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<?xml version="1.0" encoding="EUC-JP"?>
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<sect2 arch="powerpc" id="invoking-openfirmware">
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<title>OpenFirmware �ε�ư</title>
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There is normally no need to set up the BIOS (called OpenFirmware) on
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&arch-title; systems. PReP and CHRP are equipped with OpenFirmware,
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but unfortunately, the means you use to invoke it vary from
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manufacturer to manufacturer. You'll have to consult the hardware
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documentation which came with your machine.
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���� &arch-title; �����ƥ�Ǥ� BIOS (OpenFirmware �ȸƤФ�ޤ�)
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�������ɬ�פϤ���ޤ���OpenFirmware ��
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PReP �� CHRP �������Ƥ��ޤ�������ǰ�ʤ��餳�ε�ư��ˡ��
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�ޥ������°�Ρ��ϡ��ɥ�������ʸ��ˤ�����ɬ�פ�����Ǥ��礦��
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On &arch-title; Macintoshes, you invoke OpenFirmware with
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<keycombo><keycap>Command</keycap> <keycap>option</keycap>
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<keycap>O</keycap> <keycap>F</keycap></keycombo> while booting. Generally it
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will check for these keystrokes after the chime, but the exact timing
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varies from model to model. See
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<ulink url="&url-netbsd-powerpc-faq;"></ulink> for more hints.
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&arch-title; �� Macintosh �Ǥϡ�OpenFirmware �ϥ֡��Ȼ���
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<keycombo><keycap>Command</keycap> <keycap>option</keycap>
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<keycap>O</keycap> <keycap>F</keycap></keycombo>
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�̾�ϥ��㥤��θ�Ǥ��Υ������Ϥ�����Ƥ��뤫��Ĵ�٤ޤ�����
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���Τʥ����ߥϥ�ǥ�ˤ�äƤ��������Ǥ���
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�ܤ�������� <ulink url="&url-netbsd-powerpc-faq;"></ulink> �Ƥ���������
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The OpenFirmware prompt looks like this:
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OpenFirmware �Υץ���ץȤϼ��Τ褦�ˤʤ�ޤ���
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<informalexample><screen>
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</screen></informalexample>
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Note that on older model &arch-title; Macs, the default and sometimes
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hardwired I/O for OpenFirmware user interaction is through the serial
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(modem) port. If you invoke OpenFirmware on one of these machines, you
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will just see a black screen. In that case, a terminal program running
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on another computer, connected to the modem port, is needed to
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interact with OpenFirmware.
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&arch-title; Mac �θŤ���ǥ�Ǥϡ�OpenFirmware �ȥ桼���Ȥ��̿��ϡ�
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�ǥե���Ȥǥ��ꥢ�� (��ǥ�) �ݡ��ȷ�ͳ�ˤʤäƤ��뤳�Ȥ�����ޤ�
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(���ˤ�äƤ��ѹ��Ǥ��ʤ����Ȥ⤢��ޤ�)��
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���Τ褦�ʥޥ���� OpenFirmware ��ư����ȡ�
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ñ�˿��ù��ʲ��̤�ɽ������뤳�Ȥˤʤ�ޤ���
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���ξ�� OpenFirmware ���̿�����ˤϡ�
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�̤Υ���ԥ塼����ü���ץ�������ư�����ơ�
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������ǥ�ݡ��ȤˤĤʤ�ɬ�פ�����ޤ���
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The OpenFirmware on OldWorld Beige G3 machines, OF versions 2.0f1
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and 2.4, is broken. These machines will most likely not be able to
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boot from the hard drive unless the firmware is patched. A firmware
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patch is included in the <application>System Disk 2.3.1</application>
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utility, available from Apple at
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<ulink url="ftp://ftp.apple.com/developer/macosxserver/utilities/SystemDisk2.3.1.smi.bin"></ulink>.
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After unpacking the utility in MacOS, and launching it, select the
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Save button to have the firmware patches installed to nvram.
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OldWorld Beige G3 �ޥ���Ǥϡ�OpenFirmware �� 2.0f1 �� 2.4 ��
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�Ȥ�ʪ�ˤʤ�ޤ��ե����०�����˥ѥå������Ƥʤ��ȡ�
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���Τ褦�ʥޥ���ǤϤޤ��ϡ��ɥǥ���������Υ֡��ȤϤǤ��ޤ���
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�ե����०�����Υѥå��� <application>System Disk 2.3.1</application>
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�桼�ƥ���ƥ��˴ޤޤ�Ƥ��ꡢApple ��
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<ulink url="ftp://ftp.apple.com/developer/macosxserver/utilities/SystemDisk2.3.1.smi.bin"></ulink> ��������Ǥ��ޤ���
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���Υ桼�ƥ���ƥ��� MacOS ����Ÿ�������¹Ԥ��� Save �ܥ�����ȡ�
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�ե����०�����Υѥå��� nvram �˥��ȡ��뤵��ޤ���