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How to I boot into 32-bit mode on AMD64 or Intel 64?

April 26, 2017AMD64 boot Intel mode

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How to I boot into 32-bit mode on AMD64 or Intel 64?

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Solaris 11 is only available as a 64-bit kernel (although 32-bit binaries and libraries are still supported). For Solaris 10, it normally boots into 64-bit mode on AMD64. You may want 32-bit for, say, a device driver that’s 32-bit only. To boot into 32-bit mode, copy the Solaris entry in /boot/grub/menu.lst and add “kernel/unix” as the first argument on the multiboot line.