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<sect1 id="memory-disk-requirements">
<title>Memory and Disk Space Requirements</title>
<para>
You must have at least &minimum-memory; of memory and &minimum-fs-size; of hard disk
space. Note that these are really bare-minimum numbers. For more realistic
figures, see <xref linkend="minimum-hardware-reqts"/>.
</para><para arch="m68k">
On the Amiga the size of FastRAM is relevant towards the total memory
requirements. Also, using Zorro cards with 16-bit RAM is not
supported; you'll need 32-bit RAM. The <command>amiboot</command>
program can be used to disable 16-bit RAM; see the
<ulink url="&url-m68k-faq;">Linux/m68k FAQ</ulink>. Recent kernels should
disable 16-bit RAM automatically.
</para><para arch="m68k">
On the Atari, both ST-RAM and Fast RAM (TT-RAM) are used by Linux.
Many users have reported problems running the kernel itself in Fast
RAM, so the Atari bootstrap will place the kernel in ST-RAM. The
minimum requirement for ST-RAM is 2 MB. You will need an additional
12 MB or more of TT-RAM.
</para><para arch="m68k">
On the Macintosh, care should be taken on machines with RAM-based
video (RBV). The RAM segment at physical address 0 is used as screen
memory, making the default load position for the kernel unavailable.
The alternate RAM segment used for kernel and RAMdisk must be at least
4 MB.
</para><para arch="m68k">
<emphasis condition="FIXME">FIXME: is this still true?</emphasis>
</para>
</sect1>
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