Ubuntu Server 6.06.1 does not boot on VIA EPIA ME6000

[Reto Stalder]

Hi

I've successfully finished the installation of Ubuntu Server 6.06.1.  
But the installed system does not start up. It resets after having  
printed the following messages on the screen:

    Booting 'Ubuntu, kernel 2.6.15-26-server'

    root (hd0,0)
      Filesystem type is ext2fs, partition type 0x83
    kernel  /boot/vmlinuz-2.6.15-26-server root=/dev/hda1 ro quiet  
splash
      [Linux-bzImage, setup=0x1c00, size=0x16c98f]
    initrd  /boot/initrd.img-2.6.15-26-server
      [Linux-initrd @ 0x1d93e000, 0x6a1333]
    savedefault
    boot

I've tried to consult the logs by booting the rescue system from CD.  
But /var/log/syslog is empty. The hardware platform is a VIA EPIA- 
ME6000 with a 600MHz processor. /var/log/installer/hardware-summary  
shows:

    processor: 0
    vendor_id  : CentaurHauls
    cpu family: 6
    model: 7
    model name: VIA Samuel 2
    stepping: 3
    cpu MHz: 600

Can anybody give me a hint how I could try to fix the problem?

Thanks in advance,
Reto