ps3videomode - use this cmd line tool to adjust your video mode.
and then change /etc/kboot.conf with the video mode you want to persist:
edit line:
linux='/boot/vmlinux-2.6.16 initrd=/boot/initrd.img video=ps3fb:mode:3'
Install graphical mode and KDE Desktop environment
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This will take some time but should do it, say yes to all questions:
# yum groupinstall "KDE (K Desktop Environment)"
# yum install pirut k3b mikmod
# yum groupinstall "Server Configuration Tools"
# yum groupinstall "Sound and Video"
# yum groupinstall "GNOME Desktop Environment"
# yum groupinstall "Legacy Software Support"
# yum groupinstall "Development Libraries"
# yum groupinstall "Development Tools"
# yum groupinstall "Windows File Server"
# yum groupinstall "System Tools"
# yum groupinstall "X Window System"
# yum install switchdesk lslk logwatch dump lftp bind-utils sendmail nss_ldap device-mapper-
multipath ypbind yp-tools
# yum install parted.ppc64 rdist.ppc man-pages.noarch talk.ppc pam_ccreds.ppc nc.ppc traceroute.ppc
unix2dos.ppc setarch.ppc pam_passwdqc.ppc words.noarch cpuspeed.ppc netdump.ppc crontabs.
noarch fbset.ppc acl.ppc dosfstools.ppc usbutils.ppc redhat-lsb.ppc rsync.ppc mgetty.ppc time.ppc man.
ppc pam_passwdqc.ppc64 pam_smb.ppc wget.ppc
# yum install diskdumputils.ppc ftp.ppc pinfo.ppc ksh.ppc jwhois.ppc psacct.ppc ipsec-tools.ppc
dhcpv6_client.ppc lsof.ppc readahead.ppc pcmciautils.ppc sudo.ppc yum-updatesd.noarch pam_smb.
ppc64 cyrus-sasl-plain.ppc sysreport.noarch pam_pkcs11.ppc64 rdate.ppc finger.ppc anacron.ppc nano.
ppc pam_ccreds.ppc64 parted.ppc attr.ppc tcsh.ppc specspo.noarch stunnel.ppc mlocate.ppc tcpdump.
ppc dos2unix.ppc rsh.ppc irda-utils.ppc numactl.ppc tree.ppc
# yum install pam_pkcs11.ppc tmpwatch.ppc gnupg.ppc vconfig.ppc iptstate.ppc pax.ppc mtr.ppc
nss_db.ppc rp-pppoe.ppc krb5-workstation.ppc pam_krb5.ppc64 mdadm.ppc quota.ppc pam_krb5.ppc
symlinks.ppc smartmontools.ppc tcp_wrappers.ppc64 mtools.ppc setuptool.ppc telnet.ppc rng-utils.ppc
irqbalance.ppc
# yum groupinstall "Office/Productivity"
Add your user to the system
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