Someone

ignore client-updates;
ddns-update-style none;
allow booting;
allow bootp;

subnet 10.0.0.0 netmask 255.255.255.0 {

# --- default gateway
        option routers                  10.0.0.1;
        option subnet-mask              255.255.255.0;

        option nis-domain               "yourdomain.org";
        option domain-name              "yourdomain.org";
        option domain-name-servers      10.0.0.1;

        option time-offset              -18000; # Eastern Standard Time
        option ntp-servers              10.0.0.1;
        option netbios-name-servers     10.0.0.1;
        option log-servers              10.0.0.1;
# --- Selects point-to-point node (default is hybrid). Don't change this unless
# -- you understand Netbios very well
#       option netbios-node-type 2;

        range dynamic-bootp 10.0.0.100 10.0.0.254;
        default-lease-time 21600;
        max-lease-time 43200;

group {

use-host-decl-names on;
#option log-servers 192.168.1.140;
next-server 10.0.0.1;

        host hiper {
                hardware ethernet 00:40:63:db:90:93;
                fixed-address 10.0.0.200;
                filename "hiper/pxelinux.0";
                }
       
      }
}