[CentOS] tftp server different from dhcp one

In https://docs.centos.org/en-US/centos/install-guide/pxe-server/#chap-installation-server-setup
they show the following example for setting dhcpd.conf to point to the
tftp server for pxe booting:

option space pxelinux;
option pxelinux.magic code 208 = string;
option pxelinux.configfile code 209 = text;
option pxelinux.pathprefix code 210 = text;
option pxelinux.reboottime code 211 = unsigned integer 32;
option architecture-type code 93 = unsigned integer 16;

subnet 10.0.0.0 netmask 255.255.255.0 {
option routers 10.0.0.254;
range 10.0.0.2 10.0.0.253;

class "pxeclients" {
 match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
 next-server 10.0.0.1;

 if option architecture-type = 00:07 {
   filename "shim.efi";
 } else {
   filename "pxelinux/pxelinux.0";
}
  }
}

If the server is a different one, how would the option
architecture-type{} change to reflect the file location?