Difference between revisions of "FAQ"
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(→Developers: Where can I buy empty BIOS chips?) |
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=== How can I write to port 0x80 from userspace? === | === How can I write to port 0x80 from userspace? === | ||
[http://www.linuxbios.org/pipermail/linuxbios/2006-November/017012.html This] might be useful | [http://www.linuxbios.org/pipermail/linuxbios/2006-November/017012.html This] might be useful in some situations: | ||
printf "\001" | dd bs=1 seek=128 of=/dev/port | printf "\001" | dd bs=1 seek=128 of=/dev/port | ||
In DOS (not Windows XP) use: | |||
mov al, 42; out al, 80h | |||
To output 42 type | |||
o 80 42 | |||
in DOS debug. | |||
=== Is LinuxBIOS applying x86 microcode patches? === | === Is LinuxBIOS applying x86 microcode patches? === | ||