> ftp://ftp.netbsd.org/pub/NetBSD-daily/HEAD/200708190002Z/i386/installation/cdrom/boot.iso
> 
> I just realized, that the kernel used therein looks very old or is
> somehow garbarged (although it is prints the latest kernel version
> 4.99.29). It does not even recognize the AMD PCI vendor and product ids.
> But the ids are in the kernel for a long time.
> May it be, that sysinst in the ramdisk is also very old or garbaged?

install kernels do not have the database of PCI ids to save space.