Jerry Geis wrote:
> Hi
> 
> I just grabbed an 8gig thumb drive, took disk 1 centos 4 i386,
> copied the isolinux directory files to my thumbdrive, then ran syslinux 
> -sf /dev/sdc1
> on the device plugged it into my laptop  and it does not boot.
> 
> Is there a step(s) I am missing to get a bootable thumbdrive with centos?

I think you also need to add a boot sector to the drive. On my 64-bit system:

	#dd if=/usr/lib64/syslinux/mbr.bin of=/dev/sdc