as root on your work pc|laptop:

mkdir /tmp/fc14arm
cd $_
mkdir root
# make filesystem
mkfs.ext4 -b 4096 -E stripe-width=16 -O ^has_journal /dev/sdXN
mount -t ext4 /dev/sdxN root
wget http://fedora.roving-it.com/rootfs-f14-alpha1.tar.bz2
tar xvf rootfs-f14-alpha1.tar.bz2 --numeric-owner -C root
wget http://repo.kastnerove.cz/modules-2.6.38.3-ac100-marvin24+.tar.bz2
tar xvf modules-2.6.38.3-ac100-marvin24+.tar.bz2 --numeric-owner -C root
wget http://repo.kastnerove.cz/firmware-2.6.38.3-ac100-marvin24+.tar.bz2
tar xvf firmware.tar.bz2 --numeric-owner -C root
#modify /etc/fstab
vim root/etc/fstab
umount root

# now to get image of boot partition
wget http://repo.kastnerove.cz/aboot-2.6.38.3-ac100-marvin24+.img

# if necessary modify it using abootimg (image is used for sdX1 = root and sdX2 = swap) and then..
nvflash -r --download 6 aboot-2.6.38.3-ac100-marvin24+.img

remove sdcard from work pc|laptop and enter to your ac100

boot ac100

login as root (password is 'fedroaarm')

append additional repos to koji-latest repo (koji repo has only 2 groups for building)

cat << EOF >> /etc/yum.repos.d/fedora-koji-f14.repo
[branched-20110831]
name=branched-20110831
baseurl=http://arm.koji.fedoraproject.org/mash/branched-20110831/14/arm/os/
enabled=1
gpgcheck=0

[tegra-rpms]
name=tegra-rpms
baseurl=http://repo.kastnerove.cz/rpm/arm/f$releasever/RPMS/
enabled=1
gpgcheck=0
metadata_expire=1s
EOF

and install drivers and some windows

yum groupinstall XFCE X\ Window\ System --skip-broken && yum install xorg-x11-drv-tegra
# switch to runlevel 5 
init 3 && init 5

Tequila note:

You may want to upgrade linux-firmware to F15 one as it contains updated wifi rt2870.bin firmware for AC-100, just issue in a root shell on your AC-100:

rpm -Uvh http://mirrors.kernel.org/fedora/updates/15/i386/linux-firmware-20110601-1.fc15.noarch.rpm

Fedora ARM Kernels