Even 512MB is no longer enough to load and decompress kernel + initrd,
so raise memory requirments accordingly.
Closes: https://github.com/grml/grml/issues/197
<li>Intel-compatible CPU (i686 or later, preferably Pentium class or higher; although some i586 processors e.g. the 'AMD Geode' are still supported)</li>
<li>Intel-compatible CPU (i686 or later, preferably Pentium class or higher; although some i586 processors e.g. the 'AMD Geode' are still supported)</li>
- <li>>=384MB of RAM (>=512MB recommended)</p>
+ <li>>=576MB of RAM (>=1GB recommended)</p>
<li>either a bootable CD-/DVD-ROM drive,
a <a href="#usbboot">USB-boot capable system</a> or a
<li>either a bootable CD-/DVD-ROM drive,
a <a href="#usbboot">USB-boot capable system</a> or a