RAM) found on the Raspberry Pi.

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What is the optimum split of main versus GPU memory?

I read that it's possible to allocate either 128MB, 64MB or 32MB to the Raspberry Pi's video memory. Given that my primary use case for this machine is educational: I will be running lightweight ...
19
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1answer
2k views

How does memory-mapped I/O addressing work?

How does memory-mapped I/O addressing work? I'm trying to understand a sample supplied I2S: Anyone got it running?. Configuring Clocks: #define BCM2708_PERI_BASE 0x20000000 #define ...
24
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4answers
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How to set up swap space?

Raspberry Pi has only 256 MB of RAM, so I would like to use swap space (either on SD card or attached USB storage). How do I set it up?
6
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2answers
459 views

Is it a good idea to mount /var in memory?

Re this answer: http://raspberrypi.stackexchange.com/a/867/339 It is suggested that /var be mounted in memory, so to avoid causing your root partition to fill accidentally. I've got a couple of ...
0
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1answer
361 views

How can I increase the size of the ram disk

In Debian Wheezy If I make a ram disk with mke2fs -m 0 /dev/ram0 mount /dev/ram0 /mnt/ramdisk I get a ram disk 3.9M in size. I could really do with 16M, is there a way of making the ram disk ...