Problem booting from CD

[Anurak Cherdsuriya]

Hi all,

I tried to install FreeBSD 10.1 on iBook G4 with CD-ROM but never succeed beyond Open Firmware screen.   When booting, the message always showed below and I couldn't have CD installed.   Could you please suggest?

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Consoles: Open Firmware console

FreeBSD/powerpc Open Firmware loader, Revision 0.1
(root at releng1.nyi.freebsd.org, Wed Nov 12 01:16:20 UTC 2014)
Memory: 786432KB
Booted from: /pci at f2000000/mac-io at 17/ata-3 at 20000/disk at 0

Loading /boot/defaults/loader.conf
/boot/kernel/kernel data=0x97e400+0x83548 syms=[0x4+0x841f0+0x4+0xded9b]

Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...
Kernel entry at 0x1000e0 ...

Decrementer exception at   %SRR0:   001000e0   %SRR1:   10003030

Apple Powerbook6,5 4.8.7f1 BootROM built on 09/23/04 at 16:13:38
Copyright 1994-2000 Apple Computer, Inc.
All Rights Reserved.

Welcome to Open Firmware, the system time and date is: 07:22:31 05/21/2015

To continue booting, type "mac-boot" and press return.
To shut down, type "shut-down" and press return.

  ok
0 > _

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Regards,
Jeff